| |colspan="2" style="background:whit; color:red; text-align: center"|  '''Drainage time of ponded water after the end of storm event , hr''' ||  ||  ||  ||  || 24 (48 recommd.) || < 48 (2 yr. design) ||  ||  ||  ||  ||  ||  ||  ||  || Max. 48 hr. ||  ||  ||  ||   | |colspan="2" style="background:whit; color:red; text-align: center"|  '''Drainage time of ponded water after the end of storm event , hr''' ||  ||  ||  ||  || 24 (48 recommd.) || < 48 (2 yr. design) ||  ||  ||  ||  ||  ||  ||  ||  || Max. 48 hr. ||  ||  ||  ||   |