Section 2 Operating conditions
Clasification Society 2024 - Version 9.40
Clasifications Register Rules and Regulations - Rules and Regulations for the Classification of Offshore Units, July 2022 - Part 5 Main and Auxiliary Machinery - Chapter 1 General Requirements for Offshore Units - Section 2 Operating conditions

Section 2 Operating conditions

Parent topic: Chapter 1 General Requirements for Offshore Units

2.1 Inclination of unit

2.1.1 Main and essential auxiliary machinery is to operate satisfactorily under the conditions as shown in Table 1.2.1 Inclination of ship units and other surface type units, Table 1.2.2 Inclination of column-stabilised units or Table 1.2.3 Inclination of self-elevating units.

Table 1.2.1 Inclination of ship units and other surface type units

Installations,
components 		Angle of inclination, degrees,
see Note 1
Athwartships Fore-and-aft
Static Dynamic Static Dynamic
Main and auxiliary machinery
essential to the propulsion
and safety of the unit 		15 22,5 5
see Note 2 		7,5
Emergency machinery and
equipment fitted in accordance
with Statutory Requirements 		22,5 22,5 10 10
NOTES
1. Athwartships and fore-and-aft inclinations may occur simultaneously.
2. Where the length of the unit exceeds 100 m, the fore-and-aft static angle of inclination may be taken as:
degrees
where
L = length of unit, in metres, see Pt 4, Ch 1, 5 Definitions.

2.1.2 Any proposal to deviate from the angles given in Table 1.2.1 Inclination of ship units and other surface type units, Table 1.2.2 Inclination of column-stabilised units or Table 1.2.3 Inclination of self-elevating units will be specially considered taking into account the type, size and service conditions of the unit.

2.1.3 The dynamic angles of inclination in Table 1.2.1 Inclination of ship units and other surface type units, Table 1.2.2 Inclination of column-stabilised units or Table 1.2.3 Inclination of self-elevating units may be exceeded in certain circumstances, dependent upon type of unit and operation. The Builder is, therefore, to ensure that the machinery is capable of operating under these angles of inclination.

Table 1.2.2 Inclination of column-stabilised units

Installations,
components 		Angle of inclination in
any direction, degrees
Static Dynamic
Main and auxiliary machinery essential
to the propulsion and safety of the unit 		15 22,5
Ballast system, emergency machinery and
equipment fitted in accordance with statutory requirements 		22,5 22,5

Table 1.2.3 Inclination of self-elevating units

Installations,
components 		Angle of inclination in
any direction, degrees
Static Dynamic
Main and auxiliary machinery and equipment
essential to the propulsion and safety of the unit 		10 15
Emergency machinery and equipment fitted
in accordance with statutory requirements 		15 15
Copyright 2022 Clasifications Register Group Limited, International Maritime Organization, International Labour Organization or Maritime and Coastguard Agency. All rights reserved. Clasifications Register Group Limited, its affiliates and subsidiaries and their respective officers, employees or agents are, individually and collectively, referred to in this clause as 'Clasifications Register'. Clasifications Register assumes no responsibility and shall not be liable to any person for any loss, damage or expense caused by reliance on the information or advice in this document or howsoever provided, unless that person has signed a contract with the relevant Clasifications Register entity for the provision of this information or advice and in that case any responsibility or liability is exclusively on the terms and conditions set out in that contract.