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• 24 (1) At a quadrennial or quinquennial inspection of a ship not over five years old, the following requirements shall apply:

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  • (d) coal bunkers shall be cleared and ceiling removed as in the holds; in the case of Great Lakes ships, however, cleaning and ceiling removal shall be at the discretion of the inspector;

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  • (g) all scupper and sanitary discharge valves, excluding those connected to the machinery, not recorded as having been inspected since the first inspection, shall be opened up. All side scuttles shall be examined and, where required to have special locking arrangements, those locking arrangements shall be tested and the inspector shall take such steps as are necessary to ensure that proper instructions with regard to these arrangements are posted in the chart room;

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  • (l) where peak tanks or deep tanks for carrying water ballast are fitted, their watertightness shall be tested as prescribed in paragraph 7(1)(b);

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  • (p) double bottom and deep tanks used exclusively for oil fuel or for oil fuel and fresh water, and oil fuel bunkers, need not be examined internally if after a general inspection and testing as required by paragraphs (k) or (o) their condition is found to be satisfactory;

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  • (t) anchors and other equipment shall be inspected; chain cables shall be ranged and inspected; where any length of chain cable is found to be reduced in diameter at any part to the extent indicated in Schedule IV, it shall be renewed; where renewal of anchors or cables is required, a certificate shall be produced to show that the replacement has been tested as prescribed by Schedule II, III or V; the interior of the chain locker shall be cleared and cleaned and the compartment inspected;

• (2) Oil tankers are subject to the following additional requirements:

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  • (c) each oil compartment and cofferdam, except in a case where the cofferdam between the engine room and the cargo tanks is used as a pump room, shall be tested by being filled with water to the top of the hatchway in the expansion trunk or cofferdam; provided that the tanks may be filled to the light water line when the ship is in dry dock and the remainder of the test carried out afloat; the centre line bulkhead need not be tested independently. Where a pump room forms the cofferdam between cargo tanks and the machinery space, the inspector shall be satisfied that the integrity of the engine room bulkhead is being maintained; and

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28 Inspection of the statutory equipment required to be carried in a ship shall be as follows:

• (1) Lifeboats:

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  • (e) new lifeboat installations shall be tested with the full equipment and distributed weights representing the complement required to be on board at the time of launching, plus 10 per cent of the complement weight (the weight of an adult shall be taken as 75 kg); and

  • (f) all air cases, or approved portable substitutes therefor, shall be removed from lifeboats for complete inspection and testing at intervals not exceeding four years; where the approved substitute for air cases forms an integral part of the lifeboat, the inspector shall take drillings as he considers necessary to determine the condition of the substitute material.

• (2) Life rafts:

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  • (c) all air cases, or approved portable substitutes therefor, shall be removed for complete inspection and testing at intervals not exceeding four years; where the approved substitute for air cases forms an integral part of the life raft the inspector shall take drillings as he considers necessary to determine the condition of the substitute material.

• (3) Buoyant apparatus:

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  • (c) all air cases, or approved substitutes therefor, shall be removed for complete inspection and testing at intervals not exceeding four years; where the approved substitute for air cases forms an integral part of the buoyancy unit, the inspector shall take drillings as he considers necessary to determine the condition of the substitute material.

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26 At a quadrennial or quinquennial inspection of a ship over 10 years old but not over 24 years old, in addition to the requirements of sections 24 and 25, the following requirements shall apply:

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• (b) casings of pipes, spar ceiling and lining in way of the side scuttles shall be removed as required by the inspector;

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• (e) subject to paragraph (f), all tanks that are used exclusively for oil fuel, oil fuel and fresh water or lubricating oil, and all cofferdams adjacent to such tanks, shall be thoroughly cleaned, gas-freed and examined internally, except that

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  • (ii) in the case of a ship more than 15 but not more than 20 years old, only one oil fuel double bottom tank amidships, one forward and one aft, and one deep tank need be examined internally, and such tanks should be selected so that as many different tanks as possible are examined internally before the ship is 20 years old;

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• (h) in the case of wooden ships, the requirements for boring, fastening and removal of ceiling, as specified for previous quadrennial inspection, shall be augmented to the extent considered necessary by the inspector; hull sheathing shall be removed as considered necessary to facilitate complete examination of the hull;

23 The annual inspection referred to in subsection 18(1) shall be carried out as follows:

• (a) the ship shall be inspected externally and internally as far as may be possible without extensive opening up, and tests, if found necessary, shall be conducted to the inspector’s satisfaction to ensure that conditions are satisfactory. Where a definite standard of subdivision has been approved, inspection shall be made to ensure that the watertight compartments and all arrangements and details connected with the subdivision are in order and that no changes affecting them have been made;

• (b) alterations in approved subdivision arrangements and details, including watertight and non-watertight longitudinal bulkheads if fitted, appropriation of space below the bulkhead deck, and other alterations that have been made since the previous inspection shall be reported in detail; special attention shall be given to parts in the structure that are particularly subject to excessive deterioration from such causes as chafing, lying on the ground, or the handling of cargo;

• (c) all side scuttles shall be examined, and where they are required to have special locking arrangements, the locking arrangements shall be tested and the inspector shall take such steps as are necessary to ensure that proper instructions with regard to these arrangements are posted in the chart room;

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• (3) At the inspection referred to in paragraph (1)(b) and subparagraph (2)(a)(ii), the following requirements apply:

  • (a) subject to paragraph (b), the shell plating of a ship shall be drilled at such parts as may be considered necessary to ascertain its thickness and for this purpose the following requirements apply:

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  • (b) in the case of a Great Lakes ship, the inspector shall satisfy himself that the condition of the shell plating is satisfactory and in so doing he shall

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    • (ii) ascertain the thickness of the shell plating by drilling holes in such places as he deems necessary;

  • (c) where the holds of a ship are insulated for the purpose of carrying refrigerated cargo, and the hull covered by insulation was inspected when the insulation was fitted, insulation additional to that removed pursuant to paragraph 26(j) shall be removed in each of the chambers in order to allow the condition of the framing and plating to be ascertained and the shell plating drilled as prescribed in paragraph (a); and

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