B bcenter New Member Messages 1 Reaction score 0 Points 0 Feb 10, 2005 #1 HI, Are there maximum or minimum rates of fall for horizontal drain piping, such as 1'' of fall in 4' run ?
HI, Are there maximum or minimum rates of fall for horizontal drain piping, such as 1'' of fall in 4' run ?
hj Master Plumber Messages 33,613 Reaction score 1,057 Points 113 Location Cave Creek, Arizona Website www.terrylove.com Feb 10, 2005 #2 fall That is the minimum according to most codes for pipe up to 3". Larger than that the codes usually have an optional smaller slope.
fall That is the minimum according to most codes for pipe up to 3". Larger than that the codes usually have an optional smaller slope.
Mike Swearingen New Member Messages 621 Reaction score 3 Points 0 Location On Albemarle Sound In Northeastern NC Website www.albemarle-realty.com Feb 11, 2005 #3 1/4" per linear foot up to 3" and 1/8" if necessary for 4" and up.