Which of the following is/are permitted to discharge directly into a public storm water drainage system?
(1) air conditioning condensate
(2) effluent from a septic tank
(3) floor drain from basement carpark
(4) water collected from the basement cavity wall
A. (1) only
B. (3) and (4) only
C. (1), (2) and (4) only
D. (1), (2), (3) and (4)
ANS: A.
(why is water collected from the basement cavity wall not permitted to discharge directly into a public storm water drainage system? )
Sub-soil water must be connected to a drain before discharging to a public sewer.