Page 81 - 2018_IPC

SANITARY DRAINAGE

705.16.2 Copper or copper-alloy pipe or tubing to gal- TABLE 705.19
vanized steel pipe. Joints between copper or copper-alloy SOLDERING BUSHING SPECIFICATIONS
pipe or tubing and galvanized steel pipe shall be made PIPE SIZES MINIMUM WEIGHT
(inches) EACH
with a copper-alloy fitting or dielectric fitting. The copper 1
tubing shall be soldered to the fitting in an approved man- 1 / 4 6 ounces
1
ner, and the fitting shall be screwed to the threaded pipe. 1 / 2 8 ounces
705.16.3 Cast-iron pipe to galvanized steel pipe. Joints 2 14 ounces
between cast-iron and galvanized steel shall be made by 2 / 2 1 pound 6 ounces
1
either caulked or threaded joints or with an approved 3 2 pounds
adapter fitting.
4 3 pounds 8 ounces
705.16.4 Plastic pipe or tubing to other piping material.
Joints between different types of plastic pipe shall be made For SI: 1 inch = 25.4 mm, 1 ounce = 28.35 g, 1 pound = 0.454 kg.
with an approved adapter fitting, or by a solvent cement
joint only where a single joint is made between ABS and 705.20 Stainless steel drainage systems. O-ring joints for
PVC pipes at the end of a building drainage pipe and the stainless steel drainage systems shall be made with an
beginning of a building sewer pipe using a solvent cement approved elastomeric seal.
complying with ASTM D3138. Joints between plastic pipe
and other piping material shall be made with an approved
adapter fitting. Joints between plastic pipe and cast-iron SECTION 706
hub pipe shall be made by a caulked joint or a mechanical CONNECTIONS BETWEEN DRAINAGE
compression joint. PIPING AND FITTINGS
706.1 Connections and changes in direction. Connections
705.16.5 Lead pipe to other piping material. Joints
between lead pipe and other piping material shall be made and changes in direction of the sanitary drainage system shall
by a wiped joint to a caulking ferrule, soldering nipple or be made with approved drainage fittings. Connections
bushing or shall be made with an approved adapter fitting. between drainage piping and fixtures shall conform to Sec-
tion 405.
705.16.6 Borosilicate glass to other materials. Joints
between glass pipe and other types of materials shall be 706.2 Obstructions. The fittings shall not have ledges, shoul-
made with adapters having a TFE seal and shall be ders or reductions capable of retarding or obstructing flow in
installed in accordance with the manufacturer’s instruc- the piping. Threaded drainage pipe fittings shall be of the
tions. recessed drainage type. This section shall not be applicable to
tubular waste fittings used to convey vertical flow upstream
705.16.7 Stainless steel drainage systems to other mate- of the trap seal liquid level of a fixture trap.
rials. Joints between stainless steel drainage systems and
other piping materials shall be made with approved 706.3 Installation of fittings. Fittings shall be installed to
mechanical couplings. guide sewage and waste in the direction of flow. Change in
direction shall be made by fittings installed in accordance
705.17 Drainage slip joints. Slip joints shall comply with with Table 706.3. Change in direction by combination fit-
Section 405.9.
tings, side inlets or increasers shall be installed in accordance
705.18 Caulking ferrules. Caulking ferrules shall be of cop- with Table 706.3 based on the pattern of flow created by the
per alloy and shall be in accordance with Table 705.18. fitting. Double sanitary tee patterns shall not receive the dis-
TABLE 705.18 charge of back-to-back water closets and fixtures or appli-
CAULKING FERRULE SPECIFICATIONS ances with pumping action discharge.
INSIDE
PIPE SIZES DIAMETER LENGTH MINIMUM WEIGHT Exception: Back-to-back water closet connections to dou-
(inches) (inches) EACH ble sanitary tees shall be permitted where the horizontal
(inches)
developed length between the outlet of the water closet
1
1
2 2 / 4 / 1 pound
4 2
and the connection to the double sanitary tee pattern is 18
1
1
3 3 / 4 4 / 2 1 pound 12 ounces inches (457 mm) or greater.
1
1
4 4 / 4 4 / 2 2 pounds 8 ounces 706.4 Heel- or side-inlet quarter bends. Heel-inlet quarter
For SI: 1 inch = 25.4 mm, 1 ounce = 28.35 g, 1 pound = 0.454 kg. bends shall be an acceptable means of connection, except
where the quarter bend serves a water closet. A low-heel inlet
705.19 Soldering bushings. Soldering bushings shall be of shall not be used as a wet-vented connection. Side-inlet quar-
copper or copper alloy and shall be in accordance with Table ter bends shall be an acceptable means of connection for
705.19. drainage, wet venting and stack venting arrangements.

64 2018 INTERNATIONAL PLUMBING CODE ®
Copyrighted © 2017 by, or licensed to, ICC (ALL RIGHTS RESERVED); licensed to UL, LLC pursuant to License Agreement with ICC. No further reproductions authorized or distribution authorized.
ANY UNAUTHROIZED REPRODUCTION OR DISTRIBUTION IS A VIOLATION OF THE FEDERAL COPYRIGHT ACT AND THE LICENSE AGREEMENT; AND SUBJECT TO CIVIL AND CRIMINAL PENALTIES THEREUNDER.