Section 2 Documentation required for design review
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 3 Transmission Systems - Chapter 2 Shafting Systems - Section 2 Documentation required for design review

Section 2 Documentation required for design review

Parent topic: Chapter 2 Shafting Systems

2.1 Documentation

2.1.1 At least three copies of the following plans are to be submitted:

  • Shafting arrangement.
  • Thrust shaft.
  • Intermediate shafting.
  • Tube shaft, where applicable.
  • Screwshaft.
  • Shaft bearings fitted in sternbushes and shaft bossings in ‘A’ and ‘P’ brackets.
  • Screwshaft oil gland.
  • Screwshaft protection.
  • Sternbush and arrangement in housing.
  • Couplings.
  • Coupling bolts.
  • Flexible coupling.
  • Cardan shafts.

2.1.2 The shafting arrangement plan is to indicate the relative position of the main engine(s), flywheel, flexible coupling(s), gearing, thrust block, line shafting and bearing(s), sterntube, ‘A’ bracket and propulsion device, as applicable.

2.1.3 A Risk Assessment (RA) as required by Vol 2, Pt 1, Ch 3 Requirements for Design, Construction, Installation and Sea Trials of Engineering Systems is to be submitted. The RA is to be carried out in accordance with the requirements of Vol 2, Pt 1, Ch 3, 18 Risk Assessment (RA) and is to include the following associated sub-systems:

  • Clutches.
  • Flexible couplings.
  • Lubrication.
  • Cooling arrangements.
  • Bearing mountings.
  • Control and monitoring.
  • Electrical power supplies.
  • Thrust blocks.

It is not necessary to consider failure modes relating to the shafting components.

2.2 Calculations and specifications

2.2.1 The following calculations and specifications are to be submitted:

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