Part F - Particular Spec Civil (Astana-Sejingkat Substation)

8/9/2019 Part F - Particular Spec Civil (Astana-Sejingkat Substation)

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DRAFTSARAWAK ENERGY BERHADASTANA 132kV SUBSTATION ESTABLISHMENT AND SEJINGKAT 132kV SUBSTATION EXTENSIONPROJECTVOLUME 2 PART E: PARTICULAR SPECIFICATION FOR BUILDING AND CIVIL WORKS

PART E PARTICULAR SPECIFICATION FOR CIVIL WORKS

1! PARTICULAR CIVIL RE"UIREMENTS#

* The information given in this section shall only be a guideline to theContract. Contractor shall be fully aware and responsible for the actualrequirement of the Contract.

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In general the scope of civil work for the supply and services to be provided bythe Contractor shall include procurement, construction and put to use of allnecessary facilities required for the proper performance of the Works or asspecied but shall not be limited to the following!"

A A*+,-, 132kV S./*+,+0%- E*+,/0*'-+

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P00-4 W%)k* (%) 132kV GIS C%-+)% B.050-4*9 , %.+5%%)

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B S'0-4k,+ 132kV S./*+,+0%- E+'-*0%-

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S0+' C%-50+0%-*

0or the purpose of tendering, Tenderer may request for available geotechnicalinformation for the areas near the %ite. Tenderer is to obtain informationthrough its own direct investigation rather than depend on secondary

information or source. The interpretation of any eisting information shall bethe sole responsibility of the Tenderer.

The Tenderer shall visit the eisting %e1ingkat 2 3stana substation sites andsatisfy himself with regards to the site conditions, prior to submitting histender, as no claims will later be entertained on grounds of ignorance due tothe nature of work involved.

A A*+,-, 132kV S./*+,+0%- E*+,/0*'-+

%ince 3stana &4'k5 %ubstation 6stablishment site is an abandoned eisting%ubstation site, the Contractor demolish all of the obstructions including theeisting uildings, all switchyard equipment foundations and allinfrastructures. The eisting concrete piles found on site to be left intact. The6.7. must be informed of the eisting piles found on site a8ecting theeecution of the works. The Contractor should take into account the timetaken for the 6.7. to issue instructions 9if needed: into their work programme ifthe Works are a8ected by the eisting concrete piles.

B S'0-4k,+ 132kV S./*+,+0%- E+'-*0%-

The %e1ingkat &4'k5 %ite is an etension works of the eisting switchyard. -ue

to this nature of the Works, the Contractor should include the costing ofinterfacing, coordination and where necessary, integration with eistinginstalled and commissioned systems, facilities, utilities and associatedinfrastructure. 3ll of the eisting infrastructures and facilities within theeisting sub"station boundary a8ected by the Works to be make good by theContractor under his+her own epenses.

S.)6'7 S'++0-4>O.+

The Contractor shall be solely responsible for all necessary boundary pegsurvey, setting"out, establishment of recovery pegs, additional reference pegswhere necessary and leveling on site; and shall employ eperienced andqualied surveyors and+or planners acceptable to the 6ngineer for thispurpose.

3ny error in setting"out is to be rectied by the Contractor at his ownepenses. 7eference pegs indicating the top of earthworks cut or the toe of llshall be provided and clearly marked. 3ll structural levels shall be referred toan established bench mark not sub1ected to subsidence or interference. TheContractor shall give the 6ngineer at least ' hours prior notice in writing thathe intend to set out or levels for any part of the Works, to enable the

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6ngineer to arrange for checking the name. Works shall be suspended duringthe checking and the Contractor shall carefully preserve any works made bythe 6ngineer.

The Contractor shall, as soon as practical, supply the 6ngineer with records inapproved form related to all reference pegs and bench marks, and keep such

records updated by formal notice to the 6ngineer.

A A*+,-, 132kV S./*+,+0%- E*+,/0*'-+

%ince 3stana &4'k5 %ubstation 6stablishment site is an abandoned eisting%ubstation site, the Contractor is required to do survey of the accuratelocation of the eisting concrete piles supporting all of the eisting structures,substructures and infrastructures to be demolished. 3ny eisting concretepiles found on site in which a8ecting the Works should be informed to the 6.7.immediately so that 6.7. could amend the design to suit the actual conditionon site. The Contractor should take into account the time taken and any costimpact if any for the 6.7. to issue instructions regarding the Works a8ected bythe eisting concrete piles into their work programme.

B S'0-4k,+ 132kV S./*+,+0%- E+'-*0%-

0or the %e1ingkat &4'k5 %ubstation 6tension, the etend of survey worksshould also include providing levels of eisting service roads connecting to thenew service roads, eisting invert levels of drains which will connect to theproposed new drains, eisting ground levels of site where the proposed newservice road to be laid, the eisting levels of new switchyard site 9all pointswhere the switchgear bases to be constructed: and the invert levels ofeisting trench. Currently the 6ngineer assumes the 6isting


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barricade complete with hardwood posts and &((mm wide '(mm thk. timberplank to 6ngineer@s approval, shall be provided. Aeight restriction bars to6ngineer@s approval shall be erected in parallel on both sides of overhead liveconductor, at locations approved by the 6ngineer. arricade and heightrestriction bars shall be erected during construction period.

B S'0-4k,+ 132kV S./*+,+0%- E+'-*0%-

The Tenderer is to take note of the surrounding area 9still in operation: and thecontractor is to ensure that precautions and protections are taken to minimiBethe disruption+disturbance or damage to the substation plants, equipments,power lines etc. during the construction period. Temporary security measuresshall be taken to fence+board up on restricted areas @,* &') T'-5')D),80-4: PLS12!!SEJINGKATCGCRP!1 or others deemednecessary by the 6mployer. These measures shall be deemed to be includedin the tender price.

Temporary barricades of timber+ non conductive materials shall be erected toseparate the work area from live sections. >inimum &.? m high barricade

complete with hardwood posts and &((mm wide '(mm thk. timber plank to6ngineer@s approval, shall be provided. Aeight restriction bars to 6ngineer@sapproval shall be erected in parallel on both sides of overhead live conductor,at locations approved by the 6ngineer. arricade and height restriction barsshall be erected during construction period.

D'%0+0%- W%)k*

A A*+,-, 132kV S./*+,+0%- E*+,/0*'-+

W0+0- +' S./>*+,+0%- C%&%.-5

3ll eisting buildings, sub"structure and infrastructure 9including >26infrastructures: works within site to be demolished by the Contractor and to

be dump into Contractors own dumping area in which its location to beapproved by the 6.7. T' '0*+0-4 )$ &0'* ,)' +% /' '(+ 0-+,$+3fterdemolition works, the Contractor is required to do survey of the actual locationof the eisting concrete piles supporting all of the eisting structures,substructures and infrastructures to be demolished. These accurate locationsare to be marked on site and in the layout plan. %hould the eisting piles a8ectthe Works in any way, the 6.7. will amend the design to suit the actual sitecondition. T' T'-5')') *, *./0+ '+%5 *+,+''-+* 5'*$)0/0-48,7* 0- ''$.+0-4 +' 5'%0+0%- 8%)k* ,+ +' +0' %( +'-5')*./0**0%-

O.+*05' %( +' S./>*+,+0%- C%&%.-5

3ll eisting structures, sub"structures and infrastructures to be demolished as

per instructed in the drawing!PLS12!!ASTCGCEP!1 If eisting pilesfound on site obstructs the earthworks in any way,+' &0'* +% /' $.+ +%+' )'


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A A*+,-, 132kV S./*+,+0%- E*+,/0*'-+

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The site clearing work for new 3stana &4'k5 %ubstation shall consist ofdismantling work of the eisting building and structures, sub"structures,infrastructures, clearing, grubbing and stripping of topsoil+ gravel topping+pavement inside the built up area. The platform level 9subgrade level: of%takan &4'+44+&&k5 %ubstation shall be leveled to ##$ &).mas indicated in

Tender -rawings. %ite will be available upon award of tender.

The Tenderer must visit the site and satisfy himself with regard to the siteconditions, prior to submitting his tender, as no claims will later beentertained on the grounds of ignorance of the nature of the work involved.

The Contractor shall be responsible to dispose any ecess soil, unsuitable soilas well as any ecavated hard materials+rock outside the site at an approveddumping site, if required. The location of the dumping site to be proposed by

the Contractor and to be approved by the 6.7.

The Tenderer is to note that only suitable material approved by the 6ngineershall be used as ll material and as such the costs shall include the import ofsuitable materials, if required. 6arth moving plants are not accepted ascompaction equipment. The submitted cost is deemed to have included allthese. The Contractor to allow imported approved earth ll for the formationof substation platform.

The Contractor must keep whole construction site well drained at all timesduring construction period, and shall ensure that as far as is practicable in theopinion of the 6ngineer, all work is carried out in the dry. To satisfy theforegoing requirement, the Contractor shall make all arrangement to construct

and maintain all temporary drains, sumps, water courses and other works.Water must be removed from work site by means of pumping or the like whenconstruction is in progress. 3ll such temporary measures shall be removed ata time as approved by the 6ngineer, after works are completed. 3ll costsassociated to such works shall be deemed to have been included in theContract 7ates.

The Tenderer shall submit method statements describing ways in eecutingearthworks, at the time of tender submission. The method statement shouldat least comply with DE7 %tandard %pecications for 7oadworks 9DE7+%#D+&F??:.

The Contractor shall provide necessary protection to all eisting utilityservices or facilities e.g. water pipeline and appurtenances, ducts, sewers,overhead or underground cables etc., unless the foregoing are to be removedor diverted, during the eecution of the Works.

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connection therewith. 3ll costs associated to such works shall be deemed tohave been included in the Contract %um. Charges for relocation of utilityservices shall be borne by 6mployer.

O.+*05' %( S./>S+,+0%- C%&%.-5

The %ite Clearing outside of the sub"station compound involves in demolishing

the eisting drainage system and to remove the eisting access roadpavement to subgrade level. -rainage at locations as per drawing!#$%&'(()"3%T"C"


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6ach architectural, civil and structural, building >26 drawings shall be clearlystamped to indicate the applicable status; i.e. K0or #roposalL,K0orInformationL, K%ubmissionL, and K3s"uiltL.

The Contractor is required to submit ;6' @ *'+*of 3s"uilt drawings and its

softcopy in 3utoC3- '((( format at the end of pro1ect. 6mployer shall reviewand approve before the issuance of Certicate of #rovisional Taking ver.

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A A*+,-, 132kV S./*+,+0%- E*+,/0*'-+

The piling works for 3stana &4'k5 %ubstation shall cover the following!

&. &4'k5


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The maimum allowable working load for 7.C. pile siBe '((mm '((mm shallbe 4( tons. Cost for monitoring the capacity of working piles shall be allowedin the Tender %um. Test pile shall be conducted prior to start of piling activity.$ocation of test pile are sub1ected to 67@s approval.

The estimated depth of pile driving is 4 length of )m each including the initial

pile. The piling length quantity is provisional and sub1ected to nal re"measurement.

The Contractor to submit the method statement for piling works prior to thecommencement of the Works for 6.7.@s approval.

B S'0-4k,+ 132kV S./*+,+0%- E+'-*0%-

The piling works for %e1ingkat &4'k5 %ubstation shall cover the following!

&. &4'k5 switchyard 9outdoor foundations, cable trenches,etc:;'. 7.C. drains, sumps, and culverts4. ther structures deem necessary inside the %e1ingkat &4'k5 %ubstation

compound

%tatic $oad Test shall be carried out up to twice the specied working loads9( tons:. The loading records shall be 1ointly taken by the 6ngineer and theContractor. The Contractor shall submit full records including graphs 9$oad"time"settlement, load"settlement curve, records etc: in duplicate to the6ngineer within three 94: days after completion of the test. This test pile9s:shall not be used as actual working pile.

-ynamic $oad Tests shall include mobiliBation, testing, preparation of testreport by #rofessional 6ngineer; and shall be carried out under 6ngineer@sinstruction.

The Contractor also to allow for test piles at a location instructed by the 6.7.These test pile will also be used for -ynamic $oad Test. If the test piles failedthe load test, the Contractor to amend the design of the a8ected foundationand to be approved by 6.7.

The maimum allowable working load for 7.C. pile siBe '((mm '((mm shallbe ' tons. Cost for monitoring the capacity of working piles shall be allowedin the Tender %um. Test pile shall be conducted prior to start of piling activity.$ocation of test pile are sub1ected to 67@s approval.

The estimated depth of pile driving is ) length of )m each including the initialpile. The piling length quantity is provisional and sub1ected to nal re"

measurement.

The Contractor to submit the method statement for piling works prior to thecommencement of the Works for 6.7.@s approval.

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M0*$',-'%.* S+).$+.)'*

A A*+,-, 132kV S./*+,+0%- E*+,/0*'-+

3ll structural steel structures shall be designed to requirements of %F4 foreterior eposed polluted coastal. S+).$+.), *+'' '/')* *, /'sandblasted 9to %3 'M: before carrying out painting as below!"

'"component inorganic Binc silicate primer J micron -0T

'"component polyamide cured epoy with natural micaceous iron oide &((micron -0T

'"componenet polyamide epoy enamel paint ( micron -0T

7oof, gutter, fascia and Nashing materials shall be of luescope CleanColorbond steel or its equivalent with same material as roong material.


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galvanised steel grating shall be provided. P#olysept@ septic tank withconnection to outlet, 7C sump shall be provided.

%uitable safe access shall be provided to enable operation and maintenanceto be carried out without any restriction.

Toilet with wash hand basin and shower shall be provided at


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11 G'-'), )'


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Onless otherwise stated, all electrical and reghting equipment@s wirings shall be in concealed


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12 P,)+0$.,) R'ain 6ntrance %taircase andwalkway in front of &4'k5 Controlbuilding.

c. Aeavy dutyhomogenous tile,matching nosing tiles

attery rooms+toilet

d. Cement screed withnosing tiles 2 droplevel

3ll other staircase and entrance+ eit frombuildings+to mess room 2 toilet.

e. 44+&&k5 Control and%witchgear room and&4' k5


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c. 6mulsion paint 9& coatof wall sealer and 'coats of %atin gloss orequivalent:

Interior brick wall and concrete structure

d. & coat of wall sealerand ' coats of Weather

bond or equivalent

6terior brick wall and concrete structure

. -oor a. 0ire rated door To comply with >3 requirements.b. %olid 9


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11 O.+5%%) F%.-5,+0%-* C,/' T)'-$'* D.$+* T),-*(%)') B.-5W,* O0 I-+')$'&+%)*

A A*+,-, 132kV S./*+,+0%- E*+,/0*'-+

The Contractor to construct O.+5%%) F%.-5,+0%-* (%) T),-(%)')*9 PISA9PI9 NCT9 NI9 NER ,-5 E,)+ M,*+ ,-5 S./>S+).$+.)'* *.$ ,* %0

0-+')$'&+%)9 %0 0-+')$'&+%) *.&*9 !! 805+ $,/' +)'-$'* ,-513!! 805+ $,/' +)'-$'*The nal utdoor 0oundation siBes issub1ected to the specications of the utdoor 6quipment supplied by theContractor. The Contractor to submit their proposed utdoor 6quipment%pecications to the 6.7. and 6.7. will amend the design to suit the proposedutdoor 6quipment %pecications if necessary. The 6mployer also mayrequest additional utdoor 6quipment for the %witchyard. The Contractor toconsider these circumstances in the Work #rogramme. The material quantitiesfor the utdoor 0oundations, oil interceptor, oil interceptor sumps and cabletrenches are all provisional. Therefore, +' ;-,


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7einforced concrete Transformer bases and bund wall with &)"( mm singlesiBe of limestone lling shall be laid within the bund wall area. 7einforcedconcrete il Interceptor, 7.C. sumps 9at every )m interval and 1unction: anddischarged pipes 9A-#6 pipe of minimum diameter of &(mm: shall beprovided for Transformers@ compounds as per detail in the tender drawing.

B S'0-4k,+ 132kV S./*+,+0%- E+'-*0%-

The Contractor to construct O.+5%%) F%.-5,+0%-* (%) CSE9 SA9 CVT9G,-+)79 CT9 PI9 C0)$.0+ B)',k')9 D0*$%--'$+%) S80+$9 !! 805+$,/' +)'-$'*The nal utdoor 0oundation siBes is sub1ected to thespecications of the utdoor 6quipment supplied by the Contractor. TheContractor to submit their proposed utdoor 6quipment %pecications to the6.7. and 6.7. will amend the design to suit the proposed utdoor 6quipment%pecications if necessary. The 6mployer also may request additional utdoor6quipment for the %witchyard. The Contractor to consider these circumstancesin the Work #rogramme. The material quantities for the utdoor 0oundations,and cable trenches are all provisional. Therefore, +' ;-,


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11 R%,5*

A A*+,-, 132kV S./*+,+0%- E*+,/0*'-+

W0+0- +' S./>*+,+0%- C%&%.-5

The %ervice and >aintenance 7oad network is as shown in Tender -rawings.

3ll %ervice 7oads shall be premi road and the maintenance road shall begravel road.

3ll premi roads shall be minimum width of ) meter with precast concreteroad kerbs and r.c drains on both sides of road and with &(( mm thick9compacted: premi bitumen surfaces. The compacted sub"grade shall be laidwith a layer of geotetile 9T%'(:. Typical section and detail of the 3ccess 7oadand it drainage system are as shown in the tender drawings.

3ll gravel roads surface shall be minimum width of m and consists of &(mmthick 4?mm -C7


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v: 0inal stone nishing ! $ightly rolled to nal level 2 grading

W,+') S.&&7

A A*+,-, 132kV S./*+,+0%- E*+,/0*'-+

The Water %upply Getwork is as per drawing!#$%&'(()"3%T"C"


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from the construction works. %ilt trap location shall be approved by the6ngineer.

Onless otherwise specied, all 7.C. open drains within the fenced area ofsubstation compound shall be provided with continuous hot"dipped galvaniBedsteel grating covers 9designed to support '((kg ale load: adequately ed to

the sides of the drain. >inimum main reinforcement bars for the covered 7.C.drains are as per tender drawings.

7.C. crossover shall be provided at the loading bay entrance of the *+,+0%- C%&%.-5

-rainage system at locations as per indicated in the drawings shall bedemolished and rebuild to suit the new sub"station infrastructurerequirements. 6isting -rain a8ected by the 3ccess 7oad Construction shallbe demolished and lled and diverted with new drains. 3ll of the run"o8 fromthe new drainage to be discharged to the eisting discharge point. 7ip"rap isrequired as a transition between the concrete drain and the eisting earthdrain. >inimum main reinforcement bars for the covered 7.C. drains are as pertender drawings.

B S'0-4k,+ 132kV S./*+,+0%- E+'-*0%-

The Contractor is required to construct (mm covered roadside drain,(mm bo culvert and r.c sumps and to be connected to the eistingdrainage system. The nal invert levels of the proposed drainage to suit theeisting site drainage invert levels.

Onless otherwise specied, all 7.C. open drains within the fenced area ofsubstation compound shall be provided with continuous hot"dipped galvaniBedsteel grating covers 9designed to support '((kg ale load: adequately ed tothe sides of the drain.

F'-$0-4 ,-5 G,+'*

A A*+,-, 132kV S./*+,+0%- E*+,/0*'-+

The permanent security brick wall fencing and chainlink fencing shall beprovided around the perimeter of the substation at as shown in the drawing orto 67 instruction. The eisting barb wire on the eisting brick fencing to beremoved. The fencing shall be on && mm thick brickwall cement plaster andpaint nish on bothside. The permanent security brick wall fencing shall becomplete with necessary 7.C. stumps, beam, retaining walls and footings andmounted with steel bar at the top of the brick wall as shown in Tender-rawings.

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The stainless steel sliding gate with reinforced concrete pillar and brick wallfor the substation entrances shall be provided as shown in the tender drawing.3dequate siBe of signage 9%6 logo and substation name of )(( mm height:shall be printed on these brickwall fencing at the proposed entrance.

P,0-+0-4 (%) B.050-4 ,-5 M,0- E-+),-$' S+).$+.)'3 warranty of the paint quality from paint manufacturer 9Gippon, Eansai orequivalent: shall be provided.

%tandards of surface preparation and painting for building eterior shallprovide service life of minimum ve 9: years, with only the need for minorremedial work during the intervening period. uilding interior shall be coatedwith mid sheen washable acrylic based paint.

I-(),*+).$+.)' W%)k* O.+*05' P)%'$+ B%.-5,)7

The Tender %um shall include all infrastructure works outside pro1ect boundary

which includes but not limited to drainage, r.c cross over, pavement,pavement markings, traHcs signage, road furniture, footpath, top soil andturf, landscaping, making good of eisting facilities and others deemedrequired to comply with requirements, satisfaction and approval of authorities.

3ll permanent traHcs signage shall be of high intensity retro"reNectiveincluding posts with concrete inll, painting, concrete footings and etc.,ecluding those temporary signs used for temporary traHc diversion.

Thermoplastic road marking and lane delineation marking shall be used.

R'%$,+0%- %( A?'$+'5 E0*+0-4 U+00+7 ,-5 S')60$'*

Contractor is responsible to make his own enquiry and coordinate withrelevant utility provider for relocation of a8ected eisting utilities and services,either overhead or underground or both or on the surface, and privateproperties. 3ll cost incurred in the process including damage and claim in thisconnection ecept shifting fee, shall be borne by Contractor and is deemed tohave been included in Tender %um.

S.)6'7 T'$-0$0,- ,-5 M,0- Eain 6quipment@s supervisor by usingsurvey theodolite.

#$%"&'(() #%CW+''

Documents

Part F - Particular Spec Civil (Astana-Sejingkat Substation)