Exam (elaborations)
Home Owner General Contracting B.C. Exam Solved 100% Correct!!
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At what depth of trench is shoring require / At what depth of an excavation is shoring required? - 1.2 Meters or 4 feet Which of the following is not an acceptable method for determining the correct grading for a trench? - An experienced excavator says it's ok Which best describes the design pr...
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