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DNV GL
Topics to be addressed
1
09.00 Welcome coffee and Opening notes
09:15 Introduction to DNVGL Rules, Development Process
10:00 Break
10:15 New DNVGL Rules:
Pt.1 and 2 General & Materials
Pt.3 and 5 Hull, Ship Types
Pt.4 Systems & ComponentsMachinery, Piping Systems, Pressure equipment
Electrical installations,
Control and monitoring systems,
Steering gear, Fire Safety
Pt.6 Additional Class Notations
12:00 Lunch
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DNV GL
Topics to be addressed
2
13:00 Battery and hybrid technology
14:00 New class notations LNG Bunkering & LNG Ready
14:30 End of seminar
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DNV GL
SHAPING CLASSIFICATIONFOR THE FUTURE
3
DNV GL
RULES
Modern rules
Modern tools
150 years
x 2
38
Ship typenotationsCombining 150 years expertise of two leading class societies,
DNV GL offers a modernized and efficient set of rules and related tools
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DNV GL 4
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DNV GL
DNV GL rules development process
5
Rule development
FEB
DNV rules
GL rules
DNV GL rulesGeneral regulations
DNVrules
GLrules
DNV GLrules
2015
Rule development DNV GL rules
Involving theindustry
Oct 2015
Planned
publication
Planned
entry into force
Jan 2016Oct 2013 July 2015
External Hearing
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DNV GL
200 experts 10000 pages of rule texts - .
6
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DNV GL
Developed by the DNV GL expertiseto ensure that the end productrepresents the strengthsof each of the legacy rule sets
Optimising and tailoring theuse of the toolbox in order to
ensure an efficient designprocess
Involving the stakeholdersto ensure that the rules are fitfor purposeand have a positiveimpact in the maritime industry
Using the best availablestandards and methodologies
as a toolbox to ensure thatthe rules are fit for future
7
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DNV GL 8
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DNV GL
DNV GL rules at a glance
A broad range of classification services
8 rule books
Content is re-used as much as possible
between rule books
Flexibility to develop and adapt rules to
vessel specific needs
9
Rule Book
Rules for classification Ships
Rules for classification Offshore units
Rules for classification High speed, light craft and naval surface craft
Rules for classification Inland navigation vessels
Rules for classification Yachts
Rules for classification Underwater technology
Rules for classification Naval vessels
Rules for classification Floating docks
Overview
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DNV GL
1. GENERAL REGULATIONS
2. MATERIALS & WELDING
3. STRUCTURAL REQUIREMENTS
4. SYSTEMS & COMPONENTS
5. VESSEL TYPES
6. CLASS NOTATIONS
7. FIS: SURVEY REQUIREMENTS
10
What is it about? Points of interestApproach
The rules and standards governing our
classification for Mobile Offshore Units as
we will publish in July this year (that isbefore the other rule books)
Entry into force January 2016
Predictable results for the market; no
technical changes
Retaining the marketing value and
recognition of our renowned Offshore
An efficient and controlled process
balancing the need to market ourselves as
DNV GL vs. staying aligned with the Rules
for ships
Table of Contents
The new rules and standards are
based on the existing DNV Offshore
Service Specifications (OSS) series
covering our Offshore Class Services
and DNV Offshore Standards; that is
the same content but in a DNV GL
template
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DNV GL
Ch.1 ClassificationCh.2 Steel hull structures
Ch.3 Stability and freeboard
Ch.4 Machinery installations
Ch.5 Fire protection, detection and
extinction
Ch.6 Survey requirements
11
What is it about? Points of interestWhat does Rules for Floating docksprovide?
The Rules define a minimum technical
standard for classification of floating
docks
The rules for FD are based on DNV rules
One clear set of requirements for
classification of a floating dock
Clear requirements for the retention of
class
Clear communication of documentation
and certification requirements towards
yards, designers and manufacturers
throughout the Rules
Increased flexibility with regards to
allowed methods for ballasting and de-
ballasting
General update of all references to DNV
GL Rules for Ships
Aligned requirements with DNV GL Rules
for Ships
Table of Contents
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DNV GL
1. GENERAL REGULATIONS
2. MATERIALS & WELDING
3. STRUCTURAL REQUIREMENTS
4. SYSTEMS & COMPONENTS
5. VESSEL TYPES
6. CLASS NOTATIONS
7. FIS: SURVEY REQUIREMENTS
12
What is it about? Points of interestApproach
The rules for Inland Navigation Vessels
covers all aspects of classification of
vessels intended for operation on inlandwaterways
INV is fully based on GL rules
The regime will continue using TRON and
not migrated to NPS
Class notations have been aligned with
DNV GL rules
Increased service offering, as DNV did not
have rules for INV
Rules have not gone through any technical
changes, and are hence easily recognised
by customers
Table of Contents
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DNV GL
1. GENERAL REGULATIONS
2. MATERIALS & WELDING
3. STRUCTURAL REQUIREMENTS
4. SYSTEMS & COMPONENTS
5. VESSEL TYPES
6. CLASS NOTATIONS
7. FIS: SURVEY REQUIREMENTS
13
What is it about? Points of interestApproach
The rules for naval vessels cover all
aspects of classification for naval vessels
and submarines
The rules are brought forward as two
separate rule regimes according to
legacy rules
By offering two rule regimes for naval, we
are able to offer long term customers
predictability and transparency in service
offering
Table of Contents
DNV rules are brought forward as
an integral part
GL rules are brought forward as a
self-standing rules set
References to legacy rules have
been changed to DNV GL
references (e.g. hull requirements)
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DNV GL
1. GENERAL REGULATIONS
2. MATERIALS & WELDING
3. PRESSURE HULL AND
STRUCTURES
4. MACHINERY AND SYSTEMS
5. TYPE NOTATIONS
6. ADDITIONAL FEATURES
7. SYSTEMS IN SERVICE
14
What is it about? Points of interestApproach
The rules for UWT cover all aspects of
classification of submersibles,
underwater working machines, ROVs andAUVs as well as diving simulators
The rules are gathering all underwater
systems and vehicles under one common
rule set, providing transparency to
builders and operators
Table of Contents
UWT are based on GL rules and
guidelines
Harmonised structure in line with
all other rule sets i.e. from Pt.1
Pt.7
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DNV GL
1. GENERAL REGULATIONS
2. MATERIALS & WELDING
3. STRUCTURAL REQUIREMENTS
4. SYSTEMS & COMPONENTS
5. VESSEL TYPES
6. CLASS NOTATIONS
7. FIS: SURVEY REQUIREMENTS
15
What is it about? Points of interestApproach
The rules for Yachts covers all aspects of
classification of yachts, including motor
yachts, passenger yachts, sailing yachtsand sail ships
One rule set with harmonized
requirements taking advantage of
combined experience from both legacies
Harmonised General regulations (Pt.1),
Ship type notations (Pt.5), Additional class
notations (Pt.6) and FIS Survey
requirements (Pt.7) with Rules for SHIPS
State of the art rules for composite hull
structures
Table of Contents
Yachts was based on GL rules and
guidelines
The technical content represents
the latest handling of yacht rojects
The structure of the rules has been
aligned with other rule sets and all
applicable yacht types have been
included
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DNV GL
1. GENERAL REGULATIONS
2. MATERIALS & WELDING
3. STRUCTURAL REQUIREMENTS
4. SYSTEMS & COMPONENTS
5. VESSEL TYPES
6. CLASS NOTATIONS
7. FIS: SURVEY REQUIREMENTS
16
What is it about? Points of interestApproach
The rules for HSLC covers all aspects of
classification of vessels covered under
the HSC code and Naval Ship Code, aswell as other vessels types not covered
by the other rule sets (Inland
Navigation, Ships or Yachts)
Harmonised General regulations (Pt.1),
Ship type notations (Pt.5), Additional class
notations (Pt.6) and FIS Surveyrequirements (Pt.7) with Rules for SHIPS
Improved methodology for calculating hull
strength
State of the art rules for composite hull
structures
Table of Contents
HSLC was based on DNV Rules for
High Speed & Light Craft, considering
relevant parts of GL Classification
and Surveys
For hull structural rules, the strength
calculation has been harmonised
between the two rule sets, and a
state of the art chapter for composite
hull structures has been developed
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DNV GL 17
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DNV GL
r
To establish a set of rules using the strengths of the existing rule sets while
ensuring that the rules are:
18
clear, consistent and easyto understand
fit for application to novel
designs thus enhancingability to support futuretechnology development
improving efficiency inthe design and approvalprocess
fit for future developmentwith increased consistencyand transparency
an optimal combinationof the existingclassification services
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DNV GL
Overview of the rule book SHIP
The book is split in a logical and easy to grasp structure consisting of 7 parts
Follows a typical design and approval process
Redundant content is avoided to ensure uniformity in requirements andconsistency throughout the rules
19
Pt. Part Name
Pt.1 General regulationsPt.2 Materials and welding
Pt.3 Hull
Pt.4 Systems and components
Pt.5 Ship types
Pt.6 Additional class notationsPt.7 Fleet in service
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DNV GL SAFER, SMARTER, GREENERDNV GL 20
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DNV GL 22
Main class
notation
(Pt.1 Pt.4,
and Pt.7)
1A
Service
arearestrictions
R1
Ship type notations
(Pt.5)
Mandatory Optional
Container ship Offshore service
vessel
Additional class notations
(Pt.6)
Mandatory Optional
Bow loading Clean
E0 NAUT RSCS DG Ice Clean BIS TMON E0 DYNPOS Clean Ice
E0 TMON
Container ship
Tanker for oil CSR
Offshore service vessel
Bow loadingESP
(+) (AUTR, A) (Design) (C)(AW, ICS) (C)
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DNV GL
Documentation requirementsRequirements to Builders and
Manufacturers to submit information
required for the Societys design
assessment process.
Certification requirements
Requirements to Builders to install
certified products on board the vessel.
In each part of the rules, detailed
requirements are summarized at the beginning
using a standard table format
with all necessary information included
23
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DNV GL SAFER, SMARTER, GREENERDNV GL 24
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DNV GL 25
Ch.1 General requirements for materialsCh.2 Metallic materialsCh.3 Non-metallic materialsCh.4 Fabrication and testing
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DNV GL 26
General requirements for manufacture, survey and certification of materials used for
the construction or repair of hulls, equipment, boilers and pressure vessels and
machinery
Consistent with IACS requirements
E.g. through thickness testing of steel plates
Clarification of requirements for pipe fittings
To be delivered by approved manufacturer
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DNV GL SAFER, SMARTER, GREENERDNV GL 27
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DNV GL 28
Became part of One
Rule Set project afterthe merger of DNV withGL
Broad internal involvement
Ship type expertsAll regionsAll disciplines
Class newbuilding,offshore,
ships in operation,advisory
software
Study of ships inoperation damage andcorrosion experience
More than 50% of the time used forconsequence studies to verify impact onscantlings and ensure satisfactorydesign and approval time
Completion together withour clients during 2015
Project:
Development of
new hull rules
2012 Oct 2013 20152011
Framework for the new rules
developed and reported
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DNV GL
To establish a set of rules using the strengths of the existing rule sets while
ensuring that the rules are:
29
Clear, consistent and easy tounderstand
Fit for application to noveldesigns thus enhancing abilityto support future technologydevelopment
Improving efficiency in thedesign and approval process
Fit for future development withincreased consistency andtransparency
Based on modern principlesaccording to the IMO GoalBased Standard concept.
Develop user-friendly rules forhull structure which reflect thestate of the art technicalprovisions.
Ensure a smooth transition from oldto new rules
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DNV GL
Simple rules
for the smallest ships
for well proven shiptypes in
normal operation
need to be more conservative
30
Accurate rules
needed for non-redundant structure
support design development
are adoptable to changing environment
are more transparent
support emergency response
Satisfactory accurate rules made user-friendly through improved software !
More advance analysis supported by the Rules and Class Guidance
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DNV GL 31
1864 1900 1953 1965 1990 Time
Knowledge
2020
Tabular
Empirical
Analytical
Computational
CSR
DNVGL
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DNV GL 32
CG LNG
with spherical
tanksCG LNG
with membrane
tanks
CG LGC
with prismatictanks
CG LGC
with
cylindrical tanks
Part 3 Hull Part 5 Ship Types Class Guidelines
Hull requirements for the
ship type
Additional requirements
for the ship type notation
Generic foundationCalculation procedures
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DNV GL 33
Part 3 Hull
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DNV GL 34
Part 3 Hull
One basis of hull structure rules for all
ship types
Improved consistency and transparency
in applied loads and acceptance criteria
Structured to support a typical design
process
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DNV GL
Content:
Application of the rules
Rule principles
Verification of compliance
Symbols and definitions
Loading manual and loading instrument
35
Part 3 Hull
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DNV GL
DNV GL Rules Ch.2 General Arrangement Design
36
Part 3 Hull
Technical requirements are in line with 1A1 and
100A5
Content:
Subdivision arrangements
Compartment arrangements
Access arrangement
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DNV GL
DNV GL Rules Ch.3 Structural Design Principles
37
Part 3 Hull
Increased coverage of materials other than steel
Same structural idealisation as CSR (load points,
span definition etc.)
Ships in operation corrosion allowance accounted
for in the strength evaluation
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DNV GL
DNV GL Rules Ch.4 Loads
38
Part 3 Hull
One set of dynamic loads for all ship
types
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DNV GL
DNV GL Rules Ch.5 Longitudinal Strength
39
Part 3 Hull
Buckling capacity check improved based on LGL and
CSR
Hull girder ultimate strength check introduced for
some ship types based on CSR
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DNV GL
DNV GL Rules Ch.6 Hull Local Scantlings
40
Part 3 Hull
Minimum thicknesses are based on 1A1 rules
Capacity formulas for yield check are further developed
All local strength scantling requirements defined in one
place (not repeated for deck, bottom, bulkheads etc.)
New software tools available for prescriptive hull local
scantlings checks
Transparent combination of hull girder stresses and local
stress components
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DNV GL
DNV GL Rules Ch.7 Direct strength analysis
41
Part 3 Hull
Design verification by means of FEAand the calculation scope is based
on legacy rules (case by case for
special ships)
Partial ship structural analysis
allows:
Automatic yield check
Automatic buckling control
Local fine mesh analysis
New Finite Element Class Guidline
provides generic methodology formodelling, loading and evaluation.
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DNV GL
DNV GL Rules Ch.8 Buckling
42
Part 3 Hull
Closed form method (CFM) Based on LGL and CSR
Accurate, especially on bi-axial buckling
Buckling tools available in NH software
Improved coverage of slenderness requirements for plates and
stiffeners
Improved coverage of buckling requirements for direct strength
analysis
Automatic buckling control in Genie
PULS and direct collapse simulation as alternative methods
New Class Guideline Buckling provides insight and supports
advanced analysis
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DNV GL
DNV GL Rules Ch.9 Fatigue
43
Part 3 Hull
One consistent method for fatigue analysis applied
for all ship types
(Generally mandatory only for L > 150 m)
EDW based loads
Capacity calculation taken mainly from 1A1ules
Calculation scope same as 1A1 (Ship type based)
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DNV GL
Content of Ch.10:
Bow impact
Bottom slamming
Stern slamming
Sloshing
Wheel loading
Steel Coils Special hull structures:
Thruster tunnels
Sea chest
Box coolers
Stern frames
Retractable bottom
equipment
Berthing impact req.
Machinery foundations
44
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DNV GL
Ch.11 Hull Equipment, Supporting Structure and Appendages
Scope and calculation methods for foundations and supporting structure are kept
Ch.12 Opening and Closing Appliances (basically one to one with 1A1)
Ch.14 Rudders and Steering (based on 1A1, but IACS will publish revised UR S10
in 2015)
Ch.15 Stability (based on 1A1)
45
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DNV GL
The requirements are based on CSR, but simplified
Further simplifications introduced for L
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DNV GL 47
Part 5 Ship types
Requirements for ship type notations
Special and additional requirements
complementing the main class requirements
A consistent rule structure enabling easy
navigation through the rules
Combined ship type expertise from the two
legacy societies
Tailored calculation scope for each ship type
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DNV GL 48
Chapter 9 Offshore Service Vessels
Sec.1 General
Sec.2 Offshore service vessels
Sec.3 Anchor handling and towing vessels
Sec.4 Platform supply vessels
Sec.5 Standby vessels
Sec.6 Windfarm maintenance vessels
Section 1 General1 Introduction
2 Class notations
3 Definitions
4 Documentation
5 Certification
6 Survey and testing
Section 2 Offshore service vessels1 Introduction
2 Hull local scantling
3 Hull local scantling for ships assigned class notationOffshore Service Vessel +
4 Systems and equipment
5 Stability
6 Load line
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DNV GL
Hull structure consequence studies
Requirements are being validated
with extensive consequenceassessments
Using a fleet of more than 40 ships,
considering all relevant ship types of
length from 30m to 390m
49
More than 100 vessels used as
reference for wave loadcalculations
Focus on:
scantling changes Fatigue life time
Efficient rule application in
design process
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DNV GL
Hull Structure - Software
The design wave concept, various failure
modes and associated acceptance criteria
requires extensive computational capability
Rule calculation tools are essential in
structural design development
DNV GL rules will be supported by powerful
tools enabling an efficient design process
50
Modern rules
Modern tools
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DNV GL
Hull Structure - Software
51
Nauticus HullPoseidon
DNV GL rules for hull structure will be supported by both
Poseidon and Nauticus Hull
Optimized for
DNV GL rules Container ship
Multi Purpose Vessel
Optimized for
DNV GL rules Gas Carrier
Ore CarrierOSVPassengerCar CarrierOthers
CSR H Bulk/Tanker
*existing rule sets (CSR/ DNV/ GL) will continue to be supported by respective tools as before
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DNV GL
Hull structure Summary of
52
A consistent rule structure
enabling easy navigationthrough the rules
Modern and
comprehensible with new
physical consistent rule
foundation
Significant improvement
of software support
More efficient strength
analysis by utilizing
computational capability
Overall 38 ship type
notations
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DNV GL
Hull structure Summary of
53
The new advanced load concept is a major step towards a more
realistic representation of the environmental loads.
Along with our state-of-the-art capacity models, this concept will
increase the consistency in the safety level applied for the
complete hull structure.
In addition, this approach will also accommodate the challengesrelated to development of novel and unusual designs.
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SAFER, SMARTER, GREENER
www.dnvgl.com
Thank you for your attention.
DNV GL Rules program