What should be removed after the casing has been sunk to the depth at which the bottom of the screen is be set:
Thermoplastic casing shall not be driven by impact, but may be pushed
What is required on a non-drinking water well identification plate that is not required on a drinking water supply well:
Why is a circular arrangement more efficient for a well point system
In order to assure that grout will provide a complete seal it should be placed________
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