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2% (1/4" per foot) unless first approved by your plumbing inspector. If there is a lack of grade to allow for the fall you may be allowed to upsize the drain to 6" and run it at 1% (1/8" per foot)
There should be no parallel numbers on a line graph.
-1.35678 is one of infinitely many possible answers.
The number 4 is in the exact middle.
1/8" per foot.
No, there shouldn't be any standing water in a sewer line, this is what creates bad bacteria and disease. All waste needs to go down a sewer line and disappear ito the street sewer line. If this is the case, either you have a slight blockage or the sewer line gradient is incorrect. The correct ratio for the gradint of a sewer line must be 1:40 (meters) simpler measurement for slope is 1/4" per foot(ideal). absolute minimum 1/8" per foot(not recommended except where not avoidable)
3" house (building) drain allowable. 4" building sewer line needed for house from sewer main.
1/4" per foot normally
It should be 3" minimum, preferably 4.
A 3 or 4 inch pipe sticking straight up out of the ground? This is the clean out for the sewer line. If sewage is coming out of it, this means the sewer line is clogged or collapsed from there to the main city sewer. If you have a septic tank, the tank is full and needs to be pumped out.
1/8 inch fall for every foot of run is the ICC code minimum, but I would prefer 1/4 inch fall.
if you are fitting a maserator unit like Saniflo you can go horizontally up to 100 meters or vertically up to 4 meters but you must have a 1 in 200 gravity fall on the horizontal there is no certain distance it can be from the main. it all depends on the fall and how deep your sewer is, however it does matter how many bends your line has. It shouldn't exceed 135 degrees or 100' without a cleanout.
Never,ever less then 4 " and a 3" FAI
1/8" to 1/4" inch per foot.
minimum of 4
In Tulsa Oklahoma you can, but i would still use 4 in.