Grain Systems Tanks PNEG-1461 - Manual (Page 25)

5. Foundation
PNEG-1461 12', 15', 18' and 21' Bulk Feed Tank Series and Grain Hopper Tank Series 25
Figure 5K 21' 2-8 Rings BFT/GHT 24 Hopper Tank
# of
Ri
ng
s
Fo
oti
n
g
De
pth (D)
Slab
Th
ic
kne
ss (T)
Concre
te
Vo
lu
m
e
W
ire Mesh
Area
# of Colum
n
Le
gs
2-
6
13
"
4"
1
1
Cu
.
Y
a
rds
450
Sq.
Ft.
28
7
1
5"
4"
12
.1
Cu
.
Y
a
rds
450
Sq.
Ft.
2
8
8
16
"
4"
12
.7
Cu
.
Y
a
rds
450
Sq.
Ft.
28
# of
Ri
ng
s
Fo
oti
n
g
De
pth (D)
Slab
Th
ic
kne
ss (T)
Concre
te
Vo
lu
m
e
W
ire Mesh
Area
# of Colu
mn
Le
gs
2-
6
330 mm
102
mm
8.
41
Cu
. Me
te
rs
41.81
Sq.
Me
te
rs
28
7
381
mm
102
mm
9
.2
5
C
u
. Meters
41.81
Sq.
Me
te
rs
2
8
8
406 mm
102
mm
9.
71
Cu
. Me
te
rs
41.81
Sq.
Me
te
rs
28
GENERAL NOTES: 1
. Fo
und
ation recommend
ation
s
are
ba
sed on 35
00 lbs./f
t.^2
a
llow
able
soil bearing
cap
a
city
.
2
. Fo
und
ation recommend
ation
s
are
ba
sed on a mini
mu
m compressi
ve
strength of 3000
PSI
a
t 28
da
ys.
3
. Th
e fo
unda
ti
on site mu
st be wel
l drain
ed and
free of veget
ation
and de
bris.
4
. Th
e fo
unda
ti
on shou
ld be le
ve
l within
1/4"
ove
rall an
d within
± 1/8" in
an
y
1
0
f
t. len
g
th
a
lon
g the
a
n
chor bo
lt circle
.
5
. Material
e
s
timates do no
t incl
ude al
lowa
nce fo
r
shri
nkage
a
nd waste.
6
. Th
ese layo
ut
s are recommen
dation
s
for GSI
tanks onl
y.
Con
s
u
lt
GSI
en
gine
ering
for specia
l t
a
nk
fou
ndatio
ns.
All instructions shal
l be construed
as
recommend
ation
s
on
ly
. T
he actual
inst
alla
ti
on may
va
ry accord
ing to local
con
d
itio
ns. T
he GSI
Group
a
s
su
mes
no lia
bil
ity for
re
su
lt
s ari
s
ing fro
m
the use of such recommenda
ti
ons.
6"
Max
im
u
m
Grade
28
L
egs
Anchor bolt 5/8" x
8"
(203
mm)
bolt with a
1/8" thick x
1-3
/4
"
O.D. wash
er
o
n
hea
d.