Piping

Pipe or piping? 7.2.1.4. Identification and Certification Every length of pipe and every fitting shall 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 it shall be marked in accordance with the relevant standard, and such markings shall be visible after installation. Where a component of a plumbing system is required by this Code to comply with a standard and the compliance is not certified a testing agency accredited by the Standard Council of Canada for the testing of the component in question and, where an inspector

by requests proof of the compliance, proof of compliance shall be produced by the person proposing to install or have installed the component, and without such proof the component shall not be installed as a permanent part of any plumbing system.

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.

7.2.1.6. Withstanding Pressure

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

7.2.4.5. Assembled Pipe or Tubing

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. (See Appendix A.)

7.2.11 Water Service Pipes and Fire Service Mains

7.2.11.1. Design, Construction, Installation and Testing

1. Except as provided in Articles 7.2.11.2., 7.2.11.3., 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...

7.2.11.2. Certification or Conformance

1. Water service pipes and fire service mains shall be certified or conform to the standards for the materials listed in Table 7.2.11.2.

7.3.3.1. Drilled and Tapped Joints

1. Except as provided in Sentence (2), (3), and (4), no water distribution pipe, drainage pipe or fitting shall be drilled, tapped or swaged.

4. A drainage pipe or fitting may be drilled or tapped

1. to provide for the connection of a trap seal primer,
2. to provide a device designed to dispense germicidal or odor 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,
3. to provide a hole for a branch connection to a drainage pipe or fitting 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,
4. 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.

7.3.3.10. 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 movement of the soil.

7.3.4.3. Independence of Support

1. Piping, fixtures, tanks or devices shall be supported independently of each other.

7.3.4.3. Insulation of Support

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 suitable separated and electrically insulated from the pipe to prevent galvanic action.
Where a hanger or support for aluminum DWV pipe is of a metal other than aluminum, the hanger or support shall be suitably separated and electrically insulated from the pipe.

7.3.4.4. Support for Vertical Piping

1. Except as provided in Sentence (2) and (3), vertical piping shall be supported at its base and at the floor level alternate storeys by metal rests, each of which can bear the weight of pipe that is between it and the metal rest above it.
2. The maximum spacing of support shall be 7.5 m.
3. The maximum spacing of support for PE/AL/PE and PEX/AL/PEX composite pipe shall be 2 500 mm.

7.3.4.5. Support for Horizontal Piping

1. Nominally horizontal Piping that is inside a building shall be braced to prevent swaying and buckling and to control the effect of thrust.
2. Nominally horizontal piping shall be supported so that

3. Where plastic pipe or a composite pipe incorporating a plastic component is installed

1. the pipe shall be aligned without added strain on the piping,
2. the pipe shall not be bent or pulled into position after being welded or joined, and
3. hangers shall not compress, cut or abrade the pipe.

4. Where hangers are used to support nominally horizontal piping they shall be

1. metal rods of at least 9.5 mm diam. for pipe 4" in size
2. solid or perforated metal strap hangers for pipe 4" or less in size.

5. Where a hanger is attached to concrete or masonry, it shall be fastened by metal or expansion type plugs that are inserted or built into the concrete or masonry.

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. (See Appendix A.)
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 keeping the pipe in alignment and supporting the weight of the pipe, its contents and the fill over the pipe.

7.3.4.7. Support for Vent Pipe above Roof

1. where a vent pipe terminates above the surface of a roofit shall be supported or braced to prevent misalignment.

7.3.4.9. Thrust Restrain of Water Service Pipes

1. Pipe clamps and tie-rods, thrust blocks, locked mechanical or push-on joints utilizing set screw retainer glands, or other suitable means of thrust restrain shall be provided at each change of direction of a water service pipe 4" or more in size and at all tees, plugs, caps and bends.
2. Backing for underground service pipe shall be placed

1. 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 uncounted, and
2. so that the joints will be accessible for inspection and repair.

3. Concrete thrust blocks shall have a minimum compression strength of not less than 10 MPa (1450 psi) after 28 days.
4. Thrust blocks shall not be used to restrain vertical pipe.

7.3.5. Protection of Piping

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 pipeand shall be free of stones, boulders, cinders and frozen earth.

7.3.5.2. Protection of Non-Metallic Pipe

1. Where asbestos-cement drainage pipe or 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. (See Appendix A.)

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.

7.3.5.4. Protection from Frost

1. Where piping may be exposed to freezing conditions it shall be protected from frost. (See Appendix A.)

7.3.5.5. Protection from Mechanical Damage

1. Plumbing, piping and equipment exposed to mechanical damage shall be protected.

7.4.4.2. Protection for Drainage system

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. (See Appendix A.)

7.2.1.2.(1) Exposure of Materials

Where unusual conditions exist such as excessively corrosive soil or water, only materials suited for use in such locations shall be used.

7.3.5.6. Spatial Separation

1. Except as permitted in Sentence (2), 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 is connected 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
3. the building drain or building sewer is constructed of piping which is pressure tested with Subsection 7.3.7. at 345 kPa (50 psi).

3. 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

1. a private sewage disposal system;
2. a source of pollution other than a private sewage disposal system.

7.6.3.2. Peak Demand Flow

1. No water system shall have a capacity that is less than peak demand flow.
3. Every pipe that supplies a fixture shall have a capacity that will produce a flow in the fixture that will flush the fixture and keep it in a sanitary condition.