FlexiQuiz - WELL CONTRACTORS CERTIFICATION CONSTRUCTION STANDARDS QUIZ2

If there is a concern of boulders at a certain site, it may be better to drill an _________

Test well

Exploratory hole

Excavation site

None of the above

When might spacing between wells in well point systems be greater than 50ft

Depth and thickness of the aquifer allow well screens 10ft or longer

Large pockets of rocks within aquifer

Piping is too large

None of the above

A well be required to have an annular grout seal thickness greater than ____ inches

2

4

6

8

What are ways the grout can be forced into a space when gravity may not be practical:

Pump

Air pressure

Water pressure

All of the above

When an open borehole has been drilled below the depth to which the casing is to be grouted, what must happen:

Lower part of the hole must be backfilled

A bridge must be set in the hole

Sticks should be placed in frame

Both A & B

WELL CONTRACTORS CERTIFICATION CONSTRUCTION STANDARDS QUIZ2