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 2 Machinery and Engineering Systems - Part 11 Support Systems - Chapter 1 Made and Fresh Water Systems - Section 1 General requirements

Section 1 General requirements

1.1 General

1.1.1 This Chapter states the requirements for made and fresh water systems installed in naval ships.

1.1.2 The requirements in this Chapter cover arrangements, equipment, piping and control systems necessary for the production and distribution of made and fresh water systems for domestic and other systems requiring defined quality and quantity capabilities.

1.2 Scope

1.2.1 Made and fresh water systems included in this Chapter are for:

  1. Use of crew and embarked personnel for domestic services and food preparation.

  2. Use in cooling water systems.

  3. Use in chilled water systems, see Vol 2, Pt 7, Ch 5 Ship Type Piping Systems.

  4. Use in boiler feed systems.

  5. Use for bridge window washing arrangements.

1.2.2 Where the Owner requires the capability of the made and fresh water systems for purposes other than those listed in Vol 2, Pt 11, Ch 1, 1.2 Scope 1.2.1 (e.g. engine and aircraft washing), the Owner is responsible for defining the requirements for quality and quantity capabilities.

1.3 Documentation required for design review

1.3.1 In addition to the information required by Vol 2, Pt 7, Ch 1, 2.1 Documentation required for design review 2.1.1, three copies of the plans and information stated in Vol 2, Pt 11, Ch 1, 1.3 Documentation required for design review 1.3.3 to Vol 2, Pt 11, Ch 1, 1.3 Documentation required for design review 1.3.8 are to be submitted to Clasifications Register (hereinafter referred to as 'LR') as applicable.

1.3.3  Systems. Plans in diagrammatic form showing piping arrangements, control systems and safeguards and electrical systems covered by this Chapter. The major component parts, pipe sizes, system flow rates and pressures together with the capacities of pumps and plants for making water are to be included in the plans.

1.3.4  Compartments. Plans showing the general arrangement of compartments, together with a description of the arrangements installed for making, storage and distribution of water and the electrical power supply systems. The plans are to indicate segregation and access arrangements for compartments and associated control rooms/stations.

1.3.5  Testing and trials procedures. A schedule of testing and trials to demonstrate that systems are capable of operating as described in Vol 2, Pt 11, Ch 1, 3 System arrangements and as required by Vol 2, Pt 11, Ch 1, 5 Testing and trials.

1.3.6  Operating manuals. Operating manuals are to be provided on board and submitted for information where requested by LR. The manuals are to include the following information:

  1. Particulars and a description of the systems for the production, storage and distribution of made and fresh water. The particulars are to include system arrangement plans showing each mode of operation of each system.

  2. Operating arrangements for each mode of operation for the equipment and systems installed.

  3. Cleaning arrangements and any precautions required for the use, storage and disposal of any recommended chemicals used for cleaning systems and equipment.

  4. Coating and maintenance instructions for water storage tanks.

  5. Cleaning instructions for filters, calorifiers and other equipment where bacteria may accumulate in fresh water systems for use of crew and embarked personnel and for food preparation.

  6. Maintenance instructions and fault finding procedures for the equipment and systems.

1.3.7  Certificates. Coating specification with certificate of testing for toxicity and tainting testing by an independent test laboratory.

1.3.8  Specification. Specification of metallic and nonmetallic materials in contact with made and fresh water.


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