Individuals can explain underground pipe installation for various types of pipe. They can identify the types and properties of soil. They are aware of guidelines for working safely in or near trenches. They can describe bedding, backfilling, thrust blocks and restraints. They are familiar with in-building risers, hydrants, yard valves and hydrant hoses. They understand how underground pipe is tested, inspected, flushed and chlorinated. They know how to fill out underground test certificates.

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