SW6230705_Design Calculations_20230831 (30)

SERENTIY 3,4 & 5
SCM 15
Drawdown Time
Temporary storage volume= 28,193 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)= 0.154768 cfs
Drawdown time= 182164 s
50.6 hr
2_1 days