Section 7.2 — Materials and Equipment

(1) Where unusual conditions exist such as excessively corrosive soil or water, only materials suited for use in such locations shall be used. (2) Materials and equipment used in a drainage system where excessively corrosive wastes are present shall be suitable for the purpose.

(1) Materials and equipment that have been used for a purpose other than the distribution of potable water shall not be subsequently used in a potable water system. (2) Used materials and equipment, including fixtures, shall not be reused unless they meet the requirements of this Part for new materials and equipment and are otherwise satisfactory for their intended use.

(1) Every length of pipe and every fitting shall (a) have cast, stamped or indelibly marked on it the maker's name or mark and the weight or class or quality of the product, or (b) be marked in accordance with the relevant standard. (2) Markings required in Sentence (1) shall be visible after installation. (3) The lack of certification markings on a product or plumbing component shall be regarded as proof, in the absence of evidence to the contrary, that no certification exists. (4) If a component of a plumbing system is required to be certified to a standard, the certification shall be made by a testing agency accredited for that purpose by the Standards Council of Canada.

(1) Where the term pipe or piping and fittings is used, it shall also apply to tube or tubing and fittings unless otherwise stated.

(1) Piping, fittings and joints used in pressure sewer, forcemain or sump pump discharge applications shall be capable of withstanding at least one and one-half times the maximum potential pressure.

(1) The working pressure rating of a water service pipe shall not be less than the maximum water main pressure at their point of connection as established by the water supply authority.

(1) Every fixture shall have a smooth, hard, corrosion-resistant surface free of flaws and blemishes that may interfere with cleaning.

(0.1) Water closets and urinals shall conform to the requirements in Article 7.6.1.6. (1) Except as provided in Article 7.2.2.3., (a) reserved, (b) vitreous china fixtures shall conform to ASME A112.19.2 / CSA B45.1, “Ceramic Plumbing Fixtures,” (c) enamelled cast-iron fixtures shall conform to ASME A112.19.1 / CSA B45.2, “Enamelled Cast Iron and Enamelled Steel Plumbing Fixtures,” (d) porcelain-enamelled steel fixtures shall conform to ASME A112.19.1 / CSA B45.2, “Enamelled Cast Iron and Enamelled Steel Plumbing Fixtures,” (e) stainless steel fixtures shall conform to ASME A112.19.3 / CSA B45.4, “Stainless Steel Plumbing Fixtures,” (f) plastic fixtures shall conform to CSA B45.5 / IAPMO Z124, “Plastic plumbing fixtures,” (g) hydromassage bathtubs shall conform to ASME A112.19.7 / CSA B45.10, “Hydromassage Bathtub Systems,” (h) macerating toilet systems shall conform to ASME A112.3.4 / CSA B45.9, “Macerating Toilet Systems and Waste- Pumping Systems for Plumbing Fixtures,” and (i) personal hygiene devices for water closets shall conform to ASME A112.4.2 / CSA B45.16, “Personal hygiene devices for water closets.”

(1) Shower receptors shall be constructed and arranged so that water cannot leak through the walls or floor. (See Note A-7.2.2.3.(1)) (2) Not more than 6 shower heads shall be served by a single shower drain. (3) Where 2 or more shower heads are served by a shower drain, the floor shall be sloped and the drain located so that water from one head cannot flow over the area that serves another head. (4) Except for column showers, when a battery of shower heads is installed, the horizontal distance between 2 adjacent shower heads shall be not less than 750 mm.

(1) A dishwashing sink and a food preparation sink shall not have concealed overflows. (See Note A-7.2.2.4.(1))

(1) Except for Eastern-Style toilets, where a water closet is installed in a washroom for public use it shall be of the elongated type and provided with a seat of the open front type.

(1) A lavatory that does not have an overflow shall be equipped with a centre outlet waste fitting. (See Note A- 7.2.2.6.(1))

(1) No trough urinal shall be used as part of a plumbing system.

(1) Except as provided for in Sentence (2), traps shall (a) have a trap seal depth of not less than 38 mm, (b) be so designed that failure of the seal walls will cause exterior leakage, and (c) have a water seal that does not depend on the action of moving parts. (See Note A-7.2.3.1.(1) and (3)) (2) The trap seal depth on fixtures draining to an acid waste system shall be a minimum of 50 mm. (3) Except for a floor-mounted service sink, every trap that serves a lavatory, a sink or a laundry tray shall (a) be provided with a cleanout plug located at the lowest point of the trap and of the same material as the trap, except that a cast iron trap shall be provided with a brass cleanout plug, or (b) be designed so that part of the trap can be removed for cleaning purposes. (See Note A-7.2.3.1.(1) and (3)) (4) A bell trap shall not be installed in a drainage system. (5) A drum trap shall not be installed in a drainage system. (6) Except as permitted in Sentence (7), no bottle trap shall be used in a plumbing system. (7) A bottle trap may be used on a laboratory sink or other fixture equipped with corrosion resistant fittings. (8) No running trap shall be installed in a plumbing system unless an accessible handhole is provided for cleaning of the trap, and where the trap is too small to accommodate a handhole, a cleanout shall be provided.

(1) Interceptors shall be designed so that they can be readily cleaned. (2) Grease interceptors shall be designed so that they do not become air bound. (3) Grease interceptors shall be selected and installed in conformance with (a) CSA B481.0, “Material, design, and construction requirements for grease interceptors,” and (b) CSA B481.3, “Sizing, selection, location, and installation of grease interceptors.” (See Note A-7.2.3.2.(3)) (4) Where a grease interceptor is required by Sentence 7.4.4.3.(1), the interceptor shall conform to (a) CSA B481.1, “Testing and rating of grease interceptors using lard,” or (b) CSA B481.2, “Testing and rating of grease interceptors using oil.”

(1) Tubular metal or plastic traps that conform to ASME A112.18.2 / CSA B125.2, “Plumbing Waste Fittings” shall be used only in accessible locations.

(1) A T fitting shall not be used in a drainage system except to connect a vent pipe. (2) A cross fitting shall not be used in a drainage system.

(1) A double sanitary T fitting shall not be used to connect the fixture drains of two urinals where no cleanout fitting is provided above the connection. (2) No pipe fitting, joint or connection that would tend to intercept solids or reduce the flow through a pipe by more than 10 percent shall be used in a plumbing system.

(1) Except as permitted in Sentences (2) and (3), 90° elbows of NPS 4 or less whose centre-line radius that is less than the NPS of the pipe shall not be used to join 2 sanitary drainage pipes. (2) For sanitary drainage systems of NPS 4 or less, 90° elbows described in Sentence (1) shall only be permitted (a) to change the direction of piping from horizontal to vertical, in the direction of flow, (b) where a trap arm enters a wall, or (c) to connect trap arms as permitted by Sentence 7.5.6.3.(2). (3) A 90° elbow that is part of the pre-engineered wastewater heat recovery system is permitted to have a centre-line radius that is less than the size of the pipe.

(1) No double Y, double TY, double T or double waste fitting shall be installed in a nominally horizontal soil or waste pipe.

(1) Pipe or tubing assembled to comprise a standard drain waste and venting system shall be connected with drain, waste and vent fittings in conformance with Table 7.2.4.5. Table 7.2.4.5. Pipe Arrangement for DWV Fittings Forming Part of Sentence 7.2.4.5.(1) Fittings Pipe Arrangement Acceptable Type LEGEND (DWV BRANCH FITTINGS) Vent pipe ––––––––––– Drainage pipe —————————— * Acceptable only if vertical run is of 3 inches size or larger and horizontal branches are of 11/4, 11/2, or 2 inches size 1. Straight T 6. Double Combination Y & 1/8 Bend or Double Long Turn TY 2. Double T or Cross 7. Y 3. Sanitary T or Short Turn TY 8. Double Y 4. Double Sanitary T or Short Turn Double TY 9. Double Waste Fitting 5. Combination Y & 1/8 Bend or Long Turn TY

(1) Fibrocement pipe and fittings for use in a drain, waste or vent system shall conform to CAN/CSA-B127.3, “Fibrocement drain, waste, and vent pipe and pipe fittings.”

(1) Concrete pipe shall conform to (a) CSA A257.1, “Non-reinforced circular concrete culvert, storm drain, sewer pipe, and fittings,” or (b) CSA A257.2, “Reinforced circular concrete culvert, storm drain, sewer pipe, and fittings.” (2) Joints with internal elastomeric gaskets shall conform to CSA A257.3, “Joints for circular concrete sewer and culvert pipe, manhole sections, and fittings using rubber gaskets.” (3) Concrete fittings fabricated on the site from lengths of pipe shall not be used. (See Note A-7.2.5.2.(3)) (4) Concrete pipe shall not be used above ground inside a building. (5) Precast reinforced circular concrete manhole sections, catch basins and fittings shall conform to CSA A257.4, “Precast reinforced circular concrete manhole sections, catch basins, and fittings.”

(1) Vitrified clay pipe and fittings shall be certified to CSA A60.1-M, “Vitrified Clay Pipe.” (2) Couplings and joints for vitrified clay pipe shall be certified to CSA A60.3-M, “Vitrified Clay Pipe Joints.” (3) Vitrified clay pipe and fittings shall not be used except for an underground part of a drainage system.

(1) Polyethylene water pipe, tubing and fittings shall conform to, and have a pressure rating meeting the requirements of, Series 160 or a higher series of CSA B137.1, “Polyethylene (pe) pipe, tubing and fittings for cold water pressure services.” (2) Except as permitted in Sentence 7.2.5.6.(1), polyethylene water pipe shall not be used except for a water service pipe. (3) Butt fusion fittings for polyethylene pipe shall conform to ASTM D3261, “Standard Specification for Butt Heat Fusion Polyethylene (PE) Plastic Fittings for Polyethylene (PE) Plastic Pipe and Tubing.”

(1) Polyethylene pipe used underground in a drainage system for rehabilitation of existing systems using trenchless technology shall conform to ASTM F714, “Standard Specification for Polyethylene (PE) Plastic Pipe (DR-PR) Based on Outside Diameter” and shall be HDPE 3408, SDR 17 or heavier. (See Note A-7.2.5.5.(1))

(1) Crosslinked polyethylene pipe and manufacturer-approved fittings used in hot and cold potable water systems shall conform to CSA B137.5, “Crosslinked polyethylene (PEX) tubing systems for pressure applications.” (See Note A- 7.2.5.6.(1))

(1) PVC water pipe, fittings and solvent cement shall (a) conform to CSA B137.3, “Rigid Polyvinylchloride (PVC) pipe and fittings for pressure applications” or CSA B137.2, “Polyvinylchloride (PVC) injection-moulded gasketed fittings for pressure applications,” and (b) a pressure rating of not less than 1 100 kPa. (2) PVC water pipe fittings shall conform to (a) ASTM D2466, “Standard Specification for Poly(Vinyl Chloride) (PVC) Plastic Pipe Fittings, Schedule 40,” or (b) ASTM D2467, “Standard Specification for Poly(Vinyl Chloride) (PVC) Plastic Pipe Fittings, Schedule 80.” r1 (3) PVC water pipe and fittings in Sentences (1) and (2) shall not be used in a hot water system.

(1) CPVC hot and cold water pipe, fittings and solvent cements shall be conform to CSA B137.6, “Chlorinated polyvinylchloride (CPVC) pipe, tubing and fittings for hot and cold water distribution systems.” (2) The design temperature and design pressure of a CPVC piping system shall conform to Table 7.2.5.8. Table 7.2.5.8. Maximum Permitted Pressure for CPVC Piping at Various Temperatures Forming Part of Sentence 7.2.5.8.(2) Maximum Temperature of Water, °C Maximum Permitted Pressures, kPa 10 3150 20 2900 30 2500 40 2100 50 1700 60 1300 70 1000 82 690

(See Note A-7.2.5.9. to 7.2.5.11.) (1) Plastic pipe, fittings and solvent cement used underground outside a building or under a building in a drainage system shall conform to (a) ASTM F628, “Standard Specification for Acrylonitrile-Butadiene-Styrene (ABS) Schedule 40 Plastic Drain, Waste, and Vent Pipe With a Cellular Core,” (b) CSA B181.1, “Acrylonitrile-butadiene-styrene (ABS) drain, waste, and vent pipe and pipe fittings,” (c) CSA B181.2, “Polyvinylchloride (PVC) and chlorinated polyvinylchloride (CPVC) drain, waste, and vent pipe and pipe fittings,” (d) CSA B182.1, “Plastic drain and sewer pipe and pipe fittings,” (e) CSA B182.2, “PSM type polyvinylchloride (PVC) sewer pipe and fittings,” (f) CSA B182.4, “Profile polyvinylchloride (PVC) sewer pipe and fittings,” (g) CSA B182.6, “Profile polyethylene (PE) sewer pipe and fittings for leak-proof sewer applications,” or (h) CSA B182.8, “Profile polyethylene (PE) storm sewer and drainage pipe and fittings,” for Type 1 joints and non- perforated pipes,” (i) CSA B137.2, “Polyvinylchloride (PVC) injection-moulded gasketed fittings for pressure applications”, or (j) CSA B137.3, “Rigid polyvinylchloride (PVC) pipe and fittings for pressure applications”. (2) Except as permitted in Clauses (i) and (j), plastic pipe used as described in Sentence (1) shall have a stiffness equal or greater than 320 kPa.

(1) Solvent cement for transition joints shall conform to (a) CSA B181.1, “Acrylonitrile-butadiene-styrene (ABS) drain, waste, and vent pipe and pipe fittings,” or (b) CSA B181.2, “Polyvinylchloride (PVC) and chlorinated polyvinylchloride (CPVC) drain, waste, and vent pipe and pipe fittings.” (2) Transition solvent cement shall only be used for joining an ABS drainage system to a PVC drainage system.

(See Note A-7.2.5.9. to 7.2.5.11) (1) Plastic pipe, fittings and solvent cement used inside or under a building in a sanitary drainage system or venting system shall conform to (a) ASTM F628, “Standard Specification for Acrylonitrile-Butadiene-Styrene (ABS) Schedule 40 Plastic Drain, Waste, and Vent Pipe With a Cellular Core,” (b) CSA B181.1, “Acrylonitrile-butadiene-styrene (ABS) drain, waste, and vent pipe and pipe fittings,” or (c) CSA B181.2, “Polyvinylchloride (PVC) and chlorinated polyvinylchloride (CPVC) drain, waste, and vent pipe and pipe fittings.” (1.1) Plastic pipe, fittings and solvent cement used inside a building in a storm drainage system shall conform to (a) ASTM F628, “Standard Specification for Acrylonitrile-Butadiene-Styrene (ABS) Schedule 40 Plastic Drain, Waste, and Vent Pipe With a Cellular Core,” (b) CSA B181.1, “Acrylonitrile-butadiene-styrene (ABS) drain, waste, and vent pipe and pipe fittings,” (c) CSA B181.2, “Polyvinylchloride (PVC) and chlorinated polyvinylchloride (CPVC) drain, waste, and vent pipe and pipe fittings,” (d) CSA B182.1, “Plastic drain and sewer pipe and pipe fittings,” or (e) CSA B182.2, “PSM type polyvinylchloride (PVC) sewer pipe and fittings.” (1.2) Plastic pipe used as described in Sentence (2) shall have a pipe stiffness equal or greater than 320 kPa. (2) Requirements for combustible piping in relation to fire safety shall conform to Sentences 3.1.5.19.(1) and 9.10.9.8.(3), (5) and (6), and Articles 3.1.9.4., 9.10.9.7. and 9.10.9.9. (3) Where noncombustible piping pierces a fire separation or a fire block, the requirements for fire stopping of Subsection 3.1.9., Sentence 9.10.9.6.(1) and Article 9.10.16.4. shall apply.

(1) PE/AL/PE composite pipe and fittings used for potable water systems shall conform to CSA B137.9, “Polyethylene/aluminum/polyethylene (PE-AL-PE) composite pressure-pipe systems.” (See Note A-7.2.5.12.(1)) (2) Except as provided in Sentences (3) and (4), PE/AL/PE pipe and fittings shall not be used in hot water systems. (3) PE/AL/PE pipe with a pressure rating of 690 kPa or greater at 82ºC shall be permitted for hot water systems. (4) PE/AL/PE pipe with a pressure rating of 690 kPa or greater at 82ºC shall be used with fittings that conform to CSA B137.10, “Crosslinked polyethylene/aluminum/crosslinked polyethylene (PEX-AL-PEX) composite pressure-pipe systems,” in hot water systems.

Pressure Pipe and Fittings (1) PEX/AL/PEX composite pipe and fittings used in hot and cold potable water systems shall conform to CSA B137.10, “Crosslinked polyethylene/aluminum/crosslinked polyethylene (PEX-AL-PEX) composite pressure-pipe systems.” (See Note A-7.2.5.13.(1))

(1) Polypropylene pipe and fittings used for hot and cold potable water systems shall conform to CSA B137.11, “Polypropylene (PP-R) pipe and fittings for pressure applications.” (See Note A-7.2.5.14.(1))

(1) Polyethylene of raised temperature (PE-RT) tube and manufacturer-approved fittings used in hot and cold potable water systems shall conform to CSA B137.18, “Polyethylene of raised temperature resistance (PE-RT) tubing systems for pressure applications.” (See Note A-7.2.5.15.(1)) (2) The use of PE-RT tube shall conform to Table 7.2.5.15. Table 7.2.5.15. Permitted Uses of Polyethylene of Raised Temperature (PE-RT) Tube Forming Part of Sentence 7.2.5.15.(2) Plumbing Purposes(1) Type of Drainage System Venting System Potable Water System Tube Building Aboveground Underground Above- Under- Under Outside Sewer Cold Hot inside building under building ground ground building building PE-RT N N N N N P P P P Notes to Table 7.2.5.15.: (1) P = permitted and N = not permitted.

(1) Cellular core PVC pipe shall (a) conform to ASTM F3128, “Standard Specification for Poly(Vinyl Chloride) (PVC) Schedule 40 Drain, Waste, and Vent Pipe with a Cellular Core,” and (b) be light grey, as specified in CSA B181.2, “Polyvinylchloride (PVC) and chlorinated polyvinylchloride (CPVC) drain, waste, and vent pipe and pipe fittings.” (2) Fittings and solvent cements for cellular core PVC pipe shall conform to CSA B181.2, “Polyvinylchloride (PVC) and chlorinated polyvinylchloride (CPVC) drain, waste, and vent pipe and pipe fittings.” (3) Cellular core PVC pipe shall only be used in residential buildings containing 1 or 2 dwelling units and in row houses that do not exceed 3 storeys in height.

(1) Drainage piping, vent piping and fittings made of cast iron shall conform to CSA B70, “Cast iron soil pipe, fittings, and means of joining.” (2) Cast-iron soil pipe and fittings shall not be used in a water system.

(1) Cast-iron frames and covers for maintenance holes and catch basins shall conform to CSA B70.1, “Frames and Covers for Maintenance Holes and Catchbasins.”

(1) Threaded cast-iron drainage fittings shall conform to ASME B16.12, “Cast Iron Threaded Drainage Fittings.” (2) Threaded cast-iron drainage fittings shall not be used in a water system.

(1) Cast-iron water pipes shall conform to ANSI/AWWA C151 / A21.51, “Ductile-Iron Pipe, Centrifugally Cast.” (2) Cement mortar lining for cast-iron water pipes shall conform to ANSI/AWWA C104 / A21.4, “Cement-Mortar Lining for Ductile-Iron Pipe and Fittings.” (3) Cast-iron fittings for cast-iron or ductile-iron water pipes shall conform to ANSI/AWWA C110 / A21.10, “Ductile- Iron and Gray-Iron Fittings.” (4) Rubber gasket joints for cast-iron and ductile-iron pressure pipe for water shall conform to ANSI/AWWA C111 / A21.11, “Rubber-Gasket Joints for Ductile-Iron Pressure Pipe and Fittings.”

(1) Screwed cast-iron water fittings shall conform to ASME B16.4, “Gray Iron Threaded Fittings: Classes 125 and 250.” (2) Screwed cast-iron water fittings used in a water system shall be cement-mortar lined or galvanized. (3) Screwed cast iron water fittings shall not be used in a drainage system.

(1) Screwed malleable-iron water fittings shall conform to ASME B16.3, “Malleable Iron Threaded Fittings: Classes 150 and 300.” (2) Screwed malleable-iron water fittings used in a water system shall be cement-mortar lined or galvanized. (3) Screwed malleable-iron water fittings shall not be used in a drainage system.

(1) Except as provided in Sentences (2) and (3), welded and seamless steel pipe shall not be used in a plumbing system. (2) Galvanized steel pipe is permitted to be used in a drainage system or a venting system above ground inside a building. (3) Galvanized steel pipe and fittings shall not be used in a water distribution system except (a) in buildings of industrial occupancy, or (b) for the repair of existing galvanized steel piping systems. (See Note A-7.2.6.7.(3)) (4) Galvanized steel pipe and fittings shall conform to ASTM A53 / A53M, “Standard Specification for Pipe, Steel, Black and Hot Dipped, Zinc-Coated Welded and Seamless.” (5) Where galvanized steel pipe is used in a drainage system, it shall be used with drainage fittings. (6) All steel pipe of NPS 4 and smaller shall be Schedule 40 or heavier and fittings of less than NPS 2 shall be galvanized screw fittings.

(1) Corrugated steel pipe and couplings shall conform to CAN/CSA-G401, “Corrugated steel pipe products”. (2) Corrugated steel pipe shall only be used underground outside a building in a storm drainage system. (3) Couplings for corrugated steel pipe shall be constructed so that when installed they shall (a) maintain the pipe alignment, (b) resist the separation of adjoining lengths of pipe, (c) prevent root penetration, and (d) prevent the infiltration of surrounding material.

(1) A sheet metal leader shall not be used except above ground outside a building.

(1) Stainless steel pipe shall conform to (a) ASME B36.19M, “Stainless Steel Pipe,” and (b) ASTM A312 / A312M, “Standard Specification for Seamless, Welded, and Heavily Cold Worked Stainless Steel Pipes.” (2) Only grade 304/304L or 316/316L stainless steel pipe shall be used.

(1) Stainless steel butt weld pipe fittings shall conform to (a) ASME B16.9, “Factory-Made Wrought Buttwelding Fittings,” and (b) ASTM A403 / A403M, “Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings”. (2) Stainless steel butt weld pipe fittings shall be made of a material that matches the grade of the pipe material used.

(1) Stainless steel pipe flanges shall conform to ASME B16.5, “Pipe Flanges and Flanged Fittings: NPS ½ through NPS 24 Metric/Inch Standard,” and (a) ASTM A182 / A182M, “Standard Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service,” or (c) ANSI/AWWA C228, “Stainless-Steel Pipe Flanges For Water Service – Sizes 2 in. through 72 in. (50 mm through 1,800 mm).” (2) Stainless steel pipe flanges shall be made of a material that matches the grade of the pipe material used.

(1) Stainless steel threaded fittings shall be Schedule 40 or greater conforming to (a) ASTM A182 / A182M, “Standard Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service,” or (b) ASTM A351 / A351M, “Standard Specification for Castings, Austenitic, for Pressure-Containing Parts.” (2) Stainless steel threaded fittings shall be made of a material that matches the grade of the pipe material used.

(1) Stainless steel tube shall conform to (a) ASME B16.9, “Factory-Made Wrought Buttwelding Fittings,” and (b) ASTM A269, “Standard Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Service.” (2) Only grade 304/304L or 316/316L stainless steel tubes shall be used.

(1) The use of stainless steel pipe and tube shall conform to Table 7.2.6.15. Table 7.2.6.15. Permitted Use of Stainless Steel Pipe and Tube Forming Part of Sentence 7.2.6.15.(1) Plumbing Purposes(1) Stainless Steel Pipe Water Distribution System Drainage System Venting System or Tube Building Sewer Underground Aboveground Underground Aboveground Underground Aboveground Stainless steel pipe P P P P P P P Stainless steel tube P P N N N N N Notes to Table 7.2.6.15.: (1) P = Permitted and N = Not Permitted

(1) Copper pipe shall conform to (a) ASTM B42, “Standard Specification for Seamless Copper Pipe, Standard Sizes,” and (b) Table 7.2.7.4. (2) Brass pipe shall conform to ASTM B43, “Standard Specification for Seamless Red Brass Pipe, Standard Sizes.”

(1) Brass or bronze pipe flanges and flanged fittings shall conform to ASME B16.24, “Cast Copper Alloy Pipe Flanges, Flanged Fittings, and Valves: Classes 150, 300, 600, 900, 1500, and 2500.”

(1) Brass or bronze threaded water fittings shall conform to ASME B16.15, “Cast Copper Alloy Threaded Fittings: Classes 125 and 250.” (2) Brass or bronze threaded water fittings shall not be used in a drainage system.

(1) Copper tube shall conform to, (a) ASTM B88, “Standard Specification for Seamless Copper Water Tube,” or (b) ASTM B306, “Standard Specification for Copper Drainage Tube (DWV).” (2) Except as provided in Sentence (3), the use of copper tube shall conform to Table 2.2.7.4. Table 7.2.7.4. Permitted Use of Copper Tube and Pipe Forming Part of Sentences 7.2.7.1.(1) and 7.2.7.4.(2) Type of Copper Tube Water Distribution System Building Drainage System Venting System or Pipe Underground Above-ground Sewer Underground Above-ground Underground Above-ground K & L hard temper N P P P P P P K & L soft temper P P N N N N N M hard temper N P N N P N P M soft temper N N N N N N N DWV N N N N P N P Notes to Table 7.2.7.4.: (1) P = Permitted and N = Not Permitted. (3) Copper tube shall not be used for the fixture drain or the portion of the vent pipe below the flood level rim of a urinal. (4) Copper tube used in a plumbing appliance shall conform to (a) ASTM B88, “Standard Specification for Seamless Copper Water Tube,” or (b) ASTM B68 / B68M, “Standard Specification for Seamless Copper Tube, Bright Annealed.” (5) Type K or L copper tube shall be used for the potable water side of a heat exchanger in a pre-engineered wastewater 5eat recovery system.

(1) Solder-joint fittings for drainage systems shall conform to (a) ASME B16.23, “Cast Copper Alloy Solder Joint Drainage Fittings: DWV,” or (b) ASME B16.29, “Wrought Copper and Wrought Copper Alloy Solder Joint Drainage Fittings – DWV.” (2) Solder-joint fittings for drainage systems shall not be used in a water system.

(1) Except as provided in Sentence (2), solder-joint fittings for water systems shall conform to (a) ASME B16.18, “Cast Copper Alloy Solder Joint Pressure Fittings,” or (b) ASME B16.22, “Wrought Copper and Copper Alloy Solder Joint Pressure Fittings”. (2) Solder-joint fittings for water systems not made by casting or the wrought process shall conform to the applicable requirements of ASME B16.18, “Cast Copper Alloy Solder Joint Pressure Fittings.”

(1) Flared-joint fittings for copper tube water systems shall conform to ASME B16.26, “Cast Copper Alloy Fittings for Flared Copper Tubes.” (2) Flared-joint fittings for copper tube water systems not made by casting shall conform to the applicable requirements of ASME B16.26, “Cast Copper Alloy Fittings for Flared Copper Tubes.”

(1) Lead waste pipe and fittings shall not be used in a water system or as a building sewer. (2) When there is a change in nominal pipe size (NPS) of a lead water closet bend, the change shall be in the vertical section of the bend or made in a manner that prevents the retention of liquid in the bend.

(1) Pipes and fittings to be used for drainage and venting of acid and corrosive wastes shall conform to (a) ASTM A518 / A518M, “Standard Specification for Corrosion-Resistant High-Silicon Iron Castings,” (b) ASTM C1053, “Standard Specification for Borosilicate Glass Pipe and Fittings for Drain, Waste, and Vent (DWV) Applications,” or (c) CSA B181.3, “Polyolefin and polyvinylidene fluoride (PVDF) laboratory drainage systems.”

(1) Cement mortar shall not be used for jointing.

(1) Solders for solder joint fittings shall conform to ASTM B32, “Standard Specification for Solder Metal.” (2) Solders and fluxes having a lead content in excess of 0.2% shall not be used in a potable water system. (3) Fluxes for soldered joints shall conform to ASTM B813, “Standard Specification for Liquid and Paste Fluxes for Soldering of Copper and Copper Alloy Tube.” (4) Brazing alloys shall conform to ANSI/AWS A5.8M / A5.8, “Specification for Filler Metals for Brazing and Brazed Welding,” BCuP range.

(1) Brass floor flanges shall conform to CSA B158.1, “Cast Brass Solder Joint Drainage, Waste and Vent Fittings.” (2) ABS floor flanges shall conform to CSA B181.1, “Acrylonitrile-butadiene-styrene (ABS) drain, waste, and vent pipe and pipe fittings.” (3) PVC floor flanges shall conform to CSA B181.2, “Polyvinylchloride (PVC) and chlorinated polyvinylchloride (CPVC) 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 corrosion-resistant materials when used (a) to connect a water closet to a floor flange, (b) to anchor the floor 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, “Groove- and Shoulder-Type Mechanical Pipe Couplings.” (2) Mechanical couplings for DWV and Sewer Pipe shall conform to 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, venting or water systems. (See Note A-7.2.10.5.(1)) (2) A saddle hub or saddle clamp may be installed in a building drain or building sewer of nominal diameter not less than 8 in. 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 fittings shall conform to (a) ASME A112.18.1 / CSA B125.1, “Plumbing Supply Fittings,” or (b) CSA B125.3, “Plumbing Fittings.” (2) Except for lavatories in healthcare facilities, emergency eye washes, and emergency showers, supply fittings and individual shower heads shall have an integral means of limiting the maximum water flow rate to that specified in Table 7 .2.10.6. (See Note A-7.2.10.6.(2)) Table 7.2.10.6. Water Flow Rates from Supply Fittings Forming Part of Sentence 2.2.10.6.(2) Supply Fittings Maximum Water Flow Rate, LPM Lavatory supply fittings private 5.7 public 1.9 Kitchen supply fittings (except those in industrial, commercial or institutional 8.3 kitchens) Shower heads 7.6 (2.1) Sentence (2) does not apply to a fixture located in a heritage building. (3) Reserved. (4) Reserved. (5) Reserved. (6) Waste fittings shall conform to ASME A112.18.2 / CSA B125.2, “Plumbing Waste Fittings.” (7) Manually operated valves of NPS 4 or less for use in plumbing systems shall conform to ASME A112.4.14 / CSA B125.14, “Manually Operated Valves for Use in Plumbing Systems.” (See Note A-7.2.10.6.(7))

(1) Except as provided in Sentences (2) and (3), water supplied to shower heads or bathtubs shall be controlled by an automatic compensating valve conforming to (a) ASME A112.18.1 / CSA B125.1, “Plumbing Supply Fittings,” or (b) ASSE 1016 / ASME A112.1016 / CSA B125.16, “Performance Requirements for Automatic Compensating Valves for Individual Showers and Tub/Shower Combinations.” (2) The requirement in Sentence (1) is permitted to be waived where hot water supplied only to bathtubs is controlled by (a) an automatic compensating valve conforming to CSA B125.3, “Plumbing fittings,” or (b) a temperature-limiting device conforming to ASSE 1070 / ASME A112.1070 / CSA B125.70, “Performance requirements for water temperature limiting devices.” (3) The requirement in Sentence (1) is permitted to be waived where the water is supplied by a single tempered water line controlled by an automatic compensating valve conforming to CSA B125.3, “Plumbing fittings.” r1 (4) Except as provided in Sentences (5) and (6) and 7.2.10.7A.(1), the temperature of water discharging from a shower head or into a bathtub shall not exceed 49°C. (5) In healthcare facilities and retirement homes, the temperature of water discharging from a shower head or into a bathtub shall (a) not exceed 43°C, and (b) be adjusted at the shower or bathtub controls. (6) Sentence (4) does not apply to hot water supplied to installed dishwashers or clothes washers.

r1 (1) A water distribution system supplying hot water to any bathtub, shower or hand basin that is accessible to a patient or resident in a Group B, Division 2 or 3 occupancy or a resident of a group home, home for special care or residence for adults with developmental disabilities, or children within child care facilities shall have one or more temperature gauges and control devices that are (a) accessible only to supervisory staff, and (b) capable of being adjusted to ensure that the temperature of the water supplied to the fixtures does not exceed 43°C.

(1) Except as provided for in Sentences (2) and (3), all valves supplying fixed location shower heads, shall be individually pressure-balanced or thermostatic-mixing valves, conforming to ASME A112.18.1 / CSA B125.1, “Plumbing Supply Fittings.” (2) An individually pressure-balanced or thermostatic-mixing valve is not required for shower heads having a single tempered water supply that is controlled by an automatic compensating valve conforming to CSA B125.3, “Plumbing fittings.” (3) Deck-mounted, hand-held, flexible-hose spray attachments are exempt from the thermal shock requirements of Sentences (1) and (4). (4) Pressure-balanced, thermostatic-mixing or combination pressure-balanced and thermostatic-mixing type valves shall be (a) capable of limiting thermal shock, and (b) designed so that the outlet temperature does not exceed 49°C or equipped with high-limit stops which shall be adjusted to a maximum hot water setting of 49°C.

(1) Linings and coatings of water storage tanks that come into contact with potable water and are not within a secondary suite or an individual dwelling unit shall conform to NSF/ANSI 61, “Drinking Water System Components - Health Effects.”

(1) Every direct flush valve shall (a) open fully and close positively under service pressure, (b) complete their cycle of operation automatically, (c) be provided with a means of regulating the volume of water that they discharge, and (d) be provided with a vacuum breaker unless the fixture is designed so that back-siphonage cannot occur, and (e) conform to ASSE 1037 / ASME A112.1037 / CSA B125.37, “Performance requirements for pressurized flushing devices for plumbing fixtures.”

(1) The orifice of drinking fountain bubblers shall (a) be of the shielded type, and (b) direct the water upward to an angle of approximately 45°. (2) Drinking fountain bubblers 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 conform to (a) CSA B64.0, “Definitions, general requirements and test methods for vacuum breakers and backflow preventers,” (b) CSA B64.1.1, “Atmospheric vacuum breakers (AVB),” (c) CSA B64.1.2, “Pressure vacuum breakers (PVB),” (d) CSA B64.1.3, “Spill-resistant pressure vacuum breakers (SRPVB),” (d.1) CSA B64.1.4, “Vacuum breaker, air space type (ASVB),” (e) CSA B64.2, “Hose connection vacuum breakers (HCVB),” (f) CSA B64.2.1, “Hose connection vacuum breakers (HCVB) with manual draining feature,” (f.1) CSA B64.2.1.1, “Hose connection dual check vacuum breakers (HCDVB),” (g) CSA B64.2.2, “Hose connection vacuum breakers (HCVB) with automatic draining feature,” (h) CSA B64.3, “Dual check valve backflow preventers with atmospheric port (DCAP),” (h.1) CSA B64.3.1, “Dual check valve backflow preventers with atmospheric port for carbonators (DCAPC),” (i) CSA B64.4, “Reduced pressure principle (RP) backflow preventers,” (j) CSA B64.5, “Double check valve (DCVA) backflow preventers,” (k) CSA B64.5.1, “Double check valve backflow preventers for fire protection systems (DCVAF),” (l) CSA B64.6, “Dual check valve (DuC) backflow preventers,” (m) CSA B64.6.1, “Dual check valve backflow preventers for fire protection systems (DuCF),” (n) CSA B64.7, “Laboratory faucet vacuum breakers (LFVB),” (o) CSA B64.8, “Dual check valve backflow preventers with intermediate vent (DuCV),” (p) CSA B64.9, “Single check valve backflow preventers for fire protection systems (SCVAF),” or (q) CSA B64.10, “Selection and installation of backflow preventers.” (2) Back-Back-siphonage preventers for tank-type water closets (anti-siphon fill valves) shall conform to ASSE 1002 / ASME A112.1002 / CSA B125.12, “Anti-siphon fill valves for water closet tanks.”

(1) Temperature-relief, pressure-relief, combined temperature- and pressure-relief and vacuum-relief valves shall conform to ANSI Z21.22 / CSA 4.4, “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 for solar heating of potable water shall conform to CAN/CSA-F379 SERIES, “Packaged 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 not less than 0.33 mm thick, (b) aluminum sheet not less than 0.48 mm thick, (c) alloyed zinc sheet not less than 0.35 mm thick, (d) lead sheet not less than 1.73 mm thick, (e) galvanized steel sheet not less than 0.33 mm thick, or (f) polychloroprene (neoprene) not less than 2.89 mm thick. (2) Prefabricated flashing for vent pipes shall conform to CSA B272, “Prefabricated Self-Sealing Roof Vent Flashings.” (See Article 7.5.6.5. for location of vent pipe terminals.)

(1) Factory built water hammer arresters shall conform to ANSI/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.” (See Note A-7.2.10.16.(1))

(1) A drinking water treatment system or device shall conform to CAN/CSA-B483.1, “Drinking Water Treatment Systems.”

(1) Flexible water connectors exposed to continuous pressure shall conform to ASME A112.18.6 / CSA B125.6, “Flexible water connectors.”

(1) Except as provided in Articles 7.2.11.2. to 7.2.11.4., and 7.3.7.2, the design, construction, installation and testing of fire service mains and water service pipe combined with fire service mains shall be in conformance with NFPA 24, “Installation of Private Fire Service Mains and Their Appurtenances.”

(1) Water service pipes and fire service mains shall conform to the standards for the materials listed in Table 7.2.11.2. Table 7.2.11.2. Water Service Pipe and Fire Service Main Materials Forming Part of Sentence 7.2.11.2.(1) Material Standard Limitations Conform to Series 160 or a higher series of CSA Polyethylene pipe and B137.1, “Polyethylene (PE) Pipe, tubing and fittings for fittings cold water pressure services” Crosslinked polyethylene Conform to CSA B137.5, “Crosslinked polyethylene pressure pipe or tube and (PEX) tubing systems for pressure applications” fittings Conform to CSA B137.3, “Rigid polyvinylchloride (PVC) pipe and fittings for pressure applications”, or certified to Pipe and fittings must have a rated working PVC pipe and fittings CSA B137.2, “Polyvinylchloride (PVC) injection-moulded pressure of 1 100 kPa or more gasketed fittings for pressure applications” The design temperature and pressure shall Conform to CSA B137.6, “Chlorinated polyvinylchloride conform to the requirements of the CSA B137.6, CPVC pipe and fittings (CPVC) pipe, tubing and fittings for hot and cold water “Chlorinated polyvinylchloride (CPVC) pipe, distribution systems” tubing and fittings for hot and cold water distribution systems” Pipe shall have a cement-mortar lining Conform to ANSI/AWWA C151 / A21.51, “Ductile-Iron conforming to ANSI/AWWA C104 / A21.4, Cast-iron water pipe Pipe, Centrifugally Cast” “Cement-Mortar Lining for Ductile-Iron Pipe and Fittings” Pipe shall have a cement-mortar lining Iron fittings for cast-iron or Conform to ANSI/AWWA C110 / A21.10, “Ductile-Iron conforming to ANSI/AWWA C104 / A21.4, ductile-iron water pipes and Gray-Iron Fittings” “Cement-Mortar Lining for Ductile-Iron Pipe and Fittings” Rubber gasket joints for Conform to ANSI/AWWA C111 / A21.11, “Rubber cast-iron and ductile-iron Gasket Joints for Ductile-Iron Pressure Pipe and water pipes Fittings” Screwed cast-iron water Conform to ASME B16.4, “Gray Iron Threaded Fittings: Screwed cast-iron water fittings shall be fittings Classes 125 and 250” cement-mortar lined or galvanized Certified to ASTM B88, “Standard Specification for Type K soft copper tube Seamless Copper Water Tube” Conform to ASME B16.18, “Cast Copper Alloy Solder Solder-joint fittings not made by casting or the Solder-joint fittings for Joint Pressure Fittings”, or conform to ASME B16.22, wrought process shall conform to the applicable copper water systems “Wrought Copper and Copper Alloy Solder-Joint requirements of ASME B16.18, “Cast Copper Pressure Fittings” Alloy Solder-Joint Pressure Fittings” Flared-joint fittings not made by casting shall Flared-joint fittings for Conform to ASME B16.26, “Cast Copper Alloy Fittings conform to ASME B16.26, “Cast Copper Alloy copper water systems for Flared Copper Tubes” Fittings for Flared Copper Tubes” Conform to CSA B137.9, “Polyethylene/aluminum/ PE/AL/PE pipe and fittings polyethylene (PE-AL-PE) composite pressure-pipe systems” Conform to CSA B137.10, “Crosslinked polyethylene/ PEX/AL/PEX pipe and aluminum/crosslinked polyethylene (PEX-AL-PEX) fittings composite pressure-pipe systems”

(1) Except as provided in Sentence (2), every non-metallic water service pipe or fire service main shall have attached to it (a) a 14 gauge TW solid copper light coloured plastic coated tracer wire, or (b) a 12 gauge copper clad steel light coloured plastic coated tracer wire. (2) Where a water service pipe or fire service main is detectable without the tracer wire referenced in Sentence (1), the tracer wire may be omitted.

(1) Where a water service pipe is supplied with water by more than one drinking water system, a check valve shall be installed at each connection with a drinking water system. (2) Where a fire service main is supplied with water by more than one source, a check valve shall be installed at each connection with a source of water.