Marine Machinery Regulations (SOR/90-264)

Regulations are current to 2019-07-01 and last amended on 2017-02-03. Previous Versions

SCHEDULE IILow-Pressure Steam Boilers Having a Design Working Pressure Not Exceeding 350 kPa and Hot-Water Boilers Having a Design Working Pressure Not Exceeding 1 100 kPa or a Design Temperature Not Exceeding 120°C

PART I(Section 4)Design Specifications

ItemRequirements
1None.

PART II(Section 6)Plans

ItemRequired Information
1General arrangement of the installation of the boiler in the ship, showing means of support.
2Design working pressure, temperature and evaporation rate for steam or flow rate for water.
3Heating surface area of the boiler.
4Materials, sizes and arrangements of parts under pressure, including valves.
5Details of welded seams, openings, connections, attachments and supports, including details of welding materials, methods and procedures.
6Pressure setting, relieving capacity and venting arrangement of safety valves.
7Arrangements and details of boiler feed-water controls, monitors and alarms, including emergency controls.
8Diagrammatic arrangements of fuel supply, combustion air supply, combustion controls, monitors and alarms, including emergency controls and a written description of the combustion controls.
9Where a manufacturer of a boiler certifies that the boiler was constructed in accordance with rules or codes, information set out in items 2 to 7 is not required to be submitted
  • (a) where the boiler is a steam boiler if the design working pressure of the boiler does not exceed 103 kPa; and

  • (b) where the boiler is a hot-water boiler if the design working pressure of the boiler does not exceed 210 kPa and the temperature of the hot water in the boiler will not exceed 98°C.

PART III(Subsection 12(2))Construction and Installation Inspections

DIVISION IConstruction Inspection

ItemRequirements
1Identification from material test certificates, before construction is commenced, of materials to be used, including welding metal, and of physical properties and mechanical test results obtained from material testing carried out in accordance with these Regulations.
2Verification that welding was carried out by welders certified by a Provincial Government of Canada, or another authority having similar standards where the welding was carried out outside Canada, for the class of work to be done.
3Inspection of welds, including non-destructive test examination and verification of the heat treatment process in accordance with rules or codes.
4Verification of plate preparation and alignment prior to assembly and, on completion of all construction operations, confirmation of circularity of shells of the low-pressure steam boiler or of the hot-water boiler.
5Identification from the component inspection certificates of components related to the safety of the low-pressure boiler.
6Inspection of components and their installation, including tubes and tube plates.
7Inspection of the constructed low-pressure boiler.
8Witnessing of an hydrostatic pressure test in accordance with rules or codes.

DIVISION IIInstallation Inspection

ItemRequirements
1Verification of correct alignment of securing arrangements.
2Verification of correct adjustment and operational condition of the connection of the boiler to associated systems.
3Verification of correct adjustment and operational condition of safety, control and monitoring devices.
4Witnessing of hydrostatic pressure tests at the assigned working pressure.
5Verification of reliability and sufficiency under trials up to full power under normal working conditions for a suitable endurance period of not less than 2 hours, taking into consideration the size and complexity of the boiler.

PART IVPeriodic General Inspections and Periodic Special Inspections

DIVISION I(Section 19)Periodic General Inspection

ItemRequirements
1Correct adjustment and operational condition of safety valves.
2Operational condition of water gauges and boiler valves.
3Locations where fluid leakage, metal overheating or metal wastage may occur.
4Correct adjustment and operational condition of emergency fuel shut-off valves.
5Correct adjustment of controls and monitoring systems of feed-water and fuel and its combustion.
6Operational condition of alarm systems, particularly where the boiler is designed for non-continuous local supervision.

DIVISION IIPeriodic Special Inspection

SUBDIVISION I(Subsection 20(1))Parts to be Inspected
ItemRequirements
1Internal steam and liquid spaces, as far as practicable, with all spaces cleaned and removable components removed and where, due to construction features, an adequate internal inspection cannot be carried out, a hydrostatic pressure test of 1.25 times the assigned working pressure of the boiler.
2Access and inspection openings.
3Boiler mountings, including safety valves and water-level gauges, following opening up and cleaning.
4Float chambers and float mechanisms on feed-water regulators, following opening up and cleaning.
5Pipes, actuators and other components, incorporated in self-regulating and monitoring systems, as far as practicable, without dismantling, where the general condition of the pipes, actuators and other components is adequate for further use.
6Emergency fuel shut-off devices.
7Combustion spaces following cleaning, excluding uptakes unless there is apparent damage, improper operation or deteriorated condition of the uptakes.
8Seams, mountings, seatings and welded attachments, following the removal of insulation and sheathing to the extent considered necessary by the inspector on the basis of the general condition of the boiler.
9Plate thickness testing or hydrostatic pressure testing or other non-destructive testing, if there is apparent damage, improper operation or deteriorated condition of the boiler.
10Except where, on the basis of the periodic general inspection, there is apparent damage, improper operation or deteriorated condition of components, items 1 to 9 do not apply to
  • (a) a steam boiler, the design working pressure of which does not exceed 103 kPa; and

  • (b) a hot-water boiler, the design working pressure of which does not exceed 210 kPa pressure and temperature of the hot water does not exceed 98°C.

SUBDIVISION II(Subsection 20(2))Intervals
ItemRequirements
1At intervals not exceeding 24 months.
 
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