Section 41. Brass screw-caps for cleanouts must be extra heavy, not less than one-eighth of an inch thick. The screw-cap must have a solid, square or hexagonal nut, not less than one inch high. The body of clean-out ferrule must, at least, equal in weight and thickness the caulking-ferrule, for the same size pipe.
Section 41
Act 245 of 1901, § 41, under SECOND CLASS CITIES, PLUMBERS, REGISTERED AND LICENSED.
Act 245 of 1901, § 41