Page 333 - Facility Piping Systems Handbook for Industrial, Commercial, and Healthcare Facilities

SITE UTILITY SYSTEMS

24 0.0002 0.0003 0.0004 0.0005 0.0006 0.0007 0.0008 0.001 0.0012 0.0015 0.0017 0.002 0.0025

20 0.0004 0.0005 0.0007 0.0008 0.001 0.0012 0.0015 0.0017 0.002 0.0025 0.003 0.0035 0.004

16 0.0006 0.0008 0.001 0.0013 0.0016 0.002 0.0025 0.003 0.0035 0.004 0.0045 0.005 0.006

12 0.001 0.0015 0.002 0.0025 0.003 0.0035 0.004 0.005 0.0055 0.006 0.007 0.009 0.010

0.0015
10 0.002 0.003 0.0035 0.004 0.005 0.006 0.007 0.008 0.009 0.010 0.012 0.015

0.002
8 0.003 0.004 0.006 0.007 0.008 0.010 0.011 0.012 0.013 0.015 0.019 0.022

0.004
6 0.005 0.007 0.009 0.012 0.014 0.016 0.018 0.020 0.022 0.026 0.031 0.037
Depth of cover, ft †
0.006
5 0.007 0.010 0.013 0.016 0.019 0.022 0.025 0.028 0.031 0.037 0.045 0.052

Surface Load Factor—One Truck on Flexible Pavement *
0.009
4 0.011 0.015 0.020 0.025 0.030 0.034 0.038 0.042 0.046 0.054 0.065 0.076
3 1/2 0.011 0.013 0.020 0.026 0.031 0.036 0.042 0.047 0.052 0.058 0.068 0.081 0.093

0.014
3 0.017 0.025 0.033 0.040 0.048 0.055 0.061 0.068 0.075 0.087 0.102 0.117 * These factors are for a single concentrated wheel load centered over an effective pipe length of 3 ft.

2 1/2 0.020 0.024 0.034 0.044 0.054 0.063 0.072 0.082 0.090 0.098 0.113 0.132 0.148

0.028
2 0.034 0.048 0.062 0.074 0.087 0.099 0.110 0.122 0.132 0.150 0.171 0.188
Pipe size, in 3 4 6 8 10 12 14 16 18 20 24 30 36

TABLE 6.10 DN 80 100 150 200 250 300 350 400 450 500 600 750 900 † 1 ft = 0.3 m. Source: ANSI 21.1.

6.55
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