Section 1 General requirements
Clasification Society 2024 - Version 9.40
Clasifications Register Rules and Regulations - Rules and Regulations for the Classification of Naval Ships, January 2023 - Volume 3 Additional Class Notations - Part 3 Environmental Protection - Chapter 2 Environmental Protection - Section 1 General requirements

Section 1 General requirements

1.1 Application

1.1.1 This Chapter contains requirements for the control of operational pollution on naval ships.

1.1.2 Compliance with this Chapter is optional. A ship meeting the requirements of this Chapter will be eligible for an appropriate class notation, which will be recorded in the Register Book.

1.1.3 LR is to be advised of any matter that relates to the environmental performance of the ship that would affect the assignment of the ENV class notation.

1.1.4 It is a prerequisite for assignment of the ENV notation that the ship is classed with LR, and as a minimum the requirements for achieving POL(I,AFS) are to be complied with.

1.1.5 Where necessary for the operational capability of the ship, proposals to inhibit, shut down or bypass emissions control equipment associated with the ENV notation will be considered, the associated arrangements and procedures are to be agreed by the owner and LR.

1.2 ENV class notation

1.2.1  ENV notation is assigned when the requirements for one or more of the following characters are complied with:

A Anti-fouling coatings;
ABN Airborne Noise;
GW Grey water and sewage;
IHM Inventory of Hazardous Materials;
MRV Monitoring, reporting and verification of carbon dioxide
NOx3 Emissions of nitrogen oxides;
OW Oily water management;
P Oil tanks in protected locations;
RS Refrigeration systems;
SOx Emissions of sulphur oxides;
UWN Underwater noise.

1.3 Documentation required for design review

1.3.1 When an alteration or addition to the approved arrangements and procedures is proposed, appropriate details are to be submitted for approval.

1.4 In-service records

1.4.1 Records demonstrating the effective implementation of the operational procedures specified in Vol 3, Pt 3, Ch 2, 2 ENV characters, as applicable, are to be maintained.

1.4.2 These records are to be kept on board for a minimum period of three years, in a readily accessible form, and are to be available for inspection by LR Surveyors, as required.


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