SW6230705_Design Calculations_20240304 (32)

SERENTIY 3,4 & 5
SCM 15
Drawdown Time
Temporary storage volume= 28,341 cf
Orifice#ldiameter= 3 in
# 1
Area of orifice= 0.0491 sf
Orifice Coefficient(Cd) = 0.60
Orifice elevation= 295.50 ft
Water elevation= 296.79 ft
Driving head(H)= 0.43 ft
Discharge(Q)= 0.155123 cfs
Drawdown time= 182699 s
50.7 hr
2_1 days