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"Case Studies" > Construction - Contract > Misreported Conditions Drove Cost of Construction Grading Sky High

Misreported Conditions Drove Cost of Construction Grading Sky High

Summary:


Testimony of the soils engineer included how he was able to reconstruct
the actual rock horizon (depth) after excavation in order to accurately
compare actual conditions to depths reported by the owner. The difference
was significant. In addition, because the arbitration panel was probably
unfamiliar with the magnitude of additional excavated rock involved,
a simple analogy exhibit was designed to make that amount clear.

Plaintiff grading subcontractor, with over 50 years experience, was hired by a general contractor with no subterranean rock excavation experience to grade the site of a housing subdivision. Plaintiff bid the job based on information furnished by the owner, including the depth of rippable rock. However, once grading began, the depth of rippable rock was much more shallow than reported, causing the grader to excavate, crush, haul, and find fill locations for a large quantity of excess material.


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