SC Water And Sewer Lines Practice Questions - South Carolina Water And Sewer Lines Contractor Examination Exam

Before a rubber-gasket concrete-pipe joint is made, what must be done to the bell and the spigot?

Coat both surfaces with portland-cement grout Leave the surfaces dry and dusty so the gasket can grip Carefully clean dirt and foreign material from both jointing surfaces and lubricate them with the approved lubricant Flame-dry the gasket recess to harden the rubber

Correct Answer:

Carefully clean dirt and foreign material from both jointing surfaces and lubricate them with the approved lubricant

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