53
8/10/2019 Dynamic Positioning Systems RULES Ts607_2014-07 (1) http://slidepdf.com/reader/full/dynamic-positioning-systems-rules-ts6072014-07-1 1/53 RULES FOR CLASSIFICATION OF DET  NORSKE VERITAS AS The content of this service document is the subect of inte!!ectu"! #ro#ert$ ri%hts reserved b$ Det Nors&e Verit"s AS 'DNV() The user "cce#ts th"t it is #rohibited b$ "n$one e!se but DNV "nd*or its !icensees to offer "nd*or #erform c!"ssific"tion+ certific"tion "nd*or verific"tion services+ inc!udin% the issu"nce of certific"tes "nd*or dec!"r"tions of conformit$+ ,ho!!$ or #"rt!$+ on the b"sis of "nd*or  #ursu"nt to this document ,hether free of ch"r%e or ch"r%e"b!e+ ,ithout DNV-s #rior ,ritten consent) DNV is not res#onsib!e for the conse.uences "risin% from "n$ use of this document b$ others) The electronic pdf version of this document found through http://www.dnv.com is the officially binding version Ships /ART 0 C1A/TER 2  NE34UILDIN5S S/ECIAL E6UI/7ENT AND S8STE7S 9 ADDITIONAL CLASS D$n"mic /ositionin% S$stems :UL8 ;<=>

Dynamic Positioning Systems RULES Ts607_2014-07 (1)

Embed Size (px)

Citation preview

Page 1: Dynamic Positioning Systems RULES Ts607_2014-07 (1)

8/10/2019 Dynamic Positioning Systems RULES Ts607_2014-07 (1)

http://slidepdf.com/reader/full/dynamic-positioning-systems-rules-ts6072014-07-1 1/53

RULES FOR CLASSIFICATION OF

DET  NORSKE VERITAS AS

The content of this service document is the subect of inte!!ectu"! #ro#ert$ ri%hts reserved b$ Det Nors&e Verit"s AS 'DNV() The user "cce#ts th"t it is #rohibited b$ "n$one e!se but DNV "nd*or its !icensees to offer "nd*or #erform c!"ssific"tion+ certific"tion "nd*or verific"tion services+ inc!udin% the issu"nce of certific"tes "nd*or dec!"r"tions of conformit$+ ,ho!!$ or #"rt!$+ on the b"sis of "nd*or  #ursu"nt to this document ,hether free of ch"r%e or ch"r%e"b!e+ ,ithout DNV-s #rior ,ritten consent) DNV is not res#onsib!e for theconse.uences "risin% from "n$ use of this document b$ others)

The electronic pdf version of this document found through http://www.dnv.com is the officially binding version

Ships

/ART 0 C1A/TER 2

 NE34UILDIN5S

S/ECIAL E6UI/7ENT AND S8STE7S 9 ADDITIONAL CLASS

D$n"mic /ositionin% S$stems:UL8 ;<=>

Page 2: Dynamic Positioning Systems RULES Ts607_2014-07 (1)

8/10/2019 Dynamic Positioning Systems RULES Ts607_2014-07 (1)

http://slidepdf.com/reader/full/dynamic-positioning-systems-rules-ts6072014-07-1 2/53

FOREWORD

DNV is " %!ob"! #rovider of &no,!ed%e for m"n"%in% ris&) Tod"$+ s"fe "nd res#onsib!e business conduct is both " !icenseto o#er"te "nd " com#etitive "dv"nt"%e) Our core com#etence is to identif$+ "ssess+ "nd "dvise on ris& m"n"%ement) Fromour !e"din% #osition in certific"tion+ c!"ssific"tion+ verific"tion+ "nd tr"inin%+ ,e deve!o# "nd "##!$ st"nd"rds "nd best

 #r"ctices) This he!#s our customers s"fe!$ "nd res#onsib!$ im#rove their business #erform"nce) DNV is "n inde#endentor%"nis"tion ,ith dedic"ted ris& #rofession"!s in more th"n =<< countries+ ,ith the #ur#ose of s"fe%u"rdin% !ife+ #ro#ert$"nd the environment)

The Ru!es !"$ do,n technic"! "nd #rocedur"! re.uirements re!"ted to obt"inin% "nd ret"inin% " C!"ss Certific"te) It is used

"s " contr"ctu"! document "nd inc!udes both re.uirements "nd "cce#t"nce criteri")

? Det Nors&e Verit"s AS :u!$ ;<=>

An$ comments m"$ be sent b$ e@m"i! to [email protected]

If any person suffers loss or damage which is proved to have been caused by any negligent act or omission of Det Norske Veritas, then Det Norske Veritas shall pay compensation tosuch person for his proved direct loss or damage. However, the compensation shall not exceed an amount eual to ten times the fee charged for the service in uestion, provided thatthe maximum compensation shall never exceed !"D # million.In this provision $Det Norske Veritas% shall mean the &oundation Det Norske Veritas as well as all its subsidiaries, directors, officers, employees, agents and any other acting on behalf of Det Norske Veritas.

Page 3: Dynamic Positioning Systems RULES Ts607_2014-07 (1)

8/10/2019 Dynamic Positioning Systems RULES Ts607_2014-07 (1)

http://slidepdf.com/reader/full/dynamic-positioning-systems-rules-ts6072014-07-1 3/53

  'ules for "hips, (uly #)*+

t.- h./ H0N12" 3 !''2N4 3 age 5

DET NORSKE VERITAS AS

CHANGES – CURRENT

General

This document su#ersedes the :u!$ ;<= edition)

TeBt "ffected b$ the m"in ch"n%es in this edition is hi%h!i%hted in red co!our) 1o,ever+ if the ch"n%es invo!ve

Det Nors&e Verit"s AS+ com#"n$ re%istr"tion number > 2> =+ h"s on ;2th November ;<= ch"n%ed itsn"me to DNV 5L AS) For further inform"tion+ see ,,,)dnv%!)com) An$ reference in this document toDet Nors&e Verit"s ASG or DNVG sh"!! therefore "!so be " reference to DNV 5L ASG)

" ,ho!e ch"#ter+ section or sub@section+ norm"!!$ on!$ the tit!e ,i!! be in red co!our)

Main changes July !"#$ en%ering in%& '&rce " January !"(

) General

 H Environment"! re%u!"rit$ numbers 'ern( h"s been denoted ern* to ref!ect th"t the verific"tion h"s been #erformed "%"inst the more s#ecific "cce#t"nce criteri" introduced in A##)4)

) Sec*" General re+uire,en%s

 H A<< "nd A2<< h"ve been "mended) A 5uid"nce note h"s been "dded) H 4=<; "dded !ist item re%"rdin% U/S) H T"b!e D= Document"tion re.uirementsG h"s been "mended) H D;<= A 5uid"nce note h"s been "dded)

) Sec* General arrange,en%

 H 42<= 5uid"nce note h"s been "mended)

) Sec*- C&n%r&l sys%e,s

 H D=<; h"s been "mended)

) Sec*# Thrus%er sys%e,s

 H A;<= A 5uid"nce note h"s been "dded)

) Sec*. En/ir&n,en%al regulari%y nu,0ers 1%his sec%i&n applies %& %he D2N3OS4 series5

 H A=<= A 5uid"nce note h"s been "dded)

) App*6 Calcula%i&n &' en/ir&n,en%al regulari%y nu,0ers 4 ern* 1e7plana%&ry e7a,ple5

 H A=<= A 5uid"nce note h"s been "dded)

In "ddition to the "bove st"ted m"in ch"n%es+ editori"! corrections m"$ h"ve been m"de)

E8i%&rial c&rrec%i&ns

Page 4: Dynamic Positioning Systems RULES Ts607_2014-07 (1)

8/10/2019 Dynamic Positioning Systems RULES Ts607_2014-07 (1)

http://slidepdf.com/reader/full/dynamic-positioning-systems-rules-ts6072014-07-1 4/53

  'ules for "hips, (uly #)*+

  t.- h./ ontents 3 age +

DET NORSKE VERITAS AS

CONTENTS

C1AN5ES 9 CURRENT )))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))

Sec* " General re+uire,en%s ************************************************************************************************************************ .

A* 9n%r&8uc%i&n*******************************************************************************************************************************************************************.A =<< 4"c&%round)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))2A ;<< Sco#e))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) 2A << Obectives )))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))A ><< A##!ic"tion "nd c!"ss not"tions ))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))A << C!"ss entries from other c!"ssific"tion societies to the DNV DYNPOS- series "nd u#%r"des to "nd bet,een

DNV DYNPOS@series "nd D/S@series not"tions) ))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) A 0<< C!"ss entries from other c!"ssific"tion societies to the DNV DPS- series )))))))))))))))))))))))))))))))))))))))))))))))))))))))))))A 2<< Environment"! re%u!"rit$ number+ ernJ)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))

6* De'ini%i&ns **********************************************************************************************************************************************************************:4 =<< 5ener"!))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))

C* Cer%i'ica%i&n*****************************************************************************************************************************************************************"C =<< 5ener"!)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) =;

D* D&cu,en%a%i&n ************************************************************************************************************************************************************"D =<< 5ener"!)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) =;D ;<< Environment"! re%u!"rit$ number ernJ c"!cu!"tion for the DYNPOS- series ))))))))))))))))))))))))))))))))))))))))))))))))))=0D << F"i!ure mode "nd effect "n"!$sis 'F7EA())))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))=0D ><< O#er"tion m"nu"!s for contro! s$stems)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))=2

E* Sur/ey an8 %es% up&n c&,ple%i&n*******************************************************************************************************************************";E =<< 5ener"!)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) =E ;<< 7e"surin% s$stem )))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))=E << Thrusters )))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))=E ><< U/S #o,er su##!$ )))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) =E << Inde#endent o$stic& contro! s$stem))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) =E 0<< Com#!ete D/ s$stem test ))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))=E 2<< Redund"nc$ "nd f"i!ure res#onse tests for DYNPOS-AUTR+ DYNPOS-AUTRO+ DPS 2 "nd DPS 3 )))))))) =

Sec* General arrange,en%*********************************************************************************************************************** !

A* General*************************************************************************************************************************************************************************!A =<< 5ener"!)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) ;<

6* Re8un8ancy an8 'ailure ,&8es ********************************************************************************************************************************* !4 =<< 5ener"!)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) ;<4 ;<< Redund"nc$ ))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))));<4 << F"i!ure modes for not"tion DYNPOS-AUTR)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) ;=4 ><< F"i!ure modes for not"tion DPS 2 ))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) ;;4 << F"i!ure modes for not"tion DYNPOS-AUTRO "nd DPS 3 )))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))));;4 0<< Inde#endence ))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))));;4 2<< Se#"r"tion re.uirements for DYNPOS-AUTRO "nd DPS 3 )))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))));;

C* Sys%e, arrange,en% ***************************************************************************************************************************************************-

C =<< 5ener"!)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) ;C ;<< D/ contro! centre )))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) ;C << Arr"n%ement of #ositionin% contro! s$stems ))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))));0C ><< Arr"n%ement "nd !"$out of contro! #"ne!s)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) ;2C << Arr"n%ement "nd !"$out of d"t" communic"tion !in&s)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))));C 0<< Arr"n%ement "nd !"$out of emer%enc$ sto# s$stems for DYNPOS-AUTR+ DPS-2, DYNPOS-AUTRO

"nd DPS 3 ))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))));

D* 9n%ernal c&,,unica%i&n *********************************************************************************************************************************************;D =<< 5ener"!)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) ;

Sec* - C&n%r&l sys%e,s ******************************************************************************************************************************* :

A* General re+uire,en%s *************************************************************************************************************************************************:A =<< 5ener"!)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) ;

6* 9n8epen8en% <&ys%ic= c&n%r&l sys%e, ************************************************************************************************************************ :4 =<< For Not"tions DYNPOS-AUT+ DYNPOS-AUTR+ DYNPOS-AUTRO+ DPS 1+ DPS 2 "nd DPS 3)))))))))));

C* D3 c&n%r&l sys%e,********************************************************************************************************************************************************:C =<< 5ener"!****************************************************************************************************************************************************************:

Page 5: Dynamic Positioning Systems RULES Ts607_2014-07 (1)

8/10/2019 Dynamic Positioning Systems RULES Ts607_2014-07 (1)

http://slidepdf.com/reader/full/dynamic-positioning-systems-rules-ts6072014-07-1 5/53

  'ules for "hips, (uly #)*+

  t.- h./ ontents 3 age 6

DET NORSKE VERITAS AS

C ;<< Addition"! for DYNPOS-AUTR+ DYNPOS-AUTRO+ DPS 2 "nd DPS 3 ))))))))))))))))))))))))))))))))))))))))))))))))))))<C << Addition"! for DYNPOS-AUTRO "nd DPS 3 )))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))<

D* Thrus%er c&n%r&l ,&8e selec%i&n ******************************************************************************************************************************** -"D =<< 5ener"!****************************************************************************************************************************************************************-"

E* 3&si%i&ning re'erence sys%e,s ************************************************************************************************************************************ -"E =<< 5ener"!)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) =

E ;<< /osition reference s$stem user interf"ce for the DYNPOS- series))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))F* Sens&rs**************************************************************************************************************************************************************************--F =<< 5ener"!))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))

G* Display uni%s ****************************************************************************************************************************************************************--5 =<< 5ener"!))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))

H* M&ni%&ring *******************************************************************************************************************************************************************-#1 =<< 5ener"!)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) >1 ;<< Conse.uence "n"!$sis for DYNPOS-AUTR+ DYNPOS-AUTRO+ DPS 2 "nd DPS 3 not"tions ))))))))))))))))))>

Sec* # Thrus%er sys%e,s ****************************************************************************************************************************** -(

A* General*************************************************************************************************************************************************************************-(A =<< Ru!e "##!ic"tion ))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))

A ;<< Thruster confi%ur"tion for the DYNPOS- series ))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))A << Thruster confi%ur"tion for the DPS- series ))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) 0A ><< Thruster contro!)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))0A << Indic"tion ))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))2

Sec* ( 3&>er sys%e,s*********************************************************************************************************************************** -;

A* General*************************************************************************************************************************************************************************-;A =<< 5ener"!))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))

6* Nu,0er an8 capaci%y &' genera%&rs ************************************************************************************************************************** -;4 =<< 5ener"!****************************************************************************************************************************************************************-;

C* 3&>er ,anage,en% ****************************************************************************************************************************************************-;C =<< 5ener"!****************************************************************************************************************************************************************-;

D* Technical sys%e, c&n'igura%i&ns 0ase8 &n cl&se8 0us4%ie1s5************************************************************************************-:D =<< 5ener"!))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))

E* Main an8 8is%ri0u%i&n s>i%ch0&ar8s arrange,en%************************************************************************************************** #!E =<< 5ener"!****************************************************************************************************************************************************************#!E ;<< Addition"! for not"tion DYNPOS-AUTR+ DYNPOS-AUTRO+ DPS 2 "nd DPS 3 ))))))))))))))))))))))))))))))))))))))><

F* C&n%r&l sys%e, p&>er supply1applies %& DYNPOS-AUT$ DYNPOS-AUTR, DYNPOS-AUTRO$ DPS 1, DPS 2 an8 DPS 35********************** #"

F =<< 5ener"!)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) >=

Sec* ? Au7iliary sys%e,s****************************************************************************************************************************** #

A* F&r DYNPOS-AUTR$ DYNPOS-AUTRO an8 DPS 3******************************************************************************************** #A =<< 5ener"!)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) >;

A ;<< S#ecific re.uirements for fue! oi! )))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))>;A << S#ecific re.uirements for fresh ,"ter coo!in%))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))>;A ><< S#ecific re.uirements for #neum"tic s$stems ))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))>;A << S#ecific re.uirements for fire d"m#ers "nd .uic& c!osin% v"!ves )))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))>;

6* Au7iliary sys%e,s '&r DPS 2**************************************************************************************************************************************#4 =<< 5ener"!)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) >;

Sec* . En/ir&n,en%al regulari%y nu,0ers1%his sec%i&n applies %& %he DYNPOS- series5 ********************************************************************************* ##

A* C&ncep% 8escrip%i&n ****************************************************************************************************************************************************##A =<< 5ener"!)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) >>

App* A Technical sys%e, c&n'igura%i&ns 0ase8 &n cl&se8 0us4%ies '&r D2N3OS4AUTRO an8 D3S - * #?

A* Special c&nsi8era%i&ns '&r D2N3OS4AUTRO an8 D3S - 0ase8 &n cl&se8 0us4%ies *********************************************#?A =<< 5ener"!)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) >0

App* 6 Calcula%i&n &' en/ir&n,en%al regulari%y nu,0ers 4 ern* 1e7plana%&ry e7a,ple5 ********************* #.

Page 6: Dynamic Positioning Systems RULES Ts607_2014-07 (1)

8/10/2019 Dynamic Positioning Systems RULES Ts607_2014-07 (1)

http://slidepdf.com/reader/full/dynamic-positioning-systems-rules-ts6072014-07-1 6/53

  'ules for "hips, (uly #)*+

  t.- h./ ontents 3 age -

DET NORSKE VERITAS AS

A* 9n%r&8uc%i&n*****************************************************************************************************************************************************************#.A =<< 5ener"!)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) >2

6* En/ir&n,en% ****************************************************************************************************************************************************************#.4 =<< Environment)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) >2

C* En/ir&n,en%al l&a8s ***************************************************************************************************************************************************#;C =<< 5ener"!)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) >

C ;<< 3ind !o"ds ))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))>C << Current ))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))>C ><< 3"ves))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))>

D* Thrus%ers********************************************************************************************************************************************************************** #:D =<< 5ener"!)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) >

E* Ru88ers ************************************************************************************************************************************************************************(!E =<< 5ener"!)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) <

F* Thrus% all&ca%i&n *********************************************************************************************************************************************************("F =<< 5ener"!)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) =

G* Ta0les '&r speci'ica%i&n &' hull an8 %hrus%er 8a%a **************************************************************************************************** ("5 =<< 5ener"!)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) =

C1AN5ES 9 1ISTORIC ))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) ;

Page 7: Dynamic Positioning Systems RULES Ts607_2014-07 (1)

8/10/2019 Dynamic Positioning Systems RULES Ts607_2014-07 (1)

http://slidepdf.com/reader/full/dynamic-positioning-systems-rules-ts6072014-07-1 7/53

  'ules for "hips, (uly #)*+

  t.- h./ "ec.* 1eneral reuirements 3 age /

DET NORSKE VERITAS AS

SECT9ON " GENERA@ REU9REMENTS

A* 9n%r&8uc%i&n

A "!! 6ac=gr&un8

"!" The ru!es in this ch"#ter "##!$ to s$stems for d$n"mic #ositionin% of shi#s "nd mobi!e offshore units+termed here"fter "s+ vesse!s)

"! The ch"#ter det"i!s the "bove in t,o different not"tion series+ bein% the DPS- series "nd the DYNPOS-series of c!"ss not"tions "s out!ined in t"b!e A=) 4oth series "re ch"r"cterised "nd structured in !ine ,ith theI7O 7SC*Circ)0> 5uide!ines for vesse!s ,ith d$n"mic #ositionin% s$stemsG)

Gui8ance n&%eB

I7O 7SC*Circ)0> 5uide!ines for vesse!s ,ith d$n"mic #ositionin% s$stemsG+ d"ted 0 :une =>+ h"s definede.ui#ment c!"sses ,ith the fo!!o,in% corre!"tion to these ru!es

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

"!- A d$n"mic #ositionin% s$stem ,ith redund"nc$ "nd hi%her de%ree of f!eBibi!it$ b"sed on uti!i"tion of st"nd@b$ units "nd*or ch"n%e@over mech"nisms is described in /t)0 Ch);0)

A !! Sc&pe

!" The ru!es in this ch"#ter set technic"! re.uirements to desi%n+ document"tion+ certific"tion "nd testin% of s$stems for d$n"mic #ositionin% of shi#s "nd mobi!e offshore units)

! These ru!es do not inc!ude re.uirements or recommend"tions in re%"rd to the vesse!s o#er"tion or other ch"r"cteristics)

Gui8ance n&%eB

Re.uirements+ "ddition"! to these ru!es m"$ be im#osed b$ the n"tion"! "uthorit$ ,ith ,hom the vesse! is re%istered"nd*or b$ the "dministr"tion ,ithin ,hose territori"! urisdiction it is intended to o#er"te) 3here n"tion"! !e%is!"tivere.uirements eBist+ com#!i"nce ,ith such re%u!"tions sh"!! "!so be necess"r$)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

!- The re.uirements in these ru!es "re "ddition"! to the ru!es for m"in c!"ss)

Gui8ance n&%eB

In #"rticu!"r see the re!ev"nt sections of

/t)> Ch)= 7"chiner$ S$stems+ 5ener"!/t)> Ch); Rot"tin% 7"chiner$+ 5ener"!/t)> Ch) Rot"tin% 7"chiner$+ Drivers/t)> Ch)> Rot"tin% 7"chiner$+ /o,er Tr"nsmissions/t)> Ch) Rot"tin% 7"chiner$+ Driven Units

/t)> Ch) E!ectric"! Inst"!!"tions/t)> Ch) Instrument"tion "nd Autom"tion/t)> Ch)=> Steerin% 5e"r)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

 IMO equipment class !" class notations #dditional information

 Not "##!ic"b!e DPS 0

DYNPOS-AUTS Addition"! re.uirements to "chieve hi%her "v"i!"bi!it$ "ndrobustness "s com#"red to DPS 0 ,i!! "##!$)

I7O e.ui#ment c!"ss = DPS 1

DYNPOS-AUT Addition"! re.uirements to "chieve hi%her "v"i!"bi!it$ "ndrobustness "s com#"red to DPS 1 ,i!! "##!$)

I7O e.ui#ment c!"ss ; DPS 2

DYNPOS-AUTR Addition"! re.uirements to "chieve hi%her "v"i!"bi!it$ "ndrobustness "s com#"red to DPS 2 ,i!! "##!$)

I7O e.ui#ment c!"ss DPS 3

DYNPOS-AUTRO Addition"! re.uirements to "chieve hi%her "v"i!"bi!it$ "ndrobustness "s com#"red to DPS 3 ,i!! "##!$)

The DYNPOS@ series com#rise the DYNPOS-AUTS+ DYNPOS-AUT+ DYNPOS-AUTR "nd DYNPOS-AUTRO not"tions)The DPS- series com#rise the DPS 0+ DPS 1+ DPS 2 "nd DPS 3 not"tions)

Page 8: Dynamic Positioning Systems RULES Ts607_2014-07 (1)

8/10/2019 Dynamic Positioning Systems RULES Ts607_2014-07 (1)

http://slidepdf.com/reader/full/dynamic-positioning-systems-rules-ts6072014-07-1 8/53

  'ules for "hips, (uly #)*+

  t.- h./ "ec.* 1eneral reuirements 3 age 7

DET NORSKE VERITAS AS

A -!! O0<ec%i/es

-!" The re.uirements "re ch"r"cterised "nd structured in !ine ,ith the I7O 7SC*Circ)0> 5uide!ines for vesse!s ,ith d$n"mic #ositionin% s$stemsG)

-! The t,o not"tion series differ in their s#ecific re.uirements "nd in %ener"! the DYNPOS-  seriesnot"tions "re re.uirin% " hi%her de%ree of "v"i!"bi!it$ "nd robustness "s com#"red to the DPS- series not"tions)The det"i!ed differences "re out!ined in the s#ecific re.uirements %iven in this ch"#ter)

A #!! Applica%i&n an8 class n&%a%i&ns

#!" Vesse!s bui!t "nd tested in com#!i"nce ,ith the re.uirements in this ch"#ter "nd the re.uirements of theru!es for m"in c!"ss m"$ be "ssi%ned one of the c!"ss not"tions %iven in T"b!e A=)

#! A .u"!ifier (A) c"n ,hen re.uested b$ the vesse! o,ner be "ssi%ned to vesse!s ,ith not"tion DYNPOS-AUTR or DYNPOS-AUTRO or DPS 2 or DPS 3+ ,hich then sh"!! under%o "nnu"! surve$ "ccordin% to the"##!ic"b!e $e"r!$ com#!ete surve$ sco#e)

Gui8ance n&%eB

EB"m#!e of not"tions DYNPOS-AUTR(A) or  DPS 2(A))

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

A (!! Class en%ries 'r&, &%her classi'ica%i&n s&cie%ies %& %he DN DYNPOS- series an8 upgra8es %&an8 0e%>een DN DYNPOS4series an8 D3S4series n&%a%i&ns*

(!" C!"ss entr$ to the DYNPOS@ series ,i!! re.uire verific"tion to,"rds the re.uirements for the re!ev"nt

not"tion "s %iven in <; "nd <)

(! The verific"tion sh"!! be b"sed on document"tion revie,+ #erform"nce testin% "nd F7EA f"i!ure testin%"s described in E) Surve$ "nd Test u#on Com#!etion) The test sh"!! be #erformed "ccordin% to "##roved test

 #ro%r"ms)

(!- The fo!!o,in% document"tion is re.uired "s b"sis for the document"tion revie,

 H D$n"mic /ositionin% contro! s$stem inc!udin% U/S's(+ #osition reference s$stems "nd sensors H 4"c&@u# D$n"mic /ositionin% contro! s$stem inc!udin% U/S's(+ #osition reference s$stems "nd sensors 'for 

DYNPOS-AUTRO( H Document"tion on the inde#endent o$stic& s$stem ,ith se!ect"b!e he"din% contro! 'for DYNPOS-AUT+

DYNPOS-AUTR "nd DYNPOS-AUTRO( H Thruster+ #ro#e!!er "nd rudder confi%ur"tion H 7ode ch"n%e s$stems 'D$n"mic /ositionin%@ * :o$stic&@ * 7"nu"!@ contro!(

 H Shi# s$stems F7EA 'F"i!ure mode "nd effect "n"!$sis(+ "nd F7EA test #ro%r"m 'for DYNPOS-AUTR "ndDYNPOS-AUTRO(

 H Thruster emer%enc$ sto# s$stem "t the D$n"mic /ositionin% contro! centre H D$n"mic /ositionin% contro! centre !"$@out+ for DYNPOS-AUTRO  "!so for the b"c&@u# D$n"mic

/ositionin% contro! centre

Ta0le A" Class n&%a%i&ns

 !otation hierarchy escription

 Not"tions notre.uirin%redund"nc$

DPS 0 D$n"mic #ositionin% s$stem ,ithout redund"nc$)

DYNPOS- AUTS D$n"mic #ositionin% s$stem ,ithout redund"nc$) Addition"! re.uirements to"chieve hi%her "v"i!"bi!it$ "nd robustness "s com#"red to DPS 0 ,i!! "##!$)

DPS 1 D$n"mic #ositionin% s$stem ,ith "n inde#endent o$stic& s$stem b"c&@u# "nd " #osition reference b"c&@u#)

DYNPOS- AUT D$n"mic #ositionin% s$stem ,ith "n inde#endent o$stic& s$stem b"c&@u# "nd " #osition reference b"c&@u#) Addition"! re.uirements to "chieve hi%her"v"i!"bi!it$ "nd robustness "s com#"red to DPS 1 ,i!! "##!$)

 Not"tionsre.uirin%redund"nc$

DPS 2 D$n"mic #ositionin% s$stem ,ith redund"nc$ in technic"! desi%n "nd ,ith "ninde#endent o$stic& s$stem b"c&@u#)

DYNPOS- AUTR D$n"mic #ositionin% s$stem ,ith redund"nc$ in technic"! desi%n "nd ,ith "ninde#endent o$stic& s$stem b"c&@u#) Addition"! re.uirements to "chieve hi%her"v"i!"bi!it$ "nd robustness "s com#"red to DPS 2 ,i!! "##!$)

 Not"tionsre.uirin%redund"nc$"nd se#"r"tionof s$stems

DPS 3 D$n"mic #ositionin% s$stem ,ith redund"nc$ in technic"! desi%n "nd ,ith "ninde#endent o$stic& s$stem b"c&@u#) /!us " b"c&@u# d$n"mic #ositionin% contro!s$stem in "n b"c&@u# d$n"mic #ositionin% contro! centre+ desi%ned ,ith #h$sic"!se#"r"tion for com#onents th"t #rovide redund"nc$)

DYNPOS- AUTRO D$n"mic #ositionin% s$stem ,ith redund"nc$ in technic"! desi%n "nd ,ith "ninde#endent o$stic& s$stem b"c&@u#) /!us " b"c&@u# d$n"mic #ositionin% contro!s$stem in "n b"c&@u# d$n"mic #ositionin% contro! centre+ desi%ned ,ith #h$sic"!

se#"r"tion for com#onents th"t #rovide redund"nc$) Addition"! re.uirements to"chieve hi%her "v"i!"bi!it$ "nd robustness "s com#"red to DPS 3 ,i!! "##!$)

Page 9: Dynamic Positioning Systems RULES Ts607_2014-07 (1)

8/10/2019 Dynamic Positioning Systems RULES Ts607_2014-07 (1)

http://slidepdf.com/reader/full/dynamic-positioning-systems-rules-ts6072014-07-1 9/53

  'ules for "hips, (uly #)*+

  t.- h./ "ec.* 1eneral reuirements 3 age 8

DET NORSKE VERITAS AS

 H For DYNPOS-AUTRO C"b!e routin% !"$out dr",in%+ s$stem "rr"n%ement #!"n "nd fire "nd f!oodin%se#"r"tion dr",in%s)

 H Environment"! Re%u!"rit$ Number 'ernJ(+ c"!cu!"tion)

(!# Vesse!s to be "ssi%ned the .u"!ifier (A) sh"!! h"ve "n u#d"ted F7EA+ ,ith " corres#ondin% F7EA test #ro%r"m)

(!( An$ devi"tions from re.uirements re!ev"nt for the c!"ss entr$ found "s " resu!t from the document"tion

revie, "nd testin% re.uired in <; "nd < must be rectified before the vesse! c"n be "ssi%ned the re!ev"nt DNVDYNPOS not"tion)

A ?!! Class en%ries 'r&, &%her classi'ica%i&n s&cie%ies %& %he DN DPS- series

?!" In %ener"!+ the DPS-  series s$stem desi%n ,i!! be "cce#ted b"sed on " corres#ondin%+ v"!id "ndm"int"ined D$n"mic /ositionin% c!"ss not"tion+ from the !osin% societ$)

Gui8ance n&%eB

This im#!ies th"t c!"ss entr$ vesse!s m"$ h"ve desi%ns b"sed on some,h"t different re.uirements th"n those %iven inthese ru!es)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

?! Document"tion revie,+ surve$ or testin% ,i!! not be re.uired #rior to c!"ss "ssi%nment+ un!ess the #eriodic D$n"mic /ositionin% surve$ ,i!! be due or overdue 'b"sed on the d"te of the !"st surve$ or test fromthe !osin% societ$( ,hen the vesse! is t"&en into DNV c!"ss)

?!- Vesse!s to be "ssi%ned the .u"!ifier (A) sh"!! h"ve "n u#d"ted F7EA+ ,ith " corres#ondin% F7EA test #ro%r"m)

A .!! En/ir&n,en%al regulari%y nu,0er$ ern

.!" Vesse!s ,ith one of the DYNPOS- series c!"ss not"tions !isted in T"b!e A= ,i!! be %iven "n environment"!re%u!"rit$ number 'ernJ() It ,i!! be entered "s " not"tion in the Re%ister of vesse!s c!"ssed ,ith DNVG "s ern*(a,b, c, d) ,here a, b, c, d "re inte%er numbers ref!ectin% #rob"b!e re%u!"rit$ for &ee#in% #osition in " defined "re")See Sec)2 for det"i!s on the ern* conce#t)

Gui8ance n&%e "B

U#on s#eci"! re.uest environment"! re%u!"rit$ number (ern*) m"$ "!so be "##roved "nd entered "s " not"tion in theRe%ister of vesse!s c!"ssed ,ith DNVG "!so for vesse!s ,ith the DPS- series not"tions)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

Gui8ance n&%e B

Environment"! Re%u!"rit$ Numbers "##roved "ccordin% to this ru!e edition ,i!! be denoted ernJ to ref!ect th"t theverific"tion h"s been #erformed "%"inst the more s#ecific "cce#t"nce criteri" introduced in A##endiB 4 of this ru!es)These more s#ecific "cce#t"nce criteri" ,ere first introduced in the :u!$ ;<= edition)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

6* De'ini%i&ns

6 "!! General

"!" $onsequence analysis: A monitorin% function in the D/@contro! s$stem th"t issue "n "!"rm if the vesse!'in its current o#er"tin% mode( in the current ,e"ther conditions ,ou!d not be "b!e to &ee# the he"din% "nd

 #osition in the c"se th"t "n$ of the #redefined ,orst c"se f"i!ures shou!d occur)

Gui8ance n&%eB

For det"i!ed inform"tion "nd re.uirements to the conse.uence "n"!$sis function see Sec) 1;<<)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

"!  %&control system: A!! contro! s$stems "nd com#onents+ h"rd,"re "nd soft,"re necess"r$ to d$n"mic"!!$ #osition the vesse!) The D/@contro! s$stem consists of the fo!!o,in%

 H d$n"mic #ositionin% contro! com#uter's( H sensor s$stem H dis#!"$ s$stem

 H o#er"tor #"ne!s H #ositionin% reference s$stem H "ssoci"ted c"b!in% "nd c"b!e routin% H U/S's( "s re.uired b$ the re!ev"nt not"tion)

Page 10: Dynamic Positioning Systems RULES Ts607_2014-07 (1)

8/10/2019 Dynamic Positioning Systems RULES Ts607_2014-07 (1)

http://slidepdf.com/reader/full/dynamic-positioning-systems-rules-ts6072014-07-1 10/53

  'ules for "hips, (uly #)*+

  t.- h./ "ec.* 1eneral reuirements 3 age *)

DET NORSKE VERITAS AS

Gui8ance n&%eB

The D/@contro! s$stem ,i!! norm"!!$ consist of one or more com#uters) This is often referred to "s the D/ s$stem+ but is on!$ " #"rt of the D/ s$stem b$ ru!e termino!o%$)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

"!-  ynamic positioning system '% system(:  The com#!ete inst"!!"tion necess"r$ for d$n"mic"!!$ #ositionin% " vesse! com#rises of the fo!!o,in% s$stems

 H #o,er s$stem H thruster s$stem H D/@contro! s$stem H inde#endent o$stic& s$stem ',hen "##!ic"b!e()

"!#  ynamically positioned vessel '% vessel(: A vesse! ,hich "utom"tic"!!$ m"int"ins its #osition "ndhe"din% 'fiBed !oc"tion or #redetermined tr"c&( eBc!usive!$ b$ me"ns of thruster force)

Gui8ance n&%eB

For the DYNPOS-  series "n int"ct vesse! sh"!! be "b!e to &ee# #osition "nd he"din% ,ithout contribution fromtr"nsverse thrust %ener"ted b$ the combined use of #ro#e!!ers "nd rudders) For DYNPOS-AUTR "nd DYNPOS-AUTRO thruster force m"$ inc!ude #ro#u!sion "nd steerin% 'rudder( forces for b"c&@u# #ur#oses on!$ 'e)%) "fter !ossof one redund"nc$ %rou#(+ see Sec)> A;<<)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

"!(  )ailure: An occurrence in " com#onent or s$stem c"usin% one or both of the fo!!o,in% effects

 H !oss of com#onent or s$stem function H deterior"tion of function"! c"#"bi!it$ to such "n eBtent th"t the s"fet$ of the vesse!+ #ersonne!+ or 

environment is si%nific"nt!$ reduced)

Gui8ance n&%eB

For vesse!s th"t sh"!! com#!$ ,ith DYNPOS-AUTRO or DPS 3 re.uirements+ the definition of sin%!e f"i!ure h"s noeBce#tions+ "nd sh"!! inc!ude incidents of fire "nd f!oodin%+ "nd "!! technic"! bre"&@do,ns of s$stems "nd com#onents+inc!udin% "!! e!ectric"! "nd mech"nic"! #"rts) Loss of st"bi!it$ 'e)%) "s " resu!t of f!oodin%( is not " re!ev"nt f"i!uremode)

For vesse!s th"t sh"!! com#!$ ,ith DYNPOS-AUTR or DPS 2 re.uirements+ cert"in eBce#tions ,i!! be "!!o,ed inthe definition of sin%!e f"i!ure) F!oodin% "nd fire sh"!! not be considered be$ond m"in c!"ss re.uirements) F"i!ure of 

st"tic com#onents+ e)%) #i#es+ m"nu"! v"!ves+ c"b!es etc) m"$ not need to be considered if "de.u"te re!i"bi!it$ of "sin%!e com#onent c"n be documented+ "nd the #"rt is #rotected from mech"nic"! d"m"%e) S#ecific re.uirements ,i!!"##!$ "s %iven in the fo!!o,in% sections of this ru!e ch"#ter) Es#eci"!!$ for DYNPOS-AUTR f"i!ure of " ,ide r"n%eof st"tic com#onents ,i!! considered "s re!ev"nt sin%!e f"i!ures) See "!so Sec); 4)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

"!?  *oystic+: A device for re"di!$ settin% of vectori"! thrust out#ut inc!udin% turnin% moment)

"!.  ,idden failure: A f"i!ure th"t is not immedi"te!$ evident to o#er"tions "nd m"inten"nce #ersonne!)

Gui8ance n&%eB

E.ui#ment th"t f"i!s to #erform "n on dem"ndG function f"!!s into this c"te%or$) It is necess"r$ th"t such f"i!ures "redetected b$ monitorin% "nd*or reve"!ed throu%h #eriodic"! testin%*verific"tion in order to ensure their "v"i!"bi!it$)/rotective functions e)%) in #o,er #!"nts "nd s,itchbo"rds "re t$#ic"! eB"m#!es of on dem"nd functions ,here

 #ossib!e hidden f"i!ures shou!d be considered)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

"!;  Minimum time requirement: The minimum re.uired time dur"tion for ,hich the residu"! rem"inin%c"#"cit$ "s defined b$ the ,orst c"se f"i!ure desi%n intent sh"!! be "v"i!"b!e)

Gui8ance n&%eB

The time re.uirement ,i!! norm"!!$ be %overned b$ the m"Bimum time necess"r$ to s"fe!$ termin"te the on@%oin%o#er"tions "fter the ,orst c"se sin%!e f"i!ure+ %iven the residu"! rem"inin% c"#"cit$) A!! re!ev"nt o#er"tion"! scen"rios,hich the vesse! #erforms "nd*or #"rtici#"tes in must be considered ,hen decidin% the time re.uirements) This timere.uirement must be fu!fi!!ed b$ the desi%n+ "nd the ,"$ the vesse! is technic"!!$ confi%ured 'technic"! s$stemconfi%ur"tion( "nd o#er"ted)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

"!: Operational mode: The m"nner of contro! under ,hich the D/@s$stem m"$ be o#er"ted+ e)%)

 H "utom"tic mode '"utom"tic #osition "nd he"din% contro!( H o$stic& mode 'm"nu"! #osition contro! ,ith se!ect"b!e "utom"tic or m"nu"! he"din% contro!( H m"nu"! mode 'individu"! contro! of thrust+ "imuth+ st"rt*sto# of e"ch thruster( H "uto tr"c& mode 'considered "s " v"ri"nt of "utom"tic #osition contro!+ ,ith #ro%r"mmed movement of 

Page 11: Dynamic Positioning Systems RULES Ts607_2014-07 (1)

8/10/2019 Dynamic Positioning Systems RULES Ts607_2014-07 (1)

http://slidepdf.com/reader/full/dynamic-positioning-systems-rules-ts6072014-07-1 11/53

  'ules for "hips, (uly #)*+

  t.- h./ "ec.* 1eneral reuirements 3 age **

DET NORSKE VERITAS AS

reference #oint()

""!  %osition/heading +eeping: 7"int"inin% " desired #osition*he"din% ,ithin the norm"! eBcursions of thecontro! s$stem "nd the environment"! conditions)

"""  %ositioning/heading reference system: A!! h"rd,"re+ soft,"re "nd sensors th"t su##!$ inform"tion "ndor corrections necess"r$ to %ive #osition*he"din% reference+ inc!udin% #o,er su##!$)

""  %ower system: A!! com#onents "nd s$stems necess"r$ to su##!$ the D/@s$stem ,ith #o,er) The #o,er s$stem inc!udes

 H #rime movers ,ith necess"r$ "uBi!i"r$ s$stems inc!udin% #i#in% H %ener"tors H s,itchbo"rds H uninterru#tib!e #o,er su##!ies 'U/S( "nd b"tteries H distribution s$stem inc!udin% c"b!in% "nd c"b!e routin% H for DYNPOS-AUTR "nd DYNPOS-AUTRO #o,er m"n"%ement s$stem '/7S()

""-  -edundancy:  The "bi!it$ of " com#onent or s$stem to m"int"in its function ,hen one f"i!ure h"soccurred) Redund"nc$ c"n be "chieved+ for inst"nce+ b$ inst"!!"tion of mu!ti#!e com#onents+ s$stems or "!tern"tive me"ns of #erformin% " function)

""#  -edundancy design intent:  The redund"nc$ desi%n intention refers to redund"nt com#onent %rou#s

,hich constitutes the over"!! s$stem desi%n for " %iven s$stem o#er"tion"! mode "nd technic"! s$stemconfi%ur"tion)

""(  -edundancy group A!! com#onents "nd s$stems th"t is subect to " sin%!e f"i!ure "s s#ecified in Sec);4 for the s#ecific not"tions

Gui8ance n&%eB

The redund"nc$ %rou#s ,i!! emer%e "s " conse.uence of the ,orst c"se sin%!e f"i!ure ,ithin e"ch %rou#) The Ru!esdoes not %ive re.uirements to the number of 'be$ond ;( or r"tio bet,een the defined %rou#s) The %rou#s "re to beidentified in the F7EA+ verified b$ testin% "nd incor#or"ted in the conse.uence "n"!$sis)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

""?  -eliability: The "bi!it$ of " com#onent or s$stem to #erform its re.uired function ,ithout f"i!ure durin%" s#ecified time interv"!)

"". Technical system configuration: The technic"! s$stem confi%ur"tion inc!udes "!! technic"! modes '"ndcombin"tions of the modes( of "!! s$stems th"t m"$ inf!uence the redund"nc$ "nd f"i!ure to!er"nce of thevesse!) This ,i!! t$#ic"!!$ inc!ude but is not !imited to e)%)+ contro! s$stem modes+ #o,er #!"nt "nd thruster confi%ur"tion+ s,itch bo"rd 'AC "nd DC( confi%ur"tion "nd distribution setu#+ "uBi!i"r$ s$stems setu#+ v"!ves+

 bre"&ers+ #um#s+ ()

Gui8ance n&%eB

The technic"! s$stem confi%ur"tion's( "re #rere.uisites for est"b!ishin% the b"sis for "n F7EA+ "nd must be s#ecifiedfor "!! re!ev"nt confi%ur"tions One eB"m#!e cou!d be th"t " vesse! h"s different technic"! s$stem confi%ur"tions for different vesse! o#er"tion"! modes "nd "nother eB"m#!e cou!d be in c"se " vesse! ,ith DYNPOS-AUTRO not"tionis intended to "!so to h"ve " mode b"sed on DYNPOS-AUTR  "cce#t"nce criteri"+ both modes sh"!! be st"ted+s#ecified+ "n"!$sed+ "nd tested in the F7EA)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

""; Thruster system: A!! com#onents "nd s$stems necess"r$ to su##!$ the D/ s$stem ,ith thrust force "nddirection) The thruster s$stem inc!udes

 H thruster ,ith drive units "nd necess"r$ "uBi!i"r$ s$stems inc!udin% #i#in% H thruster contro! H "ssoci"ted c"b!in% "nd c"b!e routin% H m"in #ro#e!!ers "nd rudders if these "re under the contro! of the D/ s$stem)

"": orst case failure: F"i!ure modes ,hich+ "fter " f"i!ure+ resu!ts in the !"r%est reduction of the #osition"nd*or he"din% &ee#in% c"#"cit$) This me"ns !oss of the most si%nific"nt redund"nc$ %rou#+ %iven the

 #rev"i!in% o#er"tion) F"i!ure modes re!"ted to the c!"ss not"tions "s fo!!o,s

 H for DYNPOS-AUTS+ DYNPOS-AUT, DPS 0 "nd DPS 1+ !oss of #osition m"$ occur in the event of "sin%!e f"u!t

 H for DYNPOS-AUTR+ !oss of #osition is not to occur in the event of " sin%!e f"i!ure "s s#ecified in Sec);4<<

 H for DPS 2+ !oss of #osition is not to occur in the event of " sin%!e f"i!ure "s s#ecified in Sec); 4><< H for DYNPOS-AUTRO "nd DPS 3+ !oss of #osition is not to occur in the event of " sin%!e f"i!ure "s

s#ecified in Sec); 4<<)

Page 12: Dynamic Positioning Systems RULES Ts607_2014-07 (1)

8/10/2019 Dynamic Positioning Systems RULES Ts607_2014-07 (1)

http://slidepdf.com/reader/full/dynamic-positioning-systems-rules-ts6072014-07-1 12/53

  'ules for "hips, (uly #)*+

  t.- h./ "ec.* 1eneral reuirements 3 age *#

DET NORSKE VERITAS AS

"! orst case failure design intent:  The ,orst c"se f"i!ure desi%n intent sh"!! refer to the minimumrem"inin% c"#"cit$ "fter "n$ re!ev"nt sin%!e f"i!ure or common c"use 'for " %iven o#er"tion"! mode()

""  one: A confined s#"ce ,ith s#ecified fire "nd f!oodin% bound"ries)

C* Cer%i'ica%i&n

C "!! General

"!" The fo!!o,in% e.ui#ment in the D/ s$stem sh"!! be certified

 H d$n"mic #ositionin% contro! s$stem H inde#endent o$stic& contro! s$stem ,ith "uto he"din%

If s#ecific"!!$ re.uired "s #"rt of the "##rov"! #rocess

 H thruster contro! mode se!ection s$stem)

Other e.ui#ment in the D/ s$stem sh"!! be certified "ccordin% to re!ev"nt #"rts of /t)> "s for m"in c!"ss)

Gui8ance n&%eB

Addition"!!$+ com#onents "nd s$stems shou!d be certified "ccordin% to m"in c!"ss re.uirements)

Thruster contro! mode se!ection s$stems m"$ be eBem#ted from certific"tion ,hen T$#e A##roved)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

D* D&cu,en%a%i&n

D "!! General

"!" The document"tion submitted+ sh"!! inc!ude descri#tions "nd #"rticu!"rs of the vesse! "nd cover there.uirements %iven in T"b!e D= "nd D;<< to D><<+ "s "##ro#ri"te) These document"tion re.uirements "re in"ddition to the re.uirements for m"in c!"ss)

Page 13: Dynamic Positioning Systems RULES Ts607_2014-07 (1)

8/10/2019 Dynamic Positioning Systems RULES Ts607_2014-07 (1)

http://slidepdf.com/reader/full/dynamic-positioning-systems-rules-ts6072014-07-1 13/53

  'ules for "hips, (uly #)*+

  t.- h./ "ec.* 1eneral reuirements 3 age *5

DET NORSKE VERITAS AS

Ta0le D" D&cu,en%a%i&n re+uire,en%s

Ob0ect ocumentation type #dditional description Info 1!%O2qualifiers

 %2qualifiers

D$n"mic #ositionin%s$stem

M<< @ D/ Desi%n #hi!oso#h$ The document sh"!! describe them"in fe"tures of the desi%n "ndidentif$ the redund"nc$ desi%n

intent+ "s " minimum ,ith res#ectto

 H thrusters+ #ro#e!!ers "ndrudders

 H en%ines "nd %ener"tors H m"in s,itchbo"rd

"rr"n%ement

The ,orst c"se f"i!ure desi%nintent sh"!! "!so be st"ted)In "ddition the document sh"!!s#ecif$ the intended technic"!s$stem confi%ur"tion's( durin%D/ o#er"tion+ "s " minimum for

the "bove !isted com#onents)

FI+ CLE A!! A!!

I<0< 9 C"b!e routin% !"$outdr",in%

A!! re!ev"nt c"b!es) Note 0 A/ AUTRO 3

M<< 9 Arr"n%ement #!"n Fire "nd f!oodin% se#"r"tion one #!"n) This sh"!! be in form of "5A #!"n indic"tin%+ #refer"b!$ b$use of co!ours+ ,hich s#"ces th"t"re intended to cont"ine.ui#ment "nd s$stems

 be!on%in% to the differentredund"nc$ %rou#s) In "dditionthe dr",in%s sh"!! indic"te the

 #"ssive fire #rotection bet,eenthe ones)

A/ AUTRO 3

M<2= 9 F"i!ure mode "nd effect"n"!$sis 'F7EA( See D<<) A/+ CLE AUTR+AUTRO 2+ 3

M=>< 9 Test #rocedure for .u"$ orse" tri"!

Redund"nc$ "nd f"i!ure modes b"sed on F7EA

A/+ CLE AUTR+AUTRO

2+ 3

M;<< 9 Environment"! re%u!"rit$number 'ern( c"!cu!"tion

See D;<<) A/+ CLE A!! Not"##!ic"b!e

/osition&ee#in%contro!centres

M<< 9 Arr"n%ement #!"n Note A/+ CLE A!! A!!

Thrusters M==< 9 D"t" sheet @ thrust out#ut "nd #o,er in#utcurves@ res#onse time for thrust ch"n%es@ res#onse time for direction

ch"n%es@"ntici#"ted thrust reductions dueto inter"ction effects)

FI+ R+CLE

A!! A!!

Page 14: Dynamic Positioning Systems RULES Ts607_2014-07 (1)

8/10/2019 Dynamic Positioning Systems RULES Ts607_2014-07 (1)

http://slidepdf.com/reader/full/dynamic-positioning-systems-rules-ts6072014-07-1 14/53

  'ules for "hips, (uly #)*+

  t.- h./ "ec.* 1eneral reuirements 3 age *+

DET NORSKE VERITAS AS

7"in "nd b"c&@u#"utom"ticd$n"mic

 #ositionin%contro!s$stems

I<=< 9 Contro! s$stem #hi!oso#h$ A/+ CLE A!! A!!

I<;< 9 Contro! s$stem function"!descri#tion

A/+ CLE A!! A!!

I<< 9 4!oc& di"%r"m A/+ CLE A!! A!!I<>< 9 User interf"cedocument"tion

A/+ CLE A!! A!!

I<< 9 /o,er su##!$ "rr"n%ement A/+ CLE A!! A!!

I<2< 9 Instrument "nd e.ui#ment!ist

FI+ CLE A!! A!!

I<< 9 D"t" sheet ,ithenvironment"! s#ecific"tions

A/+ CLE A!! A!!

I=>< 9 Soft,"re .u"!it$ #!"n Note ; FI+ L+CLE

A!! A!!

I=< 9 Circuit di"%r"m Note A/+ CLE A!! A!!

M<2= 9 F"i!ure mode "nd effect"n"!$sis

A/+ CLE AUTR+AUTRO

2+ 3

M=;< 9 Test #rocedure "tm"nuf"cturer 

A/+ CLE A!! A!!

M=>< 9 Test #rocedure for .u"$"nd se" tri"!

A/+ CLE A!! A!!

M=0< 9 O#er"tion m"nu"! Notes = "nd ; FI+ L+CLE

A!! A!!

M=2< 9 Inst"!!"tion m"nu"! Note ; FI+ L+CLE

A!! A!!

M=< 9 7"inten"nce m"nu"! Note ; FI+ L+CLE

A!! A!!

Conse.uence"n"!$sisf"ci!it$

I<;< 9 Contro! s$stem function"!descri#tion

Re.uired for the m"in D/@contro!s$stem) Sh"!! describe thefunction"!it$ of the conse.uence

"n"!$sis function for the s#ecific #roect ,ith reference to theover"!! redund"nc$ intent "nd the,orst c"se f"i!ure desi%n intent'"s described in the D/ desi%ndocument 'M<<(()'ref) Sec) 1;<<(

A/ AUTR,AUTRO

;+

Ta0le D" D&cu,en%a%i&n re+uire,en%s 1C&n%inue85

Ob0ect ocumentation type #dditional description Info 1!%O2qualifiers

 %2qualifiers

Page 15: Dynamic Positioning Systems RULES Ts607_2014-07 (1)

8/10/2019 Dynamic Positioning Systems RULES Ts607_2014-07 (1)

http://slidepdf.com/reader/full/dynamic-positioning-systems-rules-ts6072014-07-1 15/53

  'ules for "hips, (uly #)*+

  t.- h./ "ec.* 1eneral reuirements 3 age *6

DET NORSKE VERITAS AS

Inde#endent o$stic&contro!s$stem

I<;< 9 Contro! s$stem function"!descri#tion

A/+ CLE AUT+AUTR+AUTRO

1+ 2+ 3

I<< 9 4!oc& di"%r"m A/+ CLE AUT+

AUTR+AUTRO

1+ 2+ 3

I<>< 9 User interf"cedocument"tion

A/+ CLE AUT+AUTR+AUTRO

1+ 2+ 3

I<< 9 /o,er su##!$ "rr"n%ement A/+ CLE AUT+AUTR+AUTRO

1+ 2+ 3

I<2< 9 Instrument "nd e.ui#ment!ist

FI+ CLE AUT+AUTR+AUTRO

1+ 2+ 3

I<< 9 D"t" sheet ,ithenvironment"! s#ecific"tions

A/+ CLE AUT+AUTR+

AUTRO

1+ 2+ 3

I=>< 9 Soft,"re .u"!it$ #!"n Note ; FI+ L+CLE

AUT+AUTR+AUTRO

1+ 2+ 3

M=;< 9 Test #rocedure "tm"nuf"cturer 

A/+ CLE AUT+AUTR+AUTRO

1+ 2+ 3

M=>< 9 Test #rocedure for .u"$"nd se" tri"!

A/+ CLE AUT+AUTR+AUTRO

1+ 2+ 3

M=0< 9 O#er"tion m"nu"! Notes = "nd ; FI+ L+CLE

AUT+AUTR+AUTRO

1+ 2+ 3

Thruster

contro! modese!ections$stem

I<;< 9 Contro! s$stem function"!

descri#tion

A/+ CLE A!! A!!

I<< 9 4!oc& di"%r"m A/+ CLE A!! A!!

I<>< 9 User interf"cedocument"tion

A/+ CLE A!! A!!

I<< 9 /o,er su##!$ "rr"n%ement A/+ CLE A!! A!!

I<2< 9 Instrument "nd e.ui#ment!ist

FI+ CLE A!! A!!

I<< 9 D"t" sheet ,ithenvironment"! s#ecific"tions

A/+ CLE A!! A!!

I=>< 9 Soft,"re .u"!it$ #!"n Note ; FI+ L+CLE

A!! A!!

I=< 9 Circuit di"%r"m Note A/+ CLE A!! A!!

M=;< 9 Test #rocedure "tm"nuf"cturer  A/+ CLE A!! A!!

M=>< 9 Test #rocedure for .u"$"nd se" tri"!

A/+ CLE A!! A!!

M=0< 9 O#er"tion m"nu"! Notes = "nd ; FI+ L+CLE

A!! A!!

/ositionreferences$stems

I<>< 9 User interf"cedocument"tion

A/+ CLE A!! A!!

I<< 9 /o,er su##!$ "rr"n%ement A/+ CLE A!! A!!

I<2< 9 Instrument "nd e.ui#ment!ist

FI+ CLE A!! A!!

I<< 9 D"t" sheet ,ithenvironment"! s#ecific"tions

A/+ CLE A!! A!!

M=>< 9 Test #rocedure for .u"$"nd se" tri"!

A/+ CLE A!! A!!

M=0< 9 O#er"tion m"nu"! Notes = "nd ; FI+ L+CLE

A!! A!!

Ta0le D" D&cu,en%a%i&n re+uire,en%s 1C&n%inue85

Ob0ect ocumentation type #dditional description Info 1!%O2qualifiers

 %2qualifiers

Page 16: Dynamic Positioning Systems RULES Ts607_2014-07 (1)

8/10/2019 Dynamic Positioning Systems RULES Ts607_2014-07 (1)

http://slidepdf.com/reader/full/dynamic-positioning-systems-rules-ts6072014-07-1 16/53

  'ules for "hips, (uly #)*+

  t.- h./ "ec.* 1eneral reuirements 3 age *-

DET NORSKE VERITAS AS

"! For %ener"! re.uirements to document"tion+ see /t)< Ch) Sec)=)"!- For " fu!! definition of the document"tion t$#es+ see /t)< Ch) Sec);)

D !! En/ir&n,en%al regulari%y nu,0er ern calcula%i&n '&r %he DYNPOS- series

!" C"!cu!"tion of the environment"! re%u!"rit$ number ev"!u"tion+ ern*+ sh"!! be submitted for "##rov"! for "!! not"tions in the DYNPOS- series) The #osition ho!din% #erform"nce sh"!! be .u"ntified "ccordin% to theconce#t for ern*+ see Sec)2) The c"!cu!"tions sh"!! be #resented in form of " re#ort+ ,hich sh"!! inc!ude thefo!!o,in% inform"tion "s " minimum

 H Thruster d"t" 7"Bimum thrust+ !oc"tion+ #o,er) The inform"tion re.uested in 5) in A##endiB 4 of theseru!es sh"!! be inc!uded)

 H Vesse! d"t" used in the c"!cu!"tions to be #resented "s numeric"! v"!ues to%ether ,ith 'sim#!ified( !"$outdr",in%s sho,in% both #roected front"! "nd !"ter"! "re"s "ffected b$ ,ind "nd current) Inform"tion "bout

!en%th 'over"!! "nd L##(+ bre"th+ dr"u%ht sh"!! "!so be %iven) The inform"tion re.uested in 5) in A##endiB4 of these ru!es sh"!! be inc!uded)

 H C"!cu!"tion Descri#tion of m"them"tic"! method used in the c"!cu!"tions) T"b!es %ivin% inform"tion for e"ch c"!cu!"ted #oint Environment"! forces for ,ind+ ,"ve "nd current) Thrust out#ut for e"ch thruster+tot"! thruster force "nd tot"! turnin% moment

 H Conc!usion Environment"! re%u!"rit$ numbers+ ern*)

Gui8ance n&%eB

Environment"! Re%u!"rit$ Numbers "##roved "ccordin% to this ru!e edition ,i!! be denoted ernJ to ref!ect th"t theverific"tion h"s been #erformed "%"inst the more s#ecific "cce#t"nce criteri" introduced in A##endiB 4 of this ru!es)These more s#ecific "cce#t"nce criteri" ,ere first introduced in the :u!$ ;<= edition)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

D -!! Failure ,&8e an8 e''ec% analysis 1FMEA5-!" For vesse!s ,ith the not"tions DYNPOS-AUTR+ DYNPOS-AUTRO+ DPS 2 or DPS 3+ document"tionof conse.uences of sin%!e f"i!ures in "ccord"nce ,ith ru!e re.uirements is re.uired in the form of " f"i!ure mode"nd effect "n"!$sis 'F7EA()

Vertic"!reference+he"din%reference+

,ind "ndother sensors$stems

I<>< 9 User interf"cedocument"tion

A/+ CLE A!! A!!

I<< 9 /o,er su##!$ "rr"n%ement A/+ CLE A!! A!!

I<2< 9 Instrument "nd e.ui#ment!ist FI+ CLE A!! A!!

I<< 9 D"t" sheet ,ithenvironment"! s#ecific"tions

A/+ CLE A!! A!!

M=>< 9 Test #rocedure for .u"$"nd se" tri"!

A/+ CLE A!! A!!

7"in e!ectric #o,er s$stem

E<>< 9 A!tern"tin% current 'AC( #o,er consum#tion b"!"nce

 Note > A/ A!! A!!

/o,erm"n"%ements$stem

M<2= 9 F"i!ure mode "nd effect"n"!$sis

A/ AUTR+AUTRO

2+ 3

Info A/ 9 For "##rov"!+ FI For inform"tion+ L Loc"! h"nd!in%+ R On re.uest+ CLE Re.uired "!so for c!"ss entriesfrom other c!"ssific"tion societies to the DNV D8N/OS@series "nd for u#%r"des to "nd bet,een DNV D8N/OS@series"nd D/S@series not"tions 'see "!so A<<()

 Note = One co#$ sh"!! be submitted to the "##rov"! centre)

 Note ; Sh"!! be "v"i!"b!e durin% certific"tion "nd tri"!s) See "!so /t)> Ch))

 Note For essenti"! h"rd,ired circuits 'for emer%enc$ sto#+ shutdo,n+ inter!oc&in%+ mode se!ection+ b"c&@u# se!ectionetc)() Det"i!s of in#ut "nd out#ut devices "nd #o,er sources for e"ch circuit)

 Note > For d$n"mic #ositionin% o#er"tion) For vesse!s ,ith the .u"!ifiers AUTR+ AUTRO+ 2 "nd 3 the !o"d c"!cu!"tionssh"!! "!so ref!ect the situ"tion "fter the m"Bimum sin%!e f"i!ures) 7"$ be " #"rt of the #o,er consum#tion b"!"nce "sre.uired in /t)> Ch) E!ectric"! Inst"!!"tions)

 Note For .u"!ifiers AUTRO "nd 3 "!so the b"c&@u# D/ contro! centre sh"!! be covered)

 Note 0 The document"tion sh"!! "!so inc!ude " !ist of re!ev"nt c"b!es crossin% fire ones) For the c"b!e routin% !"$outdr",in% it is recommended th"t co!ours "re used to indic"te the c"b!e routes th"t "re desi%ned "nd #h$sic"!!$ "rr"n%edto #rovide redund"nc$) The c"b!e routin% !"$out dr",in% sh"!! indic"te "!! c"b!es re!ev"nt to the D/ s$stem+ e)%) #o,erc"b!es+ contro! c"b!es+ c"b!es used for indic"tion etc)

Ta0le D" D&cu,en%a%i&n re+uire,en%s 1C&n%inue85

Ob0ect ocumentation type #dditional description Info 1!%O2qualifiers

 %2qualifiers

Page 17: Dynamic Positioning Systems RULES Ts607_2014-07 (1)

8/10/2019 Dynamic Positioning Systems RULES Ts607_2014-07 (1)

http://slidepdf.com/reader/full/dynamic-positioning-systems-rules-ts6072014-07-1 17/53

  'ules for "hips, (uly #)*+

  t.- h./ "ec.* 1eneral reuirements 3 age */

DET NORSKE VERITAS AS

-! The #ur#ose of the F7EA is to %ive " descri#tion of the different f"i!ure modes of the e.ui#ment ,henreferred to its function"! t"s&) S#eci"! "ttention sh"!! be #"id to the "n"!$sis of s$stems th"t m"$ enter " number of f"i!ure modes "nd thus induce " number of different effects on the D/ s$stem #erform"nce) The F7EA sh"!!inc!ude "t !e"st the inform"tion s#ecified in < to <0)

-!- The F7EA sh"!! c!e"r!$ describe the desi%n intent "nd the intended over"!! redund"nc$) A!! technic"!s$stem confi%ur"tion's( intended for D/ o#er"tion's( sh"!! be described "nd #rere.uisites for "chievin% there.uired f"i!ure to!er"nce "nd redund"nc$ sh"!! be inc!uded)

-!# A bre"&do,n of the D/ s$stem+ into function"! b!oc&s sh"!! be m"de) The functions of e"ch b!oc& sh"!! be described) The bre"&do,n sh"!! be #erformed to such " !eve! of det"i! th"t the function"! interf"ces bet,eenthe function"! b!oc&s "re sho,n)

-!( A descri#tion of e"ch #h$sic"!!$ "nd function"!!$ inde#endent item "nd the "ssoci"ted f"i!ure modes ,iththeir f"i!ure c"uses re!"ted to norm"! o#er"tion"! modes of the item sh"!! be furnished)

-!? A descri#tion of the effects of e"ch f"i!ure mode "!one on other items ,ithin the s$stem "nd on the over"!!D/ s$stem sh"!! be m"de)

Gui8ance n&%eB

Descri#tion of F7EA s$stem"tic m"$ be found in IEC /ub!ic"tion 0<=; "nd I7O 1SC Code+ AnneB >)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

-!. F7EA's( "nd redund"nc$ test #ro%r"m's( sh"!! be &e#t on bo"rd) The F7EA's( "nd redund"nc$ test #ro%r"m's( sh"!! "t "!! times be u#d"ted to cover "!ter"tions to the D/ s$stem h"rd,"re or soft,"re)

Gui8ance n&%eB

This is not to be understood "s " re.uirement for "n F7EA for the soft,"re) 1o,ever the F7EA 'or other re!ev"ntdocument"tion( shou!d inc!ude identific"tion of the soft,"re version's( inst"!!ed+ "nd document"tion %ivin% thisinform"tion shou!d be u#d"ted ,hen ne, versions "re inst"!!ed)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

D #!! Opera%i&n ,anuals '&r c&n%r&l sys%e,s

#!" O#er"tion m"nu"!s "ccordin% to T"b!e D= sh"!! be &e#t on bo"rd) The m"nu"!s sh"!! inc!ude inform"tionon the s#ecified s$stems+ their inst"!!"tion "nd structure "s ,e!! "s o#er"tion "nd m"inten"nce)

Gui8ance n&%eB

These m"nu"!s cover the technic"! s$stems) 7"nu"!s for D/ o#er"tions "re not norm"!!$ inc!uded "nd m"$ be #roduced se#"r"te!$+ "ccordin% to o#er"tion"! re.uirements)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

#! O#er"tion m"nu"!s sh"!! "t !e"st cover the fo!!o,in%

 H definitions of s$mbo!s "nd nomenc!"ture H function"! descri#tion H o#er"tin% instructions+ norm"! conditions H o#er"tin% instructions+ f"i!ure conditions H m"n "nd m"chine communic"tion s$stems H b"c&@u# s$stems H monitorin%

 H m"inten"nce "nd #eriodic"! #erform"nce test H f"u!t@findin% #rocedures)

 )unctional description

 H different functions inc!udin% b"c&@u# functions sh"!! be eB#!"ined in det"i!)

Operating instructions

 H descri#tion of the norm"! o#er"tion of the e.ui#ment+ inc!udin% "dustments "nd ch"n%e of !imit v"!ues+ #ossib!e modes of #resent"tion+ st"rtin% "nd sto##in% s$stems

 H descri#tion of o#er"tion of the D/ s$stem in different o#er"tion"! modes H descri#tion of tr"nsition from one o#er"tion"! mode to "nother)

 )ault&finding procedures

 H descri#tion of f"u!t s$m#toms ,ith eB#!"n"tion "nd recommended corrective "ctions H instructions for tr"cin% f"u!ts b"c& to function"! b!oc&s or s$stems)

Page 18: Dynamic Positioning Systems RULES Ts607_2014-07 (1)

8/10/2019 Dynamic Positioning Systems RULES Ts607_2014-07 (1)

http://slidepdf.com/reader/full/dynamic-positioning-systems-rules-ts6072014-07-1 18/53

  'ules for "hips, (uly #)*+

  t.- h./ "ec.* 1eneral reuirements 3 age *7

DET NORSKE VERITAS AS

E* Sur/ey an8 %es% up&n c&,ple%i&n

E "!! General

"!" U#on com#!etion+ the D/ s$stem sh"!! be subected to fin"! tests) The #ro%r"m's( sh"!! cont"in test #rocedures "nd "cce#t"nce criteri") /rior to the D/@contro! s$stem test+ "!! s$stems "nd e.ui#ment inc!uded inthe D/ s$stem sh"!! be successfu!!$ commissioned "nd tested)

Gui8ance n&%eB

This shou!d "t !e"st inc!ude

@ !o"d test "ccordin% to m"in c!"ss@ #o,er m"n"%ement s$stem's(@ s,itchbo"rd contro! "nd #rotection@ thruster contro! "nd tr"nsfer of thruster contro!@ m"nu"! override of thruster contro!@ emer%enc$ sto#s@ communic"tion s$stems@ m"in "!"rm s$stem "s for m"in c!"ss "nd E0 'if "##!ic"b!e(@ inte%r"ted "utom"tion s$stems 'if "##!ic"b!e(@ other s$stems "s "##!ic"b!e)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

"! 3hen deemed necess"r$ b$ the "ttendin% surve$or+ tests "ddition"! to those s#ecified b$ the test #ro%r"m m"$ be re.uired)

E !! Measuring sys%e,

!" A!! D/ contro!s s$stem sensors+ #eri#her"! e.ui#ment+ "nd #osition reference s$stems sh"!! be tested "s #"rt of the com#!ete D/ s$stem)

! F"i!ures of D/ contro! s$stem sensors "nd #osition reference s$stems sh"!! be simu!"ted to chec& the"!"rm s$stem "nd the s,itchin% function)

E -!! Thrus%ers

-!" Function"! tests of contro! "nd "!"rm s$stems of e"ch thruster sh"!! be c"rried out)

-! A!! si%n"!s ,ithin the thruster contro! s$stems "nd si%n"!s eBch"n%ed bet,een e"ch thruster "nd the D/

contro! s$stems sh"!! be chec&ed)-!- The different modes of thruster contro! sh"!! be tested) /ro#er o#er"tion of mode se!ection sh"!! beverified)

E #!! U3S p&>er supply

#!" The c"#"cit$ of the U/S b"tteries sh"!! be tested+ in "ddition to verific"tion of the "!"rms re.uired inSec) E=<)

E (!! 9n8epen8en% <&ys%ic= c&n%r&l sys%e,

(!" A!! functions of the inde#endent o$stic& s$stem sh"!! be tested)

E ?!! C&,ple%e D3 sys%e, %es%

?!" The com#!ete D/ s$stem sh"!! be tested in "!! o#er"tion"! modes+ ,ith simu!"tion of different f"i!ureconditions to tr$ out s,itchin% modes+ b"c&@u# s$stems "nd "!"rm s$stems)

Gui8ance n&%eB

Different o#er"tion"! modes "##!$ to the D/@contro! s$stem+ the #o,er s$stem+ thruster s$stems etc)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

?! Ch"n%e of comm"nd bet,een the "utom"tic D/@contro! s$stem+ inde#endent o$stic& s$stem "nd theindividu"! thruster !ever s$stems sh"!! be demonstr"ted)

?!- /osition "nd he"din% &ee#in% function sh"!! be demonstr"ted on "!! #ossib!e combin"tions of #ositionreference s$stems '/RS(+ "nd on e"ch /RS "s " sin%!e s$stem) /osition ch"n%e function sh"!!+ if im#!emented+

 be demonstr"ted on e"ch /RS "s " sin%!e s$stem) Se!ectin% "nd de@se!ectin% of /RS sh"!! "!so be tested)

?!# Durin% se" tri"!s the offset in#uts for e"ch #osition reference s$stem "nd re!ev"nt sensors in the D/

contro! s$stem shou!d be verified "nd demonstr"ted to the "ttendin% surve$or b$ settin% out the offsets ondr",in%s) It shou!d be verified th"t these fit ,ith the "ctu"! #!"cin% of the e.ui#ment)

?!( 7"nu"! override+ "s re.uired b$ Sec) D) "nd Sec)> A><; sh"!! be demonstr"ted durin% norm"! o#er"tion"nd f"i!ure conditions)

Page 19: Dynamic Positioning Systems RULES Ts607_2014-07 (1)

8/10/2019 Dynamic Positioning Systems RULES Ts607_2014-07 (1)

http://slidepdf.com/reader/full/dynamic-positioning-systems-rules-ts6072014-07-1 19/53

  'ules for "hips, (uly #)*+

  t.- h./ "ec.* 1eneral reuirements 3 age *8

DET NORSKE VERITAS AS

?!? A dur"tion test sh"!! be c"rried out for "t !e"st hours ,ith the com#!ete "utom"tic s$stem in o#er"tion)A!! f"i!ures sh"!! be recorded "nd "n"!$sed)

Gui8ance n&%eB

The time s#ent on D/ function"! tests m"$ norm"!!$ be deducted from the time re.uired for the dur"tion test)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

?!. A hi%h se"s tri"! sh"!! be c"rried out ,ith fu!! s$stem o#er"tion for "t !e"st ; hours) The ,e"ther conditions must be such th"t "n "ver"%e !o"d !eve! on the thrusters of < or more is "chieved)

Gui8ance n&%eB

The test described in 0<2 is de#endent on ,e"ther conditions "nd m"$ be omitted if s"tisf"ctor$ resu!ts ,ere obt"inedfrom the test described in 0<0) T$#ic"!!$ this ,i!! be re.uired for D/@contro! s$stems of nove! desi%n)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

?!; Truster emer%enc$ sto# function sh"!! be demonstr"ted)

?!: For not"tions DYNPOS-AUTR "nd DYNPOS-AUTRO+ "!"rm u#on !oo# f"i!ure "s re.uired b$ Sec)>A>< sh"!! be demonstr"ted)

?"! F&r %he DYNPOS-  seriesB For steerin% %e"rs inc!uded under D/ contro! " test sh"!! be c"rried outverif$in% th"t m"Bimum desi%n tem#er"ture of "ctu"tor "nd "!! other steerin% %e"r com#onents is not eBceeded

,hen the rudder is continuous!$ #ut over from border to border ,ithin the !imits set b$ the D/@contro! s$stem+unti! tem#er"ture is st"bi!ied)

Gui8ance n&%eB

The test shou!d be c"rried out ,ith the #ro#e!!er's( runnin% ,ith "n "ver"%e #ro#u!sion thrust of not !ess th"n <+un!ess the contro! s$stem ensures th"t rudder o#er"tion is #erformed "t ero #ro#u!sion thrust on!$+ u#on ,hich thetest m"$ be c"rried out ,ithout the #ro#e!!er's( runnin%) The test m"$ be c"rried out in "n$ steerin% %e"r contro! mode)

 Number of steerin% %e"r #um#s connected "nd rot"tion s#eed "re to be the m"Bimum "!!o,ed durin% D/ o#er"tion)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

E .!! Re8un8ancy an8 'ailure resp&nse %es%s '&r DYNPOS-AUTR$ DYNPOS-AUTRO$ DPS 2 an8DPS 3

.!" A se!ection of tests ,ithin e"ch s$stem "n"!$sed in the F7EA sh"!! be c"rried out) S#ecific conc!usionsof the F7EA for the different s$stems sh"!! be verified b$ tests ,hen redund"nc$+ f"i! s"fe res#onse+ or 

inde#endence is re.uired) The test se!ection sh"!! cover "!! s#ecified technic"! s$stem confi%ur"tions)Gui8ance n&%eB

For DYNPOS-AUTRO "nd DPS 3 this im#!ies th"t !oss of "!! s$stems in re!ev"nt fire ones shou!d be tested)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

.! The test #rocedure for redund"nc$ sh"!! be b"sed on the simu!"tion of f"i!ures "nd sh"!! be #erformedunder "s re"!istic conditions "s #r"ctic"b!e)

Gui8ance n&%eB

It is understood th"t not "!! f"i!ure modes in "!! s$stems "re #ossib!e to simu!"te) For such f"i!ure modes the "cce#t"nceof the s$stem ,i!! be b"sed on the theoretic"! F7EA+ "nd hence the document"tion "n"!$sis of these f"i!ure modesshou!d be em#h"sied in the F7EA)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

.!- For not"tion DPS 2 In c"se redund"nc$ is b"sed u#on ch"n%e@over of " sin%!e stern thruster "s describedin Sec); 4;<;+ then the function"!it$ of the ch"n%e over mech"nism "nd "v"i!"bi!it$ of the thruster "fter sin%!ef"i!ure sh"!! be demonstr"ted "t se"@tri"!s)

Page 20: Dynamic Positioning Systems RULES Ts607_2014-07 (1)

8/10/2019 Dynamic Positioning Systems RULES Ts607_2014-07 (1)

http://slidepdf.com/reader/full/dynamic-positioning-systems-rules-ts6072014-07-1 20/53

  'ules for "hips, (uly #)*+

  t.- h./ "ec.# 1eneral arrangement 3 age #)

DET NORSKE VERITAS AS

SECT9ON GENERA@ ARRANGEMENT

A* General

A "!! General

"!" The %ener"! re.uirements for D/ s$stem desi%n "re #resented in T"b!e C=) Com#"rison of the m"indifferences bet,een the DPS@series "nd the DYNPOS@series of not"tions "re #resented in T"b!e C;)

"! For DYNPOS-AUTR+ DYNPOS-AUTRO+ DPS 2 "nd DPS 3+ the desi%n "nd !eve! of redund"nc$em#!o$ed in s$stem "rr"n%ements sh"!! be to the eBtent th"t the vesse! m"int"ins the "bi!it$ to &ee# #osition"fter ,orst c"se f"i!ure's()

Gui8ance n&%eB

In %ener"! the DYNPOS- series of not"tions "re re.uirin% " hi%her de%ree of "v"i!"bi!it$ "nd robustness "s com#"redto the DPS- series of not"tions) The det"i!ed differences "re out!ined in the s#ecific re.uirements %iven in these ru!es)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

6* Re8un8ancy an8 'ailure ,&8es6 "!! General

"!" These re.uirements "##!$ #rim"ri!$ to D/ s$stems ,ith DYNPOS-AUTR+ DYNPOS-AUTRO+ DPS 2"nd DPS 3 not"tions) For DYNPOS-AUTS+ DYNPOS-AUT+ DPS 0 "nd DPS 1 not"tions+ the redund"nc$re.uirements "re "ccordin% to m"in c!"ss+ un!ess s#ecific re.uirements "re st"ted) 

"! For DYNPOS-AUTR, DYNPOS-AUTRO, DPS 2 "nd DPS 3 The redund"nc$ desi%n intent's( "nd,orst c"se f"i!ure desi%n intent's( b"sed on s#ecified redund"nc$ %rou#s sh"!! be st"ted+ "nd in "ddition "!! there!ev"nt technic"! s$stem confi%ur"tion's( sh"!! be s#ecified) 'Reference is m"de to Sec)= D "nd the re.uiredD/ Desi%n #hi!oso#h$ document)( On!$ redund"nc$ desi%n intents th"t "re verified b$ "##rov"! "nd testin% c"n

 be incor#or"ted in the conse.uence "n"!$sis re.uired b$ Sec) 1;<<)

Gui8ance n&%eB

The redund"nc$ %rou#s ,i!! emer%e "s " conse.uence of the ,orst c"se sin%!e f"i!ure ,ithin e"ch %rou#) The Ru!esdoes not %ive re.uirements to the number of 'be$ond ;( or r"tio bet,een the defined %rou#s) The %rou#s "re to beidentified in the F7EA+ verified b$ testin% "nd incor#or"ted in the conse.uence "n"!$sis)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

"!- 4"sed on the re!ev"nt sin%!e f"i!ure definition in 4<<+ 4><< "nd 4<<+ ,orst c"se f"i!ures sh"!! bedetermined in the F7EA) The conse.uence of the identified ,orst c"se f"i!ure's( in terms of reduction in #osition"nd he"din% &ee#in% "bi!it$ sh"!! be used "s the criterion for the conse.uence "n"!$sis described in Sec) 1;<<)

"!# In order to meet the sin%!e f"i!ure criteri" in 4<<+ 4><< "nd 4<<+ redund"nc$ of com#onents ,i!! benecess"r$ "s fo!!o,s

 H for not"tion DYNPOS-AUTR+ redund"nc$ of "!! "ctive com#onents "nd s#ecified st"tic com#onents H for not"tion DPS 2+ redund"nc$ of "!! "ctive com#onents "nd s#ecified st"tic com#onents+ eBce#t for 

 #ossib!e eBem#tions b"sed on the re.uirements in 4;<; "nd 4><< ,ith %uid"nce notes)

 H for not"tion DYNPOS-AUTRO "nd DPS 3+ redund"nc$ of "!! com#onents "nd #h$sic"! se#"r"tion of thecom#onents)

6 !! Re8un8ancy

!" For DYNPOS-AUTR+ DYNPOS-AUTRO  "nd  DPS 3 The D/ s$stem sh"!! be desi%ned ,ithredund"nc$) A #osition &ee#in% "bi!it$ sh"!! be m"int"ined ,ithout disru#tion u#on "n$ sin%!e f"i!ure) Fu!! sto#of thrusters "nd subse.uent st"rt@u# of "v"i!"b!e thrusters is not considered "n "cce#t"b!e disru#tion)

Gui8ance n&%eB

Com#onent "nd s$stem redund"nc$+ in technic"! desi%n "nd #h$sic"! "rr"n%ement+ shou!d in #rinci#!e be immedi"te!$"v"i!"b!e ,ith the c"#"cit$ re.uired for the D/ s$stem to s"fe!$ termin"te the ,or& in #ro%ress) The conse.uence"n"!$sis re.uired in Sec) 1;<< ,i!! %ive "n indic"tion ,hether the #osition "nd he"din% c"n be m"int"ined "fter "sin%!e f"i!ure)

The tr"nsfer to com#onents or s$stems desi%ned "nd "rr"n%ed to #rovide redund"nc$+ shou!d be "utom"tic "nd

o#er"tor intervention shou!d be "voided)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

! For DPS 2 The re.uirement in ;<= "!so "##!ies to this not"tion+ ho,ever it c"n be "cce#ted th"t the

Page 21: Dynamic Positioning Systems RULES Ts607_2014-07 (1)

8/10/2019 Dynamic Positioning Systems RULES Ts607_2014-07 (1)

http://slidepdf.com/reader/full/dynamic-positioning-systems-rules-ts6072014-07-1 21/53

  'ules for "hips, (uly #)*+

  t.- h./ "ec.# 1eneral arrangement 3 age #*

DET NORSKE VERITAS AS

s$stem is de#endent on ch"n%e@over of " sin%!e stern thruster in order to m"int"in #osition &ee#in% "bi!it$ "fter !oss of one redund"nc$ %rou#) The ch"n%e over m"$ be b"sed on fu!! sto# "nd rest"rt)

Gui8ance n&%eB

A t$#ic"! thruster confi%ur"tion ,ith t,o bo, tunne! thrusters+ one sin%!e stern tunne! thrusters "nd t,o #itch #ro#e!!ers ,ith hi%h@!ift rudders+ distributed bet,een t,o redund"nc$ %rou#s ,i!! be "cce#ted for DPS 2 not"tion "s!on% "s the sin%!e stern tunne! thruster is "rr"n%ed for bein% ch"n%ed over bet,een the t,o redund"nc$ %rou#s)

3hen such desi%n "re chosen "s b"ses for the redund"nc$ the #ossibi!it$ for hidden f"i!ures c"usin% !oss of the

ch"n%e@over function "nd the #ossibi!it$ for sin%!e f"i!ures renderin% both redund"nc$ %rou#s must be c"refu!!$considered in order to minimie the #ossibi!it$ of such f"i!ures) Ade.u"te ev"!u"tions "re to be inc!uded in the F7EAre.uired in Sec)= D<<)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

!- For DYNPOS-AUTR+ DYNPOS-AUTRO "nd DPS 3 Redund"nc$ sh"!! be b"sed u#on runnin%m"chiner$) Autom"tic or m"nu"! intervention "rr"n%ed to im#rove the #osition &ee#in% "bi!it$ "fter " f"i!urec"n be "rr"n%ed+ but c"n not be considered b$ the conse.uence "n"!$sis)

Gui8ance n&%eB

The redund"nc$ re.uirements ,i!! not be considered "s com#!ied ,ith if b"sed u#on m"nu"! or "utom"tic st"rt or rest"rt of %ener"tors thrusters or #um#s+ or if b"sed u#on "utom"tic or m"nu"! reconfi%ur"tion of "uBi!i"r$ s$stemse)%) b$ use of v"!ves)

Autom"tic "ctiv"tion of e.ui#ment m"$ be "cce#ted "s contributin% to redund"nc$ on!$ if their re!i"bi!it$ "nd

sim#!icit$ of o#er"tion is s"tisf"ctor$ so th"t the$ c"n be brou%ht into o#er"tion before #osition "nd he"din% &ee#in% #erform"nce is de%r"ded) This #rinci#!e is t$#ic"!!$ on!$ "cce#ted for tr"nsfer of contro! bet,een redund"ntcontro!!ers "nd for st"ndb$ st"rt of se" ,"ter coo!in% #um#s for DYNPOS-AUTR)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

!# DYNPOS-AUTR, DPS 2, DYNPOS-AUTRO "nd DPS 3 Sto# of thrusters "nd subse.uent st"rt@u#of "v"i!"b!e thrusters ,i!! not be "cce#ted "s contributin% to the redund"nc$) Du"! feedin% of thrusters fromdifferent redund"nc$ %rou#s m"$ be "cce#ted "s !on% "s "!! the fo!!o,in% conditions "re met

 H No f"i!ures in the thruster du"! feed s$stem sh"!! be "b!e to #ro#"%"te to both #o,er s$stems su##!$in% thethruster)

 H The thruster is fu!!$ re"d$ ,ith s#ecified #o,er "v"i!"b!e for D/ contro! ,ithout disru#tion or m"nu"!intervention "fter f"i!ure) Av"i!"b!e thrust out#ut m"$ be reduced to " s#ecified !eve! ,hen on!$ one su##!$is "v"i!"b!e)

 H The thruster is se#"r"ted from the f"i!ed one "nd redund"nc$ %rou#) H The "v"i!"bi!it$ of both su##!ies is monitored "nd communic"ted to the D/@contro! s$stems) H St"rt "nd "n$ necess"r$ reset "fter fu!! sto# of thruster is "v"i!"b!e in D/ contro! centre) H AuBi!i"r$ s$stems is "utonomous for e"ch thruster) H Su##!$ to "uBi!i"r$ "nd contro! s$stems is continuous!$ "v"i!"b!e) H Thruster f"i!ure or tri# sh"!! #revent "utom"tic re@st"rt) H The discrimin"tion "nd vo!t"%e@di# ride throu%h c"#"bi!ities sh"!! be documented) H For DYNPOS-AUTRO "nd DPS 3 The discrimin"tion "nd vo!t"%e@di# ride throu%h c"#"bi!ities sh"!!

"!so be verified b$ !ive testin%)

Gui8ance n&%e "B

Reference is m"de to DNV DNV@R/@D=<; F"i!ure 7ode "nd Effect An"!$sis 'F7EA( of Redund"nt S$stemsGA##endiB D+ for discussion on the subect "nd eB"m#!es of re!ev"nt f"i!ure modes) See "!so Sec) D=<> ,ith %uid"ncenote)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

Gui8ance n&%e B

For DYNPOS-AUTRO "nd DPS 3 it is utmost im#ort"nt th"t the desi%n is bui!t "nd #re#"red for the re.uired !ivetestin% of severe f"i!ure modes both "t the ne, bui!din% st"%e "nd "t rene,"! tri"!s durin% the vesse!s entire o#er"tion"!!ife time)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

!( For DPS 2 The re.uirement in ;< "!so "##!ies to this not"tion ho,ever ch"n%e@over of " sin%!e sternthruster "s described in ;<; c"n be "cce#ted) In "ddition "utom"tic ch"n%e@over of redund"nt dut$@st"ndb$

 #um#s in "cce#ted common #i#in% s$stems ,i!! "!so be "cce#ted)

6 -!! Failure ,&8es '&r n&%a%i&n DYNPOS-AUTR

-!" The !oss of #osition sh"!! not be "!!o,ed to occur in the event of " sin%!e f"i!ure in "n$ "ctive com#onentor s$stem+ nor in "n$ st"tic com#onents "s s#ecified in these ru!es) Sin%!e f"i!ure criteri" for DYNPOS-AUTRinc!ude

 H "n$ "ctive com#onent or s$stem

Page 22: Dynamic Positioning Systems RULES Ts607_2014-07 (1)

8/10/2019 Dynamic Positioning Systems RULES Ts607_2014-07 (1)

http://slidepdf.com/reader/full/dynamic-positioning-systems-rules-ts6072014-07-1 22/53

  'ules for "hips, (uly #)*+

  t.- h./ "ec.# 1eneral arrangement 3 age ##

DET NORSKE VERITAS AS

 H st"tic com#onents "s s#ecified in the ru!es H other st"tic com#onents ,hich "re not #ro#er!$ documented ,ith res#ect to #rotection H " sin%!e in"dvertent "ct of o#er"tion) If such "n "ct is re"son"b!$ #rob"b!e H s$stem"tic f"i!ures or f"u!ts th"t c"n be hidden unti! " ne, f"u!t "##e"rs H Common c"use f"i!ures ,hen found re!ev"nt H "utom"tic interventions c"used b$ eBtern"! events+ ,hen found re!ev"nt)

Gui8ance n&%eB

In order to reduce the #rob"bi!it$ of in"dvertent "cts+ the fo!!o,in% m"$ be used

@ doub!e "ction@ o#er"tion of t,o se#"r"te devices@ usin% screen b"sed .uestion #o#@u#s)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

-! The fo!!o,in% com#onents*s$stems "re "!so considered to f"i! "s conse.uence of " sin%!e f"i!ure

 H coo!ers H fi!ters H motorised v"!ves H fue! oi! service t"n&s "nd "##urten"nt #i#in% su##!$in% the en%ine's( H e!ectric"! "nd e!ectronic e.ui#ment 'this inc!udes "!! onbo"rd e.ui#ment "nd s$stems+ e)%) "n$ s"fet$ shut@

do,n s$stems 's#urious shut do,n(+ vesse! contro! s$stems+ eBtern"! force me"surements+ etc( H 3hen considerin% sin%!e f"i!ures of s,itchbo"rds+ the #ossibi!it$ of short@circuit of the bus@b"rs h"s to be

considered

6 #!! Failure ,&8es '&r n&%a%i&n DPS 2

#!" The sin%!e f"i!ure criteri" sh"!! be b"sed on the s"me criteri" "s %iven for DYNPOS-AUTR "s %iven in4<<) 1o,ever+ b"sed on #ro#er F7EA+ st"tic com#onents !i&e coo!ers+ fi!ters "nd #i#in%*t"n&s m"$ beconsidered "s not f"i!in%)

Gui8ance n&%eB

Reference is m"de to I7O 7SC*Circ)0> 5uide!ines for vesse!s ,ith d$n"mic #ositionin% s$stemsG+ d"ted 0 :une=> #"rt ;););

For e.ui#ment c!"ss ;+ " !oss of #osition is not to occur in the event of " sin%!e f"u!t in "n$ "ctive com#onent or s$stem) Norm"!!$ st"tic com#onents ,i!! not be considered to f"i! ,here "de.u"te #rotection from d"m"%e is demonstr"ted+

"nd re!i"bi!it$ is to the s"tisf"ction of the Administr"tion) Sin%!e f"i!ure criteri" inc!ude)= An$ "ctive com#onent or s$stem '%ener"tors+ thrusters+ s,itchbo"rds+ remote contro!!ed v"!ves+ etc)()

); An$ norm"!!$ st"tic com#onent 'c"b!es+ #i#es+ m"nu"! v"!ves+ etc)( ,hich is not #ro#er!$ documented ,ith res#ectto #rotection "nd re!i"bi!it$)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

6 (!! Failure ,&8es '&r n&%a%i&n DYNPOS-AUTRO an8 DPS 3

(!" For c!"ss not"tion DYNPOS-AUTRO "nd DPS 3 !oss of #osition sh"!! not be "!!o,ed to occur in theevent of " sin%!e f"i!ure) In "ddition to the sin%!e f"i!ures !isted under 4<<+ the sin%!e f"i!ure criteri" for DYNPOS-AUTRO "nd DPS 3 inc!ude

 H "!! st"tic com#onents in the D/ s$stem

 H "!! com#onents in "n$ ,"terti%ht com#"rtment+ from fire "nd f!oodin% H "!! com#onents in "n$ one fire@subdivision+ from fire or f!oodin% 'for c"b!es+ see "!so 42<=()

6 ?!! 9n8epen8ence

?!" Inde#endence sh"!! t"&e into "ccount "!! technic"! functions) Use of sh"red com#onents m"$ be "cce#tedif the re!i"bi!it$ is sufficient!$ hi%h "nd*or the effect of f"i!ure is sufficient!$ !o,)

Gui8ance n&%eB

/"rticu!"r "ttention shou!d be #"id to the redund"nc$ "nd inde#endence of venti!"tion "nd coo!in% f"ci!ities for e.ui#ment ,here tem#er"ture #rob!ems "re "ntici#"ted) Such f"ci!ities m"$ be considered ,ith res#ect to the intended"re" of o#er"tion)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

6 .!! Separa%i&n re+uire,en%s '&r DYNPOS-AUTRO an8 DPS 3

.!" S$stems th"t form the desi%ned redund"nc$ intent sh"!! be se#"r"ted b$ bu!&he"ds "nd dec&s+ fire@insu!"ted b$ A@0< c!"ss division+ "nd in "ddition+ ,"terti%ht if be!o, the d"m"%e ,"ter !ine) See "!so Sec) 0A=<>)

Page 23: Dynamic Positioning Systems RULES Ts607_2014-07 (1)

8/10/2019 Dynamic Positioning Systems RULES Ts607_2014-07 (1)

http://slidepdf.com/reader/full/dynamic-positioning-systems-rules-ts6072014-07-1 23/53

  'ules for "hips, (uly #)*+

  t.- h./ "ec.# 1eneral arrangement 3 age #5

DET NORSKE VERITAS AS

Gui8ance n&%e "B

The term s$stemsG sh"!! be understood to "!so inc!ude sin%!e com#onents+ c"b!in%+ "nd #i#in%)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

Gui8ance n&%e B

If t,o A@< bu!&he"ds "re "rr"n%ed in "re"s ,ith !o, fire ris&+ this m"$ be "cce#ted b"sed on c"se@b$@c"se "##rov"!)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

Gui8ance n&%e -B

C"b!in% to e.ui#ment th"t forms #"rt of the desi%ned redund"nc$ re.uirement sh"!! be se#"r"ted b$ bu!&he"ds "nddec&s+ fire@insu!"ted b$ A@0< c!"ss division) 3hen this is #r"ctic"!!$ un"void"b!e+ c"b!es c"n be se#"r"ted b$ use of A@0< c"b!e ducts or e.uiv"!ent fire@#rotection) This "!tern"tive is not "cce#ted in hi%h fire ris& "re"s+ e)%) en%ine rooms"nd fue! tre"tment rooms) This+ "s f"r "s #r"ctic"b!e+ "!so "##!ies to #i#in%)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

Gui8ance n&%e #B

On o#en dec&+ c"b!es in se#"r"te #i#es th"t "re se#"r"te!$ routed m"$ be "cce#ted)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

Gui8ance n&%e (B

Suit"b!e me"ns shou!d be #rovided to &ee# the "mbient tem#er"ture inside of "n A@0< c"b!e duct ,ithin m"Bimumtem#er"ture for the c"b!es+ ,hen necess"r$+ t"&in% into "ccount the tem#er"ture rise of c"b!es under fu!! #o,er)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

Gui8ance n&%e ?B

3"terti%ht se#"r"tion shou!d "!so be considered in "re"s "bove the d"m"%e ,"ter !ine ,here !"r%e .u"ntit$ of !i.uidsm"$ occur "s " conse.uence of !e"&"%e) S#eci"! "ttention shou!d be #"id to "re"s ,here !e"&"%e of f!"mm"b!e !i.uidsm"$ occur) Identific"tion "nd "n"!$sis of such f"i!ure modes sh"!! be #"rt of the F7EA)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

Gui8ance n&%e .B

On vesse!s ,here there is no c!e"r definition of the d"m"%e ,"ter!ine throu%h the ,ho!e cross section of the vesse!the se#"r"tion shou!d be ,"terti%ht be!o, the bu!&@he"d dec&)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

Gui8ance n&%e ;B

Se#"r"ted #o,er s$stems simu!t"neous su##!$in% non D/ re!"ted e.ui#ment #!"ced in " non@se#"r"ted "re"s or "re"s,ith !o,er fire se%re%"tion th"n A0< m"$ be "cce#ted+ #rovided sufficient me"sures "re t"&en in order to #reventf"i!ure conse.uences be$ond the ,orst c"se f"i!ure desi%n intent for the D/ s$stem) Reference is m"de to DNV DNV@R/@D=<; F"i!ure 7ode "nd Effect An"!$sis 'F7EA( of Redund"nt S$stemsG A##endiB D for further discussion "nddet"i!s re!"ted to this issue)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

.! 3"terti%ht doors in A0< insu!"ted bu!&he"ds need not to be insu!"ted) Reference is m"de to SOLASCh"#ter) II@; Re%) )>);)>) In such c"ses the m"teri"!s of the doors sh"!! h"ve me!tin% #oints of not !ess th"n< PC "nd combustib!e m"teri"!s sh"!! be inst"!!ed ,ith " minimum dist"nce of >< mm from the door)

C* Sys%e, arrange,en%

C "!! General

"!" The re.uirements for s$stem "rr"n%ement for the different not"tions DYNPOS- series "nd the DPS-series "re summ"rised in T"b!e C=) S#ecific re.uirements for e"ch subs$stem "re #resented under theres#ective section he"din%s)

Page 24: Dynamic Positioning Systems RULES Ts607_2014-07 (1)

8/10/2019 Dynamic Positioning Systems RULES Ts607_2014-07 (1)

http://slidepdf.com/reader/full/dynamic-positioning-systems-rules-ts6072014-07-1 24/53

  'ules for "hips, (uly #)*+

  t.- h./ "ec.# 1eneral arrangement 3 age #+

DET NORSKE VERITAS AS

Ta0le C" Sys%e, arrange,en%

2ubsystem or component 

 Minimum requirements for class notations

DYNPOS-AUTS

DYNPOS-AUT

DYNPOS-AUTR

DYNPOS-AUTRO

DPS 0 DPS 1 DPS 2 DPS 3

E!ectric"! #o,er s$stem

E!ectric"! s$stem  No@redund"nc$ (

 No@redund"nc$(

Redund"nc$ intechnic"!desi%n

Redund"nc$ in

technic"! desi%n "nd #h$sic"! se#"r"tion'se#"r"te

com#"rtments(

7"in s,itchbo"rd =( =( =; in se#"r"te

com#"rtments

4us@tie bre"&er <( <( =;+ = bre"&er in e"ch

7S4

Distribution s$stem Non@

redund"nt( Non@

redund"nt ( Redund"ntRedund"nt+ throu%h

se#"r"te com#"rtments

/o,er m"n"%ement No NoAUTR 8esDPS 2 No

AUTRO 8esDPS 3 No

ThrustersArr"n%ement of thrusters  No@

redund"nc$ No@

redund"nc$

Redund"nc$ intechnic"!desi%n>(

Redund"nc$ intechnic"! desi%n "nd #h$sic"! se#"r"tion

'se#"r"tecom#"rtments(

Sin%!e !evers for e"ch thruster"t m"in D/@contro! centre

8es 8es 8es 8es

/ositionin%contro! s$stem

Autom"tic contro! number ofcom#uter s$stems

= = ;; Q = in b"c&@u#

contro! centre

7"nu"! contro! inde#endent o$stic& s$stem ,ith"utom"tic he"din% contro! ;(

 No 8es 8es 8es

Sensors

/osition reference s$stems = ; ,hereof = in b"c&@u#

contro! centre

EBtern"!sensors

3ind = = AUTR: 3DPS 2: ;

AUTRO DPS 3 ;

,hereof = connected to b"c&@u# contro! s$stem

5$rocom#"ss

= = =( =( ,hereof = in b"c&@u# contro! centre

Vertic"!referencesensor 'VRS(

= =AUTR

DPS 2 ;( ,hereof = in b"c&@u#

contro! centre

U/S < = ;; Q = in b"c&@u#

contro! centre

/rinter 8es0( 8es0( 8es0( 8es0(

4"c&@u# contro! centre for d$n"mic #ositionin% contro! b"c&@u# s$stem

 No No No 8es

=( One of the three re.uired %$ros m"$ be re#!"ced b$ " he"din% device b"sed u#on "nother #rinci#!e+ "s !on% "s this he"din% device

is t$#e "##roved "s " T1D 'Tr"nsmittin% 1e"din% Device( "s s#ecified in I7O Res) 7SC)==0 '2() For not"tion DYNPOS-AUTRO "nd DPS 3 this is not to be the %$ro #!"ced in the b"c&@u# contro! centre)

3hen he"din% in#ut b"sed on other #rinci#!es th"n %$ros ,i!! %ive c!e"r "dv"nt"%es sensors b"sed on other #rinci#!es m"$ be"cce#ted b"sed u#on s#eci"! consider"tions) 3hen such consider"tions "re m"de the tot"! he"din% device inst"!!"tion must beconsidered in vie, of redund"nc$+ robustness "nd f"i!ure to!er"nce both ,ith res#ect to the number of he"din% devices inst"!!ed+ #rinci#!es used+ "nd the inst"!!"tion of the e.ui#ment ,ith res#ect to si%n"! tr"nsmission+ #o,er su##!$ "nd #h$sic"! inst"!!"tion+inc!udin% se#"r"tion ,hen re.uired)

;( The he"din% in#ut m"$ be t"&en from "n$ of the re.uired %$ro com#"sses)

( 3hen this is #"rt of the shi# norm"! e!ectric"! #o,er s$stem 'i)e) used for norm"! shi# s$stems+ not on!$ the D/ s$stem(+ then/t)> Ch) "##!ies)

>( For DPS 2 see "!so 4;<;)

( 3here necess"r$ for the correct functionin% of #osition reference s$stems+ "t !e"st three vertic"! reference sensors "re to be #rovided for not"tion DPS 2) If the D/@contro! s$stem c"n #osition the shi# ,ithin the o#er"tin% !imits ,ithout VRS corrections+on!$ ; VRSs "re re.uired)

0( The #rinter m"$ be re#!"ced b$ " se#"r"te e!ectronic d"t" !o%%er+ #rovided the d"t" is stored on redund"nt e!ectronic medi" 'theD/@contro! s$stem o#er"tor st"tions m"$ be used "s redund"nt stor"%e medi"( "nd the d"t" !o%%er h"s U/S su##!$ in com#!i"nce,ith Sec)E) The d"t" !o%%er must h"ve 17I "nd function"!it$ in #!"ce for the o#er"tor to "ccess "nd vie, the stored d"te in "nefficient m"nner) The d"t" !o%%er must h"ve c"#"cit$ for stor"%e of d"t" for minimum 2 d"$s of o#er"tion) It must be #ossib!e tou#!o"d to off!ine stor"%e medi"+ for d"t" stor"%e !on%er th"n the !o%%er c"#"cit$) 'The d"t" !o%%er shou!d #refer"b!$ be times$nchronised ,ith other "!"rm "nd !o%%in% s$stems to su##ort #erform"nce "nd incident "n"!$sis)(

Page 25: Dynamic Positioning Systems RULES Ts607_2014-07 (1)

8/10/2019 Dynamic Positioning Systems RULES Ts607_2014-07 (1)

http://slidepdf.com/reader/full/dynamic-positioning-systems-rules-ts6072014-07-1 25/53

  'ules for "hips, (uly #)*+

  t.- h./ "ec.# 1eneral arrangement 3 age #6

DET NORSKE VERITAS AS

"! In %ener"! "ddition"! re.uirements to "chieve hi%her "v"i!"bi!it$ "nd robustness ,i!! "##!$ to theDYNPOS- series "s com#"red to the DPS@series of not"tions) An overvie, of the m"in differences bet,eenthe t,o series "re summ"rised in T"b!e C; for .uic& reference) S#ecific re.uirements for e"ch subs$stem "re

 #resented under the res#ective section he"din%s)

C !! D3 c&n%r&l cen%re

!" The D/ vesse! sh"!! h"ve its D/ contro! centre desi%n"ted for D/ o#er"tions+ ,here necess"r$inform"tion sources+ such "s indic"tors+ dis#!"$s+ "!"rm #"ne!s+ contro! #"ne!s "nd intern"! communic"tions$stems "re inst"!!ed) This e.ui#ment sh"!! be "rr"n%ed ,ith e"s$ "ccess to the o#er"tor so th"t he*she does notneed to ch"n%e #osition ,hen o#er"tin% the contro! s$stems "t the D/ contro! centre)

Gui8ance n&%e "B

Ch"n%in% orient"tion ,i!! be "cce#ted #rovided th"t the o#er"tor-s vie, of the o#er"tin% "re" ,i!! not ch"n%esi%nific"nt!$) This im#!ies th"t the o#er"tor shou!d not be forced to turn his b"c& to the o#er"tin% "re" ,hen ch"n%in%

 bet,een different contro! s$stems 'D/@contro! s$stem+ m"nu"! thruster !evers+ "nd inde#endent o$stic& contro!

s$stem()7"nu"! !evers "nd inde#endent o$stic& shou!d be e"si!$ "ccessib!e from the D/ o#er"tor ,or& st"tion) Thruster emer%enc$ sto#s "nd mode ch"n%e s$stem shou!d be ,ithin re"ch from both m"nu"! !ever o#er"tor st"tions "nd D/o#er"tor st"tions+ "nd e"si!$ "ccessib!e from the inde#endent o$stic& o#er"tor ,or& st"tion) 4"sed on c"se b$ c"se"cce#t"nce some,h"t !on%er dist"nces m"$ be "cce#ted)

Ta0le C C&,paris&n %a0le '&r %he ,ain 8i''erences 0e%>een %he D3S4series an8 %he D2N3OS4series&' n&%a%i&ns*

'For com#!ete overvie, of the differences the ,ho!e ru!e ch"#ter must be considered)(

Technical item: -ule reference

$lass notations

   D   P   S

   0

   D   Y   N   P   O   S  -

   A   U   T   S

   D   P   S

   1

   D   Y   N   P   O   S  -

   A   U   T

   D   P   S

   2

   D   Y   N   P   O   S  -

   A   U   T   R

   D   P   S

   3

   D   Y   N   P   O   S  -

   A   U   T   R   O

Thruster confi%ur"tion ,ithout stern thrusters+i)e) side thrust b"sed on combin"tion of rudders"nd #ro#e!!ers)

Sec)> A;<="nd A<=

8es No 8es No No No No No

Redund"nc$ c"n be b"sed u#on ch"n%e over of "sin%!e stern thruster)

Sec); 4;<"nd ;<

 NA NA NA NA 8es No No No

Redund"nc$ c"n be b"sed u#on "utom"tic

ch"n%e@over of redund"nt dut$@st"ndb$ #um#s in"cce#ted common #i#in% s$stems

Sec); 4;< NA NA NA NA 8es No No No

Addition"! monitorin% re.uirements for steerin%%e"r)

/t)> Ch)=>Sec)= E<;

 No 8es No 8es No 8es No 8es

/o,er 7"n"%ement S$stem re.uired) Sec) C=<= No No No No No 8es No 8es

Common st"tic com#onents m"$ be "cce#ted inredund"nt fue! oi!+ fresh ,"ter coo!in% "nd

 #neum"tic s$stems)

Sec)0 4=<="nd Sec) ;4><=

 NA NA NA NA 8es No No No

 Number of VRSs re.uired) Sec); C=<="nd T"b!e C=

= = = = ;J

 Number of ,ind sensorss re.uired Sec); C=<="nd T"b!e C=

= = = = ; ;

Loo# monitorin% of emer%enc$ sto# !oo#s) Sec)> A>< No No No No No 8es No 8es

17I for #osition reference s$stems re.uiredoutside D/@contro! s$stem o#er"tor st"tion's()

Sec) E;<< No 8es No 8es No 8es No 8es

7"in D/@contro! s$stem sh"!! inc!ude " o$stic&mode)

Sec) C=<2 No No No 8es No 8es No 8es

ern* re.uired) Sec)= A2<="nd Sec)2

 No 8es No 8es No 8es No 8es

C!"ss entr$ from other c!"ss societies ,i!! be b"sed on corres#ondin% v"!id not"tion from!osin% c!"ss societ$)

Sec)= A0<< 8es No 8es No 8es No 8es No

C!"ss entr$ from other c!"ss societies re.uiresdocument"tion "##rov"! "nd testin% 'function"!"nd F7EA( "t entr$)

Sec)= A<< No 8es No 8es No 8es No 8es

 NA Not A##!ic"b!e

J 3here necess"r$ for the correct functionin% of #osition reference s$stems+ "t !e"st three vertic"! reference sensors "re to be #rovided for not"tion DPS 2) If the D/@contro! s$stem c"n #osition the shi# ,ithin the o#er"tin% !imits ,ithout VRScorrections+ on!$ ; VRSs "re re.uired)

Page 26: Dynamic Positioning Systems RULES Ts607_2014-07 (1)

8/10/2019 Dynamic Positioning Systems RULES Ts607_2014-07 (1)

http://slidepdf.com/reader/full/dynamic-positioning-systems-rules-ts6072014-07-1 26/53

  'ules for "hips, (uly #)*+

  t.- h./ "ec.# 1eneral arrangement 3 age #-

DET NORSKE VERITAS AS

3hen the s$stems*e.ui#ment "re "cce#ted s#!it bet,een more th"n one ,or& st"tion "t the D/ contro! centre 'e)%) "m"noeuvrin% "nd " shi# h"nd!in% st"tion(+ the re.uired "utom"tic+ o$stic& "nd m"nu"! !ever contro! modes sh"!! be"v"i!"b!e "t the ,or& st"tion's( bein% desi%n"ted for the D/ o#er"tor)

In %ener"! "!! re.uired VDU shou!d be re"d"b!e from D/+ :o$stic& "nd m"nu"! !ever o#er"tor st"tions)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

Gui8ance n&%e B

This m"$ be " dedic"ted #"rt of the n"vi%"tion brid%e) S$stem com#onents th"t do not re.uire fre.uent or immedi"teo#er"tor "ttention m"$ be inst"!!ed in "!tern"te !oc"tions)

S$stems th"t "re re.uired to be !oc"ted "t the D/ contro! centre inc!udes D/@contro! "nd inde#endent o$stic& contro!o#er"tor st"tions+ re.uired #osition reference s$stems 17I+ m"nu"! thruster !evers+ mode ch"n%e s$stems+ thruster emer%enc$ sto#s+ intern"! communic"tions)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

! In c"se some of the inst"!!ed e.ui#ment is #ort"b!e it sh"!! h"ve its dedic"ted fiBed !oc"tion "t e"ch ,or& st"tion ,here it is intended to be used) The orient"tion of !evers "nd indic"tors sh"!! be in "ccord"nce ,ith thevesse! "Bis "t "!! intended !oc"tions)

Gui8ance n&%eB

One t$#ic"! eB"m#!e of such e.ui#ment is #ort"b!e o$stic& o#er"tor st"tions) It is "ssumed th"t the re.uirede.ui#ment is #!"ced "t the D/ contro! centre durin% D/ o#er"tions)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

!- The !oc"tion of the D/ contro! centre sh"!! be chosen to suit the m"in "ctivit$ of the vesse!)

!# The D/ contro! centre sh"!! be "rr"n%ed such th"t the D/ o#er"tor h"s " %ood vie, of the vesse!s eBterior !imits "nd the surroundin% "re")

!( For vesse!s ,ith DYNPOS-AUTRO "nd DPS 3 not"tion+ " b"c&@u# D/ contro! centre sh"!! be "rr"n%edfor the !oc"tion of the b"c&@u# D/@contro! s$stem) This centre sh"!! be se#"r"ted b$ A@0< insu!"tion from them"in centre+ "nd !oc"ted ,ith o#timum e"se of "ccess from the m"in D/ contro! centre)

Gui8ance n&%eB

The b"c&@u# D/ contro! centre m"$ be used "s "n "!tern"tive if the m"in D/ contro! centre is on fire) This shou!d beconsidered ,hen the !oc"tion of the b"c&@u# D/ contro! centre is chosen)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

!? The b"c&@u# D/ contro! centre sh"!! be "rr"n%ed ,ith simi!"r vie, to the vesse!s eBterior !imits "nd thesurroundin% "re" "s the m"in D/ contro! centre)

Gui8ance n&%eB

For vesse!s th"t c"rr$ out D/ o#er"tions ,ere the D/ o#er"tors vie, of the ,or&in% "re" is not considered necess"r$+the vie, from the D/ b"c&@u# contro! centre m"$ not be simi!"r "s from the m"in D/ contro! centre) For such vesse!sit m"$ be "cce#ted th"t the vie, from the b"c&@u# D/ contro! centre is #rovided b$ " sufficient!$ f"u!t to!er"nt '"!!f"i!ures renderin% "utom"tic D/ contro! from m"in D/ centre must be considered( CCTV s$stem) This ,i!! "##!$ e)%)for dri!!in% units)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

C -!! Arrange,en% &' p&si%i&ning c&n%r&l sys%e,s

-!"  Not"tion DYNPOS-AUTS "nd DPS 0 sh"!! inc!ude "n "utom"tic contro! mode "nd "n inde#endentm"nu"! #osition contro! mode b"sed on the contro! !evers of e"ch thruster)

-!  Not"tion DYNPOS-AUT "nd DPS 1 sh"!! inc!ude

 H "n "utom"tic #osition contro! mode H "n inde#endent o$stic& s$stem ,ith "utom"tic he"din% contro! H m"nu"! !evers for e"ch thruster)

Gui8ance n&%eB

A o$stic& "nd " o$stic& mode inc!uded in the "utom"tic #ositionin% contro! s$stem ,i!! not re#!"ce the re.uirementfor "n inde#endent o$stic& s$stem on not"tions ,here "n inde#endent o$stic& is re.uired 'DYNPOS-AUT+DYNPOS-AUTR+ DYNPOS-AUTRO+ DPS 1+ DPS 2 "nd DPS 3() Reference is m"de to Sec))

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

-!-  Not"tion DYNPOS-AUTR "nd DPS 2 sh"!! inc!ude

 H "n "utom"tic #osition contro! mode consistin% of "t !e"st t,o mutu"!!$ inde#endent contro! s$stems H "n inde#endent o$stic& s$stem ,ith "utom"tic he"din% contro! H m"nu"! !evers for e"ch thruster)

Page 27: Dynamic Positioning Systems RULES Ts607_2014-07 (1)

8/10/2019 Dynamic Positioning Systems RULES Ts607_2014-07 (1)

http://slidepdf.com/reader/full/dynamic-positioning-systems-rules-ts6072014-07-1 27/53

  'ules for "hips, (uly #)*+

  t.- h./ "ec.# 1eneral arrangement 3 age #/

DET NORSKE VERITAS AS

-!#  Not"tion DYNPOS-AUTRO "nd DPS 3 sh"!! inc!ude

 H "n "utom"tic #osition contro! mode consistin% of "t !e"st t,o mutu"!!$ inde#endent contro! s$stems H "n inde#endent o$stic& s$stem ,ith "utom"tic he"din% contro! H m"nu"! !evers for e"ch thruster  H "n "utom"tic b"c&@u# D/ #ositionin% contro! s$stem)

Gui8ance n&%eB

This %uid"nce note "##!ies for <= to <>) Use of combined mech"nic"! !evers for t,o or more thrusters m"$ be"cce#ted in "ccord"nce ,ith the fo!!o,in% #rinci#!es) For not"tions not re.uirin% redund"nc$ 'DYNPOS-AUTS,DYNPOS-AUT+ DPS 0 "nd DPS 1( ,here the minimum re.uirement is one "ft thruster "nd one for,"rd thruster "nd one !on%itudin"! thruster

@ "t !e"st one !ever for thruster's( #rovidin% tr"nsverse thrust for,"rd@ "t !e"st one !ever for thruster's( #rovidin% tr"nsverse thrust "ft@ "t !e"st one !ever for thruster's( #rovidin% !on%itudin"! thrust)

For not"tions re.uirin% redund"nc$ 'DYNPOS-AUTR,  DYNPOS-AUTRO+ DPS 2  "nd DPS 3( ,here theminimum re.uirement is t,o "ft thrusters+ t,o for,"rd thrusters "nd t,o !on%itudin"! thrusters

@ "t !e"st t,o !evers for thrusters #rovidin% tr"nsverse thrust for,"rd@ "t !e"st t,o !evers for thrusters #rovidin% tr"nsverse thrust "ft@ "t !e"st t,o !evers for thrusters #rovidin% !on%itudin"! thrust)

As "n eB"m#!e this me"ns th"t t,o bo, tunne! thrusters for not"tion DYNPOS-AUT c"n use " common 13 !ever)

Another eB"m#!e is t,o bo, tunne! thrusters "nd one bo, "imuth thruster for DYNPOS-AUTR ,here the t,o bo,tunne! thrusters c"n use " combined !ever+ ,hi!e the bo, "imuth !ever is #rovidin% the re.uired redund"nc$)1o,ever+ on " DYNPOS-AUTR vesse! ,here the redund"nc$ is #rovided b$ t,o bo, tunne! thrusters on!$+ thesec"n not use " common !ever)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

-!( For not"tions DYNPOS-AUTRO  "nd DPS 3: The b"c&@u# D/@contro! s$stem sh"!! inc!ude "n"utom"tic #osition contro! mode+ "nd sh"!! be interf"ced ,ith " #osition reference+ VRS "nd 5$ro com#"ss,hich sh"!! be "b!e to o#er"te inde#endent!$ of the m"in s$stem of <>)

C #!! Arrange,en% an8 lay&u% &' c&n%r&l panels

#!" The inform"tion sources !i&e dis#!"$s+ indic"tors+ etc) sh"!! #rovide inform"tion in " re"di!$ us"b!e form)

Gui8ance n&%eB

Reference is m"de to /t)> Ch) Sec)0)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

#! The o#er"tor sh"!! be #rovided ,ith immedi"te inform"tion of the effect of "n$ "ctions+ #refer"b!$ ,ith%r"#hics)

#!- 3here "##!ic"b!e+ feedb"c& si%n"!s sh"!! be dis#!"$ed+ not on!$ the initi"! comm"nd)

#!# E"s$ s,itch@over bet,een o#er"tion"! modes sh"!! be #rovided) Active mode sh"!! be #ositive!$indic"ted)

#!( /ositive indic"tions of the o#er"tion"! st"tus of the different s$stems sh"!! be %iven)

#!? Indic"tors "nd contro!s sh"!! be "rr"n%ed in !o%ic"! %rou#s+ "nd sh"!! be co@ordin"ted ,ith the %eometr$of the vesse!+ ,hen this is re!ev"nt)

#!. If contro! of " sub@s$stem c"n be c"rried out from "!tern"te contro! st"tions+ #ositive indic"tion of thest"tion in ch"r%e sh"!! be #rovided) 3hen res#onsibi!it$ is tr"nsferred from one st"tion to "nother+ this sh"!! beindic"ted)

Gui8ance n&%eB

For contro! tr"nsfer "rr"n%ements+ see /t)> Ch) Sec))

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

#!; /rec"utions sh"!! be t"&en to "void in"dvertent o#er"tion of contro!s if this m"$ resu!t in " critic"!situ"tion) Such #rec"utions m"$ be #ro#er !oc"tion of h"nd!es etc+ recessed or covered s,itches+ or !o%ic"!re.uirements for o#er"tions)

#!: Inter!oc&s sh"!! be "rr"n%ed+ if erroneous se.uence of o#er"tion m"$ !e"d to " critic"! situ"tion or d"m"%eof e.ui#ment)

#"! Contro!s "nd indic"tors #!"ced on the n"vi%"tion brid%e "nd the D/ contro! centre's( sh"!! be sufficient!$i!!umin"ted to #ermit use "t ni%ht ,ithout difficu!t$) Li%hts for such #ur#oses sh"!! be #rovided ,ith dimmin%f"ci!ities)

Page 28: Dynamic Positioning Systems RULES Ts607_2014-07 (1)

8/10/2019 Dynamic Positioning Systems RULES Ts607_2014-07 (1)

http://slidepdf.com/reader/full/dynamic-positioning-systems-rules-ts6072014-07-1 28/53

  'ules for "hips, (uly #)*+

  t.- h./ "ec.# 1eneral arrangement 3 age #7

DET NORSKE VERITAS AS

C (!! Arrange,en% an8 lay&u% &' 8a%a c&,,unica%i&n lin=s

(!" 3hen t,o or more thrusters "nd their m"nu"! contro!s "re usin% the s"me d"t" communic"tion !in&+ this!in& sh"!! be "rr"n%ed ,ith redund"nc$ in technic"! desi%n) 

(! The inde#endent o$stic& m"$ sh"re the redund"nt communic"tion !in& described in <= ,ith the m"nu"!contro!+ but not ,ith the D/@contro! s$stem)

(!- 3hen the D/@contro! s$stem uses " d"t" communic"tion !in&+ this !in& sh"!! be inde#endent from thecommunic"tion !in&'s( for m"nu"! contro!)

(!# 3hen units 'e)%) thruster contro!!ers( "re interf"ced to d"t" communic"tion !in&s ,hich "re re.uired to be inde#endent+ then the interf"cin% to e"ch of these net,or&s sh"!! be se#"r"te!$ "rr"n%ed in such " ,"$ th"tcommon mode f"i!ures 'e)%) net,or& storm( "ffectin% both communic"tion !in&s "re e!imin"ted) This inc!udes

 both 13 "nd S3 f"i!ures in the connected units+ the interf"ce "nd the communic"tion !in&s)

(!( The communic"tion !in& for the D/@contro! s$stem sh"!! be "rr"n%ed ,ith redund"nc$ in technic"! desi%nfor DYNPOS-AUTR  "nd DPS 2+ "nd ,ith redund"nc$ in technic"! desi%n "nd #h$sic"! se#"r"tion for DYNPOS-AUTRO "nd DPS 3)

(!? For DYNPOS-AUTR  no f"i!ure mode "s s#ecified in 4<<+ for DPS 2  "s s#ecified in 4><<+ for DYNPOS-AUTRO  "nd DPS 3  "s s#ecified in 4<<+ sh"!! h"ve "n effect on the function"!it$ of bothnet,or&s)

Gui8ance n&%eBFor DYNPOS-AUTR "nd DPS 2 contro! c"b!es "nd communic"tion !in&s be!on%in% to different redund"nc$ %rou#sshou!d be se#"r"ted "s f"r "s #r"ctic"!!$ #ossib!e)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

C ?!! Arrange,en% an8 lay&u% &' e,ergency s%&p sys%e,s '&r DYNPOS-AUTR$ DPS-2, DYNPOS-AUTRO an8 DPS 3

?!" Emer%enc$ sto# s$stems must not vio!"te the redund"nc$ desi%n intent) Sin%!e f"i!ures sh"!! not !e"d tosto# of D/ re!"ted e.ui#ment be$ond the s#ecified redund"nc$ %rou#s)

?! S$stems for "ctiv"tion of emer%enc$ sto# of D/ re!"ted e.ui#ment sh"!! be so "rr"n%ed th"t it is #ossib!eto "ctiv"te emer%enc$ sto# of e.ui#ment be!on%in% to different redund"nc$ %rou#s se#"r"te!$)

Gui8ance n&%eB

For re.uirement to emer%enc$ sto# of thrusters #!e"se refer to Sec)>)

For %ener"! re.uirements to emer%enc$ sto# #!e"se refer to /t)> Ch) Sec);)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

?!- For DYNPOS-AUTRO "nd DPS 3 In c"se s$stems for emer%enc$ sto# "re #!"ced in " different fireone th"t the s$stem it contro!s or s$stems for emer%enc$ sto# of e.ui#ment be!on%in% to more th"n one oneis #!"ced in the s"me fire one+ these s$stems must be "rr"n%ed ,ith sufficient fire "nd f!oodin% inte%rit$ inorder to #revent unintended "ctiv"tion)

D* 9n%ernal c&,,unica%i&n

D "!! General"!" A t,o@,"$ voice communic"tion f"ci!it$ sh"!! be #rovided bet,een the D/ s$stem contro! centre's('m"in "nd b"c&@u# for DPS 3  "nd DYNPOS-AUTRO( the n"vi%"tion brid%e+ ECR "nd other re!ev"nto#er"tion contro! centres)

"! The t,o@,"$ voice communic"tion s$stem sh"!! be su##!ied b$ " b"tter$ or "n uninterru#tib!e #o,er su##!$ "s " st"nd@b$ #o,er su##!$ sufficient to o#er"te the s$stem for "t !e"st < minutes)

Gui8ance n&%eB

O#er"tion"! Contro! Centre '"##!ic"b!e to shi#s "nd offshore( is "n$ on@bo"rd !oc"tion ,here &e$ members of the cre,c"n communic"te decisions in norm"! "nd emer%enc$ situ"tions) O#er"tion Contro! Centres t$#ic"!!$ inc!ude+ but isnot !imited to the brid%e the en%ine contro! room " c"r%o contro! st"tion the d$n"mic #ositionin% contro! centre+ thecentr"!ised contro! room CCR+ the b"c&@u# d$n"mic #ositionin% centre+ the dri!!er-s c"bin+ or "n$ other !oc"tion from,here norm"! "nd emer%enc$ situ"tions m"$ be contro!!ed)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@

 

Page 29: Dynamic Positioning Systems RULES Ts607_2014-07 (1)

8/10/2019 Dynamic Positioning Systems RULES Ts607_2014-07 (1)

http://slidepdf.com/reader/full/dynamic-positioning-systems-rules-ts6072014-07-1 29/53

  'ules for "hips, (uly #)*+

  t.- h./ "ec.5 ontrol systems 3 age #8

DET NORSKE VERITAS AS

SECT9ON - CONTRO@ S2STEMS

A* General re+uire,en%s

A "!! General

"!" The o#er"tion"! st"tus of thrusters+ sensors "nd reference s$stems used in D/ o#er"tions sh"!! be c!e"r!$indic"ted) The fo!!o,in% inform"tion sh"!! t$#ic"!!$ be #resented

 H runnin%G H "v"i!"b!e for D/G H in D/ o#er"tionG)

6* 9n8epen8en% <&ys%ic= c&n%r&l sys%e,

6 "!! F&r N&%a%i&ns DYNPOS-AUT$ DYNPOS-AUTR$ DYNPOS-AUTRO$ DPS 1$ DPS 2 an8 DPS3

"!" It sh"!! be #ossib!e to contro! the thrusters m"nu"!!$ b$ " common o$stic& inde#endent of the D/ contro!

s$stem) The inde#endent o$stic& s$stem sh"!! inc!ude se!ect"b!e "utom"tic he"din% contro!)

"! U#on se!ection of inde#endent o$stic& contro! s$stem en"b!in% of the thrusters for o$stic& contro! sh"!! be str"i%htfor,"rd)

"!- An$ f"i!ure in the inde#endent o$stic& contro! s$stem sh"!! initi"te "n "!"rm)

"!# An$ f"i!ure c"usin% o#er"tor !oss of contro! of the thrusters in the inde#endent o$stic& contro! s$stemsh"!! freee the thrust comm"nds or set the thrust comm"nds to ero) If the f"i!ure "ffects on!$ " !imited number of thrusters+ the comm"nd to these "ffected thrusters m"$ be set to ero+ ,hi!e &ee#in% the other un"ffectedthrusters in o$stic& contro!)

C* D3 c&n%r&l sys%e,

C "!! General

"!" The #ositionin% contro! s$stem sh"!! #erform se!f@chec& routines ,hich sh"!! brin% the s$stem to " sto#+or "utom"tic"!!$ ch"n%e@over to " st"ndb$ 's!"ve( s$stem ,hen critic"! f"i!ure conditions "re detected) An"!"rm sh"!! be initi"ted in c"se of f"i!ure)

"! Autom"tic contro! mode sh"!! inc!ude contro! of #osition "nd he"din%) Set #oints for #osition "ndhe"din% sh"!! be inde#endent!$ se!ect"b!e) It sh"!! be #ossib!e to individu"!!$ enter ne, #osition "nd he"din%set #oints in "utom"tic contro! mode)

Gui8ance n&%eB

The Ru!es does not %ive "n$ s#ecific "cce#t"nce criteri" for vesse! #ositionin% #erform"nce) 1o,ever+ in moder"te,e"ther conditions "nd ,ith " fu!!$ o#er"tion"! D/ s$stem the vesse! shou!d %ener"!!$ be "b!e to demonstr"te #osition&ee#in% "ccur"c$ t$#ic"!!$ ,ithin " m r"dius "nd ± =P of he"din%+ %iven sufficient "ccur"te #osition "nd he"din%reference in#ut)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

"!- 3hen sto##ed+ either b$ "utom"tic or m"nu"! me"ns the #ositionin% contro! s$stem sh"!! set the thrustcomm"nds to Kero)

"!# Loss of one or mu!ti#!e #osition reference s$stem in#ut "nd*or one or mu!ti#!e sensor in#uts sh"!! not!e"d to si%nific"nt ch"n%e in thrust out#ut)

Gui8ance n&%eB

This inc!udes the situ"tion ,hen D/ contro! s$stem !oses the !"st "v"i!"b!e #osition reference s$stem in#ut or sensor in#ut) /osition or he"din% drive off is not "cce#ted "fter such f"i!ures)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

"!( U#on recover$ of #osition "nd he"din% reference in#ut the D/@contro! s$stem sh"!! not "utom"tic"!!$

"##!$ the !"st #osition or he"din% set #oint 'set #oints before !oss of in#ut( ,hen this is si%nific"nt!$ differentfrom the "ctu"! vesse! #osition "nd*or he"din%) If "n$ other set #oint th"n the "ctu"! vesse! #osition "nd*or he"din% is "##!ied then it is to be o#er"tor chosen)

"!? 3hen combinin% #osition reference s$stems "nd*or sensors in one unit ,ere more th"n one function or 

Page 30: Dynamic Positioning Systems RULES Ts607_2014-07 (1)

8/10/2019 Dynamic Positioning Systems RULES Ts607_2014-07 (1)

http://slidepdf.com/reader/full/dynamic-positioning-systems-rules-ts6072014-07-1 30/53

  'ules for "hips, (uly #)*+

  t.- h./ "ec.5 ontrol systems 3 age 5)

DET NORSKE VERITAS AS

s$stem c"n be !ost u#on one common f"i!ure+ the conse.uence to the tot"! s$stem u#on such " f"i!ure sh"!! noteBceed !oss of "n$ one non@combined unit in " minimum confi%ur"tion "s s#ecified in Sec); T"b!e C=) See "!soC<0)

Gui8ance n&%eB

Unit is to be understood "s one #iece of e.ui#ment 'or one s$stem( for e"ch sensor "nd #osition reference s$stem "sre.uired in Sec); T"b!e C=) The ru!e is "##!ic"b!e ,hen e.ui#ment*s$stems servin% more th"n one such function "re

 #"rt of the D/ s$stem)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

"!. For DYNPOS-AUT+  DYNPOS-AUTR  "nd  DYNPOS-AUTRO It sh"!! be #ossib!e to contro! thethrusters m"nu"!!$ b$ " common o$stic& in the m"in D/@contro! s$stem) For DYNPOS-AUTRO  there.uirement "!so "##!ies to the b"c&@u# D/@contro! s$stem) The o$stic& mode sh"!! inc!ude se!ect"b!e"utom"tic "nd m"nu"! he"din% contro!)

"!; The D/ contro! centre is the m"in contro! st"tion for e.ui#ment in the D/@contro! s$stem ,hich re.uiresm"nu"! o#er"tion)

"!: Sensors "nd*or reference s$stems m"$ be sh"red ,ith other s$stems #rovided f"i!ure in "n$ of the other s$stems c"nnot s#re"d to the D/ s$stem)

C !! A88i%i&nal '&r DYNPOS-AUTR$ DYNPOS-AUTRO$ DPS 2 an8 DPS 3

!" There sh"!! be "t !e"st t,o "utom"tic #ositionin% contro! s$stems) These s$stems sh"!! be "rr"n%ed suchth"t+ "fter the occurrence of "n$ sin%!e f"i!ure ,ithin the D/@contro! s$stem+ comm"nd out#ut to " %rou# of thrusters "b!e to #osition the shi#+ c"n sti!! be #roduced) For DYNPOS-AUTRO "nd DPS 3 " sin%!e "utom"tic b"c&@u# D/ #ositionin% contro! s$stem sh"!! "!so be "rr"n%ed+ "s re.uired in Sec); C;<)

! One of the contro!!ers in the m"in s$stem sh"!! be se!ected "s the on!ine contro!!er) This se!ection sh"!! be #ossib!e b$ m"nu"! me"ns "nd b$ "utom"tic "ction u#on f"i!ure of the on!ine contro!!er) The other contro!!er's( sh"!! be in st"ndb$ mode for "utom"tic or m"nu"! ch"n%e over) A!tern"tive!$ or more contro!!ersc"n be "rr"n%ed in "n "utom"tic m"orit$ votin% s$stem) The votin% mech"nism must not eo#"rdie theredund"nc$ re.uirements) It sh"!! not be #ossib!e to "utom"tic"!!$ or m"nu"!!$ se!ect " contro!!er ,hich is notre"d$ to "ssume comm"nd "s the "ctive contro!!er)

!- An$ f"i!ure of "n on!ine or st"ndb$ #ositionin% contro! s$stem+ sensor or #ositionin% reference s$stemse!ected+ sh"!! initi"te "n "!"rm)

Gui8ance n&%eB3hen more th"n t,o #osition reference s$stems "nd*or sensors in#uts for the s"me #"r"meters 'eBc!udin% ,indme"surements( "re used b$ the D/@contro! s$stem then votin% mech"nisms shou!d be uti!ised in order to identif$incorrect in#ut+ t"&e correct "ction u#on the f"i!ure in order to minimie the conse.uence of f"i!ure "nd "!"rm theo#er"tor)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

!# Se!f monitorin% "nd com#"rison bet,een contro!!ers sh"!! be "rr"n%ed so th"t "!"rm is re!e"sed u#ondetection of "n uneB#ected difference in thrust comm"nd or #osition or he"din%) This sh"!! not eo#"rdise theinde#endence of e"ch s$stem or ris& common mode f"i!ures)

!( Autom"tic tr"nsfer of on!ine res#onsibi!it$ sh"!! not c"use thrust ch"n%es of such m"%nitude th"t it ,i!! be detriment"! to the #ositionin% of the vesse!)

!? There sh"!! be identific"tion of the st"tus of the #ositionin% contro! s$stems "t the o#er"tor #"ne!)C -!! A88i%i&nal '&r DYNPOS-AUTRO an8 DPS 3

-!" If three #ositionin% contro! com#uters "re chosen for the m"in D/@contro! s$stem+ one of these m"$ serve"s the b"c&@u# D/@contro! s$stem+ #rovided th"t the necess"r$ inde#endence+ "s re.uired for the b"c&@u# D/@contro! s$stem+ is "chieved)

-! There sh"!! be "t !e"st one #ositionin% reference s$stem "nd one set of sensors connected to the b"c&@u#D/ #ositionin% contro! s$stem+ in such " ,"$ th"t their o#er"tion is ensured+ inde#endent of the condition of the m"in s$stem)

Gui8ance n&%eB

For ,ind sensors+ 5/S "ntenn"s+ etc) "nd be!on%in% c"b!in% ,hich c"nnot #ossib!$ be !oc"ted in the s"me fire one"s the b"c&@u# contro! centre+ the inde#endence "nd se#"r"tion bet,een m"in "nd b"c&@u# D/@contro! s$stems+

 #osition reference s$stems "nd sensors shou!d be ensured b$ use of #h$sic"! dist"nce "nd se#"r"tion "s f"r "s

 #r"ctic"!!$ #ossib!e)@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@

 

-!- The b"c&@u# D/ #ositionin% contro! s$stem sh"!! o#er"te "s " hot b"c&@u#G+ "nd sh"!!+ "t "!! times+ bere"d$ to "ssume comm"nd+ "nd m"int"in the #osition from the moment of "ssumin% comm"nd)

Page 31: Dynamic Positioning Systems RULES Ts607_2014-07 (1)

8/10/2019 Dynamic Positioning Systems RULES Ts607_2014-07 (1)

http://slidepdf.com/reader/full/dynamic-positioning-systems-rules-ts6072014-07-1 31/53

  'ules for "hips, (uly #)*+

  t.- h./ "ec.5 ontrol systems 3 age 5*

DET NORSKE VERITAS AS

-!# The b"c&@u# D/ #ositionin% contro! s$stem sh"!! #erform se!f chec& routines "nd communic"te its st"tusto the m"in s$stem) An "!"rm sh"!! be initi"ted if it f"i!s or is not re"d$ to t"&e contro!)

-!( The b"c&@u# D/ #ositionin% contro! s$stem sh"!! be c"#"b!e of bein% "ctiv"ted b$ the o#er"tor "t the b"c&@u# D/ contro! centre) The n"ture of the s,itchin% sh"!! be such th"t no sin%!e f"i!ure ,i!! render the b"c&@u# ino#er"b!e to%ether ,ith the m"in s$stem+ or vice vers")

-!? The re.uirement %iven in C=<0 "##!ies to both the re.uired inst"!!"tion on the m"in D/ contro! centre

"nd to the re.uired inst"!!"tion on the b"c&@u# D/ contro! centre se#"r"te!$)

D* Thrus%er c&n%r&l ,&8e selec%i&n

D "!! General

"!" The thruster contro! modes+ i)e) m"nu"!+ inde#endent o$stic& "nd "utom"tic+ sh"!! be se!ect"b!e b$ "sim#!e device !oc"ted in the D/ contro! centre) The contro! mode se!ector s$stem m"$ consist of " sin%!ese!ector s,itch or individu"! se!ectors for e"ch thruster)

Gui8ance n&%eB

For vesse!s ,ith n"utic"! not"tions reference is "!so m"de to /t)0 Ch) Sec)0 for vesse!s ,ith NAUT-OC or  NAUT-AW not"tions "nd to /t)0)Ch);< Sec)> for vesse!s ,ith NAUT-OS not"tions)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@

 

"! The contro! mode se!ection s$stem sh"!! be "rr"n%ed so th"t it is "!,"$s #ossib!e to se!ect m"nu"! contro!s"t the D/ contro! centre "fter "n$ sin%!e f"i!ure in the D/ contro! mode or in the inde#endent o$stic& contro!mode+ inc!uded f"i!ures in the thruster contro! mode s$stem itse!f) This "##!ies "!so to the contro! modese!ection s$stem intended to be used b$ the o#er"tor durin% norm"! o#er"tion) The s$stem sh"!! "!so #rovidethe re.uired inte%rit$ bet,een the D/ contro! s$stem "nd the inde#endent o$stic& s$stem)

"!- For DYNPOS-AUTR+ DYNPOS-AUTRO+ DPS 2 "nd DPS 3 not"tions+ mode se!ection s$stems sh"!!not vio!"te redund"nc$ re.uirements)

Gui8ance n&%eB

A common s,itch m"$ be "cce#ted "s !on% "s e"ch thruster s$stem is e!ectric"!!$ inde#endent)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

"!# For DYNPOS-AUTRO "nd DPS 3 the b"c&@u# D/ contro! s$stem sh"!! sti!! be se!ect"b!e even if thecontro! mode se!ection s$stem is d"m"%ed b$ fire)

Gui8ance n&%eB

The mode se!ector m"$ consist of " sin%!e s,itch "!so for DYNPOS-AUTRO  "nd  DPS 3  even if this m"$ bed"m"%ed b$ " fire+ or other h""rds+ #rovided th"t the b"c&@u# D/ contro! s$stem is sti!! se!ect"b!e)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

E* 3&si%i&ning re'erence sys%e,s

E "!! General

"!" 3here more th"n one #ositionin% reference s$stem is re.uired+ "t !e"st t,o sh"!! be b"sed on different #rinci#!es)

Gui8ance n&%eB

For DYNPOS-AUT  "nd  DPS 1  s#eci"! consider"tions m"$ be %iven ,here the use of t,o different me"surin% #rinci#!es ,ou!d not be #r"ctic"b!e durin% D/ o#er"tion) This me"ns th"t e)%) t,o D5/S s$stems m"$ be "cce#tedfor these not"tions)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

"! /ositionin% reference s$stems sh"!! com#!$ ,ith the re!ev"nt m"in c!"ss ru!es for e!ectric"!+ mech"nic"!+"nd h$dr"u!ic com#onents "nd subs$stems)

"!- 7onitorin% of #ositionin% reference s$stems sh"!! inc!ude "!"rms for e!ectric"! "nd mech"nic"! functions+i)e) #o,er+ #ressure+ tem#er"ture "s re!ev"nt)

"!# /ositionin% reference s$stems sh"!! #rovide ne, #osition d"t" ,ith " refresh r"te "nd "ccur"c$ suit"b!efor the intended D/ o#er"tions)

Gui8ance n&%e "B

S$stems th"t on!$ #roduce ne, #osition d"t" ,ith !on% interv"!s re!"tive to the res#onse time of the D/ vesse!+ ,i!!

Page 32: Dynamic Positioning Systems RULES Ts607_2014-07 (1)

8/10/2019 Dynamic Positioning Systems RULES Ts607_2014-07 (1)

http://slidepdf.com/reader/full/dynamic-positioning-systems-rules-ts6072014-07-1 32/53

  'ules for "hips, (uly #)*+

  t.- h./ "ec.5 ontrol systems 3 age 5#

DET NORSKE VERITAS AS

not be considered "s #ositionin% reference s$stems+ "s re.uired in Sec); T"b!e C=+ un!ess it c"n be demonstr"ted th"tthe #erform"nce is "de.u"te in "!! o#er"tion"! modes "nd o#er"tion"! ,e"ther conditions)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

Gui8ance n&%e B

The "ccur"c$ of the #osition reference d"t" is %ener"!!$ to be ,ithin

@ " r"dius of ; of ,"ter de#th for bottom@b"sed s$stems

@ ,ithin " r"dius of m for surf"ce@b"sed s$stems)@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@

 

Gui8ance n&%e -B

For s"te!!ite b"sed s$stems+ interf"ce "nd necess"r$ e.ui#ment for receivin% differenti"! correction si%n"!s is re.uiredinst"!!ed)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

"!( It sh"!! be sim#!e for the o#er"tor to est"b!ish the o#er"tion"! st"tus of "!! #osition reference s$stems "t"n$ time) 3hich s$stems th"t is in o#er"tion+ ,ith d"t" "cce#ted or disc"rded+ sh"!! be c!e"r!$ identified)

"!? 3hen d"t" from sever"! #osition references "re combined into " me"n #ositionin%+ b$ fi!terin%techni.ues+ the reference #osition of e"ch sh"!!+ "t !e"st+ be "v"i!"b!e "t the o#er"tor-s re.uest)

"!. 3hen sever"! s$stems "re combined to #rovide " me"n reference+ the me"n v"!ue used sh"!! not ch"n%e"bru#t!$ b$ one s$stem bein% se!ected or dese!ected)

"!; F"i!ures in " #ositionin% reference s$stem th"t mi%ht %ive de%r"ded .u"!it$+ !oss of #osition si%n"! or !ossof redund"nc$ sh"!! initi"te "n "!"rm)

"!: Limit "!"rms sh"!! be #rovided for s$stems+ ,hich h"ve defined r"n%e !imits)

""! If " #ositionin% reference s$stem c"n freee or other,ise #roduce corru#t d"t" out#ut+ " method sh"!! be #rovided to en"b!e reection of the d"t")

""" 3hen more th"n one #ositionin% reference s$stem is re.uired+ then e"ch sh"!! be inde#endent ,ithres#ect to si%n"! tr"nsmission "nd interf"ces)

Gui8ance n&%e "B

In order for t,o s"te!!ite b"sed s$stems to be considered "s inde#endent it must be #ossib!e to set them u# ,ith

different differenti"! correction si%n"!s)@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@

 

Gui8ance n&%e B

For DYNPOS-AUTR+ DYNPOS-AUTRO+ DPS 2 "nd DPS 3Interf"ces to the d$n"mic #ositionin% com#uter s$stem sh"!! be in "ccord"nce ,ith the over"!! redund"nc$re.uirement) S$stems shou!d be e.u"!!$ distributed bet,een the redund"nt %rou#s+ "nd so "rr"n%ed th"t s$stems b"sedon the s"me #rinci#!e "re e.u"!!$ distributed bet,een the redund"nt %rou#s)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

"" /o,er su##!$ to the #osition reference s$stems sh"!! be from U/S 'eBce#t for not"tion DYNPOS-AUTS"nd DPS 0() For DYNPOS-AUTR+ DYNPOS-AUTRO+ DPS 2 "nd DPS 3 "rr"n%ement of #o,er su##!iessh"!! be in "ccord"nce ,ith the over"!! redund"nc$ re.uirement)

Gui8ance n&%e "BFor DYNPOS-AUTR+ DYNPOS-AUTRO+ DPS 2 "nd DPS 3S$stems #o,er su##!$ shou!d be e.u"!!$ distributed bet,een the U/Ss+ "nd so "rr"n%ed th"t #o,er su##!$ to s$stems

 b"sed on the s"me #rinci#!e "re e.u"!!$ distributed bet,een the U/Ss)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

Gui8ance n&%e B

/o,er su##!$ to units #rovidin% correction si%n"! to D5/Ss must fo!!o, the s"me redund"nt distribution #rinci#!e)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

Gui8ance n&%e -B

The re.uirement for U/S su##!$ for #osition reference s$stems is not "##!ic"b!e for #"rts of the s$stems ,hich "renot "ctive!$ in use durin% #ositionin%) E)%) 1$dro "coustic #ositionin% reference s$stem tr"nsducer hoist s$stems or t"u%ht ,ire derric& contro! s$stems)

For t"ut ,ire s$stems+ the he"ve com#ens"tion s$stem need not be #o,ered b$ U/S su##!$ "s !on% "s "t !e"st oneother #osition reference s$stem is "v"i!"b!e "nd #o,ered from U/S)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

Page 33: Dynamic Positioning Systems RULES Ts607_2014-07 (1)

8/10/2019 Dynamic Positioning Systems RULES Ts607_2014-07 (1)

http://slidepdf.com/reader/full/dynamic-positioning-systems-rules-ts6072014-07-1 33/53

  'ules for "hips, (uly #)*+

  t.- h./ "ec.5 ontrol systems 3 age 55

DET NORSKE VERITAS AS

""- For DYNPOS-AUTRO "nd DPS 3 "t !e"st one of the #ositionin% reference s$stems sh"!! be connecteddirect!$ to the b"c&@u# D/ #ositionin% contro! s$stem "nd se#"r"ted b$ A@0< c!"ss division+ from the other 

 #ositionin% reference s$stems) This s$stem sh"!! "!so be "v"i!"b!e for use b$ the m"in D/@contro! s$stem+ b$connections not vio!"tin% the se#"r"tion re.uirements)

E !! 3&si%i&n re'erence sys%e, user in%er'ace '&r %he DYNPOS- series

!" For DYNPOS-AUTS The re.uired #osition reference s$stem- 17I is to be inde#endent of the D/@

contro! s$stem) This 17I is to be #!"ced "t the D/@contro! centre in vie, of the D/ o#er"tor)

! For DYNPOS-AUT At !e"st one of the re.uired #osition reference s$stems- 17I is to be inde#endentof the D/@contro! s$stem) This 17I is to be #!"ced "t the D/@contro! centre in vie, of the D/ o#er"tor)

!- For DYNPOS-AUTR "nd DYNPOS-AUTRO At !e"st t,o of the #ositionin% reference s$stems- 17Is"re to be inde#endent of the D/@contro! s$stem) These 17Is "re to be #!"ced "t the m"in D/ contro! centre invie, of the D/ o#er"tor) The t,o reference s$stems fu!fi!!in% this re.uirement sh"!! h"ve their #o,er su##!$from different U/Ss) For DYNPOS-AUTRO the s$stem re.uired to be #!"ced "t the b"c&@u# D/ contro! centresh"!! h"ve 17I inde#endent of the D/@contro! s$stem)

Gui8ance n&%eB

For DYNPOS-AUTRO  this im#!ies th"t if on!$ one reference s$stem #!"ced on the m"in D/ contro! centre ise.ui##ed ,ith se#"r"te 17I+ the s$stem #!"ced in the b"c&u# contro! centre must h"ve " s!"ve 17I on the m"in D/contro! centre)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

F* Sens&rs

F "!! General

"!" Sensors sh"!! #rovide ne, d"t" ,ith " refresh r"te "nd "ccur"c$ suit"b!e for the intended D/ o#er"tions)

Gui8ance n&%eB

5$ros shou!d be t$#e "##roved "s " T1D 'Tr"nsmittin% 1e"din% Device( "s s#ecified in I7O Res) 7SC)==0 '2()

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

"! 3hen more th"n one sensor for " s#ecific function is re.uired+ then e"ch sh"!! be inde#endent ,ithres#ect to #o,er+ si%n"! tr"nsmission+ "nd interf"ces) For DYNPOS-AUTR+ DYNPOS-AUTRO+ DPS 2 "ndDPS 3 "rr"n%ement of #o,er su##!$ sh"!! be in "ccord"nce ,ith the over"!! redund"nc$ re.uirement) For not"tions ,here no or on!$ U/S is re.uired #o,er m"$ be t"&en from the s"me distribution*U/S)

"!- 7onitorin% of sensors sh"!! inc!ude "!"rms for e!ectric"! "nd mech"nic"! functions+ i)e) #o,er+ #ressure+tem#er"ture "s re!ev"nt)

"!# It sh"!! be sim#!e for the o#er"tor to est"b!ish the o#er"tion"! st"tus of "!! sensors "t "n$ time) 3hichs$stems th"t is in o#er"tion+ ,ith d"t" "cce#ted or disc"rded+ sh"!! be c!e"r!$ identified) Sensor d"t" sh"!! be"v"i!"b!e "t the o#er"tor-s re.uest)

"!( 3hen f"i!ure of " sensor is detected+ "n "!"rm sh"!! be initi"ted even if the sensor is in " st"ndb$ or off!ineuse "t the time of f"i!ure)

Gui8ance n&%eB

Durin% D/ o#er"tions+ it is im#ort"nt th"t f"i!ures of "n$ sensor+ ,hether it is bein% used or not "t the time+ is brou%htto the "ttention of the o#er"tor)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

"!? For the not"tion DYNPOS-AUTRO "nd DPS 3 the sensors connected direct!$ to the b"c&@u# #ositionin%contro! s$stem sh"!! in %ener"! be inst"!!ed in the s"me A@0< fire Kone "s the b"c&@u# D/ contro! s$stem)

G* Display uni%s

G "!! General

"!" The dis#!"$ unit sh"!! #resent " #osition #!ot inc!udin% the !oc"tion of the vesse! re!"tive to the referencesources) The #!ot m"$ be vesse! re!"tive+ or " true motion #resent"tion)

"! For #ositionin% contro! s$stems+ desi%ned ,ith redund"nc$+ there sh"!! be "t !e"st t,o D/ contro! s$stemo#er"tor st"tions)

"!- If the dis#!"$ is used for #resent"tion of ,"rnin%s or "!"rms+ these sh"!! h"ve #riorit$ over other inform"tion "nd not be inhibited b$ other d"t" current!$ bein% dis#!"$ed)

Page 34: Dynamic Positioning Systems RULES Ts607_2014-07 (1)

8/10/2019 Dynamic Positioning Systems RULES Ts607_2014-07 (1)

http://slidepdf.com/reader/full/dynamic-positioning-systems-rules-ts6072014-07-1 34/53

  'ules for "hips, (uly #)*+

  t.- h./ "ec.5 ontrol systems 3 age 5+

DET NORSKE VERITAS AS

"!# The dis#!"$ units sh"!! su##ort the o#er"tor ,ith necess"r$ inform"tion in order to ensure s"fe o#er"tionin "!! modes)

H* M&ni%&ring

H "!! General

"!" The D/ contro! centre sh"!! receive "!"rms "nd ,"rnin%s ref!ectin% the st"tus of the D/ s$stem)

Gui8ance n&%eB

The "!"rms from #o,er "nd thruster s$stems m"$ be %rou# "!"rms for e"ch #rime mover+ %ener"tor+ or thruster+ "s%ener"ted b$ the %ener"! "!"rm s$stem of the vesse!)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

"! If the "!"rms in the D/ contro! centre "re s!"ve si%n"!s of other "!"rm s$stems+ there sh"!! be " !oc"!"c&no,!ed%ement "nd si!encin% device)

"!- The si!encin% device in =<; sh"!! not c"use inhibitin% of ne, "!"rms)

"!# An "!"rm sh"!! be initi"ted ,hen the vesse! eBceeds #re@set #osition "nd he"din% !imits)

"!( An$ f"i!ure of "n on!ine or st"ndb$ #ositionin% contro! s$stem+ sensor or #ositionin% reference s$stemse!ected+ sh"!! initi"te "n "!"rm)

"!? The "!"rms to be #resented in the D/ contro! centre sh"!! norm"!!$ be !imited to functions re!ev"nt to D/o#er"tion)

H !! C&nse+uence analysis '&r DYNPOS-AUTR$ DYNPOS-AUTRO$ DPS 2 an8 DPS 3 n&%a%i&ns

!" The D/@contro! s$stems sh"!! #erform "n "n"!$sis of the "bi!it$ to m"int"in #osition "fter ,orst c"sef"i!ures) An "!"rm sh"!! be initi"ted+ ,ith " m"Bimum de!"$ of minutes+ ,hen " f"i!ure ,i!! c"use !oss of 

 #osition in the #rev"i!in% ,e"ther conditions)

Gui8ance n&%eB

This "n"!$sis shou!d verif$ th"t the thrusters rem"inin% in o#er"tion "fter the ,orst c"se f"i!ure c"n %ener"te the s"meresu!t"nt thruster force "nd moment "s re.uired before the f"i!ure)

The "n"!$sis shou!d consider the "ver"%e #o,er "nd thrust consum#tion) 4rief+ d$n"mic effects shou!d be removed

 b$ fi!terin% techni.ues)For o#er"tions ,hich ,i!! t"&e " !on% time to s"fe!$ termin"te+ the conse.uence "n"!$sis shou!d inc!ude " function,hich simu!"tes the thrust "nd #o,er rem"inin% "fter the ,orst c"se f"i!ure+ b"sed on m"nu"! in#ut of ,e"ther trend)

T$#ic"!!$+ the ,orst c"se f"i!ure ,i!! be !oss of one com#!ete s,itchbo"rd+ one en%ine room+ or " %rou# of thrustersth"t "re subect to " common f"i!ure mode)

Limit"tions in "v"i!"b!e #o,er "nd*or thrust re!ev"nt for the ,orst c"se sin%!e f"i!ure condition sh"!! be t"&en in toconsider"tion b$ the conse.uence "n"!$sis)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

! The conse.uence "n"!$sis sh"!! be re#e"ted "utom"tic"!!$ "t #re@set interv"!s) The o#er"tor sh"!! be "b!eto monitor th"t the "n"!$sis is in #ro%ress)

!- The "n"!$sis sh"!! h"ve " !o,er #riorit$ th"n the contro! "nd "!"rm t"s&s) If the "n"!$sis is not com#!eted

,ithin ; minutes then "n "!"rm sh"!! be initi"ted)

Page 35: Dynamic Positioning Systems RULES Ts607_2014-07 (1)

8/10/2019 Dynamic Positioning Systems RULES Ts607_2014-07 (1)

http://slidepdf.com/reader/full/dynamic-positioning-systems-rules-ts6072014-07-1 35/53

  'ules for "hips, (uly #)*+

  t.- h./ "ec.+ 4hruster systems 3 age 56

DET NORSKE VERITAS AS

SECT9ON # THRUSTER S2STEMS

A* General

A "!! Rule applica%i&n

"!" Thrusters sh"!! com#!$ ,ith m"in c!"ss re.uirements)"! The thrusters sh"!! be desi%ned "s d$n"mic #ositionin% thrustersG or #ro#u!sion thrustersG "ccordin%to /t)> Ch)) The thruster s$stems sh"!! be desi%ned for continuous o#er"tion)

Gui8ance n&%eB

5ener"!!$ no restrictions shou!d be #ut on the st"rtin% interv"!s of e!ectric"! m"chines) If re.uired+ the "rr"n%ement issubect to "##rov"! in e"ch c"se)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

"!- 3hen the m"in #ro#u!sion #ro#e!!ers "re inc!uded under D/ contro!+ the$ sh"!! be considered "s thrusters"nd "!! re!ev"nt re.uirements of these ru!es ,i!! "##!$) 3hen rudders "re not inc!uded under D/ contro! "rudder out of eroG "!"rm sh"!! be %iven "t the D/ contro! centre in c"se the rudder is not in ero ,hen thevesse! is under contro! b$ the D/@contro! s$stem)

Gui8ance n&%eBAs for rudders+ this #rinci#!e "##!ies "s re!ev"nt to "n$ other units su##!$in% thrust in the D/ s$stem+ e)%) ,"ter ets)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

"!# 3hen the m"in steerin% s$stem is inc!uded under D/ contro!+ the steerin% %e"r sh"!! be desi%ned for continuous o#er"tion)

Gui8ance n&%eB

For the DYNPOS- series Addition"! re.uirements for steerin% %e"r under D/ contro!+ see "!so /t)> Ch)=>)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

A !! Thrus%er c&n'igura%i&n '&r %he DYNPOS- seriesB

!" The thruster confi%ur"tion sh"!! inc!ude thrust units ,hich to%ether ,i!! #roduce+ "t "n$ time+ tr"nsverse

"nd !on%itudin"! thrust+ "nd " $",in% moment) 3hen int"ct+ the D/ s$stem sh"!! be "b!e to #roduce suchcombined forces ,ithout contribution from tr"nsverse thrust %ener"ted b$ the combined use of #ro#e!!ers "ndrudders)

Gui8ance n&%e "B

Tr"nsverse thrust %ener"ted b$ the combined use of #ro#e!!ers "nd rudders ,i!! not be considered "s thrust unitsG inthis conteBt) Reference is "!so m"de to the definition in Sec)= 4=<> ,ith corres#ondin% %uid"nce note)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

Gui8ance n&%e B

The ru!es do not s#ecif$ the number or sie of thrusters to m"&e u# the confi%ur"tion) The #osition ho!din% c"#"bi!it$resu!tin% from " chosen confi%ur"tion ,i!! be documented b$ the environment"! re%u!"rit$ numbersG 'ern*()

Thrusters shou!d be !oc"ted ,ith consider"tion of effects+ ,hich ,i!! reduce their efficienc$+ e)%) thruster@hu!!+ "ndthruster@thruster inter"ction+ "nd sh"!!o,@immersion effects)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

Gui8ance n&%e -B

Environment"! Re%u!"rit$ Numbers "##roved "ccordin% to this ru!e edition ,i!! be denoted ern* to ref!ect th"t theverific"tion h"s been #erformed "%"inst the more s#ecific "cce#t"nce criteri" introduced in A##endiB 4 of this ru!es)These more s#ecific "cce#t"nce criteri" ,ere first introduced in the :u!$ ;<= edition)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

! 3hen " redund"nt thrusters confi%ur"tion is re.uired+ there sh"!! be tr"nsverse "nd !on%itudin"! thrust+"nd $",in% moment "fter "n$ sin%!e f"i!ure)

Gui8ance n&%eB

Tr"nsverse thrust %ener"ted b$ the combined use of #ro#e!!ers "nd rudders m"$ u#on s#eci"! consider"tion+ be"cce#ted "s e.uiv"!ent to " side thruster for b"c&@u# #ur#oses+ "nd must in such c"ses be #roven on tri"!s) Tr"nsverse

thrust %ener"ted b$ the combined use of #ro#e!!ers "nd rudders ,i!! not be t"&en into consider"tion ,hen c"!cu!"tin%the first ern* number)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

Page 36: Dynamic Positioning Systems RULES Ts607_2014-07 (1)

8/10/2019 Dynamic Positioning Systems RULES Ts607_2014-07 (1)

http://slidepdf.com/reader/full/dynamic-positioning-systems-rules-ts6072014-07-1 36/53

  'ules for "hips, (uly #)*+

  t.- h./ "ec.+ 4hruster systems 3 age 5-

DET NORSKE VERITAS AS

A -!! Thrus%er c&n'igura%i&n '&r %he DPS- seriesB

-!" The thruster confi%ur"tion sh"!! inc!ude thrust units ,hich to%ether ,i!! #roduce+ "t "n$ time+ tr"nsverse"nd !on%itudin"! thrust+ "nd " $",in% moment)

Gui8ance n&%e "B

In this conteBt tr"nsverse thrust %ener"ted b$ the combined use of #ro#e!!ers "nd rudders m"$ be "cce#ted "s b"sesfor norm"! D/ o#er"tions) Reference is m"de to Sec); 4;<;+ 4;<+ 4;<> "nd 4;<)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

Gui8ance n&%e B

The ru!es do not s#ecif$ the number or sie of thrusters to m"&e u# the confi%ur"tion)

Thrusters shou!d be !oc"ted ,ith consider"tion of effects+ ,hich ,i!! reduce their efficienc$+ e)%) thruster@hu!!+ "ndthruster@thruster inter"ction+ "nd sh"!!o,@immersion effects)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

-! 3hen " redund"nt thrusters confi%ur"tion is re.uired+ there sh"!! be tr"nsverse "nd !on%itudin"! thrust+"nd $",in% moment "fter "n$ sin%!e f"i!ure)

Gui8ance n&%eB

Reference is m"de to Sec); 4;<; ,ith corres#ondin% %uid"nce note)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

A #!! Thrus%er c&n%r&l

#!" Individu"! fo!!o, u# contro! of e"ch thruster unit b$ se#"r"te m"nu"! !evers sh"!! be "rr"n%ed in the D/contro! centre) The m"nu"! contro! intended for norm"! D/ m"nu"! contro! sh"!! be inde#endent of the D/@contro! s$stem "nd inc!ude "imuth "nd thrust 'e)%) #itch "nd*or r)#)m)( contro!+ "s re!ev"nt) See "!so Sec);C<< ,ith corres#ondin% %uid"nce notes)

Gui8ance n&%eB

For vesse!s ,ith not"tion DYNPOS-AUTRO or  DPS 3+ m"nu"! contro! ,i!! not be re.uired in the b"c&@u# D/contro! centre)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

#! 7"nu"! thruster contro! mode sh"!! be "v"i!"b!e "t "!! times+ "!so durin% "!! f"i!ure conditions in d$n"mic

 #ositionin% or inde#endent o$stic& contro! s$stems) 7"nu"! thruster contro! mode is not re.uired to be"v"i!"b!e u#on f"i!ures modes ,here the m"in D/ contro! centre needs to be ev"cu"ted)

Gui8ance n&%eB

7"nu"! thruster contro! mode sh"!! be understood "s m"nu"! contro! of "!! thrust units+ inc!udin% m"in #ro#u!sion+d$n"mic #ositionin% thrusters+ ,"ter ets "nd rudders)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

#!- A sin%!e f"i!ure in the thruster contro! s$stem sh"!! neither c"use si%nific"nt incre"se in thrust out#ut nor m"&e the thruster rot"te) A sin%!e f"i!ure in the thruster contro! s$stem or in its communic"tion !ines sh"!! not!e"d to f"i!ure of more th"n one thruster "t " time)

Gui8ance n&%e "B

This "!so "##!ies to rudders ,hen the rudders "re under D/@contro!) See /t)> Ch)=> Sec)= E<<) U#on s#eci"!consider"tions it m"$ be "cce#ted th"t " rudder %oes to midshi# #osition u#on " f"i!ure)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

Gui8ance n&%e B

It m"$ be "cce#ted th"t " thruster rot"tes+ if "t the s"me time the thrust out#ut is set to ero)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

#!# It sh"!! be #ossib!e to sto# e"ch thrusters individu"!!$ from the m"in D/ contro! centre b$ me"nsinde#endent of the #ositionin% "nd thruster contro! s$stems) This emer%enc$ sto# sh"!! be "rr"n%ed ,ithse#"r"te c"b!es for e"ch thruster)

For the DPS@series of not"tions It is "cce#ted th"t emer%enc$ sto# of m"in #ro#e!!er c"n c"use sto# of other thrusters) For DPS 2 "nd DPS 3 not"tions thrusters sto##in% "s " conse.uence of emer%enc$ sto# of " m"in

 #ro#e!!er must be!on% to the s"me redund"nc$ %rou# "s the m"in #ro#e!!er)

Gui8ance n&%e "BFor vesse!s ,ith not"tion DYNPOS-AUTRO or  DPS 3+ emer%enc$ sto# ,i!! not be re.uired "t the b"c&@u# D/contro! centre)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

Page 37: Dynamic Positioning Systems RULES Ts607_2014-07 (1)

8/10/2019 Dynamic Positioning Systems RULES Ts607_2014-07 (1)

http://slidepdf.com/reader/full/dynamic-positioning-systems-rules-ts6072014-07-1 37/53

  'ules for "hips, (uly #)*+

  t.- h./ "ec.+ 4hruster systems 3 age 5/

DET NORSKE VERITAS AS

Gui8ance n&%e B

For the DYNPOS@series of c!"ss not"tions+ this im#!$ th"t /o,er T"&e Off '/TO(@ste# u# %e"rs for "!tern"tors #o,erin% other thrusters in the D/ s$stem+ must be "rr"n%ed on the #rim"r$ side of the #ro#u!sion c!utch+ see Fi%ure =)

Fig* "

Accep%a0le an8 unaccep%a0le clu%ch arrange,en% '&r D2N3OS*

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

#!( For not"tions DYNPOS-AUTR "nd DYNPOS-AUTRO+ "n "!"rm sh"!! be initi"ted u#on !oo# f"i!ure+i)e) bro&en connections or short@circuit+ in the emer%enc$ sto# s$stem) Such f"i!ures sh"!! not c"use sto# of thethruster)

Gui8ance n&%eB

For emer%enc$ sto# "rr"n%ement for other not"tions+ see /t)> Ch) Sec);)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

A (!! 9n8ica%i&n

(!" Runnin% "nd sto#+ #itch "nd r)#)m) "nd "Kimuth for e"ch thruster sh"!! be dis#!"$ed "t the D/@contro! centre)

(! The dis#!"$s of <= sh"!! be continuous!$ visib!e) At !e"st #itch "nd r)#)m) "nd "imuth dis#!"$s sh"!! bere"d"b!e from the norm"! #osition of the D/ o#er"tor) S!"ve #"ne! meters sh"!! be inst"!!ed if the dis#!"$s "renot re"d"b!e from the norm"! #osition of D/ o#er"tor)

(!- The indic"tion sh"!! not be b"sed on the s"me feedb"c& sensor "s used b$ the c!osed@!oo# contro! s$stem)

(!# Aimuth thruster used for steerin%+ "ddition"! monitorin% sh"!! be "rr"n%ed "s re.uired in /t)> Ch)=>Sec)= T"b!e E=)

 

S,itch 4o"rd

S,itch 4o"rd

Page 38: Dynamic Positioning Systems RULES Ts607_2014-07 (1)

8/10/2019 Dynamic Positioning Systems RULES Ts607_2014-07 (1)

http://slidepdf.com/reader/full/dynamic-positioning-systems-rules-ts6072014-07-1 38/53

  'ules for "hips, (uly #)*+

  t.- h./ "ec.6 ower systems 3 age 57

DET NORSKE VERITAS AS

SECT9ON ( 3OWER S2STEMS

A* General

A "!! General

"!" The #o,er s$stems sh"!! com#!$ ,ith the re!ev"nt ru!es for m"in c!"ss+ for "!! c!"ss not"tions in thisch"#ter) For DYNPOS-AUTR+ DYNPOS-AUTRO+ DPS 2 "nd DPS 3 "ddition"! re.uirements ,i!! "##!$ inre%"rd to redund"nc$ "nd ,ith res#ect to m"Bimum sin%!e f"i!ure+ "s s#ecified for e"ch not"tion) See Sec); for the definition of " sin%!e f"i!ure)

Gui8ance n&%eB

I7O 7SC*Circ)0> 5uide!ines for vesse!s ,ith d$n"mic #ositionin% s$stemsG

 Item 3.4.3:

For e.ui#ment c!"ss ;+ the #o,er s$stem shou!d be divisib!e into t,o or more s$stems such th"t in the event of f"i!ureof one s$stem "t !e"st one other s$stem ,i!! rem"in in o#er"tion) The #o,er s$stem m"$ be run "s one s$stem durin%o#er"tion+ but shou!d be "rr"n%ed b$ bus@tie bre"&ers to se#"r"te "utom"tic"!!$ u#on f"i!ures ,hich cou!d betr"nsferred from one s$stem to "nother+ inc!udin% over!o"din% "nd short@circuits)G

 Item 3.4.5:

For e.ui#ment c!"ss + the #o,er s$stem shou!d be divisib!e into t,o or more s$stems such th"t in the event of f"i!ureof one s$stem+ "t !e"st one other s$stem ,i!! rem"in in o#er"tion) The divided #o,er s$stem shou!d be !oc"ted indifferent s#"ces se#"r"ted b$ A@0< c!"ss division) 3here the #o,er s$stems "re !oc"ted be!o, the o#er"tion"!,"ter!ine+ the se#"r"tion shou!d "!so be ,"terti%ht) 4us@tie bre"&ers shou!d be o#en durin% c!"ss o#er"tions un!esse.uiv"!ent inte%rit$ of #o,er o#er"tion c"n be "cce#ted "ccordin% to )=)G)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

"! 7e"ns sh"!! be im#!emented in order to #revent over!o"din% of the #o,er #!"nt+ e)%) b$ use of inter!oc&s+thrust !imit"tions or other me"ns) 7e"ns sh"!! "!so be im#!emented to #revent re"ctive over!o"d) This inc!udesover!o"d resu!tin% from f"i!ures+ e)%) !oss of " %ener"tor or more th"n one %ener"tor ,hen these "re subect tocommon mode f"i!ures+ or !oss of com#!ete s,itchbo"rd sections)

6* Nu,0er an8 capaci%y &' genera%&rs

6 "!! General

"!" For not"tion DYNPOS-AUTS+ DYNPOS-AUT+ DPS 0 "nd DPS 1 the %ener"tor c"#"cit$ sh"!! be in"ccord"nce ,ith the m"in c!"ss)

Gui8ance n&%eB

It is "cce#ted th"t "!! %ener"tors "re in o#er"tion to run "!! thrusters =<<)

/"rticu!"r "ttention shou!d be #"id to st"rtin% conditions of thruster motors+ es#eci"!!$ ,ith one %ener"tor out of service) The effect of vo!t"%e dro# durin% st"rtin% #eriods m"$ c"use under@vo!t"%e tri#s of contro! circuits+ "nd m"inc!"ss re.uirements must be observed) 3hen st"rtin% thrusters on dedic"ted %ener"tors ,ith no other !o"ds connected,hich ,ou!d be "ffected b$ vo!t"%e devi"tions+ vo!t"%e dro# in eBcess of ru!es- !imits m"$ be "cce#ted)

The hi%h re"ctive !o"d dem"nds+ ,hich m"$ occur in D/ thruster o#er"tion shou!d be considered ,hen se!ectin% number "nd t$#e of %ener"tors+ further+ the d$n"mic !o"d v"ri"tions for diese! en%ines shou!d be t"&en into consider"tion)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@

 

"! For DYNPOS-AUTR+ DYNPOS-AUTRO+ DPS 2 "nd DPS 3 the number of %ener"tors sh"!! com#!$,ith the redund"nc$ re.uirements "s defined in the sin%!e f"i!ure criteri" in Sec);)

C* 3&>er ,anage,en%

C "!! General

"!" For DYNPOS-AUTR  "nd DYNPOS-AUTRO An "utom"tic #o,er m"n"%ement s$stem sh"!! be"rr"n%ed+ o#er"tin% ,ith both o#en "nd c!osed bus@b"r bre"&ers) This s$stem sh"!! be redund"nt so th"t thefunction"!it$ is m"int"ined "fter " f"i!ure or+ "!tern"tive!$+ one f"i!ure ,i!! on!$ "ffect one section of the #o,er s$stem in "ccord"nce ,ith the redund"nc$ desi%n intent) The s$stem sh"!! be c"#"b!e of #erformin% the

fo!!o,in% functions

 H !o"d de#endent st"rtin% of "ddition"! %ener"tors H b!oc& st"rtin% of !"r%e consumers ,hen there is not "de.u"te runnin% %ener"tor c"#"cit$+ "nd to st"rt u#

%ener"tors "s re.uired+ "nd hence to #ermit re.uested consumer st"rt to #roceed

Page 39: Dynamic Positioning Systems RULES Ts607_2014-07 (1)

8/10/2019 Dynamic Positioning Systems RULES Ts607_2014-07 (1)

http://slidepdf.com/reader/full/dynamic-positioning-systems-rules-ts6072014-07-1 39/53

  'ules for "hips, (uly #)*+

  t.- h./ "ec.6 ower systems 3 age 58

DET NORSKE VERITAS AS

 H if !o"d de#endent sto# of runnin% %ener"tors is #rovided+ f"ci!ities for disconnection of this function sh"!! be"rr"n%ed)

Gui8ance n&%eB

EBem#tion from the re.uirement for "n "utom"tic "nd redund"nt #o,er m"n"%ement s$stem '/7S( m"$ be %r"nted+ #rovided th"t functions for b!"c&out #revention+ tri##in% of non@essenti"! consumers "nd b!oc& st"rtin% of !"r%econsumers "re t"&en c"re of b$ other s$stems) EBem#tions ,i!! be %iven to s$stems ,here /7S ,i!! "dd fe, or no

 benefits)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

"! A f"i!ure in " #o,er m"n"%ement s$stem sh"!! not c"use "!ter"tion to the #o,er %ener"tion+ "nd sh"!!initi"te "n "!"rm in the m"in D/@contro! centre)

"!- It sh"!! be #ossib!e to o#er"te the s,itchbo"rds in m"nu"! "s re.uired for the m"in c!"ss+ ,ith the #o,er m"n"%ement s$stem disconnected)

"!# Over!o"d+ e)%) c"used b$ the sto##in% of one or more %ener"tors subect to common mode f"i!ures+ sh"!!not cre"te " b!"c&@out)

Gui8ance n&%eB

Reduction in thruster !o"d+ i)e) #itch or s#eed reductions+ shou!d be introduced to #revent b!"c&out "nd en"b!e st"ndb$%ener"tors to come on!ine) If this function is t"&en c"re of b$ the #ositionin% contro! s$stem+ the function sh"!! be co@ordin"ted ,ith the #o,er m"n"%ement s$stem)

Lo"d reductions shou!d #refer"b!$ be "chieved throu%h the tri##in% of unim#ort"nt consumers+ "nd the re.uirementdoes not eBem#t such me"ns) 4ut+ it is common th"t the re!"tive !o"d #ro#ortions ,i!! re.uire thruster !o"d reduction+in order to effective!$ reduce over!o"d situ"tions)

3hen the s$stem is runnin% ,ith o#en bus@ties+ #"rti"! b!"c&@out cont"ined ,ithin one redund"nc$ %rou# 'i)e) onem"in s,itchbo"rd section(+ m"$ occur in c"se " f"i!ure c"uses sto# of the !"st connected %en)set in th"t s"meredund"nc$ %rou# 'm"in s,itchbo"rd section()

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

D* Technical sys%e, c&n'igura%i&ns 0ase8 &n cl&se8 0us4%ie1s5

D "!! General

"!" For DPS 0, DYNPOS-AUTS, DPS 1 "nd DYNPOS-AUT No "ddition"! re.uirements "##!$)

"! For DPS 2, DYNPOS-AUTR the vesse!s sh"!! "t !e"st h"ve one s#ecified technic"! s$stemconfi%ur"tion b"sed u#on o#en bus@ties bet,een "!! e!ectric"! #o,er %ener"tion s$stem be!on%in% to thedifferent redund"nc$ %rou#s)

"!- For o#er"tion ,ith c!osed bus@ties the #o,er s$stem sh"!! be "rr"n%ed ,ith bus@tie bre"&ers to se#"r"te"utom"tic"!!$ u#on f"i!ures ,hich cou!d be tr"nsferred from one s$stem to "nother)

"!# DYNPOS-AUTR "nd DPS 2 3hen %ener"tors in different redund"nc$ %rou#s "re runnin% in #"r"!!e!this ,i!! introduce the #ossibi!it$ th"t " sin%!e f"i!ure m"$ #ro#"%"te bet,een s$stems) In such c"ses it isre.uired th"t #rotective me"sures "re im#!emented in the s$stem in order to ensure the re.uired inte%rit$

 bet,een the redund"nc$ %rou#s) An"!$sis of re!ev"nt f"i!ure modes sh"!! be "ddressed in the F7EA)

Gui8ance n&%eB

EB"m#!es of f"i!ure modes th"t ,i!! be re!ev"nt "re %iven be!o,)J( The "n"!$sis "nd test re.uirements m"$ be #"rt of the D/ F7EA "nd F7EA test #ro%r"m or other document"tion) In c"se such verific"tion is documented in other document"tion the F7EA shou!d %ive reference to this document"tion+ "nd refer*st"te conc!usions b"sed on this)

 )ailure Modes: Minimum analysis and test requirement for DYNPOS-AUTR  and DPS 2 :

Short circuits+ e"rthf"i!ures

Se!ectivit$ bet,een %ener"tor bre"&ers "nd bus@tie on short circuit "nd e"rth f"i!ures+ inform of " discrimin"tion "n"!$sis)

Over !o"d Over!o"d re.uired to be h"nd!ed b$ function"!it$ in contro! s$stems '/7S+ D/+S,itchbo"rd !o%ic(+ contro! s$stem document"tion+ F7EA "nd function"! testin% "t D/*/7S*F7EA tri"!s) 'C"n I*O f"i!ure bet,een D/*/7S*S34 be " hidden f"i!ure(

Page 40: Dynamic Positioning Systems RULES Ts607_2014-07 (1)

8/10/2019 Dynamic Positioning Systems RULES Ts607_2014-07 (1)

http://slidepdf.com/reader/full/dynamic-positioning-systems-rules-ts6072014-07-1 40/53

  'ules for "hips, (uly #)*+

  t.- h./ "ec.6 ower systems 3 age +)

DET NORSKE VERITAS AS

J( It must be understood th"t this is not "n eBh"ustive !ist of f"i!ure modes re!ev"nt for c!osed bus@tie s$stems) Reference is m"deto DNV DNV@R/@D=<; F"i!ure 7ode "nd Effect An"!$sis 'F7EA( of Redund"nt S$stemsG A##endiB D+ for discussion on thesubect of c!osed bus@tie s$stems)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@

 

"!( DYNPOS-AUTRO  "nd DPS 3 Technic"! s$stem confi%ur"tions b"sed on c!osed bus@ties m"$ be"cce#ted b"sed u#on s#eci"! consider"tions) Reference is m"de to A##endiB A)

Gui8ance n&%eB

Ref) A=<= "nd I7O 7SC*Circ)0> 5uide!ines for vesse!s ,ith d$n"mic #ositionin% s$stemsG item );)> For DYNPOS-AUTRO "nd DPS 3 4us@tie bre"&ers #rovidin% redund"nc$ shou!d be o#en durin% c!"ss o#er"tions)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

E* Main an8 8is%ri0u%i&n s>i%ch0&ar8s arrange,en%

E "!! General"!" For DYNPOS-AUTS+ DYNPOS-AUT+ DPS 0 "nd DPS 1 not"tions the m"in c!"ss re.uirements "re"##!ic"b!e "nd "de.u"te)

E !! A88i%i&nal '&r n&%a%i&n DYNPOS-AUTR$ DYNPOS-AUTRO$ DPS 2 an8 DPS 3

!" The s,itchbo"rd "rr"n%ement sh"!! be such th"t no sin%!e f"i!ure ,i!! %ive " tot"! b!"c&@out) For DYNPOS-AUTR "nd DPS 2 this me"ns e.ui#ment f"i!ures) For DYNPOS-AUTRO "nd DPS 3 this me"nsf"i!ure of "!! e.ui#ment in "n$ fire "nd*or ,"terti%ht subdivision)

! 3hen considerin% sin%!e f"i!ures of s,itchbo"rds+ the #ossibi!it$ of short@circuit of the bus@b"rs h"s to be considered)

!- A m"in bus@b"r s$stem consistin% of "t !e"st t,o sections+ ,ith bus@tie bre"&er's( or inter@connector  bre"&er's(+ sh"!! be "rr"n%ed) 3hen the s$stem is desi%ned to be o#er"ted ,ith c!osed bus@tie bre"&er in D/

mode+ this bre"&er sh"!! be " circuit bre"&er c"#"b!e of bre"&in% the m"Bimum short circuit current in thes$stem+ "nd ,hich is se!ective in re!"tion to %ener"tor bre"&ers to "void tot"! !oss of m"in #o,er 'b!"c&@out()

!# For DYNPOS-AUTR  "nd  DPS 2  it is "cce#ted th"t the bus@b"r sections "re "rr"n%ed in ones,itchbo"rd) For DYNPOS-AUTRO "nd DPS 3 it is re.uired th"t e"ch bus@b"r section is iso!"ted from the

5overnor f"i!ures /o,er f"i!ure+ s#eed #ic&@u# f"i!ure+ over@fue!+ isochronous !o"d sh"rin% !ines) An"!$se"nd test "!! these)

Overvo!t"%e "nd AVR+f"i!ure scen"rios

Over eBcit"tion*eBcit"tion bre"&@do,n*under eBcit"tion+ to be "n"!$sed in the F7EA"n"!$sis) F7EA test re.uirement !oss of eBcit"tion '#o,er or no out#ut(+ !oss of sense orover eBcit"tion 'disconnect CT feedb"c& or incre"se eBcit"tion()

F"i!ures re!"ted to /7S"nd "ctive !o"d sh"rin%

An"!$sis+ function"! testin%) F7EA test /o,er f"i!ure+ net,or& f"i!ure 'disconnect(+/7S I*O f"i!ure testin% re.uired "s found necess"r$ in F7EA "n"!$sis+ !o"d sh"rin% !inef"i!ure 'disconnect()

Tr"nsient under vo!t"%e'short circuit ridethrou%h('In e!ectric"! s$stemstr"nsient vo!t"%e di#sm"$ occur+ e)%) due toshort circuits "ndsubse.uent intendedo#enin% of feeder or bus@tie bre"&ers fordisconnection of thef"u!t$ e.ui#ment) In

connection ,itho#er"tion ,ith c!osed bus such tr"nsients ,i!!"ffect the ,ho!econnected distributions$stem)(

The F7EA must "n"!$se the effect of tr"nsient vo!t"%e di#s in the s$stem "nd identif$me"sures necess"r$ to "void #rob!ems ,ith

 H unintended tri##in% of fre.uenc$ converters H unintended dese!ectin% of thrusters from D/ contro! 'e)%) !oss of re"d$ si%n"! from

drives to D/@contro! s$stem( H unintended tri##in% of motors "nd other im#ort"nt com#onents+ !i&e "uBi!i"r$ s$stem

 #um#s 'tri##in% of motor st"rters "nd*or cont"ctors( H unintended "ctiv"tion of under vo!t"%e #rotection s$stems H DC contro! #o,er s$stems+ e)%) du"! feedin% throu%h diodes or "utom"tic ch"n%e@

over)

In re!"tion ,ith the "bove items+ function"!it$ must be chec&ed in order to verif$ the #otenti"! effect of this f"i!ure mode)The re.uirement is th"t the e.ui#ment not be!on%in% to the redund"nc$ %rou# direct!$"ffected b$ the f"i!ure sh"!! ride throu%h the tr"nsient #eriod "nd be immedi"te!$"v"i!"b!e+ ,ithout o#er"tor intervention+ ,hen the s$stem vo!t"%e is re@est"b!ished)7e"sures must be im#!emented "s found necess"r$ throu%h "n"!$sis)

 No short circuit [email protected] to verif$ the conc!usions)'Addition"!!$+ or "s "n "!tern"tive+ verific"tion of the "bove mentioned items m"$ "!so be

 b"sed on testin%) Such testin% shou!d be b"sed u#on non@destructive methods forsimu!"tin% the tr"nsient !o, vo!t"%e #eriod in the s$stem)(

 )ailure Modes: Minimum analysis and test requirement for DYNPOS-AUTR  and DPS 2 :

Page 41: Dynamic Positioning Systems RULES Ts607_2014-07 (1)

8/10/2019 Dynamic Positioning Systems RULES Ts607_2014-07 (1)

http://slidepdf.com/reader/full/dynamic-positioning-systems-rules-ts6072014-07-1 41/53

  'ules for "hips, (uly #)*+

  t.- h./ "ec.6 ower systems 3 age +*

DET NORSKE VERITAS AS

other's( b$ ,"terti%ht A@0< #"rtitions "ccordin% to Sec); 4<<) There sh"!! be " bus@tie bre"&er on e"ch sideof this #"rtition)

!( 4us@b"r contro! "nd #rotection s$stems sh"!! be desi%ned to ,or& ,ith both o#en "nd c!osed bus@tie bre"&ers)

Gui8ance n&%eB

This is not to be understood "s " re.uirement for h"vin% " technic"! s$stem confi%ur"tion for D/ b"sed u#on c!osed

 bus@tie's(+ "nd hence ,ith the "ddition"! re.uirements "s s#ecified in D)@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@

 

!? The on!ine #o,er reserve+ i)e) the difference bet,een on!ine %ener"tor c"#"cit$ "nd %ener"ted #o,er "t"n$ time+ sh"!! be dis#!"$ed in the m"in "nd b"c&@u# D/ contro! centre's() The indic"tion sh"!! be continuous!$"v"i!"b!e) For s#!it@bus #o,er "rr"n%ements+ indic"tions sh"!! be #rovided for individu"! bus sections)

F* C&n%r&l sys%e, p&>er supply1applies %& DYNPOS-AUT$ DYNPOS-AUTR, DYNPOS-AUTRO , DPS 1, DPS 2 an8 DPS 35

F "!! General

"!" The D/ contro!!ers+ o#er"tor st"tions+ #rinters*d"t" !o%%ers "nd me"surin% s$stems '/RSs "nd sensors(sh"!! be #o,ered from uninterru#tib!e #o,er su##!ies+ 'U/S() The "rr"n%ement "nd number of U/S sh"!! be in"ccord"nce ,ith T"b!e C= in Sec);)

"! The #o,er su##!$ for the inde#endent o$stic& s$stem sh"!! be inde#endent of the D/@contro! s$stemU/Ss)

"!- The b"tter$ inst"!!ed for e"ch U/S sh"!! be "b!e to #rovide out#ut #o,er "t m"Bimum !o"d for < minutes"fter !oss of ch"r%er in#ut #o,er) Loss of ch"r%er in#ut #o,er "nd U/S on b$#"ss #o,er sh"!! initi"te "n "!"rmin the D/@contro! s$stem)

Gui8ance n&%eB

Reference is %iven to m"in e!ectric"! ru!es) See /t)> Ch) Sec)2 for re!ev"nt ru!es for U/Ss)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

"!# For DYNPOS-AUTR "nd DPS 2 The in#ut #o,er su##!$ to the redund"nt U/Ss sh"!! be derived fromdifferent sides of the m"in s,itchbo"rd)

"!( For DYNPOS-AUTRO "nd DPS 3 The in#ut #o,er su##!$ to the redund"nt U/Ss for the m"in D/@contro! s$stem sh"!! be derived from different sides of the m"in s,itchbo"rd)

"!? U/S "nd b"tter$ su##!ies to other s$stems re!ev"nt for D/ sh"!! be derived from the s"me redund"nc$%rou# "s the s$stem's( bein% served)

"!. In %ener"! contro! s$stems "nd e.ui#ment sh"!! h"ve #o,er su##!$ from ,ithin the redund"nc$ %rou#the$ "re servin%) In c"se #o,er su##!$ is "rr"n%ed from more th"n one redund"nc$ %rou# s#eci"! "ttention must

 be #"id to the #otenti"! ris& of #ro#"%"tion of f"i!ure modes due to e)%) !"c& of discrimin"tion or due to under*overvo!t"%e "ffectin% more th"n one redund"nc$ %rou#) Se!ectivit$*b"rriers for re!ev"nt f"i!ure modes must bedocumented*verified ,hen such #o,er su##!$ is "rr"n%ed) This "##!ies es#eci"!!$ to DYNPOS-AUTRO "ndDPS 3 s$stems ,here su##!ies crossin% re.uired se#"r"tion b"rriers in %ener"! shou!d be "voided)

Page 42: Dynamic Positioning Systems RULES Ts607_2014-07 (1)

8/10/2019 Dynamic Positioning Systems RULES Ts607_2014-07 (1)

http://slidepdf.com/reader/full/dynamic-positioning-systems-rules-ts6072014-07-1 42/53

  'ules for "hips, (uly #)*+

  t.- h./ "ec.- 0uxiliary systems 3 age +#

DET NORSKE VERITAS AS

SECT9ON ? AU9@9AR2 S2STEMS

A* F&r DYNPOS-AUTR$ DYNPOS-AUTRO an8 DPS 3

A "!! General

"!" The "uBi!i"r$ s$stems+ servin% m"chiner$+ thrusters+ e!ectric"! com#onents "nd "!! other s$stems "ndcom#onents necess"r$ for su##!$in% the D/ s$stem ,ith #o,er "nd*or thrust+ sh"!! be "rr"n%ed in "ccord"nce,ith the redund"nc$ re.uirements "s %iven for these not"tions) See Sec); 4)

"! F"i!ure sh"!! be considered for "!! "ctive com#onents "s s#ecified in Sec); 4)

"!- For DYNPOS-AUTR See A;<<+ A<<+ A><< "nd A<< for s#ecific re.uirements to s#ecific s$stems)Un!ess other,ise s#ecified in these ru!es+ fiBed #i#in% m"$ be sh"red b$ com#onents desi%ned ,ithredund"nc$) See "!so Sec); 4<<)

"!# For DYNPOS-AUTRO "nd DPS 3 /i#in% for "!! s$stems re!ev"nt for D/ sh"!! be "rr"n%ed ,ith A@0<se#"r"tion+ "nd ,"terti%ht be!o, d"m"%e ,"ter!ine+ bet,een s$stems be!on%in% to different redund"nc$%rou#s) Cross@over #i#es "re "cce#t"b!e #rovided these c"n be c!osed "t both sides of se#"r"tin% bu!&he"ds)Venti!"tion ducts sh"!! not h"ve cross@over f"ci!ities) See "!so A;<<+ A><< "nd A<<)

A !! Speci'ic re+uire,en%s '&r 'uel &il!" For DYNPOS-AUTR The fue! oi! su##!$ sh"!! be "rr"n%ed ,ith fu!! se#"r"tion bet,een s$stems

 #rovidin% re.uired redund"nc$)

! For DYNPOS-AUTR There sh"!! be "t !e"st one service t"n& servin% e"ch redund"nc$ %rou#) Cross@over f"ci!ities m"$ be "rr"n%ed+ but must+ if "rr"n%ed+ be &e#t c!osed in norm"! o#er"tion)

!- For DYNPOS-AUTR, DYNPOS-AUTRO "nd DPS 3 If the fue! s$stem re.uires he"tin%+ then thehe"tin% s$stem sh"!! be desi%ned ,ith the "##ro#ri"te !eve! of redund"nc$ un!ess fue! ,hich do not re.uirehe"tin%+ "re "rr"n%ed so th"t the re.uirement in ;<= is fu!fi!!ed) Se#"r"tion b$ A@0< c!"ss division is re.uiredfor DYNPOS-AUTRO "nd DPS 3+ see A=<>)

A -!! Speci'ic re+uire,en%s '&r 'resh >a%er c&&ling

-!" For DYNPOS-AUTR Fresh ,"ter coo!in% s$stems #rovidin% the re.uired redund"nc$ sh"!! be "rr"n%ed

"s se#"r"ted s$stems+ in vie, of the ris& of severe !oss of ,"ter or "ccumu!"tion of %"s due to !e"&"%e)

Gui8ance n&%eB

Redund"nt s$stems for "ir conditionin% "nd contro! of "mbient tem#er"ture+ e)%) "ir condition units+ chi!!ers "nd1VAC+ m"$ sh"re common #i#in% for not"tion DYNPOS-AUTR)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

A #!! Speci'ic re+uire,en%s '&r pneu,a%ic sys%e,s

#!" For DYNPOS-AUTR, DYNPOS-AUTRO "nd DPS 3 /neum"tic s$stems in ,hich re!ev"nt f"i!uremodes m"$ render the re.uired redund"nc$ sh"!! be "rr"n%ed "s se#"r"ted s$stems) Se#"r"tion b$ A@0< c!"ssdivision is re.uired for DYNPOS-AUTRO "nd DPS 3+ see A=<>)

A (!! Speci'ic re+uire,en%s '&r 'ire 8a,pers an8 +uic= cl&sing /al/es

(!" For DYNPOS-AUTR  "nd DYNPOS-AUTRO Fire d"m#ers "nd .uic& c!osin% v"!ves ,hich u#on"ctiv"tion m"$ "ffect #o,er %ener"tion "nd*or thrust sh"!! be so "rr"n%ed th"t there is se#"r"te "ctiv"tion for e"ch redund"nc$ %rou#) As " minimum there sh"!! be se#"r"te "ctiv"tion in#ut devises "nd v"!ves 'in c"se the"ctiv"tion s$stem is #neum"tic( for e"ch redund"nc$ %rou#) Se#"r"tion b$ A@0< c!"ss division is re.uired for DYNPOS-AUTRO+ see A=<>)

6* Au7iliary sys%e,s '&r DPS 2

6 "!! General

"!" For c!"ss not"tion DPS 2 the "uBi!i"r$ s$stems sh"!! be b"sed on the s"me re.uirements "s %iven for DYNPOS-AUTR in A) "bove) 1o,ever+ b"sed on #ro#er F7EA+ st"tic com#onents !i&e coo!ers+ fi!ters "nd

 #i#in%*t"n&s m"$ be considered "s not f"i!in%+ "nd hence common st"tic com#onents m"$ be "cce#ted in fue!oi! s$stems+ fresh ,"ter coo!in% s$stems "nd #neum"tic s$stems)

Gui8ance n&%e "B

Reference is m"de to I7O 7SC*Circ)0> 5uide!ines for vesse!s ,ith d$n"mic #ositionin% s$stemsG+ #"rt ;););+d"ted 0 :une =>

Page 43: Dynamic Positioning Systems RULES Ts607_2014-07 (1)

8/10/2019 Dynamic Positioning Systems RULES Ts607_2014-07 (1)

http://slidepdf.com/reader/full/dynamic-positioning-systems-rules-ts6072014-07-1 43/53

  'ules for "hips, (uly #)*+

  t.- h./ "ec.- 0uxiliary systems 3 age +5

DET NORSKE VERITAS AS

For e.ui#ment c!"ss ;+ " !oss of #osition is not to occur in the event of " sin%!e f"u!t in "n$ "ctive com#onent or s$stem) Norm"!!$ st"tic com#onents ,i!! not be considered to f"i! ,here "de.u"te #rotection from d"m"%e is demonstr"ted+"nd re!i"bi!it$ is to the s"tisf"ction of the Administr"tion) Sin%!e f"i!ure criteri" inc!ude

)= An$ "ctive com#onent or s$stem '%ener"tors+ thrusters+ s,itchbo"rds+ remote contro!!ed v"!ves+ etc)()

); An$ norm"!!$ st"tic com#onent 'c"b!es+ #i#es+ m"nu"! v"!ves+ etc)( ,hich is not #ro#er!$ documented ,ith res#ectto #rotection "nd re!i"bi!it$)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

Gui8ance n&%e B

Reference is m"de to Sec); 4><<)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

Gui8ance n&%e -B

7"in c!"ss re.uirements to "uBi!i"r$ #i#in% s$stems "re found in /t)> Ch)0)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

Page 44: Dynamic Positioning Systems RULES Ts607_2014-07 (1)

8/10/2019 Dynamic Positioning Systems RULES Ts607_2014-07 (1)

http://slidepdf.com/reader/full/dynamic-positioning-systems-rules-ts6072014-07-1 44/53

  'ules for "hips, (uly #)*+

  t.- h./ "ec./ 2nvironmental regularity numbers 9this section applies to the D:N;"< series= 3 age ++

DET NORSKE VERITAS AS

SECT9ON . EN9RONMENTA@ REGU@AR9T2 NUM6ERS1TH9S SECT9ON A33@9ES TO THE DYNPOS- SER9ES5

A* C&ncep% 8escrip%i&n

A "!! General"!" The #osition &ee#in% "bi!it$ of the vesse! sh"!! be c"!cu!"ted "ccordin% to the conce#t of theenvironment"! re%u!"rit$ numbers+ here"fter c"!!ed ern*)

Gui8ance n&%e "B

Vesse!s th"t in their o#er"tion "dust the he"din% "utom"tic"!!$ to %ive minimum environment"! forces+ m"$ beeBem#ted)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

Gui8ance n&%e B

The ern* re#resents the st"tic b"!"nce of environment"! forces "nd thruster out#ut) ernJ is .u"ntified ,ith its b"sisin the ,e"ther st"tistics of " chosen !oc"tion in the North Se"+ the !oc"tion of the ,e"ther shi# 7G)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

Gui8ance n&%e -BEnvironment"! Re%u!"rit$ Numbers "##roved "ccordin% to this ru!e edition ,i!! be denoted ern* to ref!ect th"t theverific"tion h"s been #erformed "%"inst the more s#ecific "cce#t"nce criteri" introduced in A##endiB 4 of this ru!es)These more s#ecific "cce#t"nce criteri" ,ere first introduced in the :u!$ ;<= edition)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

"! A##endiB 4 of these ru!es out!ines "n eB#!"n"tor$ eB"m#!e on ho, to c"!cu!"te ern* "ccordin% to theru!es set out in this section) The resu!ts obt"ined b$ usin% this method ,i!! est"b!ish the minimum "cce#t"ncecriteri" for ev"!u"tin% ern*@c"!cu!"tions b"sed u#on other reco%nied methods) E.u"! or more conserv"tiveresu!ts 'i)e) !o,er ern*( obt"ined b$ use of other reco%nied methods ,i!! %ener"!!$ be "cce#ted)

Gui8ance n&%eB

The method must be understood "s " non@conserv"tive method for est"b!ishment of " minimum "cce#t"nce !eve!intended for benchm"r&in% b$ use of ern*) The resu!ts obt"ined "re not intended to be used in o#er"tion"! #!"nnin%

or desi%n s#ecific"tions)@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@

 

"!- The environment"! forces c"used b$ ,ind+ ,"ves+ "nd current sh"!! be c"!cu!"ted b$ reco%nised methods)A!tern"tive!$+ environment"! forces est"b!ished b$ mode! testin% ,i!! be considered)

"!# The  ern*  sh"!! "ssume coincident forces of ,ind+ ,"ves+ "nd current) 3ind "nd ,"ves sh"!! be

Ta0le A" ern* >in8 an8 >a/e s%a%is%ics

 % ',  s ( ,  s'm( "  6 'm/s( T7's(

;) <)00 =)>< )<

)< <)2 ;)= )<

=<)< =)< )< )<

;<)< =) >) >)=

<)< =)2 0);= )=><)< =) 2)> )2

<)< ;) )2> 0)

0<)< ;)0 =<)<= 2)

2<)< )< ==) )<

<)< ) =)== )<

<)< >); =) )<

)< >) =2)0< )<

2) ) =); )<

)< )0 =)< )<

) ) ;<) )<

)< 0)= ;=)= )<

The re!"tionshi# bet,een si%nific"nt ,"ve hei%ht 1s "nd = minute "ver"%e ,ind s#eed V= sh"!! be used forcom#ut"tion of the ern*)/'1s( is b"sed on d"t" from the reference oce"n "re")

Page 45: Dynamic Positioning Systems RULES Ts607_2014-07 (1)

8/10/2019 Dynamic Positioning Systems RULES Ts607_2014-07 (1)

http://slidepdf.com/reader/full/dynamic-positioning-systems-rules-ts6072014-07-1 45/53

  'ules for "hips, (uly #)*+

  t.- h./ "ec./ 2nvironmental regularity numbers 9this section applies to the D:N;"< series= 3 age +6

DET NORSKE VERITAS AS

considered "t m"%nitudes of e.u"! #rob"bi!it$+ see T"b!e A=) The current sh"!! be t"&en "s " const"nt v"!ue of <)2 m*s+ ,ithout differenti"tion of ,ind@induced "nd tid"! com#onents)

"!( The ern* is ev"!u"ted "t the incidence "n%!e of forces ,hich c"uses the m"Bimum !o"d on the vesse!) For monohu!! vesse!s ern* sh"!! be b"sed on the situ"tion ,ith the ,e"ther forces "ctin% concurrent!$ on the be"m)

Gui8ance n&%eB

The ern* is intended to ref!ect " W,orst c"se situ"tionX+ ,hich for monohu!! vesse!s norm"!!$ ,i!! be the situ"tion

,ith the ,e"ther on the be"m) The ern* ,i!! be b"sed on this situ"tion re%"rd!ess of the vesse!-s "bi!it$ to se!ect other he"din%s in o#er"tion)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

"!? The ern* is ev"!u"ted for " b"!"nce of forces ,hi!e the vesse! is m"int"inin% both #osition "nd he"din%)Thus there sh"!! "t the s"me time be " b"!"nce of forces "nd " b"!"nce of moments+ i)e) inc!udin% "!! moments%ener"ted b$ the thrusters+ "nd those c"used b$ environment"! forces)

"!. The form"t of the ern* sh"!! be " series of > inte%er numbers+ r"n%in% from < to ) Resu!ts must be s"meor eBceed numbers in the t"b!e to %et corres#ondin% ernJ) The ern* ,i!! be %iven in the re%ister "s inform"tionern* (a, b, c, d))

3here

 H  a The first number sh"!! re#resent o#tim"! use of "!! thrusters 'Tr"nsverse thrust %ener"ted b$ the

combined use of m"in #ro#e!!ers "nd rudders sh"!! not be t"&en into consider"tion)( H  b The second number sh"!! re#resent minimum effect of sin%!e@thruster f"i!ure H  c The third fi%ure sh"!! re#resent the m"Bimum effect sin%!e@thruster f"i!ure H  d The fourth number sh"!! re#resent the effect of the ,orst c"se sin%!e f"i!ure's(

Gui8ance n&%eB

The fourth number  d sh"!! re#resent the f"i!ure scen"rio resu!tin% in the !"r%est reduction of #osition "nd he"din%&ee#in% c"#"cit$ h"s occurred+ t$#ic"!!$ sto# of "!! e.ui#ment in the most im#ort"nt redund"nc$ %rou#) For not"tionsnot re.uirin% redund"nc$+ the fourth number d ,i!! be %iven "s ero+ <)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

"!; The ern* sh"!! be b"sed u#on the thrust out#ut th"t is under contro!+ in the most efficient contro! mode)

Gui8ance n&%eB

The c"!cu!"tions sh"!! be b"sed on desi%n dr"ft "nd m"$ be b"sed on the vesse! bein% in its most efficient D/ mode+e)%) no c"r%o "nd "!! dec& e.ui#ment in #"r&ed #osition)

Thrust out#ut sh"!! be the thrust "v"i!"b!e to be comm"nded b$ the D/@contro! s$stems) This im#!ies th"t e)%) thruster !osses+ thruster !imit"tions 'e)%) forbidden ones( or #o,er !imit"tions sh"!! be considered+ "s re!ev"nt+ for e"ch ern*c"se)

The side thrust b"!"nce m"$ be o#timied b$ %ener"tin% " suit"b!e $",in% moment) An eB"m#!e of this is usin% them"in #ro#e!!ers for %ener"tin% " moment cou#!e ,ith o##osin% thrust out#uts) This is "cce#ted for the ern*+ #rovidedth"t the contro! is eBecuted "utom"tic"!!$+ ,ith s"tisf"ctor$ b"!"nce of !on%itudin"! thrust)

Side force %ener"ted b$ the combined use of " rudder "nd " #ro#e!!er ,i!! be t"&en into "ccount for the ern* ,henthis contro! mode is inc!uded in the D/@contro! s$stem+ eBce#t for the first number) See Sec)>)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

Page 46: Dynamic Positioning Systems RULES Ts607_2014-07 (1)

8/10/2019 Dynamic Positioning Systems RULES Ts607_2014-07 (1)

http://slidepdf.com/reader/full/dynamic-positioning-systems-rules-ts6072014-07-1 46/53

  'ules for "hips, (uly #)*+

  t.- h./ 0pp.0 4echnical system configurations based on closed bus<ties for D:N;"<0!4'; and D" 5 3 age +-

DET NORSKE VERITAS AS

A33END9 A TECHN9CA@ S2STEM CONF9GURAT9ONS 6ASED ONC@OSED 6US4T9ES FOR D2N3OS4AUTRO AND D3S -

A* Special c&nsi8era%i&ns '&r D2N3OS4AUTRO an8 D3S - 0ase8 &n cl&se8 0us4%ies

A "!! General"!" A##rov"! of technic"! s$stem confi%ur"tions ,here %ener"tors in different redund"nc$ %rou#s "rerunnin% in #"r"!!e! is to be s#eci"!!$ "%reed u#on "nd ,i!! be considered "s "ddition"! ,or&)

"! The vesse!s sh"!! in "ddition to the c!osed bus@ties mode h"ve "t !e"st one s#ecified technic"! s$stemconfi%ur"tion b"sed u#on o#en bus@ties bet,een "!! e!ectric"! #o,er %ener"tion s$stems be!on%in% to thedifferent redund"nc$ %rou#s)

"!- The definition of re!ev"nt sin%!e f"i!ures sh"!! h"ve no !imit"tions "nd "re to be "ddressed in the "##rov"! #rocess "nd durin% testin%)

"!# For o#er"tion ,ith c!osed bus@ties the #o,er s$stem sh"!! be "rr"n%ed ,ith bus@tie bre"&ers to se#"r"te"utom"tic"!!$ u#on f"i!ures ,hich cou!d be tr"nsferred from one s$stem to "nother)

"!( The inte%rit$ !eve! sh"!! be com#"r"b!e to " s$stem b"sed on o#en bus@ties in order to minimie the

residu"! #rob"bi!it$ for f"i!ure #ro#"%"tion) /rotective functions must be inst"!!ed in order to "chieve there.uired e.uiv"!ent inte%rit$ !eve!)

"!? The verific"tion sh"!! be b"sed u#on "##rov"! of "ddition"! document"tion '"s com#"red to s$stems b"sed on o#en bus@ties( inc!udin% thorou%h c!osed bus@tie "n"!$sis+ c"!cu!"tions "nd d$n"mic com#uter simu!"tions of the #o,er s$stem in norm"! o#er"tion "nd durin% "!! re!ev"nt f"i!ure conditions) In "ddition !ivetestin% of f"i!ure modes inc!udin% e)%) short circuits+ e"rth f"u!ts+ "utom"tic vo!t"%e re%u!"tors f"u!ts+ en%ine%overnor f"u!ts "nd other severe f"u!ts sh"!! be #erformed)

Gui8ance n&%e "B

Reference is m"de to DNV@R/@D=<; F"i!ure 7ode "nd Effect An"!$sis 'F7EA( of Redund"nt S$stemsG A##endiBD+ for discussion on the subect "nd eB"m#!es of re!ev"nt f"i!ure modes)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

Gui8ance n&%e B

It is utmost im#ort"nt th"t the desi%n is bui!t "nd #re#"red for the re.uired !ive testin% of severe f"i!ure modes both "tthe ne, bui!din% st"%e "nd "t rene,"! tri"!s durin% the vesse!s entire o#er"tion"! !ife time) It must be understood th"tin order to "chieve this+ the desi%n ,i!! re.uire inst"!!"tion of "ddition"! e.ui#ment "nd s$stems inc!udin% e)%)"dv"nced #rotective s$stems for %ener"tors "nd s,itchbo"rd)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

Gui8ance n&%e -B

The ne%"tive effects of hidden f"i!ures sh"!! be #revented) This "##!ies both for h"rd,"re "nd soft,"re) 1iddenf"i!ures for "!! com#onents "nd s$stems must be considered) This ,i!! re.uire eBtensive use of se!f@di"%nostics) Se!f@di"%nostics sh"!! not be considered to miti%"te "!! hidden f"i!ures+ due to this du#!ic"tion "nd redund"nc$ ,i!! bere.uired)

Due to this #rotection "nd s"fet$ s$stems must h"ve b"c&@u#) This me"ns th"t if the first "ction #erformed b$ the #rotection s$stem does not remove the f"i!ure or is not #erformed 'due to hidden f"i!ure(+ then the b"c&@u# s$stemsh"!! eBecute "!tern"tive "ctions to iso!"te the f"u!t$ com#onent or s$stem) After "ctiv"tion of the b"c&@u# #rotection+the conse.uence of the f"i!ure must sti!! be in !ine ,ith the over"!! redund"nc$ desi%n intent)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

Gui8ance n&%e #B

7ore det"i!ed inform"tion on re.uirements for document"tion+ c"!cu!"tions+ d"t" simu!"tions "nd testin% c"n be #rovided on re.uest)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

"!. 3hen %ener"tors in different redund"nc$ %rou#s "re runnin% in #"r"!!e!+ b!"c&@out recover$ on individu"!s,itch@bo"rd sections b$ st"rtin% of %ener"tors "nd recover$ of fu!! "utom"tic thruster contro! from D/ sh"!!

 be #ossib!e) The D/@contro! s$stems sh"!! receive thruster re"d$ si%n"!s ,ithin m"Bimum > seconds "fter  b!"c&@out)

Page 47: Dynamic Positioning Systems RULES Ts607_2014-07 (1)

8/10/2019 Dynamic Positioning Systems RULES Ts607_2014-07 (1)

http://slidepdf.com/reader/full/dynamic-positioning-systems-rules-ts6072014-07-1 47/53

  'ules for "hips, (uly #)*+

  t.- h./ 0pp.> alculation of environmental regularity numbers < ern? 9explanatory example= 3 age +/

DET NORSKE VERITAS AS

A33END9 6 CA@CU@AT9ON OF EN9RONMENTA@ REGU@AR9T2NUM6ERS 4 ERN* 1E3@ANATOR2 EAM3@E5

A* 9n%r&8uc%i&n

A "!! General"!" This "##endiB is out!inin% "n eB#!"n"tor$ eB"m#!e on ho, to c"!cu!"te ern* "ccordin% to the ru!es setout in section 2) The method must be "!so understood "s " non@conserv"tive method for est"b!ishment of "minimum "cce#t"nce !eve! intended for benchm"r&in% b$ use of ern*)

Gui8ance n&%e "B

The resu!ts obt"ined "re not intended to be used in o#er"tion"! #!"nnin% or desi%n s#ecific"tions)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

Gui8ance n&%e B

Environment"! Re%u!"rit$ Numbers "##roved "ccordin% to this ru!e edition ,i!! be denoted ern* to ref!ect th"t theverific"tion h"s been #erformed "%"inst the more s#ecific "cce#t"nce criteri" introduced in A##endiB 4 of this ru!es)These more s#ecific "cce#t"nce criteri" ,ere first introduced in the :u!$ ;<= edition)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

6* En/ir&n,en%

6 "!! En/ir&n,en%

"!" The c"!cu!"tions sh"!! "ssume coincident ,ind+ ,"ve "nd current direction on the be"m)

"! The c"!cu!"tions sh"!! "ssume current of <)2 m*s)

"!- The c"!cu!"tions sh"!! "ssume the re!"tionshi# bet,een ern*  number+ ,ind s#eed+ si%nific"nt ,"vehei%ht "nd ero u# crossin% fre.uencies "s %iven in t"b!e A;)=)

"!# For ,"ve drift forces " !on% crested :ONS3A/ ,"ve s#ectrum ,ith %"mm" )+ si%Y" <)<2+ si%Yb <)<"ccordin% to DNV R/ C;< )) Environment"! conditions "nd environment"! !o"dsG sh"!! be used) T# =);0 TK)

"!( The ,ind "nd current sh"!! be "ssumed to be vertic"!!$ uniform!$ distributed)

"!? Resu!ts must be s"me or eBceed numbers in the t"b!e to %et corres#ondin% inte%er ern*)Gui8ance n&%eB

I)e) if resu!ts sho, th"t the vesse! "re "b!e to ,ithst"nd ;<)0 m*s ,ind s#eed "nd ) m si%nific"nt ,"ve hei%ht theern* is bec"use resu!ts "re hi%her th"n =) m*s "nd )0 m "nd !o,er th"n ;=)= m*s "nd 0)=m+ res#ective!$)

Ta0le 6" ern* >in8 an8 >a/e s%a%is%ics

 %',s(8ern*  "6'm/s( ,s'm( T7's(

;) =)> <)00 )<

;)= <)2 )<

=< ) = )<

 ;< >) =) >)=

< 0);= =)2 )=

>< 2)> =) )2

< )2> ;) 0)

0< =<)<= ;)0 2)

2< ==) )<

< =)== ) )<

< =) >); )< =2)0 >) )<

2) =); ) )<

=) )0 )<

) ;<) ) )<

;=)= 0)= )<

The re!"tionshi# bet,een si%nific"nt ,"ve hei%ht 1s+ T "nd = minute "ver"%e ,ind s#eed V= sh"!! be usedfor com#ut"tion of the ern*) /'1s( is b"sed on d"t" from the reference oce"n "re"

Page 48: Dynamic Positioning Systems RULES Ts607_2014-07 (1)

8/10/2019 Dynamic Positioning Systems RULES Ts607_2014-07 (1)

http://slidepdf.com/reader/full/dynamic-positioning-systems-rules-ts6072014-07-1 48/53

  'ules for "hips, (uly #)*+

  t.- h./ 0pp.> alculation of environmental regularity numbers < ern? 9explanatory example= 3 age +7

DET NORSKE VERITAS AS

/!e"se refer to Sec)2 A=<2 for the form"t of the ern*)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

"!. 3ind+ current "nd ,"ve forces sh"!! be b"!"nced b$ the effective thruster forces in order to "chieve thecorres#ondin% ern*)

C* En/ir&n,en%al l&a8s

C "!! General

"!" 7u!tihu!!s "re not covered b$ this section) Re!ev"nt d"t" shou!d be su##!ied b$ the m"nuf"cturer of theunit)

"! For monohu!! vesse!s the environment"! forces sh"!! be c"!cu!"ted ,ith the method described in thissection)

"!- Mero for,"rd s#eed+ desi%n dr"ft "nd even &ee! sh"!! be used) The most f"vor"b!e o#er"tin% mode c"n beused) /roected "re"s sh"!! inc!ude ever$thin% on the vesse! "s if the "re" ,"s c"!cu!"ted from " #icture)

Gui8ance n&%eB

5ener"! "rr"n%ement dr",in%s "re often " %ood b"sis)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

"!# =Sur%e forces sh"!! be set to ero)

"!( The $", moment sh"!! be determined b"sed on the "tt"c& #oint of the s,"$ force)

"!? The forces+ moments "nd thruster !oc"tions sh"!! be %iven in " ri%ht h"nded coordin"te s$stem ,ith B #ointin% for,"rd+ $ #ointin% to #ort "nd u#,"rds) The ori%in sh"!! be "t L##*;+ center !ine+ ,"ter !ine)

C !! Win8 l&a8s

!" The s,"$ force from ,ind !o"ds sh"!! be c"!cu!"ted ,ith the fo!!o,in% formu!"

The #oint of "tt"c& sh"!! be in the "re" center of the #roected !on%itudin"! "re" "bove ,"ter)

C -!! Curren%

-!" The s,"$ force from current !o"ds sh"!! be c"!cu!"ted ,ith the fo!!o,in% formu!"

The #oint of "tt"c& sh"!! be in the "re" center of the #roected !on%itudin"! "re" be!o, ,"ter)

C #!! Wa/es

#!" 3"ve drift forces sh"!! be c"!cu!"ted ,ith the fo!!o,in% e.u"tions

$ d9I! <)

 #I! #roected !on%itudin"! "re" '#roected in sur%e@he"ve #!"ne( "bove ,"ter)

 ρ  #I- =);;0 &%*m

$ d9$urrent  <)2

 #$urrent  #roected !on%itudin"! "re" '#roected in sur%e@he"ve #!"ne( be!o, ,"ter)

  ρ #T- =<;0 &%*m

 = 12

 

2

  ,

   

  = 12 2   ,   

  = 2 ∞

=0

 

Page 49: Dynamic Positioning Systems RULES Ts607_2014-07 (1)

8/10/2019 Dynamic Positioning Systems RULES Ts607_2014-07 (1)

http://slidepdf.com/reader/full/dynamic-positioning-systems-rules-ts6072014-07-1 49/53

  'ules for "hips, (uly #)*+

  t.- h./ 0pp.> alculation of environmental regularity numbers < ern? 9explanatory example= 3 age +8

DET NORSKE VERITAS AS

3here 2 'ω ( is the ,"ve s#ectrum "s function of fre.uenc$ "nd the ARO is defined "s

3here T 33 is the he"ve reson"nt #eriod+ 7 is the vesse! m"ss+ "nd  #; is the ,"ter #!"ne "re")

3here 4 is the vesse! ,idth)

3here L is the dist"nce bet,een the foremost "nd "ft most #oint on the hu!! be!o, the free surf"ce)

/oint of "tt"c& "re" center of under ,"ter hu!!)

D* Thrus%ers

D "!! General

"!" 3"ter ets "nd c$c!oid #ro#u!sors "re not covered b$ this section) Re!ev"nt d"t" shou!d be su##!ied b$the m"nuf"cturer of the units)

"! The "v"i!"b!e thrust force from the thrusters sh"!! be c"!cu!"ted "s

3here T  ffective is the Effective thrust+ T  !ominal  is the Nomin"! thrust "nd  β T  is the thrust !oss f"ctor)

"!- The nomin"! thrust sh"!! be c"!cu!"ted from the fo!!o,in% formu!"

"!# 3here nomin"! thrust 'T  !ominal ( is thrust ,ith no ,ind+ ,"ves or current #resent+ D is #ro#e!!er di"meter in meter+ / is the #o,er "##!ied to the #ro#e!!er in &3)

/o,er "##!ied to the #ro#e!!er bre"& #o,er Z mech"nic"! efficienc$

"!( 3here the bre"& #o,er %  < is the 7CR bre"& #o,er "v"i!"b!e in D/ mode*bo!!"rd #u!! i)e) t"&in% #o,er "nd tor.ue !imit"tions etc) into "ccount) The bre"& #o,er of the #ro#u!sion motor sh"!! be considered) η  M  isthe mech"nic"! efficienc$)

1 = 0.!! 

!! = 2"# 1.$%!!

 !! = .$1 '  

2(  = 1.22!! 

2)  = # $"*.$1 

2 = +-2( , 2)  

= 0./ .$1' 

  =  , 34 5 11 6 2 6 2, 34 1 5 5 2

0, 34 7 2 

= 2"  

3389:   = 4;9(<  

4;9(<   = >1>2>! ? @2 !A 

@ = @*>% 

Page 50: Dynamic Positioning Systems RULES Ts607_2014-07 (1)

8/10/2019 Dynamic Positioning Systems RULES Ts607_2014-07 (1)

http://slidepdf.com/reader/full/dynamic-positioning-systems-rules-ts6072014-07-1 50/53

  'ules for "hips, (uly #)*+

  t.- h./ 0pp.> alculation of environmental regularity numbers < ern? 9explanatory example= 3 age 6)

DET NORSKE VERITAS AS

"!? The thrust !oss f"ctor  β T  "ccounts for "!! &inds of thrust !osses 'thruster@thruster+ thruster@hu!!+ v"ri"b!einf!o,+ venti!"tion+ thrust deduction+ tunne! !en%th+ %rid+ in!et !osses etc)() This v"!ue is set to be <)<) This is"ssumed to be non@conserv"tive)

The η = is %iven in t"b!e 4); be!o,

The η ; is %iven in t"b!e A;) be!o,

Gui8ance n&%eB

Reversed thrust is to be understood "s the thrust ,hen the #ro#e!!er is rot"tin% o##osite of its desi%n@direction)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

The η  sh"!! be <)2 un!ess it c"n be documented th"t tor.ue !imit"tions "re "ccounted for in /) In th"t c"se η sh"!! be =)<)

The mech"nic"! efficienc$ η 7 is %iven in t"b!e 4)> be!o,

E* Ru88ers

E "!! General

"!" The effect of rudder sh"!! be "ccounted for ,ith the fo!!o,in% e.u"tions

3here α  is the rudder "n%!e in de%rees) For rudder "n%!e "bove < de%) v"!ues "t < de%) sh"!! be used)

The !ift "nd dr"% coefficients $  =  "nd $ 1  "re %iven "s

3here <r  is the cord !en%th of the rudder behind the sh"ft "nd D is the #ro#e!!er di"meter) The v"!ue of  <r  inthe c"!cu!"tions is !imited to =)<D) The rudder must cover the fu!! #ro#e!!er hei%ht)

The f"ctors + =

+ + ;

+ "nd + 

 is to be t"&en from DNV ru!es for shi#s /t) Ch) Sec); D=<=)

Ta0le 6* η "

η 6Aimuths+ #ods "nd sh"ft !ine #ro#e!!ers <<

Tunne! thrusters <<

Contr"@rot"tin% #ro#e!!ers <

Ducted "imuths+ #ods "nd sh"ft !ine #ro#e!!ers =;<<

Ta0le 6*- η 

η 4Tunne! thrusters =)<

For,"rd thrust from other t$#e of thrusters ,ith "nd ,ithout duct =)<

Reversed thrust from other t$#e of thrusters ,ithout duct <)

Reversed thrust from other t$#e of thrusters ,ith duct <)2

Ta0le 6*# ,echanical e''iciency

η  M 

Tunne! thrusters "nd "imuths <+

Sh"ft !ine #ro#e!!ers <)2

/ods <)

B   = 3389: 1 6  CD 

E(F   = 3389: GD 

 C  = 0.HG 

G = 0.01012! *  

Page 51: Dynamic Positioning Systems RULES Ts607_2014-07 (1)

8/10/2019 Dynamic Positioning Systems RULES Ts607_2014-07 (1)

http://slidepdf.com/reader/full/dynamic-positioning-systems-rules-ts6072014-07-1 51/53

  'ules for "hips, (uly #)*+

  t.- h./ 0pp.> alculation of environmental regularity numbers < ern? 9explanatory example= 3 age 6*

DET NORSKE VERITAS AS

F* Thrus% all&ca%i&n

F "!! General

"!" The thrust "!!oc"tion sh"!! be "chiev"b!e b$ the D/@contro! s$stem) Forbidden ones etc) "ffectin% theern* c"!cu!"tion sh"!! be s#ecified in the ern* re#ort)

Gui8ance n&%eB

Forbidden ones th"t ,i!! "ffect the ern* c"ses ',e"ther forces on the be"m( sh"!! be considered) This cou!d t$#ic"!!$ be e)%) "n "imuth thrustin% in to the s&e%*rudder*,or&in% thruster)

@@@e@n@d@@@of@@@5@u@i@d@"@n@c@e@@@n@o@t@e@@@ 

"! /o,er !imit"tions sh"!! be "ccounted for) The most f"vor"b!e o#er"tin% mode c"n be used) This sh"!! bein "ccord"nce ,ith the #o,er consum#tion b"!"nce+ ref) Sec)= T"b!e D=)

G* Ta0les '&r speci'ica%i&n &' hull an8 %hrus%er 8a%a

G "!! General

"!" T"b!e 4) "nd t"b!e 4)0 sh"!! be fi!!ed in ,ith the re.uested vesse! s#ecific d"t" "nd submitted to%ether ,ith the ern*@c"!cu!"tions)

Ta0le 6*( Hull 8a%a

Len%th over "!! m

Len%th bet,een #er#endicu!"rs m

Dist"nce bet,een the foremost "nd "ft most #oint on the hu!! be!o, the free surf"ce "t desi%n dr"fteven &ee!)

m

Desi%n dr"ft m

7"Bimum bre"dth "t ,"ter !ine m

7"ss "t desi%n dr"ft tonne

3"ter #!"ne "re" m;

/roected !on%itudin"! "re" '#roected in sur%e@he"ve #!"ne( "bove ,"ter m;

Sur%e #osition of "re" center of the #roected !on%itudin"! "re" "bove ,"ter ,ith res#ect to L##*; m

/roected !on%itudin"! "re" '#roected in sur%e@he"ve #!"ne( be!o, ,"ter m;Sur%e #osition of "re" center of the #roected !on%itudin"! "re" be!o, ,"ter ,ith res#ect to L##*; m

Side vie, #icture "tt"ched '8es*No( @

Front vie, #icture "tt"ched '8es*No( @

Ta0le 6*? Thrus%er 8a%a

 %arameter Thr. 6 Thr. 4 Thr. 3 Thr. 5 Thr. > Thr. ? Thr. Thr. A Thr. B Thr. 6C

T$#e '7"&es n"me(

7"B) #o,er consum#tion&3

7"B) #o,er consum#tion inD/* bo!!"rd #u!!+ i)e) ,ithtor.ue "nd #o,er!imit"tions)&3

Di"meter m

T$#e of thruster 'Sh"ft !ine+"imuth+ #od+ tunne! thruster+,"ter et+ c$c!oid(

FiBed #itch 'F//( orContro!!"b!e #itch 'C//(

Ducted '8es*No(

Contr" rot"tin% '8es*No(

Page 52: Dynamic Positioning Systems RULES Ts607_2014-07 (1)

8/10/2019 Dynamic Positioning Systems RULES Ts607_2014-07 (1)

http://slidepdf.com/reader/full/dynamic-positioning-systems-rules-ts6072014-07-1 52/53

  'ules for "hips, (uly #)*+

  t.- h./ H0N12" 3 HI"4;'I 3 age 6#

DET NORSKE VERITAS AS

CHANGES – H9STOR9C

 Note th"t historic ch"n%es o!der th"n the editions sho,n be!o, h"ve not been inc!uded) O!der historic ch"n%es'if "n$( m"$ be retrieved throu%h htt#**,,,)dnv)com)Note th"t historic ch"n%es o!der th"n the editions sho,n

 be!o, h"ve not been inc!uded) O!der historic ch"n%es m"$ be obt"ined throu%h htt#**,,,)dnv)com)

July !"- e8i%i&n

Main Changes c&,ing in%& '&rce " January !"#

) General

The Ru!es h"ve been u#d"ted in order to

 H &ee# u# ,ith the industr$ in the fie!d of D$n"mic /ositionin% S$stems H %ive re.uirements "nd %uid"nce re%"rdin% redund"nt d$n"mic #ositionin% s$stem b"sed u#on c!osed bus@

tie o#er"tion)

) Sec* " General Re+uire,en%s

 H S#ecific"tion of document"tion "nd test re.uirements for u#%r"des to "nd bet,een DNV DYNPOS@series

"nd DNV DPS@series not"tions h"ve been st"ted) H Definitions for hidden f"i!ure+ redund"nc$ desi%n intent+ technic"! s$stem confi%ur"tion+ time re.uirement+

,orst c"se sin%!e f"i!ure desi%n intent "nd one h"ve been "dded) H EBem#tion for certific"tion for T$#e A##roved thruster contro! mode se!ection s$stems is introduced) H Re.uirements for the fo!!o,in% document"tion h"ve been introduced

 H D/ desi%n #hi!oso#h$ document "nd H Conse.uence An"!$sis function"! descri#tion)

 H Fire "nd f!oodin% se#"r"tion #!"n h"ve been s#ecified in more det"i!s) H S#ecific"tion th"t test se!ection sh"!! cover "!! s#ecified technic"! s$stem confi%ur"tions re!ev"nt for D/

"##rov"!) H 4etter s#ecific"tion of ,hen the vesse! c"n be considered re"d$ for testin% of the D/ s$stem h"s been %iven)

) Sec* General Arrange,en% H Re.uirement for s#ecific"tion of redund"nc$ desi%n intent's( "nd ,orst c"se f"i!ure desi%n intent's( b"sed

on s#ecified redund"nc$ %rou#s "nd technic"! s$stem confi%ur"tion's( h"ve been introduced) H Im#roved %uid"nce on the inter#ret"tion of the term runnin% m"chiner$ h"ve been #rovided) H Re.uirement for du"! feedin% of thrusters for redund"nt not"tions h"s been #rovided) H The ,ordin% h"ve been im#roved "nd "ddition"! %uid"nce to the re.uirements to se#"r"tion of s$stems "nd

e.ui#ment be!on%in% to different redund"nc$ %rou#s h"ve been #rovided) The #ossibi!it$ for runnin%c"b!es be!on%in% to different redund"nc$ %rou#s to%ether ,ithin the s"me A@0< c"b!e duct h"s beenremoved)

 H The #ossibi!it$ to b"se he"din% in#ut u#on other #rinci#!es th"n %$ro h"s been introduced) Acce#t"nce ,i!! be m"de u#on s#eci"! consider"tions)

 H The #ossibi!it$ to re#!"ce the #rinter b$ " se#"r"te e!ectronic d"t" !o%%er ,ith redund"nt d"t" stor"%e h"s been introduced)

 H 7ore det"i!ed %uid"nce note h"s been %iven for desi%n of D/ contro! centre) H For DYNPOS-AUTRO "nd DPS 3 vesse!s th"t c"rr$ out D/ o#er"tions ,here the D/ o#er"tors vie, of the ,or&in% "re" is not considered to be "bso!ute necess"r$ #rovided " sufficient!$ f"u!t to!er"nt CCTVs$stem)

 H The ,ordin% in the re.uirements for o$stic&@*thruster@contro! communic"tion !in&s to be inde#endent fromD/ h"s been stren%thened)

 H Re.uirements to "rr"n%ement "nd !"$out of emer%enc$ sto# s$stems for redund"nt not"tions h"ve beense#"r"te!$ s#ecified)

) Sec* - C&n%r&l Sys%e,s

 H For DYNPOS-AUTRO "nd DPS 3 it h"s been s#ecified th"t the #osition reference s$stems connected tothe b"c&@u# D/@contro! s$stem sh"!! "!so be "v"i!"b!e for use b$ the m"in D/@contro! s$stems+ b$connections not vio!"tin% the se#"r"tion re.uirements)

 H It h"s been s#ecified th"t the conse.uence "n"!$sis must t"&e !imit"tions in "v"i!"b!e #o,er "nd*or thrustre!ev"nt for the ,orst c"se sin%!e f"i!ure conditions into consider"tion)

Page 53: Dynamic Positioning Systems RULES Ts607_2014-07 (1)

8/10/2019 Dynamic Positioning Systems RULES Ts607_2014-07 (1)

http://slidepdf.com/reader/full/dynamic-positioning-systems-rules-ts6072014-07-1 53/53

  'ules for "hips, (uly #)*+

  t.- h./ H0N12" 3 HI"4;'I 3 age 65

) Sec* # Thrus%er Sys%e,s

 H Re.uirement for rudder out of ero "!"rm h"s been s#ecified)

) Sec* ( 3&>er Sys%e,s

 H For "!! not"tion re.uirin% redund"nc$ it h"s been s#ecified th"t the #o,er s$stem sh"!! be #re#"red for bein%run ,ith o#en bus@ties bet,een #o,er s$stems be!on%in% to different redund"nc$ %rou#s in "t !e"st one

technic"! s$stem confi%ur"tion) H Ru!es for "cce#t"nce of technic"! s$stem confi%ur"tions b"sed on c!osed bus@tie's( h"ve been m"de more

s#ecific "nd better %uid"nce h"s been #rovided) In "ddition these ru!es h"ve been %"thered in " se#"r"te #"rtof this section)

 H It h"s been s#ecified th"t contro! s$stems "nd e.ui#ment sh"!! h"ve #o,er su##!$ from ,ithin theredund"nc$ %rou# the$ "re servin%)

) Sec* ? Au7iliary Sys%e,s

 H For DYNPOS-AUTRO  "nd DPS 3 Re.uirements for se#"r"tion of "uBi!i"r$ s$stems be!on%in% todifferent redund"nc$ %rou#s h"ve been s#ecified better)

 H Ru!es for "rr"n%ement of fue! oi! .uic& c!osin% v"!es h"ve been %iven)

) Sec* . En/ir&n,en%al Regulari%y Nu,0ers 1This sec%i&n applies %& %he DYNPOS- series5

 H 5uid"nce h"s been introduced to better eB#!"in ,hich mode's( c"#"bi!it$ #!ots "nd environment"!re%u!"rit$ numbers 'ern( c"n be b"sed u#on "nd s#ecific"tion th"t these sh"!! be b"sed u#on "ctu"!"v"i!"b!e thrust "nd #o,er)

) Appen8i7 A Technical Sys%e, C&n'igura%i&ns 0ase8 &n Cl&se8 6us4Ties '&r D2N3OS4AUTRO an8D3S -D

 H Ne, "##endiB)

) Appen8i7 6 Calcula%i&n &' En/ir&n,en%al Regulari%y Nu,0ers 4 ern 1E7plana%&ry E7a,ple5

 H Ne, "##endiB) EB"m#!e on ho, to c"!cu!"te ern) The resu!ts obt"ined b$ usin% this method must beunderstood "s non@conserv"tive minimum "cce#t"nce criteri" for ev"!u"tin% ern  b"sed u#on other reco%nied methods)

July !"" e8i%i&nB

A,en8,en%s January !"

) Sec* General Arrange,en%

 H In T"b!e C; " t$#o%r"#hic"! error h"s been corrected in the he"din% ro,s)

Main changes c&,ing in%& '&rce " July !""

) Sec*" General Re+uire,en%s

 H In T"b!e D= References to document"tion t$#e M<< 9 S$stem "rr"n%ement #!"nG "nd M<;< 9 Loc"!"rr"n%ement #!"nG h"ve been "mended to re"d M<< 9 Arr"n%ement #!"nG)

) Sec*# Thrus%er Sys%e,s

 H A><> h"s been u#d"ted re%"rdin% emer%enc$ sto# of m"in #ro#e!!ers for thrusters of DPS@series) H Added ne, 5uid"nce note to A><> to sho, re.uirement to /o,er T"&e Off '/TO( @ ste# u# %e"rs !oc"tion)