own as "extra heavy" or "extra strong."

Brass ferrules must be best quality, extra heavy cast brass,
not less than 4 inches long and 2-1/4, 3-1/2 and 4-1/2 inches
in diameter and not less than the following weights:

Diameters Weights
2-1/4 inches 1 pound 0 ounce.
3-1/2 inches 1 pound 12 ounces.
4-1/2 inches 2 pounds 8 ounces.

SEC. 19. SOLDER NIPPLES.--Solder nipples must be heavy cast
brass or of brass pipe, iron pipe size. When cast they must be
not less than the following weights:

Diameters Weights
1-1/2 inches 0 pound 8 ounces.
2 inches 0 pound 14 ounces.
2-1/2 inches 1 pound 6 ounces.
3 inches 2 pounds 0 ounce.
4 inches 3 pounds 8 ounces.

SEC. 20. BRASS CLEAN-OUTS.--Brass screw caps for clean-outs
must be extra heavy, not less than 1/8 inch thick. The screw
cap must have a solid square or hexagonal nut not less than 1
inch high and a least diameter of 1-1/2 inches. The body of
the clean-out ferrule must be at least equal in weight and
thickness to the caulking ferrule for the same size pipe.

SEC. 21. LEAD WASTE PIPE.--All lead waste, soil vent and flush
pipes must be of the best quality, known in commerce as "_D_,"
and of not less than the following weights per linear foot:

Diameters Weights
1-1/4 inches 2-1/2 pounds.
1-1/2 inches 3 pounds.
2 inches 4 pounds.
3 inches 6 pounds.
4 inches 8 pounds.

All lead traps and bends must be of the same weight and
thicknesses as their corresponding pipe branches.

SEC. 22. ROOF FLASHERS.--Sheet lead for roof flashings must be
6-pound lead and must extend not less than 6 inches from the
pipe and the joint made water-tight.

SEC. 23. TRAPS FOR BATH TUBS, WATER CLOSETS, ETC.--Every sink,
bath tub, basin, water closet, slop hopper, or fixtures having
a waste pipe, must be furnished with a trap, which shall be
placed as close as practicable to the fixture that it serves
and in no case shall it be more than 1 foot. The waste pipe
from the bath tub or other fixtures must not be connected
with a water-closet trap.

SEC. 24. SIZE OF HORIZONTAL AND VERTICAL WASTE PIPES, TRAPS
AND BRANCHES.--

Horizontal and vertical Numb