Section 2 General provisions
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 1 General Requirements - Chapter 3 Requirements for Design, Construction, Installation and Sea Trials of Engineering Systems - Section 2 General provisions

Section 2 General provisions

2.1 Provisions

2.1.1 The units and formulae used in the Rules are in SI Units.

2.1.2 It is the responsibility of the Shipbuilder as main contractor to ensure that the documentation required is prepared and submitted in accordance with a project schedule which has been agreed by LR.

2.1.3 The main propulsion machinery will be approved for the maximum continuous power, and associated shaft speed or equivalent design and performance criteria.

2.1.4 Main propulsion machinery will be considered for operation at a higher power rating than the classification rating for short time intervals (referred to as short-term high power operation) in conjunction with the intended operation service profile.

2.1.5 Facilities are to be provided for cleaning, inspection and maintenance of main propulsion and auxiliary machinery including boilers and pressure vessels.

2.1.6 Where it is proposed to depart from the requirements of the Rules, an Engineering and Safety Justification, see Vol 1, Pt 1, Ch 2, 2.2 Definitions is to be submitted to Clasifications Register ('LR') for consideration.

2.1.7  Any novelty in the design and/or construction of machinery, boilers, pressure vessels or engineering equipment is to be advised to LR (see also Vol 2, Pt 1, Ch 3 Requirements for Design, Construction, Installation and Sea Trials of Engineering Systems).


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