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  1. Marine Machinery Regulations - SOR/90-264 (SCHEDULE VIII : Remote Control and Monitoring Systems in Periodically Unattended Machinery Spaces)

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    Item Requirements
    1 Internal combustion engines of 2250 kW or more or having cylinders of more than 300 mm bore shall be provided with crankcase oil mist detectors, engine-bearing temperature monitors or equivalent devices.
    12 An alarm system that meets the requirements of items 7 to 9 of Division II shall be provided for all pressures, temperatures, fluid levels and other data essential to the safe operation of the ship.

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    Item Requirements
    14 Automatic operation shall include, as applicable, controls and monitors for fuel flow and temperature, combustion air flow, burner flame, feed-water flow, feed-water contamination by salt or oil, boiler pressure and hot-air heating unit circulating air flow.
    55 If fuel tanks are required to be heated, fuel oil temperature shall be monitored and thermostatically controlled or the fuel tanks shall be fitted with a high-temperature audible and visual alarm in accordance with subitem 65(f)(iii).
    65 Where applicable and subject to item 66, the following monitors and audible and visual alarms shall be fitted at the central control location:
    SERVICE MONITOR ALARM

    • (v) Exhaust Gas Temperature

    		 High

    • (vii) Lubricating Oil Temperature

    		 High

    • (ix) Coolant Temperature

    		 High

    • (x) Piston Coolant Temperature (if separate system)

    		 High

    • (xi) Thrust Block Temperature

    		 High

    • (iii) Exhaust Gas Temperature

    		 High

    • (v) Lubricating Oil Temperature

    		 High

    • (vii) Coolant Temperature

    		 High

    • (ix) Fuel Oil Temperature

    		 High/Low

    • (iii) Fuel Service Tank Oil Temperature, where required

    		 High

    • (xi) Machinery Spaces High Temperature

    		 Detection
    66 For ships of 150 tons gross tonnage and less, only the following monitors and alarms shall be fitted at the bridge control location:
    SERVICE MONITOR ALARM

    • (iv) Exhaust Gas Temperature

    		 High

    • (vi) Lubricating Oil Temperature, monitor only

    		 —

    • (viii) Coolant Temperature

    		 High

    • (ix) Thrust Block Temperature, if independently lubricated

    		 High

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  2. Marine Machinery Regulations - SOR/90-264 (SCHEDULE XVI)

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    General Design Specifications

    Item Requirements
    1 For ships operating in extremely cold conditions, the design of all essential liquid or steam systems prone to frost damage or operational impairment shall take into account those operational conditions and the low-temperature characteristics of CO2 and any other gases to be used in a ship system.
    3 Materials subjected to stress at high or low temperatures shall be resistant to failure due to such temperatures.

  3. Marine Machinery Regulations - SOR/90-264 (SCHEDULE XII : Fuel Oil Systems)

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    Item Requirements
    2 Fuel oil for fixed installations may have a flash-point of not less than 43°C (closed cup test) where

    • (a) the ship is on geographically restricted voyages and measures are taken so that the ambient temperature of the spaces in which the fuel is stored or used does not rise to within 10°C below the flash-point of the fuel;
    6 For ships operating in extremely cold conditions with exposed fuel oil piping to the emergency generator from an external deck-mounted fuel tank, means shall be taken so that the fuel oil viscosity will not adversely affect oil flow and where warming systems are used, the system shall incorporate a heat-limiting device to ensure that the oil is not heated to a temperature exceeding 20°C.

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  4. Marine Machinery Regulations - SOR/90-264 (SCHEDULE VII : Steering Systems, Shipside Components and Windlasses)

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    Item Requirements
    3 In determining the scantlings of components of rudder actuators subject to internal hydraulic pressure, the following stresses are permitted:

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    SB 
    is the specified minimum tensile strength of material at ambient temperature
    Sy 
    is the specified minimum yield stress or 0.2 per cent proof stress of material at ambient temperature

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  5. Marine Machinery Regulations - SOR/90-264 (SCHEDULE XV : Bilge and Ballast Pumping Systems, Heeling, Trimming and Passive Roll Stabilizing Tank Filling and Emptying Systems)

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    Item Requirements
    111 All sounding pipes for compartments or tanks that pass through refrigerated spaces, or the insulation thereof, and in which the temperature is 0°C or below, shall be suitably insulated and the internal diameter of the pipes shall not be less than 65 mm.

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