Regulation 2 – Definitions

 Subdivision length (L_s) — Different examples of(L_s) showing the buoyant hull and the reserve buoyancy are provided in the figures below. The limiting deck for the reserve buoyancy may be partially watertight.

 The maximum possible vertical extent of damage above the baseline is d_s + 12.5 metres.

 Freeboard deck — See Explanatory Notes for regulation 13-1^footnote for the treatment of a stepped freeboard deck with regard to watertightness and construction requirements.

 Light service draught (d_l) – The light service draught (d_l) represents the lower draught limit of the minimum required GM (or maximum allowable KG) curve. It corresponds, in general, to the ballast arrival condition with 10% consumables for cargo ships. For passenger ships, it corresponds, in general, to the arrival condition with 10% consumables, a full complement of passengers and crew and their effects, and ballast as necessary for stability and trim. The 10% arrival condition is not necessarily the specific condition that should be used for all ships, but represents, in general, a suitable lower limit for all loading conditions. This is understood to not include docking conditions or other non-voyage conditions.

 Bulkhead deck See Explanatory Notes for regulation 13 for the treatment of a stepped bulkhead deck with regard to watertightness and construction requirements.