Foundation – Grain Systems Tanks PNEG-257 User Manual
Page 22
5. Foundation
22
PNEG-257 12', 15', 18' and 21' Bulk Feed Tanks BFT and GHT Series
Figure 5H 15' 9 Rings BFT/GHT 20 Leg 45° Tank
# o
f
Rings
Fo
otin
g
Depth (D)
Slab
T
h
ick
n
es
s (T)
Conc
re
te
Vo
lu
m
e
W
ire Mesh
Ar
e
a
# of
C
o
lumn
Leg
s
9
18
"
4"
7.7
C
u
. Y
a
rds
225 Sq. Ft.
20
# o
f
Rings
Fo
otin
g
Depth (D)
Slab
T
h
ick
n
es
s (T)
Conc
re
te
Vo
lu
m
e
W
ire Mesh
Ar
e
a
# of
C
o
lum
n
Leg
s
9
4
57 mm
102
mm
5.89
Cu
.
Meters
20.90 Sq. Me
te
rs
20
GENERAL NOTES:
1. Fo
unda
ti
on recommend
ations are ba
se
d on 350
0 lbs./f
t.^2
a
llowa
ble
soil bearing cap
a
city
.
2. Fo
unda
ti
on recommend
ations are ba
se
d on a minimum compressive
stre
ngth of
3
000 PSI
a
t 28 da
ys.
3. Th
e
fou
nda
tio
n
site
must be fre
e
of
veg
e
ta
ti
on and
d
ebris an
d
wel
l drain
ed.
4. Th
e
fou
nda
tio
n
shoul
d be leve
l
w
ithin 1/4" ove
ra
ll and
wi
th
in
± 1/8" in an
y 10
f
t. leng
th
a
long
the
a
n
chor bol
t circle.
5. Mate
rial estimates do not inclu
de al
lowan
c
e fo
r shrin
k
age an
d waste.
6. Th
ese layou
ts are recommend
ations for
GSI
tanks onl
y.
Consu
lt GSI
eng
ine
e
ring
for specia
l t
a
n
k
foun
dation
s
.
All instruction
s
sha
ll be construed
a
s
recommen
dation
s
o
n
ly
.
Beca
use th
e
actual in
st
al
lation
may vary accordin
g to lo
cal cond
iti
ons.
T
h
e
GSI Gro
up
assumes no li
abil
ity for re
sult
s
a
ri
s
ing from
the use
o
f such recommend
ations.