Grain Systems Tanks PNEG-257 - Manual (Page 16)

5. Foundation
16 PNEG-257 12', 15', 18' and 21' Bulk Feed Tanks BFT and GHT Series
Figure 5B 12' 2-8 Rings BFT/GHT Round Pad
# of
Rings
Sl
ab
Th
ic
kne
ss (D)
Conc
rete
Vo
lu
m
e
W
ire Mesh
Area
# of Colum
n
Leg
s
2-5
15"
7.
1 C
u
.
Y
a
rd
s
155 Sq. Ft.
8
6
16"
7
.6
Cu
. Y
a
rds
155 Sq. Ft.
8
7
16"
7.
6 C
u
.
Y
a
rd
s
155 Sq. Ft.
8
8
17"
8
.1
Cu
. Y
a
rds
155 Sq. Ft.
8
# of
Rings
Sl
ab
Th
ic
kne
ss (D)
Conc
rete
Vo
lu
m
e
W
ire Mesh
Ar
e
a
# of Colum
n
Leg
s
2-5
38
1 mm
5.45 Cu. Mete
rs
14.40 Sq. Me
te
rs
8
6
4
0
6
mm
5.81 Cu. Mete
rs
14.40 Sq. Me
te
rs
8
7
40
6 mm
5.81 Cu. Mete
rs
14.40 Sq. Me
te
rs
8
8
4
3
2
mm
6.18 Cu. Mete
rs
14.40 Sq. Me
te
rs
8
GENERAL N
O
TES:
1
. Fo
und
ation recommen
dation
s
are
ba
sed on 35
00 lbs./f
t.^
2
a
llo
wabl
e
soil bearing
cap
a
city
.
2
. Fo
und
ation recommen
dation
s
are
ba
sed on a mini
mu
m compre
ssi
v
e
strength of 3000
PSI
a
t 28
d
a
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"
o
v
e
rall an
d within
± 1/8" in
a
n
y
1
0
f
t. len
g
th alon
g the
a
n
chor bo
lt circle
.
5
. Material
e
s
timates do no
t in
cl
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
gin
eerin
g
for speci
a
l t
a
nk
fou
ndatio
ns.
*
App
lie
s to 45° hop
per t
a
nk
o
n
ly
.
All
i
n
stru
ctio
ns sh
all be
co
nstru
ed
as re
commenda
ti
ons only
. Because the
ac
tual inst
allation may
var
y
accordi
ng to local
con
d
ition
s
. Th
e GSI
Group
a
s
su
me
s
n
o
l
iab
ility for resul
ts arisin
g
from th
e use of
such
reco
mmen
datio
ns.
* *