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WELL CONTRACTORS CERTIFICATION CONSTRUCTION STANDARDS QUIZ1
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When grout has to be placed on casing greater than 20 feet below land surface one of the following two methods must be used:
Gravity flow
Pumping
Pressure
B & C
What should be removed after the casing has been sunk to the depth at which the bottom of the screen is be set:
Drill bit
Pliers
Sand
Groundwater
What is required on a non-drinking water well identification plate that is not required on a drinking water supply well:
Name of contractor
Date the well was completed
Warning that the well is not a potable water supply
Warning groundwater may contain hazardous materials
Both C & D
None of the above
What two types of sand are recommended to be used for backfilling a hole to prevent slurry from penetrating more than 2-3 inches?
Plaster sand
Mortar sand
Play sand
Both A & B
When choosing the size of the casing, the controlling factor is usually the size of the ________
Aquifer
Pump
House
Building
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