A square footing (10' x 10') is located 6' below grade. The lowest corrected N value (blow count) is 40 and groundwater was not encountered. If the maximum allowable settlement is 1", determine the maximum allowable soil pressure.

A footing is carrying a design column load of 22 k and a moment of 5 k-ft in one direction.The footing will be founded on sand at a depth of 2 ft. The water table is 3 ft below the groundsurface. Design the footing width for a square footing that will carry the design loads and meetthe presumptive allowable bearing pressure per the International Building Code.

Design a 275 ft long x 4.0 ft wide x 9.0 ft deep utility trench as a sloped excavation with no bracing following OSHA guidelines. The unconfined compressive strength of the soil is 3.2 ksf. There is not going to be vibrating equipment in the vicinity of the excavation. What OSHA soil type is this. Justify your answer.  Is benching allowed for this soil type? Explain.