Grain Systems Tanks PNEG-257 - Manual (Page 23)

5. Foundation
PNEG-257 12', 15', 18' and 21' Bulk Feed Tanks BFT and GHT Series 23
Figure 5I 18' 2-8 Rings BFT/GHT Hopper Tank
# of
Rings
Fo
oti
n
g
Depth (D)
Slab
T
h
ickn
es
s (T
)
Conc
rete
Vo
lu
m
e
W
ire Mesh
Ar
ea
# of C
o
lu
m
n
Le
gs
2-4
12
"
4"
8.
5 C
u
.
Y
a
rd
s
3
50 Sq.
F
t.
18
5-6
1
5
"
4"
1
0
C
u
. Y
a
rds
3
50
Sq. F
t.
1
8
7
16
"
4"
10.9 Cu. Y
a
rds
3
50 Sq.
F
t.
18
8
1
8
"
4"
1
1
.5
C
u
. Y
a
rds
3
50 Sq.
F
t.
1
8
# of
Rings
Fo
oti
n
g
Depth (D)
Slab
T
h
ickn
es
s (T
)
Conc
rete
Vo
lu
m
e
W
ire Mesh
Ar
ea
# of C
o
lu
m
n
Le
gs
2-4
3
05 mm
1
02 mm
6.5 C
u
. Meters
32.52 Sq.
Meters
18
5-6
3
81 mm
1
02 mm
7.66 Cu
. Meters
3
2
.52 Sq.
Meters
18
7
4
06 mm
1
02 mm
8.33 Cu
. Meters
32.52 Sq.
Meters
18
8
4
57 mm
1
02 mm
8.79 Cu
. Meters
3
2
.52 Sq.
Meters
18
GEN
E
RAL NOTES:
1. Fou
nda
tio
n
recommenda
ti
ons are
base
d
on 350
0 lbs./f
t.^2 al
lowa
ble
soil bearing
cap
a
city
.
2. Fou
nda
tio
n
recommenda
ti
ons are base
d
on a mi
nimum compressive
stren
g
th of
30
00 PSI at 28 days.
3. The
fou
ndatio
n si
te
must be fre
e
o
f veg
e
ta
ti
on and
d
ebris and
well
d
raine
d.
4. The
fou
ndatio
n sh
oul
d
b
e
level
wi
th
in 1/4" overa
ll and
wi
th
in
± 1/8" in any 10
f
t.
leng
th
al
ong
the an
chor bolt circle.
5. Ma
te
ri
al estimates do not inclu
de all
o
wan
c
e
for shrin
k
a
ge and
w
a
ste
.
6. The
s
e layou
ts are recommenda
ti
ons fo
r
GSI t
anks only
.
C
onsul
t GSI
eng
inee
ring for sp
ecial
t
ank foun
dation
s
.
All instructions shal
l be construed
as
recommend
ation
s
on
ly
. Becau
s
e
the
actual in
st
al
lation
may vary
a
c
co
rding
to lo
ca
l co
ndi
ti
ons.
T
he GSI Grou
p
assumes no lia
bili
ty for
re
su
lt
s arisi
ng
fro
m
the use of such recommenda
ti
ons.