Service Loads

See the following Table 5-1 for maximum drilled shaft service loads recommended without conducting a detailed structural analysis. Foundation design outlined in this chapter must be followed to ensure the proper sizes are selected and embedment criteria is specified in the contract plans.
Table 5-1: Maximum Allowable Drilled Shaft Service Loads
Size
Load
24 in.
175 tons
30 in.
275 tons
36 in.
400 tons
42 in.
525 tons
48 in.
700 tons
54 in.
900 tons
60 in.
1,100 tons
66 in.
1,350 tons
72 in.
1,600 tons
84 in.
2,175 tons
96 in.
2,850 tons
108 in.
3,625 tons
120 in.
4,475 tons