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RULES FOR CLASSIFICATION OF
Ships
PART 5 CHAPTER 3
NEWBUILDING
SPECIAL SERVICE AND TYPE – ADDITIONAL CLASS
Oil Carriers
JANUARY 2012
This chapter has been amended since the main revision (January 2012), most recently in January 2013.
See “Changes” on page 3.
The electronic pdf version of this document found through http://www.dnv.com is the officially binding version
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FOREWORD
DNV is a global provider of knowledge for managing risk. Today, safe and responsible business conduct is both a license
to operate and a competitive advantage. Our core competence is to identify, assess, and advise on risk management. From
our leading position in certification, classification, verification, and training, we develop and apply standards and best
practices. This helps our customers safely and responsibly improve their business performance. DNV is an independent
organisation with dedicated risk professionals in more than 100 countries, with the purpose of safeguarding life, property
and the environment.
The Rules lay down technical and procedural requirements related to obtaining and retaining a Class Certificate. It is used
as a contractual document and includes both requirements and acceptance criteria.
© Det Norske Veritas AS January 2012
Any comments may be sent by e-mail to rules@dnv.com
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 to
such person for his proved direct loss or damage. However, the compensation shall not exceed an amount equal to ten times the fee charged for the service in question, provided that
the maximum compensation shall never exceed USD 2 million.
In this provision “Det Norske Veritas” shall mean the Foundation Det Norske Veritas as well as all its subsidiaries, directors, officers, employees, agents and any other acting on behalf
of Det Norske Veritas.
Rules for Ships, January 2012
Pt.5 Ch.3 Changes – Page 3
CHANGES
General
This document supersedes the July 2011 edition.
Text affected by the main changes in this edition is highlighted in red colour. However, if the changes involve
a whole chapter, section or sub-section, normally only the title will be in red colour.
Amendment January 2013
• Sec.1 General Requirements
— A new item A102 has been added.
Main changes coming into force 1 July 2012
• General
— Sec.11 Table F1 has been aligned with Pt.4 Ch.8 Sec.1 Table B3 regarding requirements for certification
of electrical motor and motor starter.
— Sec.14 and Sec.15 have been updated to clarify the difference between bow loading systems for shuttle
tanker and single point mooring for a conventional tanker and related rules.
In addition, tables for documentation requirements have been added.
Editorial Corrections
In addition to the above stated main changes, editorial corrections may have been made.
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Amended January 2013, see page 3
Rules for Ships, January 2012
Pt.5 Ch.3 Contents – Page 4
CONTENTS
Sec. 1 General Requirements ....................................................................................................................... 9
A. Classification.................................................................................................................................................................. 9
A 100
Scope..................................................................................................................................................................... 9
A 200
Application............................................................................................................................................................ 9
A 300
Class notations ..................................................................................................................................................... 9
A 400
Special features notations ................................................................................................................................... 10
A 500
Register information ........................................................................................................................................... 11
A 600
Structural and leak testing................................................................................................................................... 11
B. Definitions .................................................................................................................................................................... 11
B
100
Terms .................................................................................................................................................................. 11
C. Documentation ............................................................................................................................................................ 12
C
100
General................................................................................................................................................................ 12
C
200
Plans and particulars ........................................................................................................................................... 12
D. Surveys and Testing .................................................................................................................................................... 13
D 100
General................................................................................................................................................................ 13
E. Signboards ................................................................................................................................................................... 13
E
100
References........................................................................................................................................................... 13
Sec. 2 Materials and Hull Strength............................................................................................................ 15
A. General ......................................................................................................................................................................... 15
A 100
Application.......................................................................................................................................................... 15
A 200
Common Structural Rules................................................................................................................................... 15
A 300
Definitions .......................................................................................................................................................... 15
B. Materials and Corrosion Prevention......................................................................................................................... 15
B
100
Selection and testing ........................................................................................................................................... 15
C. Hull Strength ............................................................................................................................................................... 16
C
100
General................................................................................................................................................................ 16
C
200
Design loads........................................................................................................................................................ 16
C
300
Girders ................................................................................................................................................................ 16
C
400
Lower hopper knuckle ........................................................................................................................................ 16
C
500
Emergency towing .............................................................................................................................................. 16
C
600
Vertically corrugated bulkhead without stool..................................................................................................... 17
D. Direct Strength Calculations...................................................................................................................................... 17
D 100
General................................................................................................................................................................ 17
D 200
Load conditions................................................................................................................................................... 17
D 300
Acceptance criteria.............................................................................................................................................. 18
Sec. 3 Ship Arrangement and Stability ..................................................................................................... 22
A. Intact Stability ............................................................................................................................................................. 22
A 100
Intact stability ..................................................................................................................................................... 22
B. Location and Separation of Spaces............................................................................................................................ 22
B
100
General................................................................................................................................................................ 22
B
200
Arrangements of barges ...................................................................................................................................... 22
C. Tank and Pump Room Arrangement........................................................................................................................ 23
C
100
Segregated ballast tanks...................................................................................................................................... 23
C
200
Protection of cargo tanks .................................................................................................................................... 23
C
300
Cargo tanks and slop tanks ................................................................................................................................. 24
C
400
Double bottom in pump rooms ........................................................................................................................... 25
D. Arrangement of Access and Openings to Spaces and Tanks .................................................................................. 25
D 100
Accommodation and non-hazardous spaces ....................................................................................................... 25
D 200
Access to and within hazardous spaces .............................................................................................................. 25
E. Guard Rails and Bulwarks ........................................................................................................................................ 26
E
100
Arrangement ....................................................................................................................................................... 26
F. Cofferdams and Pipe Tunnels.................................................................................................................................... 26
F
100
Cofferdams.......................................................................................................................................................... 26
F
200
Pipe tunnels......................................................................................................................................................... 26
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Amended January 2013, see page 3
Rules for Ships, January 2012
Pt.5 Ch.3 Contents – Page 5
G. Diesel Engines for Emergency Fire Pumps............................................................................................................... 26
G 100
General................................................................................................................................................................ 26
H. Chain Locker and Anchor Windlass ........................................................................................................................ 27
H 100
General................................................................................................................................................................ 27
I.
Equipment in Tanks and Cofferdams ....................................................................................................................... 27
I
100
General................................................................................................................................................................ 27
J. Surface Metal Temperatures in Hazardous Areas .................................................................................................. 27
J
100
General................................................................................................................................................................ 27
Sec. 4 Piping Systems in Cargo Area ........................................................................................................ 28
A. Piping Materials .......................................................................................................................................................... 28
A 100
Selection and testing ........................................................................................................................................... 28
A 200
Special requirements for cargo piping system .................................................................................................... 28
A 300
Plastic pipes in cargo area................................................................................................................................... 28
A 400
Aluminium coatings............................................................................................................................................ 28
B. Bilge, Ballast and Fuel Oil Systems .......................................................................................................................... 28
B
100
General................................................................................................................................................................ 28
B
200
Drainage of pump rooms, cofferdams, pipe tunnels, ballast and fuel oil tanks .................................................. 28
B
300
Fore peak ballast tank ......................................................................................................................................... 29
B
400
Oil discharge monitoring and control systems ................................................................................................... 29
B
500
Oil Record Book and SOPEP ............................................................................................................................. 29
B
600
Air, sounding and filling pipes .......................................................................................................................... 29
C. Cargo Systems ............................................................................................................................................................. 30
C
100
General................................................................................................................................................................ 30
C
200
Piping systems .................................................................................................................................................... 30
C
300
Cargo piping systems for barges......................................................................................................................... 31
C
400
Testing ................................................................................................................................................................ 31
D. Cargo Heating ............................................................................................................................................................. 31
D 100
General................................................................................................................................................................ 31
D 200
Steam heating...................................................................................................................................................... 31
D 300
Thermal oil heating ............................................................................................................................................. 32
D 400
Heating of cargo with temperatures above 120°C ............................................................................................. 32
E. Bow and Stern Loading and Unloading Arrangements .......................................................................................... 32
E
100
General................................................................................................................................................................ 32
E
200
Piping arrangement ............................................................................................................................................. 32
Sec. 5 Gas-freeing and Venting of Cargo Tanks ...................................................................................... 33
A. Gas-freeing of Cargo Tanks ...................................................................................................................................... 33
A 100
General................................................................................................................................................................ 33
A 200
Gas-freeing of cargo tanks for barges................................................................................................................. 33
B. Cargo Tank Venting Systems..................................................................................................................................... 34
B
100
General................................................................................................................................................................ 34
B
200
System design ..................................................................................................................................................... 34
B
300
Venting of cargo tanks for barges ....................................................................................................................... 34
Sec. 6 Ventilation Systems within the Cargo Area outside the Cargo Tanks........................................ 35
A. Ventilation Systems..................................................................................................................................................... 35
A 100
General ............................................................................................................................................................... 35
A 200
Fans serving hazardous spaces............................................................................................................................ 35
B. Ventilation Arrangement and Capacity Requirements........................................................................................... 36
B
100
General................................................................................................................................................................ 36
B
200
Non-hazardous spaces......................................................................................................................................... 36
B
300
Cargo handling spaces ....................................................................................................................................... 36
B
400
Other hazardous spaces normally entered........................................................................................................... 37
B
500
Spaces not normally entered ............................................................................................................................... 37
B
600
Ventilation systems for barges............................................................................................................................ 37
Sec. 7 Fire Protection and Extinction........................................................................................................ 38
A. Fire Safety Measures for Tankers ............................................................................................................................. 38
A 100
Application.......................................................................................................................................................... 38
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