OSV Chemical Code, 2018 Edition: English (eBook) IA289E

Published Date

September 2018

OSV Chemical Code, 2018 Edition: English (eBook) IA289E

£20.00
(Excludes any applicable taxes)

The OSV Chemical Code has been developed for the design, construction and operation of offshore support vessels (OSVs) which transport hazardous and noxious liquid substances in bulk for the servicing and resupplying of offshore platforms, mobile offshore drilling units and other offshore installations, including those employed in the search for and recovery of hydrocarbons from the seabed.

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The basic philosophy of the Code is to apply standards contained in the Code and the International Code for the Construction and Equipment of Ships Carrying Dangerous Chemicals in Bulk (IBC Code) and in the International Code for the Construction and Equipment of Ships Carrying Liquefied Gases in Bulk (IGC Code) to the extent that is practicable and reasonable taking into account the unique design features and service characteristics of OSVs.

Resolution A.1122(30)

 

Chapter 1 – General

1.1       Application

1.2       Definitions

1.3       Equivalents

1.4       Surveys and certification

 

Chapter 2 – Vessel survival capability and location of cargo tanks

2.1       General

2.2       Freeboard and stability

2.3       Non-cargo discharges below the freeboard deck

2.4       Conditions of loading

2.5       Flooding assumptions

2.6       Damage assumptions

2.7       Standard of damage

2.8       Survival requirements

2.9       Location of cargo tanks

 

Chapter 3 – Vessel design

3.1       Cargo segregation

3.2       Accommodation, service and machinery spaces and control stations

3.3       Access to spaces in the cargo area

 

Chapter 4 – Special requirements for products with a flashpoint not exceeding 60°C, toxic products and acids

4.1       General requirements for products with a flashpoint not exceeding 60°C,

            toxic products and acids

4.2       Products with a flashpoint not exceeding 60°C

4.3       Toxic products

4.4       Acids

 

Chapter 5 – Cargo containment

5.1       Definitions

5.2       Tank type requirements for individual products

 

Chapter 6 – Cargo transfer

6.1       Piping scantlings

6.2       Piping fabrication and joining details

6.3       Flange connections

6.4       Test requirements for piping

6.5       Piping arrangements

6.6       Cargo-transfer control systems

 

Chapter 7 – Cargo tank venting

7.1       General

7.2       Types of tank venting systems

7.3       Venting requirements for individual products

7.4       Cargo tank gas freeing

 

Chapter 8 – Electrical installations

8.1       General requirements

8.2       Electrical requirements for individual products

 

Chapter 9 – Fire-fighting requirements

9.1       Application

9.2       Cargo pump-rooms

9.3       Protection of the cargo area

9.4       Special requirements

9.5       Inert gas production on board

 

Chapter 10 – Mechanical ventilation in the cargo area

10.1     Definitions

10.2     General requirements

10.3     Spaces not normally entered

 

Chapter 11 – Instrumentation and automation systems

11.1     General

11.2     Level indicators for cargo tanks

11.3     Overflow control

11.4     Vapour detection

 

Chapter 12 – Pollution prevention requirements

 

Chapter 13 – Life-saving appliances and arrangements

 

Chapter 14 – Personnel protection

14.1     Protective equipment

14.2     First-aid equipment

14.3     Safety equipment

14.4     Emergency equipment

 

Chapter 15 – Operational requirements

15.1     General

15.2     Cargo information

15.3     Personnel training

15.4     Opening of and entry into cargo tanks

15.5     Simultaneous carriage of deck cargo and products

 

Chapter 16 – Backloading of contaminated bulk liquids

16.1     Preamble

16.2     General

16.3     Documentation

16.4     Operation

 

Chapter 17 – Discharging and loading of portable tanks on board

17.1     Preamble

17.2     General

17.3     Independent tanks

17.4     Shipment of cargo in portable tanks used as deck tanks

 

Chapter 18 – Carriage of liquefied gases

18.1     General requirements

18.2     Accommodation, service and machinery spaces and control stations

18.3     Cargo containment

18.4     Materials of construction

18.5     Vent system for cargo containment

18.6     Cargo transfer

18.7     Vapour detection

18.8     Gauging and level detection

18.9     Emergency shutdown system

18.10   Personnel protection

18.11   Carriage on open deck

18.12   Carriage of other liquefied gases listed in chapter 19 of the IGC Code

 

Appendices

Appendix 1 – Model form of Certificate of Fitness

Appendix 2 – Guidelines for testing prior to backloading

Appendix 3 – Model format for the procedure for discharging and loading portable tanks containing dangerous goods carried as deck tanks on offshore support vessels

Preamble

 

1     The present Code has been developed for the design, construction and operation of offshore support vessels (OSVs) which transport hazardous and noxious liquid substances in bulk for the servicing and resupplying of offshore platforms, mobile offshore drilling units and other offshore installations, including those employed in the search for and recovery of hydrocarbons from the seabed.

 

2     The present Code has been developed in accordance with the requirements set forth in regulation 11.2 of Annex II to the International Convention for the Prevention of Pollution from Ships, 1973, as modified by the Protocol of 1978 relating thereto (MARPOL) and in recognition of the need for standards which provide an alternative to the International Code for the Construction and Equipment of Ships Carrying Dangerous Chemicals in Bulk (IBC Code) and the International Code for the Construction and Equipment of Ships Carrying Liquefied Gases in Bulk (IG C Code) for OSVs.

 

3     The basic philosophy of the present Code is to apply standards contained in the IBC Code and the IGC Code to the extent that is practicable and reasonable taking into account the unique design features and service characteristics of OSVs.

 

4     The Guidelines for the design and construction of offshore supply vessels, 2006 (resolution MSC.235(82)), as amended, are also applicable to OSVs subject to the present Code.

 

5     It is recognized that the technology of the offshore industry is complex and continuously evolving, as shown by the growing need for specialized vessels such as well‑stimulation vessels. To meet the needs of the industry, the present Code should not remain static. Therefore, the Organization will periodically review the Code, taking into account both experience and technical development. Amendments to the Code involving provisions for new cargoes will be circulated periodically as new cargoes are proposed for carriage and the provisions are developed.

As a specialised agency of the United Nations, the International Maritime Organization (IMO) is the global standard-setting authority for the safety, security and environmental performance of international shipping. Its main role is to create a regulatory framework for the shipping industry that is fair and effective, universally adopted and universally implemented.

In other words, its role is to create a level playing field so that ship operators cannot address their financial issues by simply cutting corners and compromising on safety, security and environmental performance. This approach also encourages innovation and efficiency.

Shipping is a truly international industry, and it can only operate effectively if the regulations and standards are themselves agreed, adopted and implemented on an international basis. And IMO is the forum at which this process takes place.

Title: OSV Chemical Code, 2018 Edition: English (eBook) IA289E
Product Code: MM1457EA
ISBN: ISBN 13: 9789280116977, ISBN 10: 9280116975
Published Date: September 2018
Author: IMO

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