Section 11 Superstructures, deckhouses and machinery space openings

Clasification Society 2024 - Version 9.40

Clasifications Register Rules and Regulations - Rules and Regulations for the Classification of Ships for Service on the Great Lakes and River St. Lawrence, July 2022 - Chapter 4 Ship Structures - Section 11 Superstructures, deckhouses and machinery space openings

Section 11 Superstructures, deckhouses and machinery space openings

11.1 General

11.1.1 For the structure of superstructures and deckhouses, the requirements of Pt 3, Ch 8 Superstructures, Deckhouses and Bulwarks of the Rules for Ships are to be complied with.

11.1.2 The design pressure head, h, to be used in the determination of erection scantlings, is to be taken as equal to one tier higher than equivalent tier, as stated in Pt 3, Ch 8, 1.4 Design pressure head of the Rules for Ships.

11.2 Machinery space openings

11.2.1 Machinery space openings in Positions 1 and 2 shall be suitably framed and closed by doors with suitable closing arrangements, commensurate with their size and location.

11.2.2 Any funnel or machinery space ventilator that must be kept open for the essential operations of the ship shall have coamings of a height above deck of at least 3,8 m in Position 1 and 1,8 m in Position 2.

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