SW6230705_Design Calculations_20240304 (8)

SERENTIY 3,4 & 5
SCM 12
Drawdown Time
Temporary storage volume= 19,036 cf
Orifice#ldiameter= 2.4 in
# 1
Area of orifice= 0.0314 sf
Orifice Coefficient(Cd) = 0.60
Orifice elevation= 312.50 ft
Water elevation= 313.86 ft
Driving head(H)= 0.45 ft
Discharge(Q)= 0.101858 cfs
Drawdown time= 186888 s
51.9 hr
2_2 days