Section 4 Additional procedures for overlay construction

Clasification Society 2024 - Version 9.40

Clasifications Register Rules and Regulations - Rules for the Application of Sandwich Panel Construction to Ship Structure, July 2022 - Chapter 2 Material Manufacture and Construction Procedures - Section 4 Additional procedures for overlay construction

Section 4 Additional procedures for overlay construction

4.1 General

4.1.1 Provisions are made in this Section for the construction of sandwich panels by overlay construction.

4.1.2 This Section contains requirements for overlay construction and is applied in addition to the requirements of Ch 2, 3 Panel manufacturing process, as appropriate.

4.1.3 Overlay construction is only to be applied when the average gauged thickness after diminution is equal to or greater than 50 per cent of the rule original plate thickness. See also Ch 1, 1.5 Special application for special application.

4.2 Preparation of existing steel surface

4.2.1 After blasting, incidental cracks or holes are to be repaired to an approved crop/repair procedure prior to commencement of construction.

4.2.2 For overlay construction attaching the perimeter bars to the existing plating by methods other than welding will be specially considered.

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