Foundation – Grain Systems Tanks PNEG-257 User Manual
Page 21
5. Foundation
PNEG-257 12', 15', 18' and 21' Bulk Feed Tanks BFT and GHT Series
21
Figure 5G 15' 7-8 Rings BFT/GHT 45° Hopper Tank
# of
Rings
Fo
oti
n
g
De
pth (D)
Slab
Th
ic
kne
ss (T)
Concre
te
Vo
lu
m
e
Wi
re
M
e
s
h
Area
# of Colu
mn
Le
gs
7
17
"
4"
7.4 Cu.
Y
a
rd
s
225
Sq
.
Ft.
15
8
1
8"
4"
7.7
Cu. Y
a
rd
s
225
Sq
.
Ft.
1
5
# of
Rings
Fo
oti
n
g
De
pth (D)
Slab
Th
ic
kne
ss (T)
Concre
te
Vo
lu
m
e
Wi
re
M
e
s
h
Area
# of Colu
mn
Le
gs
7
432
mm
102
mm
5.
66 Cu.
Meters
20.90
Sq.
Mete
rs
15
8
457 mm
102 mm
5.89
Cu. Meters
20.90 Sq.
Meters
15
GENERAL N
O
TES:
1
. F
ound
ation recommen
dation
s
are
b
a
sed on
35
00 lbs./f
t.^
2
a
llo
wabl
e
soi
l beari
ng cap
a
ci
ty
.
2
. F
ound
ation recommen
dation
s
are
b
a
sed on
a mini
mu
m
compre
ssi
v
e
strength of 3000
PSI at 28
d
a
ys.
3
. T
he fo
und
ati
on site mu
st be free of
ve
get
ation
an
d deb
ri
s
an
d
we
ll drain
ed.
4
. T
he fo
und
ati
on shou
ld be le
vel within
1
/4"
o
v
e
rall an
d within
± 1/8" in
a
n
y
1
0
f
t. len
g
th alon
g th
e
a
n
cho
r bo
lt
circle
.
5
.
Material
e
s
timates
do
no
t
in
cl
ude
a
llowa
nce
for sh
ri
nkage
a
nd
waste.
6
. T
hese layo
ut
s are recommen
dation
s
for GSI
ta
n
k
s on
ly
. Con
s
ult
GSI
en
gin
eerin
g
for speci
a
l t
a
nk
fou
nda
tio
n
s.
All
in
struction
s
sh
all
be
con
s
true
d
as re
co
mme
ndatio
ns o
n
ly
. Be
ca
use
the
actual
i
n
st
a
llatio
n
ma
y
vary accordi
ng to
l
o
cal cond
itions. The
GSI
Group
assumes
no liability for
result
s arising
fro
m
t
h
e
use
of
su
ch
re
co
mme
nd
a
ti
o
ns.