Exam (elaborations)
U1 Ust Installer/Retrofitters Exam Questions with 100% Correct Answers
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When a bottom hold down pad is used under a steel tank. Correct answer the bedding material may be reduced to 6" Cover in areas that are subject to vehicle traffic correct answer 30" compacted backfill and 6" of asphaltic concrete, or 18" of compacted backfill and 6 to 8" of reinforced concrete....
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