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So in the solution to this problem, Lindberg uses the submerged weight of the granular fill. -- There is no mention of a water table in the statement. Is this an error?

A pump delivers 3.0 cfs of 70° F water through a 1000 foot, 12-inch steel discharge pipe. Assume a pipe roughness (e) of 0.0002 feet, and a Reynolds number of 3.0 * 10^5 . Use the Darcy equation to find the head loss (hf, feet) for the pipe. The book answer is 3.851. Can anyone confirm?

Okay, perhaps one of you geotechs can help me. I think the answer should be 1.5ksf. Why is this not correct? Q: A 10-foot diameter circular footing bears at a depth of 5 feet in clay. The clay has a total unit weight of 110 pcf and an unconfined compressive strength (qu) of 0.8 tsf. Assume...

Does anyone know whether or not spiral curves covered in the morning section? Thanks!