Section 2 General requirements
Clasification Society 2024 - Version 9.40
Clasifications Register Rules and Regulations - Rules for the Classification of Trimarans, July 2022 - Volume 1 Regulations and Structural Arrangements - Part 6 Scantling Determination - Chapter 1 Introduction - Section 2 General requirements

Section 2 General requirements

2.1 General

2.1.1 Limitations with regard to the application of this Part are indicated in the individual Chapters.

2.2 Plans to be submitted

2.2.1 Plans are to be of sufficient detail for plan approval purposes. For all areas of structure listed below the submitted plans are to show all plating thickness, stiffeners sizes and spacings, bracket arrangements and connections. Where appropriate, the plans should clearly show the allowance for corrosion margin or Owner's extra. Welding, constructional arrangements and tolerances are also to be submitted and this may be in the form of a booklet.

2.2.2 In general all items of steel structure are to be shown except where they are ineffective in supporting hull girder and local loads and do not impinge on such structure.

2.2.3 Equipment seating and supports are to be shown where they require additional stiffening and support to be incorporated in items of hull structure. In such cases the loading on the seating is also to be supplied. Generally total combined equipment weights on seating less than 0,5 tonnes need not be considered.

2.2.4 Normally the plans for each item will be able to be contained on a few sheets. Unit or production drawings will not be accepted.

2.2.5 Plans and calculations are to be submitted as required in the Complementary Rules and are to include all appropriate structure in the side hulls, centre hull and cross deck structure.

2.2.6 The details of the cross deck structure connections, forward and aft, to the main and centre hulls must either be included within the required plans or be provided as a separate plan.

2.2.7 Plans are to be supplied to the ship as required in the Complementary Rules.

2.3 Enhanced scantlings

2.3.1 An enhanced scantling notation may be applied as described in the Complementary Rules.


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