For proper fall. Pipe should slope 1" for every 8'.
This pipe has a volume of 24.5 cubic feet.
To prevent siphoning in plumbing systems it is necessary to install a vent pipe within a prescribed maximum distance from the drain pipe - usually within 6 feet when using 1 1/2" pipe with 1/4" fall per foot.
If that's 3/4 feet, there will be 48 of them.
the answer is 69.9 feet
you would need 3 feet of pipe
A 14-inch diameter by 20 foot long pipe has a volume of: 21.38 cubic feet.
Seven miles of pipe equates to 36,960 feet
A 100-foot pipe with a 6-inch diameter has a volume of: 19.63 cubic feet.
a formula is an equation, rule, principle, or other logical relation. The pipe lateral formula is Ao equals external pipe surface area (feet 2 per feet pipe).
About 11.3 feet of 3" pipe can hold 5 gallons of water.
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