All materials must be of the best quality, free
from defects, and all work must be executed in a thorough, workmanlike
manner.
All cast-iron pipes and fittings must be uncoated,
sound, cylindrical and smooth, free from cracks, sand holes and other
defects, extra heavy and of uniform thickness.
Pipe, including the hub, shall weigh not less
than the following average weights per linear foot:
|
Diameter (inches)
|
Weight per Linear Foot Extra Heavy (pounds)
| |
|---|---|---|
|
3
|
9 1/2
| |
|
2
|
5 1/2
| |
|
4
|
13
| |
|
5
|
17
| |
|
6
|
20
| |
|
7
|
27
| |
|
8
|
33 1/2
| |
|
10
|
45
| |
|
12
|
54
|
All joints must be made with picked oakum and
molten lead and be made gastight. Twelve ounces of fine, soft pig
lead must be used at each joint for each inch in the diameter of the
pipe when extra-heavy pipe is used, and nine ounces when standard
pipe is installed.
All wrought iron and steel pipes must be equal
in quality to "standard" and must be properly tested by the manufacturer.
No plain black or uncoated pipe will be permitted.
All waste, vent, water and soil pipes shall
be made of galvanized steel, galvanized wrought iron or copper. Copper
water pipes must be Type L or K. Copper waste pipes must be Type L
or K. Vertical soil pipes must be type L or K. Copper piping must
be Type K, L or DWV.
Where galvanized wrought iron or steel pipe
is required, the fittings used must also be galvanized.
Fittings for galvanized iron waste and cast-iron
soil pipes must be cast-iron recessed and threaded drainage fittings,
with smooth interior waterway and thread tapped, to give a uniform
grade to branches of not less than 1/4 of an inch per foot, with extra-heavy
Manhoff fittings or equal for all connections, up to two-inch galvanized
iron pipe, which may be made by caulking with oakum and molten lead.
Short nipples on wrought iron or steel pipe,
where the unthreaded part of the pipe is less than 1 1/2 inches
long, must be of the thickness and weight to correspond to weight
of pipe.
Pipe shall be not less than the following average
thickness and weight per linear foot:
|
Diameter
(inches)
|
Thickness
(inches)
|
Weight per Linear Foot
(pounds)
| |
|---|---|---|---|
|
1 1/2
|
14
|
2.68
| |
|
2
|
15
|
3.61
| |
|
2 1/2
|
20
|
5.74
| |
|
3
|
21
|
7.54
| |
|
3 1/2
|
22
|
9.00
| |
|
4
|
23
|
10.66
| |
|
4 1/2
|
24
|
12.34
| |
|
5
|
25
|
14.50
| |
|
6
|
28
|
18.76
| |
|
7
|
30
|
23.27
| |
|
8
|
32
|
28.18
| |
|
9
|
34
|
33.70
| |
|
10
|
36
|
40.06
| |
|
11
|
37
|
45.02
| |
|
12
|
37
|
48.98
|
All brass pipe for soil, waste and vent pipes
and solder nipples must be thoroughly annealed, drawn brass tubing
of standard iron pipe gauge.
Connections on brass pipe and between brass
pipe and traps on iron pipe must not be made with slip joints or coupling.
Threaded connections on brass pipe must be of the same size as iron
pipe thread for same size of pipe and be tapered.
Brass pipe shall be not less than the following
average thickness and weight per linear foot:
|
Diameter
(inches)
|
Thickness
(inches)
|
Weight per Linear Foot
(pounds)
| |
|---|---|---|---|
|
3/8
|
0.09
|
0.612
| |
|
1/2
|
1.107
|
0.911
| |
|
3/4
|
0.114
|
0.24
| |
|
1
|
0.126
|
1.74
| |
|
1 1/4
|
0.146
|
2.56
| |
|
1 1/2
|
0.150
|
3.04
| |
|
2
|
0.156
|
4.02
| |
|
2 1/2
|
0.187
|
5.83
| |
|
3
|
0.219
|
8.31
| |
|
3 1/2
|
0.25
|
10.85
| |
|
4
|
0.25
|
12.29
| |
|
4 1/2
|
0.25
|
13.74
| |
|
5
|
0.25
|
15.40
| |
|
6
|
0.25
|
18.44
|
Where light or heavy pipe is used, brass ferrules
must be of best quality cast brass, not less than four inches long,
and two inches, three inches and four inches in inside diameter, and
not less than the following weights:
|
Diameter
(inches)
|
(pounds)
|
Weight
(ounces)
| |
|---|---|---|---|
|
2
|
0
|
14
| |
|
3
|
2
|
0
| |
|
4
|
3
|
8
|
One-and-one-half-inch ferrules are not permitted.
Soldering nipples must be heavy cast brass or
of brass pipe, iron pipe size. When cast, they must not be less than
the following weights:
|
Diameter
(inches)
|
(pounds)
|
(ounces)
| |
|---|---|---|---|
|
1 1/2
|
0
|
8
| |
|
2
|
0
|
14
| |
|
2 1/2
|
1
|
6
| |
|
3
|
2
|
0
| |
|
4
|
3
|
8
|
Where cleanouts are required by rules and by
the approved plans, the screws cap must be of brass. The engaging
part must have not less than six threads of iron pipe size and be
tapered. Cleanouts must be of full size of traps up to four inches
in diameter and not less than four inches for larger traps.
Brass screw caps for cleanouts must be extra
heavy, not less than 1/8 of an inch thick. The screw cap must have
a solid square or hexagonal nut not less than one inch high, with
a least diameter of 1 1/2 inches. The body of the cleanout ferrule
must be at least equal in weight and thickness of the caulking ferrule
for the same size of pipe.
A.
The use of lead pipes is restricted to the short branches
of the soil and waste pipes, bends and traps, roof connections of
inside leaders.
All lead waste, soil and vent pipes must be
of the best quality, known in commerce as "D", and of not less than
the following weights per linear foot:
|
Diameter
(inches)
|
Weight Per Linear Foot
(pounds)
| |
|---|---|---|
|
1 1/4
|
2 1/2
| |
|
1 1/2
|
3
| |
|
2
|
4
| |
|
3
|
6
| |
|
4
|
8
| |
|
4 1/2
|
8
|
All lead traps and bends must be of the same
weights and thicknesses as their corresponding pipe branches. Sheet
lead for roof flashings must be six-pound lead and must extend not
less than six inches from the pipe, and the joint must be made watertight.
Copper tubing, when used for inside leader roof
connections, must be seamless drawn tubing not less than 22 gauge,
and when used for roof flashings, must be not less than 16 gauge.
