Same as an 3" - 8 " pipe
1/4" per foot normally
1/8" per foot.
There is NO correct pitch... MINIMUM would normally be 1/8 per ft BUT then of course you cannot have as many drainage fixture units connected to this line.The total FU's allowed are based on pitch and diameter of the piping
That all depends on how long said 3" pipe is?
1/8" per foot
.25 per inch per foot
1/8" to 1/4" inch per foot.
1-foot section of pipe contained 0.6528 gallons of water. 1/4 inch per foot but standard would be 1/8" per foot sewer line necessary in a house. alliedallcityinc.com
The purpose of a sewer pipe is to collect waste from drains and peoples homes and transport it through the sewer system to the sewer plant. There it is treated and the water is recycled.
The sewer vent pipe is typically located on the roof of the building.
4" to 6" diameter it runs about $2,100 per lineal foot.
No. You vent air from a sewer line.