HomeMy WebLinkAbout2700 W 25th St 02-1918 (anti-float computation)INTERPLAN
933 LEE ROAD, FIRST FLOOR
ORLANDO, FL 32810
PH 407.645.5008
FX 407.629.9124
7 -Eleven Store # 25882
2700 West 25th Street
Sanford, Florida
I.P. # 2001.2001
Anti -Flotation Computation
SEM!NOLE COUNTY
TANKS BUREAU
PLAN REVI p
BY
TANKS/ LINES ONLY
For (2) 10,000 gal double wall fiberglass tanks 8 ft. in diameter and 31'- 6.5" long
(reference attached drawings)
2.
3
Assumptions
a) Wet season water table at ground surface.
b) Weight of pumps and equipment is ignored.
C) Weight of concrete 150#/CF submerged 87.6#/CF
d) Weight of soil 100#/CF submerged 60#/CF
Upward Force: Volume Displaced (two tanks) (Shipping weight 4,085# or weight
w/brine 5,664#)
V = 10,000 gal
7.48ga1/CF
V„ = 1337 CF x 2 = 2674 CF
F = 2674 CF x 62.4#/CF = 166,858#
f.s. =1.1 x 166,858 = 183,544#
Downward Force
a) Weight of tanks =5,664 x
b) Weight of slab over tanks
41 x 31 x 8/12 x 87.6 =
FAS-W-Eleven\2001.2001\2001 calcs.doc
2 - 10,000 gal tks
L=31'-6.5"
D = 8'
Total Upward Force = 183,544#
2 11,328#
74,219#
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C) Volume of overburden (two tanks)
Where: B, = 31.5 x 18 = 567 SF
Bz = 41 x 31 = 1271 SF
V = (h/3) (131 + BZ + 4B, x Bz) - (V/2)
V = (6.83/3) [(567) + (1271) +4(567 x 1271)] - 1337 x 2
2
V = 4780 CF
Force = 4780 CF x 60#/CF = 286,812#
d) Weight of deadman
For two (2) 10,000 gallon tanks
Outer deadman 8 - 1 x 1 x 16 = 128 x 87.6#/CF = 11,212#
Total Downward Force = 383,571#
Net Downward Force = 200,027# f.s. 2.09
No additional tie downs required.
FAS-Z\7-Hleven\2001.2001 MO 1 calcs. doc
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