Foundation – Grain Systems Tanks PNEG-1461 User Manual
Page 20
5. Foundation
20
PNEG-1461 12', 15', 18' and 21' Bulk Feed Tank Series and Grain Hopper Tank Series
Figure 5F 15' 7-8 Rings BFT/GHT 60° Round Pad
# 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
14
"
4"
6.3 Cu.
Y
a
rd
s
225
Sq
.
Ft.
20
8
1
5"
4"
6.6
Cu. Y
a
rd
s
225
Sq
.
Ft.
2
0
# 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
356
mm
102
mm
4.
82 Cu.
Meters
20.9 Sq.
Meters
20
8
381
mm
102
mm
5
.0
5
Cu.
Meters
20.9 Sq. Meters
20
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 we
ll drain
ed an
d
free
of vege
ta
tio
n
and
de
bris.
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.
Al
l i
n
stru
ctio
ns sha
ll
be co
nstru
ed
as reco
mmen
dation
s
on
ly
.
The
actual
in
st
al
lation
ma
y vary accordi
ng to
l
o
cal cond
itions. The
GSI Group assumes no
li
abi
lity
for
re
sult
s
a
ri
s
ing from
the use
o
f such recommend
ations.
6" Maximum
Gra
d
e
20 Le
gs
An
ch
or bolt 5/8" x
8
"
(2
03 mm) bol
t with a
1
/8
"
thi
c
k x 1-3/4" O.D.
w
a
sher on he
ad.