7.2.10.

(1) Brass floor flanges shall be certified to CSA B158.1, “Cast Brass Solder Joint Drainage, Waste and Vent Fittings”.

(2) ABS floor flanges shall be certified to CAN/CSA-B181.1, “ABS Drain, Waste, and Vent Pipe and Pipe Fittings”.

(3) PVC floor flanges shall be certified to CAN/CSA-B181.2, “PVC Drain, Waste, and Vent Pipe and Pipe Fittings”.

(4) Cast iron, copper and aluminum floor flanges shall be suitable for the purpose.

(1) Every screw, bolt, nut and washer shall be of materials that are resistant to corrosion, when used,

(a) to connect a water closet to a water closet flange,

(b) to anchor the water closet flange to the floor,

(c) to anchor the water closet to the floor, or

(d) to hold cleanout covers or floor drain grates.

(1) Every plug, cap, nut or bolt that is intended to be removable from a ferrous fitting shall be of a non-ferrous material.

(2) A cleanout fitting that as a result of normal maintenance operations cannot withstand the physical stresses of removal and reinstallation or cannot ensure a gas-tight seal shall not be installed.

(3) A screw cap or test cap shall not be used as a cleanout plug or cover.

(1) Groove and shoulder type mechanical pipe couplings shall conform to CSA B242-M, “Groove and Shoulder Type Mechanical Pipe Couplings”.

(2) Mechanical Couplings for DWV and Sewer Pipe shall be certified to CAN/CSA-B602, “Mechanical Couplings for Drain, Waste, and Vent Pipe and Sewer Pipe”.

(1) Except as provided in Sentence (2), a saddle hub or fitting shall not be installed in drainage systems, venting systems or water systems.

(2) A saddle hub or saddle clamp may be installed in a building drain or building sewer of nominal diameter not less than eight inches and that is in service provided that the connecting branch is at least two pipe sizes smaller than the run of the building drain or building sewer to which it is connected.

(1) Supply and waste fittings shall be certified to CAN/CSA-B125, “Plumbing Fittings”.

(1) Every direct flush valve shall,

(a) open fully and close positively under service pressure,

(b) complete its cycle of operation automatically,

(c) be provided with a means of regulating the volume of water that it discharges, and

(d) be provided with a vacuum breaker unless the fixture is designed so that back-siphonage cannot occur.

(1) The orifice of every drinking fountain bubbler shall,

(a) be of the shielded type, and

(b) direct the water upward to an angle of approximately 45°.

(2) Every drinking fountain bubbler shall include a means of regulating the flow to the orifice.

(1) Except as provided in Sentence (2) back-siphonage preventers and backflow preventers shall be certified to,

(a) CAN/CSA-B64.0, “Definitions, General Requirements and Test Methods for Vacuum Breakers and Backflow Preventers”,

(b) CAN/CSA-B64.1.1, “Vacuum Breakers, Atmospheric Type (AVB)”,

(c) CAN/CSA-B64.1.2, “Vacuum Breakers, Pressure Type (PVB)”,

(d) CAN/CSA-B64.2, “Vacuum Breakers, Hose Connection Type (HCVB)”,

(e) CAN/CSA-B64.2.1, “Vacuum Breakers, Hose Connection Type (HCVB) with Manual Draining Feature,”

(f) CAN/CSA-B64.2.2, “Vacuum Breakers, Hose Connection type (HCVB) with Automatic Draining Feature,”

(g) CAN/CSA-B64.3, “Backflow Preventers, Dual Check Valve with Atmospheric Port Type (DCAP)”,

(h) CAN/CSA-B64.4, “Backflow Preventers, Reduced Pressure Principle Type (RP)”,

(i) CAN/CSA-B64.5, “Backflow Preventers, Double Check Valve Type (DCVA)”,

(j) CAN/CSA-B64.6, “Backflow Preventers, Dual Check Valve Type (DuC)”,

(k) CAN/CSA-B64.7, “Vacuum Breakers, Laboratory Faucet Type (LFVP)”,

(l) CAN/CSA-B64.8, “Backflow Preventers, Dual Check with Intermediate Vent Type (DuCV)”, or

(m) CAN/CSA-B64.10, “Manual for the Selection and Installation of Backflow Prevention Devices”.

(2) Back-siphonage preventers for tank type water closets shall be certified to CAN/CSA-B125, “Plumbing Fittings”.

(1) Temperature relief, pressure relief, combined temperature and pressure relief and vacuum relief valves shall conform to ANSI Z21.22 / CSA 4.4-M, “Relief Valves for Hot Water Supply Systems”.

(1) Direct acting water pressure reducing valves for domestic water supply systems shall conform to CAN/CSA-B356, “Water Pressure Reducing Valves for Domestic Water Supply Systems”.

(1) Equipment forming part of a packaged system for solar heating of potable water, shall conform to CAN/CSA-F379.1, “Solar Domestic Hot Water Systems (Liquid to Liquid Heat Transfer)”.

(1) Flashing fabricated on-site for vent pipes shall be fabricated from,

(a) copper sheet at least 0.33 mm thick,

(b) aluminum sheet at least 0.61 mm thick,

(c) alloyed zinc sheet at least 0.35 mm thick,

(d) lead sheet at least 2.16 mm thick,

(e) galvanized steel sheet at least 0.41 mm thick, or

(f) polychloroprene (neoprene) at least 2.89 mm thick.

(2) Prefabricated flashing for vent pipes shall be certified to CSA B272, “Prefabricated Self-Sealing Vent Flashings”.

(1) Factory built water hammer arresters shall conform to ASSE 1010, “Water Hammer Arresters”.

(1) Air admittance valves shall conform to ASSE 1051, “Individual and Branch Type Air Admittance Valves for Sanitary Drainage Systems”.