Section 3 Hull Equipment

301.

General

1. The hull equipment of Offshore Support Vessels intended to be classed or have been classed with the Society are to be in accordance with the requirements specified in this Section.

2. Hull equipment are to be in accordance with the following depending upon the ship length:

(1) For ships which are 90 m or above, hull equipment is to be according to

the Classification of Steel Ships.

Pt 4 of Rules for

(2) For ships which are less than 90 m, hull equipment is to be according to Pt 10 of Rules for the Classification of Steel Ships.

3. Equipment Number calculations for unconventional vessels with unique topside arrangements or op- erational profiles may be specially considered. Such consideration may include accounting for addi- tional wind areas of widely separated deckhouses or superstructures in the equipment number calcu- lations or equipment sizing based on direct calculations.

4. Cargo gear are to be in accordance with the relevant requirements in Pt 9, Ch 2 of Rules for the Classification of Steel Ships.

10 Guidance for Offshore Support Vessels 2015

Ch 3 Hull Structures and Equipment Ch 3

302. Offshore Mooring Chain for Station Keeping

1. Qualification of Manufacturers

Offshore mooring chain is to be manufactured by works approved in accordance with Pt 2 of Rules for the Classification of Steel Ships or in accordance with Guidance for Approval of Manufacturing Process and Type Approval, Etc..

2. Materials

Materials used for the manufacture of offshore mooring chain are to meet the requirements of Pt 2 of Rules for the Classification of Steel Ships or in accordance with Guidance for Approval of Manufacturing Process and Type Approval, Etc.

3. Design, Manufacture, Testing and Certification of Chain

Offshore mooring chain is to be designed, manufactured, tested and certified in accordance with the requirements of Pt 2 of Rules for the Classification of Steel Ships or in accordance with Guidance for Approval of Manufacturing Process and Type Approval, Etc..