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// CODE SNIPPET

P3005.1.6 Drainage Piping Size Reduction in the Direction of Flow

Residential Code 2018 of Kansas > 30 Sanitary Drainage > P3005 Drainage System > P3005.1 Drainage Fittings and Connections > P3005.1.6 Drainage Piping Size Reduction in the Direction of Flow
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The size of the drainage piping shall not be reduced in the direction of the flow. The following shall not be considered a reduction in size in the direction of flow:

  1. A 4-inch by 3-inch (102 mm by 76 mm) water closet flange.
  2. A water closet bend fitting having a 4-inch (102 mm) inlet and a 3-inch (76 mm) outlet provided that the 4-inch leg of the fitting is upright and below, but not necessarily directly connected to, the water closet flange.
  3. An offset closet flange.

Related Code Sections


P3005.1.6 Sanitary Drainage, Drainage Piping Size Reduction in the Direction of Flow
The size of the drainage piping shall not be reduced in the direction of the flow. The following shall not be considered a reduction in size ...
Residential Code 2018 of Kansas > 30 Sanitary Drainage > P3005 Drainage System > P3005.1 Drainage Fittings and Connections > P3005.1.6 Drainage Piping Size Reduction in the Direction of Flow
704.2 Sanitary Drainage, Reduction in Pipe Size in the Direction of Flow
The size of the drainage piping shall not be reduced in the direction of the flow. The following shall not be considered as a reduction in size ...
Plumbing Code 2018 of Kansas > 7 Sanitary Drainage > 704 Drainage Piping Installation > 704.2 Reduction in Pipe Size in the Direction of Flow
1101.5 Storm Drainage, Change in Size
The size of a drainage pipe shall not be reduced in the direction of flow ...
Plumbing Code 2018 of Kansas > 11 Storm Drainage > 1101 General > 1101.5 Change in Size
P3002.3.1 Sanitary Drainage, Drainage
Drainage fittings shall not have ledges, shoulders or reductions that can retard or obstruct drainage flow in the piping. Threaded drainage pipe ...
Residential Code 2018 of Kansas > 30 Sanitary Drainage > P3002 Materials > P3002.3 Fittings > P3002.3.1 Drainage
Section 706 Sanitary Drainage, Connections Between Drainage Piping and Fittings
fittings shall not have ledges, shoulders or reductions capable of retarding or obstructing flow in the piping. Threaded drainage pipe fittings shall ...
Plumbing Code 2018 of Kansas > 7 Sanitary Drainage > 706 Connections Between Drainage Piping and Fittings
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