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CRSI Pile Cap

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bdlc2k

bdlc2k

Structural
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Looking at the 9-Pile example in CRSI (2002), the author specs a Pu=1233 kip and suggests using a 50 ton/pile cap. The table shows a capacity of Pu=1376 kip, but 50 tons x 9 piles = 450 tons= 900 kip which is (obviously) less than 1233 kip. I thought the pile capacity had to match or exceed the total load. Can someone clarify? How does this correlate to concrete piers?
Thanks!
 
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Service load vs ultimate maybe? I'm not sure without seeing it but that would be my guess
 
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