1/4" per foot normally
1/8" per foot.
1/8" to 1/4" inch per foot.
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.
No. You vent air from a sewer line.
Depending on what kind of sewer, its age, and the utility owner (Storm Sewer, Gravity Sewer, Sewer Forcemain). - Polyvinyl Chloride Pipe (PVC) - Ductile Iron Pipe (DIP) - Fiberglass Reinforced Pipe (FRP) - High Density Polyethelyne (HDPE) - Pre-Stressed Concrete Cylinder Pipe - Asbestos Cement - Clay - Steel
If you are talking about a roof water drain pipe to sewer it is illegal. If you are talking about a sink drain pipe well that is where they all connect to so yea.
Sewer waste
Certainly
ABOVE the sewer line and on an angle away
Almost all codes now use reference to a 1/4" per foot fall in sewer and septic lines. Too little fall will not float sewage out and cause clogs. Too much fall will also rush water out and not remove sewage properly. 2.5" per 10' stick.
C. Michael Miner has written: 'Contech A-2000 PVC sewer pipe' -- subject(s): Testing, Underground plastic pipe, Materials, Sewer-pipe
Same as an 3" - 8 " pipe