AL Water Projects Practice Questions - Alabama Water Projects Contractor Examination Exam

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When a water main and sanitary sewer must cross under ADEM 335-7-7 (after January 1, 2013, unless otherwise approved), how is separation completed with casing?

Sleeve only the fitting bolts; no length of casing is required Case both pipes for 6 inches on each side of the crossing A short repair clamp may replace casing if the pipes are ductile iron Place a continuous casing around one of the mains so there is a minimum five-foot separation between each end of the cased main and the uncased main

Correct Answer:

Place a continuous casing around one of the mains so there is a minimum five-foot separation between each end of the cased main and the uncased main

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