Grain Systems Bin Accessories PNEG-318 - Manual (Page 178)

20. Foundation Recommendations BFT/GHT Series
178 PNEG-318 Concrete Foundation Recommendations for GSI Grain Bins
Figure 20S 21' 2-8 Ring 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 free of
ve
get
ation an
d debri
s
an
d
we
ll drain
ed.
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
in
struction
s
sha
ll
be
con
s
true
d a
s
reco
mme
ndatio
ns o
n
ly
. Be
ca
use
th
e
actual
i
n
st
a
llatio
n
ma
y vary accordi
ng to
l
o
cal cond
itions. The
GSI Group
assumes no lia
bili
ty fo
r result
s
a
rising fro
m
the use
o
f such recommenda
ti
ons.