18-29-706.3 Installation of fittings.

   Fittings shall be installed to guide sewage and waste in the direction of flow. Change in direction shall be made by fittings installed in accordance with Table 18-29-706.3. Change in direction by combination fittings, side inlets or increasers shall be installed in accordance with Table 18-29-706.3 based on the pattern of flow created by the fitting. Double sanitary tee patterns shall not receive the discharge of back-to-back water closets and fixtures or appliances with pumping action discharge.

Table 18-29-706.3
Fittings for Change in Direction

Type of Fitting Pattern	Change in Direction
	Horizontal to vertical	Vertical to horizontal	Horizontal to horizontal
Sixteenth bend	X	X	X
Eighth bend	X	X	X
Sixth bend	X	X	X
Quarter bend	X	X a	X a
Short sweep	X	X a, b	X a
Long sweep	X	X	X
Sanitary tee	X c	–	–
Wye	X	X	X
Combination wye and eight bend	X	X	X

 

For SI: 1 inch = 25.4 mm.

a.   The fittings shall only be permitted for a 2-inch or smaller fixture drain.

b.   Three inches and larger.

c.   For a limitation on double sanitary tees, see Section 706.3.

18-29-707 Prohibited Joints and Connections.

18-29-707.1 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 except where provided for in Section 18-29-705.18.4; and

   6.   Saddle-type fittings.

(Amend Coun. J. 11-8-12, p. 38872, § 358; Amend Coun. J. 10-14-21, p. 37722, Art. VII, § 7)

18-29-708 Cleanouts.

18-29-708.1 Scope.

   This section shall govern the size, location, installation and maintenance of drainage pipe cleanouts.

18-29-708.2 Cleanout plugs.

   Cleanout plugs shall be of brass, plastic or other approved materials. Brass cleanout plugs shall be utilized with metallic drain, waste and vent piping only, and shall conform to ASTM A74. Plastic cleanout plugs shall conform to the requirements of Section 18-29-702.4. Plugs shall have raised square or countersunk square heads. Countersunk heads shall be installed where raised heads are a trip hazard. Cleanout plugs with borosilicate glass systems shall be of borosilicate glass.

18-29-708.3 Where required.

   Cleanouts shall be located in accordance with Sections 18-29-708.3.1 through 18-29-708.3.5.

18-29-708.3.1 Horizontal drains within buildings.

   All horizontal drains shall be provided with cleanouts located not more than 100 feet (30.48 m) apart, except that the maximum shall be 50 feet (15.25 m) for drains 4 inches (100 mm) diameter or less, 150 feet (45.7 m) for drains 10 inches (250 mm) diameter or larger.

18-29-708.3.2 Building sewers.

   All building sewers shall be provided with cleanouts located not more than 100 feet (30.48 m) apart measured from the upstream entrance of the cleanout, unless manholes are adequately spaced according to the current edition of the permit requirement and fees book.

18-29-708.3.3 Changes of direction.

   Cleanouts shall be installed at each change of direction of the building drain or horizontal waste or soil lines greater than 45 degrees (0.79 rad). Where more than one change of direction occurs in a run of piping, only one cleanout shall be required for each 40 feet (12.2 m) of developed length of the drainage piping.