HomeMy WebLinkAbout1620 e brundage _envirotech report 6.22.20_99-126i
DS- 13109 -10
V := 578 Volume occupied by four concrete tank footings. The footing dimensions
c ^ are 6- inches above grade (0.5 ft.) and 17'L x 17' V11, cubicYt.
f
t
C := 0.1337 Gallons per cubic ft., Conversion Factor
L•(W -H) - 3- f -C -Vtk - VC
Volume of Containment Area, cubic ft.
V -3318
i
E
2.04
Vr ;_ .A
Contributing Rainfall, 24 -hour, 25 -year rain event, in cubic ft. 2.04
12
inch obtained from NOAA Atlas 14, Vol 6, Vert.
Vr = 329
Vt := Vr + C -Vtk
Total Required Containment Volume, cubic ft.
Vt = 3003
RESULTS:
j
Vr = 329
Contributing Rainfall, 25 -year event, cubic ft.
i
Vt = 3003
Total Required Containment Volume, cubic ft,
V = 3318 Secondary Containment Volume Provided, cubic ft.
CONCLUSIONS:
The required secondary containment volume for Unit 1 is 3,003 cubic feet (22,464 gallons).
The provided secondary containment volume of 3,318 cubic feet (24,820 gallons) for Unit 1 exceed
required containment volume. I
s the