Restraint Length Calculator
Pipe Material
Ductile Iron
Poly Wrapped Ductile
PVC
Soil Type
GW
SW
GP
SP
GM
SM
GC
SC
CL
ML
CL, Gran.Fill
ML, Gran.Fill
CH, Gran.Fill
MH, Gran.Fill
Safety Factor
1.0 to 1
1.5 to 1
2.0 to 1
2.5 to 1
3.0 to 1
Trench Type
3
4
5
Depth of Bury
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
Test Pressure
30
40
50
60
70
80
100
150
200
250
300
350
Fitting Type
Horizontal Bend
Vertical Offset
Tee
Reducer
Dead End
800-433-1716
