Page 328 - Facility Piping Systems Handbook for Industrial, Commercial, and Healthcare Facilities
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SITE UTILITY SYSTEMS
6.50 CHAPTER SIX
Discussion:
1. To determine C or C , refer to Figs. 6.29 and 6.30 or Fig. 6.31,
p
d
where H = height of backfill over top of pipe, ft
D = outside diameter of pipe, ft
B = width of trench at top of pipe, ft
FIGURE 6.29 Installation conditions for earth load calculations.
FIGURE 6.30 Calculation coefficients for ditch condition.
(Courtesy: ANSI 21.1.)
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