Section 2 in The Merchant Shipping (Cargo Ship Construction And Survey) Rules, 1974
2. Definitions.
- In these rules, unless the context otherwise requires. -(a)"Act" means the Merchant Shipping Act, 1958 (44 of 1958);(b)"B Class Panel" means a panel which complies with the requirements of rule 12 of these rules;(c)"bulkhead deck" means the uppermost deck up to which the majority of transverse watertight bulkheads are carried;(d)"cargo ship construction certificate" means a cargo ship construction certificate issued under these rules to a ship of five hundred tons gross or more which is not engaged in international voyages;(e)"cargo ship safety construction certificate" means a cargo ship safety construction certificate issued under these rules to a ship of five hundred tons gross or more which is engaged in international voyages;(f)"combustible material" means any material which is not an incombustible material;(g)"control stations" means spaces in which radio equipments, main navigating equipments, Central fire-recording equipment or the emergency generator are or is located;(h)"equivalent material" where the words are used in the expression "steel or other equivalent material" means any material which by itself or due to insulation provided, has structural and integrity properties equivalent to steel at the end of an appropriate fire test;(i)"gross tonnage" has the same meaning as is assigned to it in the Merchant Shipping (Tonnage Measurement of Ships) Rules, 1960, except that where a ship has dual tonnages, the higher of the two shall be deemed to be its tonnage for the purposes of these rules;(j)"incombustible material" means a material which neither burns nor gives off inflammable vapours in sufficient quantity to ignite at a pilot flame, when heated up to approximately 750°C.(k)"length" in relation to the length of a Ship means-(i)the length in metres on the summer load water-line from the foreside of the stem to the after side of the rudder post; or(ii)for ships with no rudder post, the length in metres from the foreside of the stem to the axis of the rudder stock; or(iii)for ships with cruiser sterns, the length in metres which shall be taken at 96 per cent of the total length on the summer load water-line or as the length from the foreside of the stem to the axis of the rudder stock whichever is greater;(l)"machinery control room" means a room from which the propelling machinery and boilers serving the needs of propulsion may be controlled;(m)"machinery space" means any space used for propelling auxiliary or refrigerating machinery, boilers, pumps, engineer's workshops, generators, ventilation or air-conditioning machinery, oil filling stations and similar spaces and trunkways to such spaces;(n)"maximum service speed" means the greatest speed which the ship is designed to maintain at sea at its deepest sea-going draught;(o)"oil fuel unit" means the equipment used for the preparation of oil fuel for delivery to the oil burners of an oilfired boiler and includes the oil pressure pumps, filters, and heaters;(p)"settling tank" means an oil storage tank having a heating surface of not less than 0.183 sq. metres per tonne of oil capacity;(q)"standard fire test" means a test in which a specimen of the material to be tested with a surface area of not less than 4.65 sq. metres and height not less than 2.44 metres, is exposed in a test furnace to a series of time temperature relationships approximately as follows, namely :-(i)at the end of the first five minutes 538°C(ii)at the end of the first ten minutes 704°C(iii)at the end of the first thirty minutes 843°C(iv)at the end of the first sixty minutes 927°C(r)"steering gear power unit" means :-(i)in the case of electro-hydraulic steering gear, the electric motor, and its associated electrical equipment; or(ii)in the case of electro-hydraulic steering gear, the electric motor, and its associated electrical equipment and connected pump;(iii)in the case of steam-hydraulic or pneumatic hydraulic steering gear, the driving engine and connected pump;(s)"suitable" in relation to material means approved by the Central Government as suitable for the purpose for which it is used;(t)"working day" means any day on which Mercantile Marine Department Offices are open for transacting business excepting a Sunday or a closed holiday including second Saturday of a month.
