WELL CONTRACTORS CERTIFICATION CONSTRUCTION EXAM

What should be removed after the casing has been sunk to the depth at which the bottom of the screen is be set:

What is the typical drying time for Portland cement?

Any person constructing, repairing, testing, or performing maintenance or installing a pump in a water supply well shall disinfect the well upon:

Where in the space should the introduction of grout occur first:

Which are the following are not good features of a well screen: