Section 11. House or building sewers and house or building drains must, where possible, be given an even grade to the main sewer of not less than one-quarter of an inch per foot.
(11 amended Mar. 31, 1937, P.L.168, No.44)
Section 11
Act 245 of 1901, § 11, under SECOND CLASS CITIES, PLUMBERS, REGISTERED AND LICENSED.
Act 245 of 1901, § 11