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Trench Excavation Side Slope 1:1/2

Trench Exc. Side Slope 1-Half

Volume in Cubic Yard Per L.F. Trench
Pipe Dia
2′
3′
4′
5′
6′
7′
8′
9′
10′
6″
.333
.556
.815
1.111
1.444
1.850
2.222
2.667
3.148
8″
.370
.611
.889
1.203
1.556
1.944
2.370
2.833
3.333
10″
.370
.611
.889
1.203
1.556
1.944
2.370
2.833
3.333
12″
.370
.611
.889
1.203
1.556
1.944
2.370
2.833
3.333
15″
.389
.639
.926
1.250
1.611
2.099
2.444
2.917
3.426
18″
.407
.667
.963
1.296
1.667
2.074
2.518
3.000
3.518
24″
.444
.722
1.037
1.389
1.778
2.204
2.667
3.167
3.704
30″
.778
1.111
1.481
1.889
2.333
2.815
3.333
3.889
33″
1.148
1.528
1.944
2.398
2.889
3.417
3.981
36″
1.185
1.574
2.000
2.462
2.963
3.500
4.074
42″
1.259
1.667
2.111
2.592
3.111
3.697
4.259
48″
1.333
1.759
2.222
2.722
3.260
3.833
4.444
54″
1.852
2.333
2.852
3.407
4.000
4.630
60″
2.778
2.444
2.981
3.556
4.167
4.815
66″
2.556
3.111
3.704
4.333
5.000
72″
2.667
3.240
3.852
4.500
5.185
78″
3.370
4.000
4.667
5.370
84″
3.500
4.148
3.722
5.556
90″
4.296
5.000
5.741
96″
4.444
5.167
5.926
102″
5.333
6.111
108″
5.500
6.296
114″
6.481
120″
6.670

Volume in Cubic Yard Per L.F. Trench
Pipe Dia
12′
13′
14′
15′
16′
17′
18′
19′
20′
6″
8.334
8″
4.444
5.056
5.704
6.389
7.111
7.870
8.667
9.500
10.37
10″
4.444
5.056
5.704
6.389
7.111
7.870
8.667
9.500
10.37
12″
4.444
5.056
5.704
6.389
7.111
7.870
8.667
9.500
10.37
15″
4.556
5.176
5.833
6.528
7.260
8.028
8.333
9.676
10.55
18″
4.667
5.296
5.962
6.667
7.407
8.185
9.000
9.333
10.74
24″
4.889
5.537
6.222
6.944
7.704
8.500
9.333
10.20
11.11
30″
5.111
5.778
6.481
7.222
8.000
8.814
9.667
10.56
11.48
33″
5.222
5.898
6.611
7.361
8.148
8.972
9.833
10.73
11.67
36″
5.333
6.018
6.741
7.500
8.296
9.130
10.00
10.91
11.85
42″
5.556
6.259
7.000
7.778
8.592
9.444
10.33
11.26
12.22
48″
5.778
6.500
7.259
8.056
8.889
9.759
10.67
11.61
12.59
54″
6.000
6.741
7.518
8.333
9.185
10.07
11.00
11.96
12.96
60″
6.222
6.981
7.778
8.611
9.481
10.39
11.33
12.31
13.33
66″
6.444
7.222
8.037
8.889
9.778
10.70
11.67
12.67
13.70
72″
6.667
7.463
8.296
9.167
10.07
11.02
12.00
13.02
14.07
78″
6.889
7.704
8.556
9.444
10.37
11.33
12.33
13.37
14.44
84″
7.111
7.944
8.815
9.722
10.67
11.65
12.67
13.72
14.81
90″
7.333
8.185
9.074
10.00
10.96
11.96
13.00
14.07
15.18
96″
7.556
8.426
9.333
10.28
11.26
12.28
13.33
14.43
15.56
102″
7.778
8.667
9.592
10.56
11.56
12.59
13.67
14.43
15.92
108″
8.000
8.907
9.852
10.83
11.85
12.91
14.00
15.13
16.30
114″
8.222
9.148
10.11
11.11
12.15
13.22
14.33
15.48
16.67
120″
8.444
9.389
10.37
11.39
12.44
13.54
14.67
15.83
17.04
126″
8.667
9.630
10.63
11.67
12.74
13.86
15.00
16.18
17.41
132″
8.889
9.870
10.89
11.94
13.04
14.07
15.33
16.54
17.78
138″
9.111
10.11
11.15
12.22
13.33
14.48
15.67
16.89
18.14
144″
9.333
10.35
11.41
12.50
13.63
14.80
16.00
17.24
18.52