Clasification Society Rulefinder 2016 - Version 9.25
Clasification Society Rules and Regulations - Rules and Regulations for the Classification of Offshore Units, January 2016 - Part 3 FUNCTIONAL UNIT TYPES AND SPECIAL FEATURES - Chapter 1 General Requirements for Offshore Units - Section 3 Operations manual |
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Section 3 Operations manual3.1 General3.1.1 A manual of operating instructions is to be prepared and placed on board each unit and should be made readily available to all concerned in the safe operation of the unit, see also Pt 3, Ch 1, 3.2 Information to be included 3.2.4. 3.1.2 It is the responsibility of the Owner to provide in the Operations Manual all the necessary instructions and limits on the operation of the unit to ensure that the environmental and operating loading conditions on which the Classification is based will not be exceeded in service. 3.1.3 Where a National Administration has a specific requirement regarding the contents of the Operations Manual, it is the responsibility of the Owner to comply with such Regulations. 3.1.4 The Operations Manual is to be submitted when the plans of the unit are being approved by LR. The Operations Manual will be reviewed in respect of those aspects covered by Classification only. 3.1.5 Where a unit is modified during its service life, it is the Owner’s responsibility to update the Operations Manual, as necessary, and advise LR of any changes which may affect the Classification of the installation. 3.2 Information to be included3.2.1 In general, the Operations Manual should include the following minimum
information, as applicable:
3.2.2 Instructions for the operation of the unit are to include precautions to be taken in adverse weather, changing mode of operation, any inherent limitations of operations, approximate time required for meeting severe storm conditions, mooring pattern/heading. 3.2.3 For self-elevating units, the manual is to include instructions on safety during jacking-up and jacking-down of the hull, over the period of time that the unit is in the elevated position, and during extreme weather conditions while in transit, including the positioning and securing of legs, cantilever drill floor structures and heavy cargo and equipment which might shift position. Limitations on the maximum permissible rigid body motions of the unit, and allowable sea states whilst elevating or lowering the legs. 3.2.4 For ship units and other surface type units, sufficient information is to be supplied to the Master/Operator to enable him to arrange loading and ballasting in such a way as to avoid the creation of unacceptable stresses in the unit’s structure. This information is to be provided by means of a Loading Manual and in addition, where required, by means of an approved loading instrument, see Pt 1, Ch 2, 1 Conditions for classification. The Loading Manual may form part of the Operations Manual, or may be a separate document. |
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