May 05 Daily Question: Net Excavation for a Foundation Plan

NCEES Civil PE Specification VIII.A.: Excavation and embankment


Problem

You are responsible for placement of 8 spread foundations required to support a new structure. Each foundation is composed of a square footing and pier as shown in the typical elevation. The project geotechnical report states that 3 feet of over-excavation and compaction is required below and around each footing. Based on typical footing dimensions shown, determine the total net excavation required for all foundations in cubic yards.

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