Refer to existing codes and standards.
American Bureau of Shipping
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GUIDE FOR
CREW HABITABILITY ON
OFFSHORE INSTALLATIONS
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Accommodations Criteria – Berthing
Aisles
47 Aisle widths in sleeping areas are:
at least 610 mm (24 in), between a single berth and the nearest obstruction T
at least 915 mm (36 in), between facing berths S,R
at least 1065 mm (42 in), when joining two or more aisles. T
Berths
48 + The lower berth in a tier is at least 300 mm (12 in) above the deck. ILO 92
49 + The upper berth is placed approximately midway between the bottom of the lower berth and the lower side of the deck head beams.
ILO 92
50 Head clearance above each berth is at least 810 mm (32 in). AN
51 Berth inside dimensions are at least 2020 mm (80 in) by 965 mm (38 in). AB
52 + The framework and lee-board of a berth is of approved material, hard, smooth and not likely to corrode or to harbor vermin.
ILO 92
53 + Berths constructed from tubular frames are completely sealed and without perforations which would give access to vermin.
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