Which of the following statements about footing drains is true?
a) Installed to prevent an accumulation of ground water around the building foundations.
b) Used to reduce the hydrostatic pressure on the walls below ground level.
c) Perforated or porous pipe is used to collect the water near the footings
d) The collected water is drained to a remote area or into a sump.
e) All of the above
Answer: E