Description
|
Material Specification
| |
---|---|---|
Clay brick
|
M4.05.2
| |
Cement concrete brick
|
M4.05.0
| |
Cement concrete block
|
M4.05.1
| |
Cement mortar
|
M4.02.15
| |
Gravel borrow
|
M1.03.0, Type A
| |
Precast units
|
M4.02.14
|
T = 0.085 (DK/Q)
| |||
Where:
| |||
T
|
=
|
Shortest time, in seconds, allowed for the air
pressure to drop to 1.0 pounds per square inch gauge
| |
K
|
=
|
0.000419 DL, but not less than 1.0
| |
Q
|
=
|
0.0015 cubic feet/minute/square feet of internal
surface
| |
D
|
=
|
Normal pipe diameter in inches
| |
L
|
=
|
Length of pipe being tested in feet
|
Fitting
|
Number of Joints to Restrain on Either
Side of Fitting
(based on 18 feet of pipe length)
| ||
---|---|---|---|
90 bend
|
2
| ||
45 bend
|
1
| ||
22.5 bend
|
1
| ||
Tee:
| |||
Branch
|
2
| ||
Run
|
2
|