jswizzle3737/ontario_laws_and_regs huggingface dataset:
Notes to Table 5.10.1.1.:
7.2.5.12. Plastic Pipe, Fittings and Solvent Cement Used in Buildings (1) Plastic pipe, fittings and solvent cement used inside or under a building in a sanitary drainage system
or venting system shall be certified to, (a) ASTM F628, “Acrylonitrile-Butadiene-Styrene (ABS) Schedule 40 Plastic Drain, Waste, and Vent Pipe With a Cellular Core”, (b) CAN/CSA-B181.1, “Acrylonitrile-Butadiene-Styrene (ABS) Drain, Waste, and Vent Pipe and Pipe Fittings”, or (c) CAN/CSA-B181.2, “Polyvinylchloride (PVC) and Chlorinated Polyvinylchloride (CPVC) Drain, Waste, and Vent Pipe and Pipe Fittings”. (2) Plastic pipe, fittings and solvent cement used inside a building in a storm drainage system
shall be certified to, (a) ASTM F628, “Acrylonitrile-Butadiene-Styrene (ABS) Schedule 40 Plastic Drain, Waste, and Vent Pipe With a Cellular Core”, (b) CAN/CSA-B181.1, “Acrylonitrile-Butadiene-Styrene (ABS) Drain, Waste, and Vent Pipe and Pipe Fittings”, (c) CAN/CSA-B181.2, “Polyvinylchloride (PVC) and Chlorinated Polyvinylchloride (CPVC) Drain, Waste, and Vent Pipe and Pipe Fittings”, (d) CAN/CSA-B182.1, “Plastic Drain and Sewer Pipe and Pipe Fittings”, or (e) CAN/CSA-B182.2, “PSM Type Polyvinylchloride (PVC) Sewer Pipe and Fittings”. (3) Plastic pipe used as described in Sentence (2) shall have a pipe stiffness equal or greater than 320 kPa. (4) Requirements for combustible piping in relation to fire safety shall conform to Sentences 3.1.5.16.(1) and 9.10.9.6.(2) to (8) and Articles 3.1.9.4. and 9.10.9.7. (5) 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.
Notes to Table 5.10.1.1.:
7.2.5.13. Polyethylene/Aluminum/Polyethylene Composite Pipe and Fittings (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”. (2) Except as provided in Sentences (3) and (4), PE/AL/PE pipe and fittings shall not be used in a hot water system. (3) PE/AL/PE pipe with a pressure rating of 690 kPa or greater at 82ºC shall be permitted in a hot water system. (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 a hot water system.
Notes to Table 5.10.1.1.:
7.2.5.14. Crosslinked Polyethylene/Aluminum/Polyethylene Composite Pipe and Fittings (1) PEX/AL/PEX composite pipe and fittings used for potable water systems shall conform to CSA B137.10, “Crosslinked Polyethylene/Aluminum/Crosslinked Polyethylene (PEX-AL-PEX) Composite Pressure-Pipe Systems”.
Notes to Table 5.10.1.1.:
7.2.5.15. Polypropylene Pipe and Fittings (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”. 7.2.6. Ferrous Pipe and Fittings
Notes to Table 5.10.1.1.:
7.2.6.1. Cast Iron Frames, Covers, Drainage and Vent Pipe and Fittings (1) Drainage piping, vent piping and fittings made of cast iron shall be certified to CAN/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. (3) Cast iron frames and covers for maintenance holes and catch basins shall conform to CAN/CSA-B70.1, “Frames and Covers for Maintenance Holes and Catchbasins”.
Notes to Table 5.10.1.1.:
7.2.6.2. Reserved
Notes to Table 5.10.1.1.:
7.2.6.3. Threaded Cast Iron Drainage Fittings (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.
Notes to Table 5.10.1.1.:
7.2.6.4. Cast Iron Water Pipe (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 piping shall conform to ANSI/AWWA C111/A21.11, “Rubber-Gasket Joints for Ductile-Iron Pressure Pipe and Fittings”.
Notes to Table 5.10.1.1.:
7.2.6.5. Screwed Cast Iron Water 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.
Notes to Table 5.10.1.1.:
7.2.6.6. Screwed Malleable Iron Water Fittings (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.
Notes to Table 5.10.1.1.:
7.2.6.7. Steel Pipe (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 may 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. (4) Galvanized steel pipe and fittings shall conform to ASTM A53/A53M, “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 4 in. size and smaller shall be schedule 40 or heavier and fittings of less than 2 in. size shall be galvanized screw fittings.
Notes to Table 5.10.1.1.:
7.2.6.8. Corrugated Steel Pipe and Couplings (1) Corrugated steel pipe and couplings shall be certified 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.
Notes to Table 5.10.1.1.:
7.2.6.9. Sheet Metal Leaders (1) A sheet metal leader shall not be used except above ground outside a building.
Notes to Table 5.10.1.1.:
7.2.6.10. Stainless Steel Pipe (1) Stainless steel pipe shall conform to, (a) ASME B36.19M, “Stainless Steel Pipe”, and (b) ASTM A312 / A312M, “Seamless, Welded, and Heavily Cold Worked Stainless Steel Pipes”. (2) Only grade 304/304L or 316/316L stainless steel pipe shall be used.
Notes to Table 5.10.1.1.:
7.2.6.11. Stainless Steel Butt Weld Pipe Fittings (1) Stainless steel butt weld pipe fittings shall conform to, (a) ASME B16.9, “Factory-Made Wrought Buttwelding Fittings”, and (b) ASTM A403 / A403M, “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.
Notes to Table 5.10.1.1.:
7.2.6.12. Stainless Steel Pipe Flanges (1) Stainless steel pipe flanges shall, (a) conform to ASME B16.5, “Pipe Flanges and Flanged Fittings: NPS ½ through NPS 24 Metric/Inch Standard”, and (b) conform to ASTM A182 / A182M, “Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service”, or 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.
Notes to Table 5.10.1.1.:
7.2.6.13. Stainless Steel Threaded Fittings (1) Stainless steel threaded fittings shall be Schedule 40 or greater and shall conform to, (a) ASTM A182 / A182M, “Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service”, or (b) ASTM A351 / A351M, “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.
Notes to Table 5.10.1.1.:
7.2.6.14. Stainless Steel Tube (1) Stainless steel tube shall conform to, (a) ASME B16.9, “Factory-Made Wrought Buttwelding Fittings”, and (b) ASTM A269, “Seamless and Welded Austenitic Stainless Steel Tubing for General Service”. (2) Only grade 304/304L or 316/316L stainless steel tubes shall be used.
Notes to Table 5.10.1.1.:
7.2.6.15. Stainless Steel Pipe and Tube (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 Tube and Pipe Forming Part of Sentence 7.2.6.15.(1) Item   Column 1 Stainless Steel Tube or Pipe   Column 2 Underground Water Distribution System   Column 3 Above-ground Water Distribution System   Column 4 Building Sewer   Column 5 Underground Drainage System   Column 6 Above-ground Drainage System   Column 7 Underground Venting System   Column 8 Above-ground Venting System 

  1.   Stainless steel pipe    P   P   P   P   P   P   P 

  2.   Stainless steel tube    P   P   N   N   N   N   N
Notes to Table 7.2.6.15.:
7.2.7.1. Copper and Brass Pipe (1) Copper pipe shall conform to ASTM B42, “Seamless Copper Pipe, Standard Sizes”. (2) Brass pipe shall conform to ASTM B43, “Seamless Red Brass Pipe, Standard Sizes”.
Notes to Table 7.2.6.15.:
7.2.7.2. Brass or Bronze Pipe Flanges and Flanged Fittings (1) Brass or bronze pipe flanges and flanged fittings shall conform to ASME B16.24, “Cast Copper Alloy Pipe Flanges and Flanged Fittings: Classes 150, 300, 600, 900, 1500 and 2500”.
Notes to Table 7.2.6.15.:
7.2.7.3. Brass or Bronze Threaded Water Fittings (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.
Notes to Table 7.2.6.15.:
7.2.7.4. Copper Tube (1) Copper tube in a plumbing system shall, (a) be certified to ASTM B88, “Seamless Copper Water Tube”, or (b) comply with ASTM B306, “Copper Drainage Tube (DWV)”. (2) The use of copper tube shall conform to Table 7.2.7.4. Table 7.2.7.4.   Permitted Use of Copper Tube and Pipe Forming Part of Sentence 7.2.7.4.(2) Item   Column 1 Type of Copper Tube or Pipe   Column 2 Underground Water Distribution System   Column 3 Above-ground Water Distribution System   Column 4 Building Sewer   Column 5 Underground Drainage System   Column 6 Above-ground Drainage System   Column 7 Underground Venting System   Column 8 Above-ground Venting System 

  1.   K & L hard   N   P   P   P   P   P   P 

  2.   K & L soft   P   P   N   N   N   N   N 

  3.   M hard   N   P   N   N   P   N   P 

  4.   M soft   N   N   N   N   N   N   N 

  5.   DWV   N   N   N   N   P   N   P
Notes to Table 7.2.7.4.:
7.2.7.5. Solder-Joint Drainage Fittings (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.
Notes to Table 7.2.7.4.:
7.2.7.6. Solder-Joint Water Fittings (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”.
Notes to Table 7.2.7.4.:
7.2.7.7. Flared-Joint Fittings for Copper Tube Water Systems (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”.
Notes to Table 7.2.7.4.:
7.2.7.8. Lead Waste Pipe and Fittings (1) Lead waste pipe and fittings shall not be used in a water system or for a building sewer. (2) When there is a change in size of a lead closet bend, the change shall be in the vertical section of the bend or made in such a manner that there shall be no retention of liquid in the bend. 7.2.8. Corrosion Resistant Materials
Notes to Table 7.2.7.4.:
7.2.8.1. Pipe and Fittings (1) Pipes and fittings to be used for drainage and venting of acid and corrosive wastes shall conform to, (a) ASTM A518/A518M, “Corrosion-Resistant High-Silicon Iron Castings”, (b) ASTM C1053, “Borosilicate Glass Pipe and Fittings for Drain, Waste, and Vent (DWV) Applications”, or (c) CAN/CSA-B181.3, “Polyolefin and Polyvinylidene Fluoride (PVDF) Laboratory Drainage Systems”. 7.2.9. Jointing Materials
Notes to Table 7.2.7.4.:
7.2.9.1. Cement-Mortar (1) Cement-mortar shall not be used for jointing.
Notes to Table 7.2.7.4.:
7.2.9.2. Solder and Fluxes (1) Solders for solder joint fittings shall conform to ASTM B32, “Solder Metal” in accordance with the recommended use. (2) Solders and fluxes having a lead content in excess of 0.2 per cent shall not be used in a potable water system. (3) Fluxes for soldered joints shall conform to ASTM B813, “Liquid and Paste Fluxes for Soldering of Copper and Copper Alloy Tube”. (4) Brazing alloys shall conform to ANSI/AWS A5.8M/A5.8, “Filler Metals for Brazing and Braze Welding”, BCuP range. 7.2.10. Miscellaneous Materials
Notes to Table 7.2.7.4.:
7.2.10.1. Floor Flanges (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, “Acrylonitrile-Butadiene-Styrene (ABS) Drain, Waste, and Vent Pipe and Pipe Fittings”. (3) PVC floor flanges shall be certified to CAN/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.
Notes to Table 7.2.7.4.:
7.2.10.2. Screws, Bolts, Nuts and Washers (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 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.
Notes to Table 7.2.7.4.:
7.2.10.3. Cleanout Fittings (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.
Notes to Table 7.2.7.4.:
7.2.10.4. Mechanical Couplings (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 be certified to CSA B602, “Mechanical Couplings for Drain, Waste, and Vent Pipe and Sewer Pipe”.
Notes to Table 7.2.7.4.:
7.2.10.5. Saddle Hubs (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 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.
Notes to Table 7.2.7.4.:
7.2.10.6. Supply and Waste Fittings (1) Supply fittings shall conform to ASME A112.18.1 / CSA B125.1, “Plumbing Supply Fittings” or CSA B125.3, “Plumbing Fittings”. (2) Waste fittings shall conform to ASME A112.18.2 / CSA B125.2, “Plumbing Waste Fittings”.
Notes to Table 7.2.7.4.:
7.2.10.7. Linings and Coatings of Domestic Water Tanks (1) Linings and coatings of domestic water tanks that come into contact with potable water shall be certified to NSF/ANSI 61, “Drinking Water System Components - Health Effects”.
Notes to Table 7.2.7.4.:
7.2.10.8. Direct Flush Valves (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.
Notes to Table 7.2.7.4.:
7.2.10.9. Drinking Fountain Bubblers (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.
Notes to Table 7.2.7.4.:
7.2.10.10. Back-Siphonage Preventers and Backflow Preventers (1) Except as provided in Sentence (2), back-siphonage preventers
and backflow preventers shall be certified 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)”, (e) CSA B64.1.4, “Vacuum Breaker, Air Space Type (ASVB)”, (f) CSA B64.2, “Hose Connection Vacuum Breakers (HCVB)”, (g) CSA B64.2.1, “Hose Connection Vacuum Breakers (HCVB) with Manual Draining Feature”, (h) CSA B64.2.1.1, “Hose Connection Dual Check Vacuum Breakers (HCDVB)”, (i) CSA B64.2.2, “Hose Connection Vacuum Breakers (HCVB) with Automatic Draining Feature”, (j) CSA B64.3, “Dual Check Valve Backflow Preventers with Atmospheric Port (DCAP)”, (k) CSA B64.3.1, “Dual Check Valve Backflow Preventers with Atmospheric Port for Carbonators (DCAPC)”, (l) CSA B64.4, “Reduced Pressure Principle (RP) Backflow Preventers”, (m) CSA B64.5, “Double Check Valve (DCVA) Backflow Preventers”, (n) CSA B64.6, “Dual Check Valve (DuC) Backflow Preventers”, (o) CSA B64.7, “Laboratory Faucet Vacuum Breakers (LFVB)”, (p) CSA B64.8, “Dual Check Valve Backflow Preventers with Intermediate Vent (DuCV)”, or (q) CSA B64.10, “Selection and Installation of Backflow Preventers”. (2) Back-siphonage preventers (anti-siphon fill valves) for tank type water closets shall be certified to CSA B125.3, “Plumbing Fittings”.
Notes to Table 7.2.7.4.:
7.2.10.11. Relief Valves (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”.
Notes to Table 7.2.7.4.:
7.2.10.12. Reducing Valves (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”.
Notes to Table 7.2.7.4.:
7.2.10.13. Solar Domestic Hot Water (1) Equipment forming part of a packaged system for solar heating of potable water, shall conform to CAN/CSA-F379.1, “Packaged Solar Domestic Hot Water Systems (Liquid-to-Liquid Heat Transfer) for All-Season Use”.
Notes to Table 7.2.7.4.:
7.2.10.14. Vent Pipe Flashing (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 0.48 mm thick, (c) alloyed zinc sheet at least 0.35 mm thick, (d) lead sheet at least 1.73 mm thick, (e) galvanized steel sheet at least 0.33 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 Roof Vent Flashings”.
Notes to Table 7.2.7.4.:
7.2.10.15. Water Hammer Arresters (1) Factory built water hammer arresters shall conform to ANSI/ASSE 1010, “Water Hammer Arresters”.
Notes to Table 7.2.7.4.:
7.2.10.16. Air Admittance Valves (1) Air admittance valves shall conform to ASSE 1051, “Individual and Branch Type Air Admittance Valves for Sanitary Drainage Systems”.
Notes to Table 7.2.7.4.:
7.2.10.17. Drinking Water Treatment Systems (1) A drinking water treatment system or device shall be certified to CAN/CSA-B483.1, “Drinking Water Treatment Systems”. 7.2.11. Water Service Pipes and Fire Service Mains
Notes to Table 7.2.7.4.:
7.2.11.1. Design, Construction, Installation and Testing (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”.
Notes to Table 7.2.7.4.:
7.2.11.3. Tracer Wire (1) Except as provided in Sentence (2), a 14 gauge TW solid copper light coloured plastic coated tracer wire shall be attached to every non-metallic water service pipe or fire service main. (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.
Notes to Table 7.2.7.4.:
7.2.11.4. Required Check Valve (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. Section 7.3. Piping 7.3.1. Application
Notes to Table 7.2.7.4.:
7.3.1.1. Application (1) This Section applies to the construction
and use of joints and connections, and the arrangement, protection, support and testing of piping. 7.3.2. Construction and Use of Joints
Notes to Table 7.2.7.4.:
7.3.2.1. Caulked Lead Drainage Joints (1) Every caulked lead drainage joint shall be firmly packed with oakum and tightly caulked with lead to a depth of at least 25 mm. (2) No paint, varnish or other coating shall be applied on the lead until after the joint has been tested. (3) Caulked lead drainage joints shall not be used except for cast iron pipe in a drainage system or venting system, or between such pipe and, (a) other ferrous pipe, (b) brass and copper pipe, (c) a caulking ferrule, or (d) a trap standard. (4) A length of hub and spigot pipe and pipe fittings in a drainage system shall be installed with the hub at the upstream end.
Notes to Table 7.2.7.4.:
7.3.2.2. Wiped Joints (1) Wiped joints shall not be used except for sheet lead or lead pipe, or between such pipe and copper pipe or a ferrule. (2) Every wiped joint in straight pipe shall, (a) be made of solder, (b) have an exposed surface on each side of the joint at least 19 mm wide, and (c) be at least 10 mm thick at the thickest part. (3) Every wiped flanged joint shall be reinforced with a lead flange that is at least 19 mm wide.
Notes to Table 7.2.7.4.:
7.3.2.3. Screwed Joints (1) In making a screwed joint, the ends of the pipe shall be reamed or filed out to the size of the bore and all chips and cuttings shall be removed. (2) No pipe-joint cement or paint shall be applied to the internal threads.
Notes to Table 7.2.7.4.:
7.3.2.4. Solder Joints (1) Soldered joints shall be made in accordance with ASTM B828, “Making Capillary Joints by Soldering of Copper and Copper Alloy Tube and Fittings”.
Notes to Table 7.2.7.4.:
7.3.2.5. Flared Joints (1) In making a flared joint, the pipe shall be expanded with a proper flaring tool. (2) Flared joints shall not be used for hard (drawn) copper tube.
Notes to Table 7.2.7.4.:
7.3.2.6. Mechanical Joints (1) Mechanical joints shall be made with compounded elastomeric couplings or rings held by stainless steel or cast iron clamps or contained within a compression connection or groove and shoulder type mechanical coupling.
Notes to Table 7.2.7.4.:
7.3.2.7. Cold-Caulked Joints (1) Cold-caulked joints shall not be used except for bell and spigot pipe in a water system, a drainage system or a venting system. (2) The caulking compound used in cold-caulked joints shall be applied according to the manufacturer’s directions. (3) Every cold-caulked joint in a drainage system
shall be firmly packed with oakum and tightly caulked with cold caulking compound to a depth of at least 25 mm.
Notes to Table 7.2.7.4.:
7.3.2.8. Stainless Steel Welded Joints (1) Stainless steel welded joints shall conform to ASME B31.9, “Building Services Piping”. (2) Butt weld pipe fittings shall be at least as thick as the wall of the pipe used. 7.3.3. Joints and Connections
Notes to Table 7.2.7.4.:
7.3.3.1. Drilled and Tapped Joints (1) Except as provided in Sentences (2) to (4), no water distributing pipe, drainage pipe or fittings shall be drilled, tapped or swaged. (2) A water distributing pipe may be drilled or tapped to provide for a mechanically extracted T in copper tubing of Type L or K provided that all branch connections shall be notched and dimpled to limit depth of insertion and conform to the inner contour of the main. (3) A copper water distributing pipe of 1 in. size or larger may be mechanically swaged to permit the joining of other copper pipe of equal size. (4) A drainage pipe or fitting may be drilled or tapped, (a) to provide for the connection of a
trap seal primer line, (b) to connect a device designed to dispense germicidal or odour control chemicals or trap
seal water to a floor drain downstream of a vacuum breaker
or flush valve in a flush tube connected to a sanitary unit, (c) to provide a hole for a branch connection to a drainage pipe, where the branch connection is made with a saddle hub as permitted by Article 7.2.10.5. and where the hole is drilled to provide a smooth clean hole of the required size and orientation, or (d) to provide for the connection of pipe or fittings to metal or rigid plastic pipe and fittings where the pipe or fittings are thick enough to be threaded or are bossed for tapping. (5) No pipe adaption shall be made by the use of a bushing that leaves a square edge or shoulder on the inside of the pipe or fitting.
Notes to Table 7.2.7.4.:
7.3.3.2. Reserved
Notes to Table 7.2.7.4.:
7.3.3.3. Prohibition of Welding of Pipes and Fittings (1) Cast iron soil pipe and fittings shall not be welded. (2) Galvanized steel pipe and fittings shall not be welded.
Notes to Table 7.2.7.4.:
7.3.3.4. Unions and Slip Joints (1) Running thread and packing nut connections and unions with a gasket seal shall not be used downstream of a trap weir in a drainage system or in a venting system. (2) A slip joint shall not be used, (a) in a venting system, or (b) in a drainage system, except to connect a fixture trap to a fixture drain in an
accessible location.
Notes to Table 7.2.7.4.:
7.3.3.5. Increaser or Reducer (1) Every connection between two pipes of different size shall be made with an increaser or a reducer fitting installed so that it will permit the system to be completely drained.
Notes to Table 7.2.7.4.:
7.3.3.6. Connection of Dissimilar Materials (1) Adapters, connectors or mechanical joints used to join dissimilar materials shall be designed to accommodate the required transition.
Notes to Table 7.2.7.4.:
7.3.3.7. Connection of Roof Drain to Leader (1) Every roof drain shall be securely connected to a leader and provision shall be made for expansion.
Notes to Table 7.2.7.4.:
7.3.3.8. Connection of Floor Outlet Fixtures (1) Every pedestal urinal, floor-mounted water closet or S-trap standard shall be connected to a fixture drain by a floor flange or other means of connection, except that a cast iron trap standard
may be caulked to a cast iron pipe. (2) Except as provided in Sentence (3), every floor flange shall be of brass. (3) Where cast iron or plastic pipe is used, a floor flange of the same material may be used. (4) Every floor flange and fixture shall be securely set on a firm base and fastened to the floor or trap
flange of the fixture. (4.1) Every joint in a floor flange or between a fixture and the drainage system shall be sealed with a resilient, watertight and gas-tight seal. (5) Where a lead water closet stub is used, the length of the stub below the floor flange shall be at least 75 mm.
Notes to Table 7.2.7.4.:
7.3.3.9. Expansion and Contraction (1) The design and installation of every piping system shall, where necessary, include means to accommodate expansion and contraction of the piping system caused by temperature change or building
shrinkage.
Notes to Table 7.2.7.4.:
7.3.3.10. Copper Tube (1) Types M and DWV copper tube shall not be bent. (2) Bends in copper tubing of soft or bending temper shall be made with tools manufactured and sized for the purpose.
Notes to Table 7.2.7.4.:
7.3.3.11. Indirect Connections (1) Where a fixture or device is indirectly connected, the connections shall be made by terminating the fixture drain above the flood level rim of a directly connected fixture to form an air break. (2) The size of the air break shall be at least 25 mm.
Notes to Table 7.2.7.4.:
7.3.3.12. Copper Joints Used Underground (1) Except as provided in Sentence (2), joints in copper tubes installed underground shall be, (a) made with either flared or compression fittings, or (b) brazed using a brazing alloy within the American Welding Society’s AWS-BCuP range. (2) Compression fittings shall not be used underground under a building. 7.3.4. Support of Piping
Notes to Table 7.2.7.4.:
7.3.4.1. Capability of Support (1) Piping shall be provided with support that is capable of keeping the pipe in alignment and bearing the weight of the pipe and its contents. (2) Every floor or wall mounted water closet bowl shall be securely attached to the floor or wall by means of a flange and shall be stable. (3) Every wall mounted fixture shall be supported so that no strain is transmitted to the piping.
Notes to Table 7.2.7.4.:
7.3.4.2. Independence of Support (1) Piping, fixtures, tanks or devices shall be supported independently of each other.
Notes to Table 7.2.7.4.:
7.3.4.3. Insulation of Support (1) Where a hanger or support for copper tube or brass or copper pipe is of a material other than brass or copper, it shall be suitably separated and electrically insulated from the pipe or tube to prevent galvanic action. (2) Where a hanger or support for stainless steel pipe or tube is of a material other than stainless steel, it shall be suitably separated and electrically insulated from the pipe or tube.
Notes to Table 7.2.7.4.:
7.3.4.4. Support for Vertical Piping (1) Except as provided in Sentence (2), vertical piping shall be supported at its base and at the floor level of alternate storeys
by rests, each of which can bear the weight of pipe that is between it and the rest above it. (2) The maximum spacing of supports shall be 7.5 m.
Notes to Table 7.2.7.4.:
7.3.4.6. Support for Underground Horizontal Piping (1) Except as provided in Sentence (2), nominally horizontal piping that is underground shall be supported on a base that is firm and continuous under the whole of the pipe. (2) Nominally horizontal piping installed underground that is not supported as described in Sentence (1) may be installed using hangers fixed to a foundation or structural slab provided that the hangers are capable of, (a) keeping the pipe in alignment, and (b) supporting the weight, (i) of the pipe, (ii) its contents, and (iii) the fill over the pipe.
Notes to Table 7.2.7.4.:
7.3.4.7. Support for Vent Pipe Above a Roof (1) Where a vent pipe terminates above the surface of a roof, it shall be supported or braced to prevent misalignment.
Notes to Table 7.2.7.4.:
7.3.4.8. Compression Fittings (1) No compression fitting connecting to plain end pipe or tube shall be used in a plumbing system unless the pipe or tube and fittings are sufficiently stayed, clamped, anchored or buttressed so as to prevent separation during normal service of the system allowing for surge pressures.
Notes to Table 7.2.7.4.:
7.3.4.9. Thrust Restraint of Water Service Pipes (1) Pipe clamps and tie-rods, thrust blocks, locked mechanical or push-on joints, mechanical joints utilizing set screw retainer glands, or other suitable means of thrust restraint shall be provided at each change of direction of a water service pipe 4 in. or more in size and at all tees, plugs, caps and bends. (2) Backing for underground water service pipes
shall be placed, (a) between undisturbed earth and the fitting to be restrained and shall be of sufficient bearing area to provide adequate resistance to the thrust to be encountered, and (b) so that the joints will be accessible for inspection and repair. (3) Concrete thrust blocks shall have a minimum compressive strength of not less than 10 MPa after 28 days. (4) Thrust blocks shall not be used to restrain vertical pipe. 7.3.5. Protection of Piping
Notes to Table 7.2.7.4.:
7.3.5.1. Backfill of Pipe Trench (1) Where piping is installed underground, the backfill shall be carefully placed and tamped to a height of 300 mm over the top of the pipe and shall be free of stones, boulders, cinders and frozen earth.
Notes to Table 7.2.7.4.:
7.3.5.2. Protection of Non-Metallic Pipe (1) Where vitrified clay is located less than 600 mm below a basement floor and the floor is constructed of other than 75 mm or more of concrete, the pipe shall be protected by a 75 mm layer of concrete installed above the pipe.
Notes to Table 7.2.7.4.:
7.3.5.3. Isolation from Loads (1) Where piping passes through or under a wall, it shall be installed so that the wall does not bear on the pipe.
Notes to Table 7.2.7.4.:
7.3.5.4. Protection from Frost (1) Where piping may be exposed to freezing conditions, it shall be protected from the effects of freezing.
Notes to Table 7.2.7.4.:
7.3.5.5. Protection from Mechanical Damage (1) Plumbing, piping and equipment exposed to mechanical damage shall be protected.
Notes to Table 7.2.7.4.:
7.3.5.6. Protection from Condensation (1) Piping used for internal leaders, which may be subject to condensation, shall be installed in a manner that limits the risk of damage to the building due to condensation.
Notes to Table 7.2.7.4.:
7.3.5.7. Spatial Separation (1) Except as permitted in Sentences (2) and (3), a buried water service pipe shall be separated from the building drain, building sewer
and a private sewage disposal system, by not less than 2 440 mm measured horizontally, of undisturbed or compacted earth. (2) The water service pipe may be closer than 2 440 mm or be placed in the same trench with the building drain or building sewer if, (a) the following conditions are met: (i) the bottom of the water service pipe at all points is at least 500 mm above the top of the building drain or building sewer, and (ii) when in a common trench with the building drain or building sewer, the water service pipe is placed on a shelf at one side of the common trench, (b) the water service pipe is constructed of a single run of pipe with no joints or fittings between the street line or source of supply on the property and the inside face of the building, or (c) the building drain or building sewer is constructed of piping which is pressure tested in accordance with Subsection 7.3.7. at 345 kPa. (3) A buried water service pipe may pass under a building drain or building sewer if, (a) a vertical separation of not less than 500 mm is provided between the invert of the building drain or building sewer and the crown of the
water service pipe, (b) adequate structural support is provided for the building drain or building sewer to prevent excessive deflection of joints and settling, and (c) the length of the water service pipe is located so that there are no joints within 2 440 mm measured horizontally from the intersection with the building drain or building sewer. (4) A buried water service pipe shall be constructed of a single run of pipe with no joints or fittings between the street line or source of supply on the property and the inside face of the building if the water service pipe
is less than 15 m from, (a) a private sewage disposal system, or (b) a source of pollution other than a
private sewage disposal system. 7.3.6. Testing of Drainage and Venting Systems
Notes to Table 7.2.7.4.:
7.3.6.1. Tests and Inspection of Drainage or Venting Systems (1) Except in the case of an external leader, after a section of drainage system or a venting system has been roughed in, and before any fixture is installed or piping is covered, a water or an air test shall be conducted. (2) Where a chief building official requires a final test, it shall be carried out after every fixture
is installed and before any part of the drainage system
or venting system is placed in operation. (3) Where a prefabricated system is assembled off the building site in such a manner that it cannot be inspected and tested on site, off-site inspections and tests shall be conducted. (4) Where a prefabricated system is installed as part of a drainage system and venting system, all other plumbing work shall be tested and inspected and a final test shall be carried out on the complete system. (5) A ball test shall be carried out on a sanitary building drain, sanitary building sewer, storm building drain and a storm building sewer buried underground. (6) A sewer lateral extension need not be tested and inspected if the sewer lateral extension
was constructed, tested and inspected at the time of the installation of the public sewer.
Notes to Table 7.2.7.4.:
7.3.6.2. Tests of Pipes in Drainage Systems (1) Every pipe in a drainage system, except an external leader or fixture outlet pipe, shall be capable of withstanding without leakage a water test, air test and final test.
Notes to Table 7.2.7.4.:
7.3.6.3. Tests of Venting Systems (1) Every venting system shall be capable of withstanding without leakage a water test, air test and final test.
Notes to Table 7.2.7.4.:
7.3.6.4. Water Tests in Drain, Waste and Vent Systems (1) Where a water test is made, all joints shall be tested with a water column of not less than 3 m. (2) In making a water test, (a) every opening except the highest shall be tightly closed with a testing plug or a test cap, and (b) the system or the section shall be kept filled with water for 15 min.
Notes to Table 7.2.7.4.:
7.3.6.5. Air Tests (1) Where an air test is made, it shall be conducted in accordance with the manufacturer’s instructions for the piping materials, and, (a) air shall be forced into the system until a gauge pressure of 35 kPa is created, and (b) this pressure shall be maintained for at least 15 min without a drop in pressure.
Notes to Table 7.2.7.4.:
7.3.6.6. Final Tests (1) Where a final test is made, (a) every trap
shall be filled with water, (b) the bottom of the system being tested shall terminate at the building trap, test plug or cap, (c) except as provided in Sentence (2), smoke from smoke-generating machines shall be forced into the system, (d) when the smoke appears from all roof terminals they shall be closed, and (e) a pressure equivalent to a 25 mm water column shall be maintained for 15 min without the addition of more smoke. (2) The smoke referred to in Clauses (1)(c) and (d) may be omitted provided the roof terminals are closed and the system is subjected to an air pressure equivalent to a 25 mm water column maintained for 15 min without the addition of more air.
Notes to Table 7.2.7.4.:
7.3.6.7. Ball Tests (1) Where a ball test is made, a hard ball dense enough not to float shall be rolled through the pipe. (2) The diameter of the ball shall be not less than 50 mm where the size of the pipe is 4 in. or more. 7.3.7. Testing of Potable Water Systems
Notes to Table 7.2.7.4.:
7.3.7.1. Application of Tests (1) After a section of a potable water system has been completed, and before it is placed in operation, a water test or an air test shall be conducted. (2) A test may be applied to each section of the system or to the system as a whole. (3) Where a prefabricated system is assembled off the building site in such a manner that it cannot be inspected and tested on site, off-site inspections and tests shall be conducted. (4) Where a prefabricated system is installed as part of a water system, (a) all other plumbing
work shall be tested and inspected, and (b) the complete system shall be pressure tested.
Notes to Table 7.2.7.4.:
7.3.7.2. Tests of Potable Water Systems (1) Every potable water system shall be capable of, (a) withstanding without leakage a water pressure that is at least 1 000 kPa for at least 1 h, or (b) withstanding for at least 2 h without a drop in pressure an air pressure that is at least 700 kPa.
Notes to Table 7.2.7.4.:
7.3.7.3. Water Tests (1) Where a water test is made, all air shall be expelled from the system before fixture control valves or faucets are closed. (2) Potable water shall be used to test a potable water system. Section 7.4. Drainage Systems 7.4.1. Application
Notes to Table 7.2.7.4.:
7.4.1.1. Application of Drainage Systems (1) This Section applies to sanitary drainage systems and storm drainage systems. 7.4.2. Connections to Drainage Systems
Notes to Table 7.2.7.4.:
7.4.2.1. Connections to Sanitary Drainage Systems (1) Every fixture shall be directly connected to a sanitary drainage system, except that, (a) drinking fountains may be, (i)  indirectly connected to a sanitary drainage system, or (ii) connected to a storm drainage system provided that where the system is subject to backflow, a check valve is installed in the fountain waste pipe, (b) laundry plumbing appliances may be indirectly connected to a sanitary drainage system, (c)  fixtures
or plumbing appliances, other than floor drains, except as provided in Sentence 7.1.4.2.(2), that discharge only clear water waste may be connected to a storm drainage system, (d) the following devices shall be indirectly connected to a drainage system: (i) a device for the display, storage, preparation or processing of food or drink, (ii) a sterilizer, (iii) a device that uses water as a cooling or heating medium, (iv) a water operated device, (v) a water treatment device, (vi) a drain or overflow from a water system or a heating system, or (vii) a drain line from an HVAC system or equipment, and (e) floor drains within walk-in coolers shall be connected to a sanitary drainage system, (i) indirectly with an air break, or (ii) directly with a backwater valve installed on the drainage system before connection to the sanitary building drain. (2) The connection of a soil or waste pipe to a nominally horizontal
soil or waste pipe or to a nominally horizontal offset in a soil or waste stack shall be respectively at least 1 500 mm measured horizontally from the bottom of a soil or waste stack or from the bottom of the upper vertical section of the soil
or waste stack that, (a) receives a discharge of 30 or more
fixture units, or (b) receives a discharge from fixtures located on 2 or more storeys. (3) No other fixture shall be connected to a lead bend or stub that serves a water closet. (4) Where a change in direction of more than 45° occurs in a soil or waste pipe that serves more than one clothes washer, and in which pressure zones are created by detergent suds, no other soil or waste pipe shall be connected to it within a length less than, (a) 40 times the size
of the soil or waste pipe
or 2.44 m maximum vertical, whichever is less, before the change in direction, and (b) 10 times the size
of the nominally horizontal soil or waste pipe after the change in direction. (5) Where a vent pipe is connected into a suds pressure zone referred to in Sentence (4), no other vent pipe shall be connected to that vent pipe
within the height of the suds pressure zone.
Notes to Table 7.2.7.4.:
7.4.2.2. Connection of Overflows from Rainwater Tanks (1) Where an overflow from a rainwater tank is connected to a storm drainage system, it shall be connected by, (a) an air break, or (b) a backwater valve installed on the storm drainage pipe
before the connection to the storm building drain.
Notes to Table 7.2.7.4.:
7.4.2.3. Direct Connections (1) Two or more fixture outlet pipes that serve outlets from a single fixture that is listed in Clause 7.4.2.1.(1)(d) may be directly connected
to a branch that, (a) has a size
of at least 1 ¼ in., and (b) is terminated above the flood level rim of a directly connected fixture with a minimum diameter waste of 1 ½ in. to form an air break. (2) Fixture drains
from fixtures that are listed in Subclauses 7.4.2.1.(1)(d)(i) and (ii) may be directly connected to a pipe that, (a) is terminated to form an air break above the flood level rim
of a fixture that is directly
connected to a sanitary drainage system, and (b) is extended through the roof when fixtures that are on 3 or more storeys
are connected to it. (3) Fixture drains
from fixtures that are listed in Subclauses 7.4.2.1.(1)(d)(iii) to (vi) may be directly connected
to a pipe that, (a) is terminated to form an air break above the flood level rim
of a fixture that is directly connected to a storm drainage system, and (b) is extended through the roof when fixtures that are on 3 or more storeys
are connected to it. (4) Every waste pipe carrying waste from a device for the display, storage, preparation or processing of food or drink shall be trapped and have a minimum diameter equal to the diameter of the drain outlet from the device. 7.4.3. Location of Fixtures
Notes to Table 7.2.7.4.:
7.4.3.1. Plumbing Fixtures (1) Sanitary units, bathtubs and shower baths shall not be installed adjacent to wall and floor surfaces that are pervious to water.
Notes to Table 7.2.7.4.:
7.4.3.2. Restricted Locations of Indirect Connections and Traps (1) Indirect connections or any trap that may overflow shall not be located in a crawl space or any other unfrequented area.
Notes to Table 7.2.7.4.:
7.4.3.3. Equipment Restrictions Upstream of Interceptors (1) Except as provided in Sentence (2), equipment discharging waste with organic solids shall not be located upstream of an interceptor. (2) If a food scrap interceptor has been installed upstream of the grease interceptor, equipment discharging waste with organic solids may discharge through a grease interceptor.
Notes to Table 7.2.7.4.:
7.4.3.4. Fixtures Located in Chemical Storage Locations (1) A floor drain or other fixture located in an oil transformer vault, a high voltage room or any room where flammable, dangerous or toxic chemicals are stored or handled shall not be connected to a drainage system.
Notes to Table 7.2.7.4.:
7.4.3.5. Macerating Toilet System (1) A maceration toilet system shall only be installed, (a) where no connection to a gravity sanitary drainage system is available, and (b) in accordance with the manufacturer’s instructions.
Notes to Table 7.2.7.4.:
7.4.3.6. Drains Serving Elevator Pits (1) If a floor drain is provided in an elevator pit, it shall be installed in accordance with Section 2.2. of ASME A17.1 / CSA B44, “Safety Code for Elevators and Escalators”. 7.4.4. Treatment of Sewage and Wastes
Notes to Table 7.2.7.4.:
7.4.4.1. Sewage Treatment (1) Where a fixture or equipment discharges sewage or waste that may damage or impair the sanitary drainage system or the functioning of a sanitary sewage works or sanitary sewage system, provision shall be made for treatment of the sewage or waste before it is discharged to the sanitary drainage system.
Notes to Table 7.2.7.4.:
7.4.4.2. Protection for Drainage System (1) Where a fixture discharges sewage or clear water waste
that has been heated, the drainage system shall be suitable for the temperature of the sewage or clear water waste being discharged.