Section 1 General requirements

1.1.1 This Chapter covers the requirements for machinery piping systems installed in naval ships for the continuous and safe operation of main and auxiliary machinery and engineering systems.

1.1.2 In addition to the requirements detailed in this Chapter, the requirements of Vol 2, Pt 7, Ch 1 Piping Design Requirements, Vol 2, Pt 7, Ch 2 Ship Piping Systems, Sections 1 and 2 are to be complied with where applicable.

1.1.3 The requirements of Vol 2, Pt 2, Ch 1, 9 Starting arrangements are to be complied with for compressed air systems for starting of engines.

1.1.4 The requirements of Vol 2, Pt 7, Ch 2, 3 Drainage of compartments, other than machinery spaces are also to be complied with, so far as they are applicable, for the drainage of tanks, oily bilges and cofferdams, etc.

1.1.5 The requirements of Vol 2, Pt 7, Ch 3, 2 Fuel oil - General requirements and Vol 2, Pt 7, Ch 3, 4 Fuel oil pumps, pipes, fittings, tanks, etc. are to be complied with, as far as they are applicable, for all flammable liquids.

1.1.6 The control and monitoring requirements for prime movers, transmission systems, propulsion devices, steering systems and boilers in Vol 2, Pt 2 Prime Movers, Vol 2, Pt 3 Transmission Systems, Vol 2, Pt 4 Propulsion Devices, Vol 2, Pt 6 Steering Systems and Vol 2, Pt 8 Pressure Plant are also to be complied with where applicable.

1.1.7 Where reference is made to main auxiliary engines, the requirements are also applicable to main and auxiliary gas turbines.

1.2.1 Three copies of the following plans (in diagrammatic form) and a System Design Description containing the additional information are to be submitted for approval. Additional plans should not be submitted unless the arrangements are of novel or special character affecting classification:

• Arrangements of fuel oil bunkering, storage and transfer.
• Arrangements of fuel oil piping in connection with oil burning installations.
• Arrangements of fuel oil burning units for boilers and thermal fluid heaters.
• Arrangements of any gas burning installations.
• Arrangement of boiler feed system.
• Arrangements of thermal fluid circulation systems.
• Arrangement of compressed air systems for main and auxiliary services.
• Arrangements of lubricating oil systems.
• Arrangements of flammable liquids used for control and heating systems.
• Arrangements of Mobility systems or Ship Type systems for power transmission.
• Arrangements of non-flammable liquids used for power transmission and control systems in Mobility category and Ship Type category engineering systems.
• Arrangements of cooling water systems for main and auxiliary purposes.
• fuel oil settling service and other fuel oil tanks not forming part of the ship’s structure.
• Arrangements of steam systems for main and auxiliary services.
• Arrangements of incinerator systems.
• Arrangements of air intakes and exhaust gas piping for main and auxiliary machinery.
• Description of fuel oils with statement of minimum flash point (closed-cup test).
• Arrangements and dimensions of all steam and thermal fluid pipes where the design pressure or temperature exceeds 16,0 bar (16,3 kgf/cm²) or 300°C, respectively, and the outside diameter exceeds 76,1 mm, with details of flanges, bolts and weld attachments, and particulars of the material of pipes, flanges, bolts and electrodes.
• Operating manuals and maintenance instructions are to be provided on board and submitted for information where requested by LR. The manuals are to include particulars, description, operating instructions and maintenance instructions for all systems.

1.2.2  See Vol 2, Pt 9, Ch 7 Control, Alerts and Safety Systems for details of plans to be submitted for control, monitoring and alarm systems.