Foundation – Grain Systems Tanks PNEG-1461 User Manual
Page 23
5. Foundation
PNEG-1461 12', 15', 18' and 21' Bulk Feed Tank Series and Grain Hopper Tank 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 we
ll
d
ra
ine
d and free of
ve
get
ation
a
nd deb
ri
s.
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
i
n
stru
ctio
ns sh
all
be
co
nstru
ed as recommenda
ti
ons onl
y.
The
a
c
tua
l
in
st
a
llatio
n
may
vary a
c
co
rding
to
local
con
d
ition
s
.
Th
e GSI Group
assumes
n
o
liab
ility fo
r resul
ts arisin
g from
th
e use of
such
reco
mme
ndatio
ns.
6" Maximum
Grade
1
8
Leg
s
Anchor bolt 5/8"
x 8"
(203 mm) bolt with a
1/8" th
ick
x 1-3/4"
O.D
. washe
r
o
n
head
.