FlexiQuiz - WELL CONTRACTORS CERTIFICATION CONSTRUCTION STANDARDS QUIZ1

Exploratory drilling may be done for (2) two reasons:

Ground water study of an area

Preliminary prior to well disgn/construction

Neither A or B

Both A & B

What is meant by developing a well in a well point system

After a well point is driven it should be cleaned out

Surging water in an out through the screen openings

Remove silt and fine particles of sand from formation

All of the above

Well point systems are typically used under the following conditions

Water table is within a few feet of the ground surface

Pumping from wells is with suction lift

Water bearing sand must exist at depths of 20-50 ft

All of the above

A well may be permanently abandoned when the following occurs:

Owner allows non owner to service well

Owner maintains the well

Becomes a source of contamination to groundwater supply

All of the above

Grout shall extend outward in all directions from the casing wall to a minimum thickness equal to either _________of the diameter of the outside dimension of the casing or ____ in, whichever is greater

1/4, 4 in

1/3, 6 in

1/3, 2in

1/5, 1in