706.4 Reserved.

Section PC 707: Prohibited Joints and Connections

707.1 Prohibited joints.

The following types of joints and connections shall be prohibited:

   1.   Cement or concrete joints.

   2.   Mastic or hot-pour bituminous joints.

   3.   Joints made with fittings not approved for the specific installation.

   4.   Joints between different diameter pipes made with elastomeric rolling O-rings.

   5.   Solvent-cement joints between different types of plastic pipe.

   6.   Saddle-type fittings.

Section PC 708: Cleanouts

708.1 Cleanouts required.

Cleanouts shall be provided for drainage piping in accordance with Sections 708.1.1 through 708.1.12.

708.1.1 Horizontal drains and building drains.

Horizontal drainage pipes in buildings shall have cleanouts located at intervals of not more than 100 feet (30 480 mm). Building drains shall have cleanouts located at intervals of not more than 100 feet (30 480 mm).

   Exception: Horizontal fixture drain piping serving a nonremovable trap shall not be required to have a cleanout for the section of piping between the trap and the vent connection for such trap.

708.1.2 Building sewers.

Building sewers smaller than 8 inches (203 mm) shall have cleanouts located at intervals of not more than 100 feet (30 480 mm). Building sewers 8 inches (203 mm) and larger shall have a manhole located not more than 200 feet (60 960 mm) from the junction of the building drain and building sewer and at intervals of not more than 400 feet (122 m). The interval length shall be measured from the cleanout or manhole opening, along the developed length of the piping to the next drainage fitting providing access for cleaning, a manhole or the end of the building sewer.