A grading contractor discovers unsuitable soil conditions 3 feet below the planned foundation level. The soil exhibits high plasticity and poor drainage. What is the most appropriate remedial action?
Correct Answer
B) Over-excavate and replace with engineered fill
High plasticity soils with poor drainage are typically unsuitable for foundation support. Over-excavation and replacement with properly compacted engineered fill is the most reliable solution.
Why This Is the Correct Answer
High plasticity soils with poor drainage are typically unsuitable for foundation support. Over-excavation and replacement with properly compacted engineered fill is the most reliable solution.
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Which AIA document contains the general conditions that govern the rights and responsibilities of all parties in a construction contract?
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A general contractor tracks job costs using the percentage-of-completion method. If the total contract value is $500,000, total estimated costs are $400,000, and actual costs incurred to date are $160,000, what percentage of the project is complete?
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A contractor needs a crane for 6 months (130 working days). The rental rate is $800/day plus $150/day for operator. Purchase price is $185,000 with $35,000 annual operating costs and estimated resale value of $140,000 after one year. Which option is more economical?
