Section 2 Construction and installation
Clasification Society 2024 - Version 9.40
Clasifications Register Rules and Regulations - Rules and Regulations for the Classification of Offshore Units, July 2022 - Part 5 Main and Auxiliary Machinery - Chapter 13 Bilge and Ballast Piping Systems - Section 2 Construction and installation

Section 2 Construction and installation

Parent topic: Chapter 13 Bilge and Ballast Piping Systems

2.1 Valves and fittings on the side of the unit (other than those on scuppers and sanitary discharges)

2.1.1 Inlet and discharge valves in compartments situated below the assigned loadline and located in normally unattended spaces are to be provided with remote control which is capable of operating when submerged. See also Pt 5, Ch 13, 2.5 Ship-side valves and fittings (other than those on scuppers and sanitary discharges) of the Rules for Ships.

2.1.2 For column-stabilised units all sea inlet and overboard discharge valves are to be provided with remote control.

2.1.3 Where remote operation is provided by power-activated valves for sea inlets and discharges for supply to fire pumps, power supply failure of the control system is not to result in the closing of open valves or the opening of closed valves.

2.1.4 Consideration will be given to accepting bilge alarms in lieu of remote operation for surface type and self-elevating units. See also Section 10 and Pt 6, Ch 1 Control Engineering Systems.

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