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The slope of a horizontal drainage pipe shall be not less than that indicated in Table 704.1 except that where the drainage piping is upstream of a grease interceptor, the slope of the piping shall be not less than 1 / 4 inch per foot (2-percent slope).
704.1 Slope of horizontal drainage piping. Horizontal drainage piping shall be installed in uniform alignment at uniform slopes. The slope of a horizontal drainage pipe shall be not less than that indicated in Table 704.1.
This drain pipe slope calculator will calculate the required minimum slope, grade, and total drop (fall) of a drainage pipe over a specified length of pipe. It can be used for building the proper pitch into a plumbing drainage system in a bathroom, kitchen, or even outdoors for rain water drainage.
The document summarizes requirements for the slope of horizontal drainage piping according to the 2018 International Plumbing Code. It states that horizontal drainage piping must be installed at a uniform and consistent slope as indicated in Table 704.1, with a minimum slope of 1/4 inch per foot for any piping upstream of a grease interceptor.
Review the pipe slope and determine if the velocity can be reduced by changing the vertical alignment slope by adjusting manhole distances, invert elevations, etc., or design the vertical alignment with a drop manhole connection, see requirements in Part Two, Section 17 (Manhole Drop Connections).
27 Φεβ 2022 · According to the International Plumbing Code, drainage pipes should be run with a uniform slope at the following minimum pitches: Large Diameter Sewer Pipe Slopes. Large sewer lines require calculations to determine the proper pitch.
A linear drain allows for the use of larger format floor tile and the ability to pitch the floor in one direction. This offers an advantage from the traditional center drain installation, where the floor must slope in four directions in order to properly drain the water.
