SECTION P-705  JOINTS
P-705.1 General. This Section contains provisions applicable to joints specific to sanitary drainage piping. Unshielded mechanical couplings are not permitted.
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705.2.1 Mechanical joints. Mechanical joints on drainage pipes shall be made with an elastomeric seal conforming to ASTM C1173, ASTM D3212 or CSA B602. Mechanical joints shall be installed only in underground systems unless otherwise approved. Joints shall be installed in accordance with the manufacturer's instructions.
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P-705.3 Cast Iron.
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P-705.3.3 Mechanical joint coupling. Mechanical joint couplings for hubless pipe and fittings shall consist of an elastomeric sealing sleeve and a metallic shield that comply with CISPI 310, ASTM C1277 or ASTM C1540. The elastomeric sealing sleeve shall conform to ASTM C564 or CSA B602 and shall be provided with a center stop. Mechanical joint couplings shall be installed in accordance with the manufacturer's instructions and limited to above ground installations only. Unshielded mechanical couplings are not permitted.
P-705.3.4 Repair or connection of the building (house) drain or building sewer. A cast-iron double hub fitting and sission joint when using lead and oakum shall be acceptable for repair or connection of a building (house) drain or building sewer. On one side of a repair or connection to a building (house) drain or building sewer, either a cast-iron hubless coupling consisting of a cast-iron housing complying with ASTM A1056 and C564, stainless steel nuts and bolts that comply with ANSI B18.2.1 and ANSI B18.2.2 and a neoprene gasket that comply with ASTM C564 or an adjustable repair coupling for hubless pipe and fittings consisting of an elastomeric sealing sleeve and a metallic housing that comply with CISPSI 310 and ASTM A240, the elastomeric sealing sleeve shall conform to ASTM C425 or C1173 and shall be provided with a center stop, shall be acceptable. Note: An adjustable repair coupling shall be permitted on each side of the repair or connection. The use of two adjustable repair couplings shall require a concrete encasement of the coupling on both sides of the repair or connection.
P-705.3.5 Replacement of existing building (house) traps. For replacement of an existing building (house) trap an adjustable repair coupling for hubless pipe and fitting consisting of an elastomeric sealing sleeve and a metallic housing that comply with CISPI 310 and ASTM A240, the elastomeric sealing sleeve shall conform to ASTM C425 or C1173 and shall be provided with a center stop, shall be permitted on one side of the trap. Note: Under severe conditions, an adjustable repair coupling shall be permitted on each side of the trap. The use of two adjustable repair couplings shall require a concrete encasement of the coupling on the street side of the trap.
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P-705.5 Copper Pipe.
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P-705.5.2 Mechanical joints. Mechanical joints shall be installed in accordance with the manufacturer's instructions and limited to above ground installations only. Unshielded mechanical couplings are not permitted.
P-705.5.3 Solder joints. Solder joints shall be made in accordance with the methods of ASTM B828. Cut tube ends shall be reamed to the full inside diameter of the tube end. Joint surfaces shall be cleaned. A flux conforming to ASTM B813 shall be applied. The joint shall be soldered with a solder conforming to ASTM B32. All solder joints shall be made with lead-free solder and flux. "Lead free" shall mean a chemical composition equal to or less than 0.2-percent lead.
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P-705.6 Copper Tubing.
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P-705.6.2 Mechanical joints. Mechanical joints shall be installed in accordance with the manufacturer's instructions and limited to above ground installations only. Unshielded mechanical couplings are not permitted.
P-705.6.3 Solder joints. Solder joints shall be made in accordance with the methods of ASTM B828. Cut tube ends shall be reamed to the full inside diameter of the tube end. Joint surfaces shall be cleaned. A flux conforming to ASTM B813 shall be applied. The joint shall be soldered with a solder conforming to ASTM B32. All solder joints shall be made with lead-free solder and flux. "Lead free" shall mean a chemical composition equal to or less than 0.2-percent lead.
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P-705.8 Steel.
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P-705.8.2 Mechanical joints. Joints shall be made with an approved elastomeric seal. Mechanical joints shall be installed in accordance with the manufacturer's instructions and limited to above ground installations only. Unshielded mechanical couplings are not permitted.
P-705.9 Lead. Joints between lead pipe or fittings shall be prohibited.comply with Sections 705.9.1 and 705.9.2.
705.9.1 Burned. Burned joints shall be uniformly fused together into one continuous piece. The thickness of the joint shall be not less than the thickness of the lead being joined. The filler metal shall be of the same material as the pipe.
705.9.2 Wiped. Joints shall be fully wiped, with an exposed surface on each side of the joint not less than ¾ inch (19.1 mm). The joint shall be not less than 3/8 inch (9.5 mm) thick at the thickest point.
P-705.10 Lead.
P-705.10.1 Mechanical joints.Prohibited. Mechanical joints on drainage pipe shall be made with an elastomeric seal conforming to ASTM C1173, ASTM D3212 or CSA B602. Mechanical joints shall not be installed in above-ground systems, unless otherwise approved. Joints shall be installed in accordance with the manufacturer's instructions.
P-705.10.2 Solvent cementing. Joint surfaces shall be clean and free from moisture. A purple primer that conforms to ASTM F656 shall be applied. Solvent cement not purple in color and conforming to ASTM D2564, CSA B137.3, CSA B181.2 or CSA B182.1 shall be applied to all joint surfaces. The joint shall be made while the cement is wet and shall be in accordance with ASTM D2855. Solvent cement joints shall be permitted above or below ground.
Exception: A primer is not required where both of the following conditions apply:
1.   The solvent cement used is third-party certified as conforming to ASTM D2564.
2.   The solvent cement is used only for joining PVC drain, waste and vent pipe and fittings in nonpressure applications in sizes up to and including 4 inches (102 mm) in diameter.
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P-705.12 Polyethylene plastic pipe.
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P-705.12.2 Mechanical joints. Mechanical joints in drainage piping shall be made with an elastomeric seal conforming to ASTM C1173, ASTM D3212 or CSA B602. Mechanical joints shall be installed in accordance with the manufacturer's instructions. and limited to above ground installations only. Unshielded mechanical couplings are not permitted.
P-705.13Polyolefin plastic.
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P-705.13.2 Mechanical and compression sleeve joints. Mechanical and compression sleeve joints shall be installed in accordance with the manufacturer's instructions. and limited to above ground installations only. Unshielded mechanical couplings are not permitted.
P-705.14 Polyvinylidene fluoride plastic.
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P-705.14.2 Mechanical and compression sleeve joints. Mechanical and compression sleeve joints shall be installed in accordance with the manufacturer's instructions and limited to above ground installations only. Unshielded mechanical couplings are not permitted.
P-705.15 Polypropylene plastic. The joint between polypropylene plastic pipe and fittings shall incorporate an elastomeric seal. The joint shall conform to ASTM D3212. The joint shall conform to ASTM D3212. Mechanical joints shall not be installed below groundin accordance with product specifications.
P-705.16 Joints between different materials. Joints between different piping materials shall be made with a mechanical joint of the compression or mechanical-sealing type conforming to ASTM C1173, ASTM C1460 or ASTM C1461. and limited to above ground installations only. Connectors and adapters shall be approved for the application and such joints shall have an elastomeric seal conforming to ASTM C425, ASTM C443, ASTM C564, ASTM C1440, ASTM F477, CSA A257.3M or CSA B602, or as required in Sections 705.16.1 through 705.16.7. Joints between glass pipe and other types of materials shall be made with adapters having a TFE seal. Joints shall be installed in accordance with the manufacturer's instructions.
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P-705.16.5 Lead pipe to other piping material. Joints between lead pipe and other piping material shall be prohibited.made by a wiped joint to a caulking ferrule, soldering nipple or bushing or shall be made with an approved adapter fitting.
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