Chapter 13 Joints and Connections

Free and Accessible

In all cases such joints shall be -

25.4 mm

Cast iron soil pipe and other similar joints shall be firmly packed with oakum or hemp and filled with molten pig lead to a depth of not less than -

Teflon tape

Is acceptable for use on male threads, only if screwed pipe joint.

Gastight and Watertight connections

Pressure test on joints and connections of pipes and fittings in the plumbing system shall be required to ensure -

80 minimum wall thickness

In threaded joints, threaded plastic pipe shall be Schedule -

Counterflashing

Shall not restrict the required internal cross-sectional area of the vent.

3.2 mm

In caulked joints, the finished joint shall not extend more than ____ below the rim of the hub.

19mm

Wiped lead joints shall have an exposed surface on each side of a joint not less than -

Solder and Sweat joints

Joints in copper tubing shall be made by the appropriate use of approved brass or copper fittings.

0.2%

Solders and fluxes with a lead content which exceeds ___ are prohibited in piping systems used to convey potable water.

Building Sewers

Except for repairs and connections to existing lines constructed with such joints, cement mortar joints are prohibited on new-

Shall be lapped and the assembly shall be fuse together to form a uniform weld at least as thick as the lead sheets being joined.

Burned lead joints

Joints between asbestos cement pipe and other approved pipe shall be made by means of an approved -

Adapter coupling

Plastic pipe and fittings designed to be joined by solvent cementing shall comply with appropriate IAPMO Installation Standards.

Solvent cement plastic pipe joints

Molded rubber coupling joints

When pipe is joined by means of molded neoprene rubber coupling joints, such joints shall conform to approved standards and shall not be considered as slip joints.

Slip joints

Are exposed for faculty in maintenance.

Fixture carrier fitting

Wall-mounted water closet fixtures shall be securely bolted to an approved -

76 mm, 102mm

The enlargement of __ closet bend or stub to shall not be ____ considered an obstruction.

Joints at the roof around pipes, ducts or other appurtenances shall be made watertight by the use of lead, copper, galvanized iron, or other approved -

Flashing material

Brass or cast iron body cleanouts shall not be used as a -

Reducer or Adapter.