§ 18-29-705


Joints.

§ 18-29-705.1 General.

This section contains provisions applicable to joints specific to sanitary drainage piping.

§ 18-29-705.2 Deliberately omitted.

§ 18-29-705.3 Deliberately omitted.

§ 18-29-705.4 Brass.

Joints between brass pipe or fittings shall comply with Sections § 18-29-705.4.1 through § 18-29-705.4.4.

§ 18-29-705.4.1 Brazed joints.

All joint surfaces shall be cleaned. An approved flux shall be applied where required. The joint shall be brazed with a filler metal conforming to AWS A5.8.

§ 18-29-705.4.2 Mechanical joints.

Mechanical joints shall be installed in accordance with the manufacturer's instructions.

§ 18-29-705.4.3 Threaded joints.

Threads shall conform to ASME B 120.1. Pipe joint compound or tape shall be applied on the male threads only.

§ 18-29-705.4.4 Welded joints.

All joint surfaces shall be cleaned. The joint shall be welded with an approved filler metal.

§ 18-29-705.5 Cast iron.

Joints between cast-iron pipe or fittings shall comply with Sections § 18-29-705.5.1 through

§ 18-29-705.5.1 Caulked joints.

Joints for hub and spigot pipe shall be firmly packed with oakum or hemp. Molten lead shall be poured in one operation to a depth of not less than 1 inch (25 mm). The lead shall not recede more than 1/8 inch (3 mm) below the rim of the hub and shall be caulked tight. Paint, varnish or other coatings shall not be permitted on the jointing material until after the joint has been tested and approved. Lead shall be run in one pouring and shall be caulked tight. Acid-resistant rope and acid-proof cement shall be permitted.

§ 18-29-705.5.2 Compression gasket joints.

Compression gaskets shall conform to ASTM C 564. Gaskets shall be compressed when the pipe is fully inserted.

§ 18-29-705.5.3 Mechanical joint coupling.

Mechanical joint couplings shall comply with CISPI 310 or ASTM C 1277 and shall meet the requirements of Factory Mutual Standard 1680, Class I, with a minimum working pressure of 15 psi (103.4 kPa). The elastomeric sealing sleeve shall conform to ASTMC 564 or CSA CAN/CSA-B602 and shall be provided with a center stop. Mechanical joint couplings shall be installed in accordance with the manufacturer's installation instructions.

§ 18-29-705.6 Concrete joints.

Joints between concrete pipe or fittings shall be made with an elastomeric seal conforming to ASTM C 443, ASTM C 1173, CSA-A257.3 or CSA CAN/CSA- B602.

§ 18-29-705.7 Copper pipe.

Joints between copper or copper-alloy pipe or fittings shall comply with Sections § 18-29-705.7.1 through § 18-29-705.7.5.

§ 18-29-705.7.1 Brazed joints.

All joint surfaces shall be cleaned. An approved flux shall be applied where required. The joint shall be brazed with a filler metal conforming to AWS A5.8.

§ 18-29-705.7.2 Mechanical joints.

Mechanical joints shall be installed in accordance with the manufacturer's instructions.

§ 18-29-705.7.3 Soldered joints.

Solder joints shall be made in accordance with the methods of ASTM B 828. All cut tube ends shall be reamed to the full inside diameter of the tube end. All joint surfaces shall be cleaned. A flux conforming to ASTM B 813 shall be applied. The joint shall be soldered with a solder conforming to ASTM B 32.

§ 18-29-705.7.4 Threaded joints.

Threads shall conform to ASME B 120.1. Pipe joint compound or tape shall be applied on the male threads only.

§ 18-29-705.7.5 Welded joints.

All joint surfaces shall be cleaned. The joint shall be welded with an approved filler metal.

§ 18-29-705.8 Copper tubing.

Joints between copper or copper-alloy tubing or fittings shall comply with Sections § 18-29-705.8.1 through § 18-29-705.8.3.

§ 18-29-705.8.1 Brazed joints.

All joint surfaces shall be cleaned. An approved flux shall be applied where required. The joint shall be brazed with a filler metal conforming to AWS A5.8.

§ 18-29-705.8.2 Mechanical joints.

Mechanical joints shall be installed in accordance with the manufacturer's instructions.

§ 18-29-705.8.3 Soldered joints.

Solder joints shall be made in accordance with the methods of ASTM B 828. All cut tube ends shall be reamed to the full inside diameter of the tube end. All joint surfaces shall be cleaned. A flux conforming to ASTM B 813 shall be applied. The joint shall be soldered with a solder conforming to ASTM B 32.

§ 18-29-705.9 Borosilicate glass joints.

Glass-to-glass connections shall be made with a belted compression-type stainless steel (300 series) coupling with contoured acid-resistant elastomer compression ring and a fluorocarbon polymer inner seal ring or with caulked joints in accordance with Section § 18-29-705.9.1.

§ 18-29-705.9.1 Caulked joints.

Every lead-caulked joint for hub and spigot soil pipe shall be firmly packed with oakum or hemp and filled with molten lead not less than 1 inch (25 mm) deep and not to extend more than 1/8 inch (3 mm) below the rim of the hub. Paint, varnish or other coatings shall not be permitted on the jointing material until after the joint has been tested and approved. Lead shall be run in one pouring and shall be caulked tight. Acid-resistant rope and acid-proof cement shall be permitted.

§ 18-29-705.10 Steel.

Joints between galvanized steel pipe or fittings shall comply with Sections § 18-29-705.10.1 and § 18-29-705.10.2.

§ 18-29-705.10.1 Threaded joints.

Threads shall conform to ASME B 120.1. Pipe joint compound or tape shall be applied on the male threads only.

§ 18-29-705.10.2 Mechanical joints.

Joints shall be made with an approved elastomeric seal. Mechanical joints shall be installed in accordance with the manufacturer's instructions.

§ 18-29-705.11 Deliberately omitted.

§ 18-29-705.12 PVC plastic.

Joints between PVC plastic pipe or fittings shall comply with Sections § 18-29-705.12.1 through § 18-29-705.12.3.

§ 18-29-705.12.1 Mechanical joints.

Mechanical joints on drainage pipe shall be made with an elastomeric seal conforming to ASTM C 1173, ASTM D 3212 or CSA CAN/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.

§ 18-29-705.12.2 Solvent cementing.

Joint surfaces shall be clean and free from moisture. A purple primer that conforms to ASTM F 656 shall be applied. Solvent cement not purple in color and conforming to ASTM D 2564, CSA CAN/CSA-B 137.3, CSA CAN/CSA-B 181.2 or CSA CAN/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 D 2855. Solvent-cement joints shall be permitted above or below ground.

§ 18-29-705.12.3 Threaded joints.

Threads shall conform to ASME B 1.20.1. Schedule 80 or heavier pipe shall be permitted to be threaded with dies specifically designed for plastic pipe. Approved thread lubricant or tape shall be applied on the male threads only.

§ 18-29-705.13 Vitrified clay.

Joints between vitrified clay pipe or fittings shall be made with an elastomeric seal conforming to ASTM C 425, ASTM C 1173 or CSA CAN/CSA-B602.

§ 18-29-705.14 Joints between different materials.

Joints between different piping materials shall be made with a mechanical joint of the compression or mechanical-sealing type, or as permitted in Sections § 18-29-705.14.1 through § 18-29-705.14.6. Connectors or adapters shall have an elastomeric seal conforming to ASTM C 425, ASTM C 443, ASTM C 564, ASTM C 1173, ASTM D 1869, ASTM F 477, CSA A2573 or CSA CAN/CSA B602. Joints shall be installed in accordance with the manufacturer's instructions.

§ 18-29-705.14.1 Copper or copper-alloy tubing to cast-iron hub pipe.

Joints between copper or copper-alloy tubing and cast-iron hub pipe shall be made with a brass ferrule or compression joint. The copper or copper-alloy tubing shall be soldered to the ferrule in an approved manner, and the ferrule shall be joined to the cast-iron hub by a caulked joint or a mechanical no hub coupling.

§ 18-29-705.14.2 Copper or copper-alloy tubing to galvanized steel pipe.

Joints between copper or copper-alloy tubing and galvanized steel pipe shall be made with a brass converter fitting or dielectric fitting. The copper tubing shall be soldered to the fitting in an approved manner, and the fitting shall be screwed to the threaded pipe.

§ 18-29-705.14.3 Cast-iron pipe to galvanized steel or brass pipe.

Joints between cast-iron and galvanized steel or brass pipe shall be made by either caulked or threaded joints or with an approved adapter fitting.

§ 18-29-705.14.4 Plastic pipe or tubing to other piping material.

Joints between different grades of plastic pipe or between plastic pipe and other piping material shall be made with an approved adapter fitting. Joints between plastic pipe and cast-iron hub pipe shall be made by a caulked joint or a mechanical compression joint.

§ 18-29-705.14.5 Deliberately omitted.

§ 18-29-705.14.6 Borosilicate glass to other materials.

Joints between glass pipe and other types of materials shall be made with adapters having a TFE seal and shall be installed in accordance with the manufacturer's instructions.

§ 18-29-705.15 Drainage slip joints.

Slip joints shall be made with an approved elastomeric gasket and shall only be installed on the trap outlet, trap inlet and within the trap seal. Slip joints installed in concealed locations shall conform to Section § 18-29-405.8.

§ 18-29-705.16 Caulking ferrules.

Ferrules shall be of red brass and shall be in accordance with Table § 18-29-705.16.

§ 18-29-705.17 Deliberately omitted.