M Sand Plant Rate

20191010a rapid sand filter plant is designed to treat 23 glday at a rate of 120 mdayetermine the size and number of units required if the overflow rate is not to exceed 180 mday with one filter being backwashed, and 240 mday with one filter out of service and one being backwashed how much water would be required to backwash one filter of the wash is at 1 mmin and continues for 10 min.