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Hull Construction Regulations

Version of section 206 from 2006-03-22 to 2017-02-02:

  •  (1) Subject to subsections (2) and (3), the main hull, structural bulkheads, decks, superstructures and deckhouses shall be constructed of steel or an equivalent material.

  • (2) Crowns and casings of machinery spaces of Category A shall be constructed of steel.

  • (3) Where any part of the main structure is constructed of aluminum alloy,

    • (a) the insulation of aluminum alloy components of ‘A’ Class divisions, other than divisions that are non-load-bearing, shall be such that the temperature of the structural core does not rise more than 200°C above the ambient temperature at any time during the first 60 minutes of the standard fire test;

    • (b) the insulation of aluminum alloy components of ‘B’ Class divisions, other than divisions that are non-load-bearing, shall be such that the temperature of the structural core does not rise more than 200°C above the ambient temperature at any time during the first 30 minutes of the standard fire test; and

    • (c) the insulation of aluminum alloy components of pillars, stanchions and other structural members supporting lifeboat and liferaft stowage areas, launching and embarkation areas, and ‘A’ Class divisions or ‘B’ Class divisions shall

      • (i) with respect to those structural members supporting lifeboat and liferaft stowage areas, launching and embarkation areas, and ‘A’ Class divisions, comply with the temperature rise limitation specified in paragraph (a), and

      • (ii) with respect to those structural members supporting ‘B’ Class divisions, comply with the temperature rise limitation specified in paragraph (b).

  • SOR/83-521, s. 4

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