Grain Systems Tanks PNEG-603 - Manual (Page 17)

4. FCHT Base Plate Layouts
PNEG-603 4" Commercial Hopper Tank 17
18' Diameter FCHT Foundation
Figure 4B
NO
TES
:
1
. T
he fo
und
ati
on desi
gn is based
o
n
a
mi
nimum allo
wabl
e so
il bea
ring
cap
a
city
of 300
0 PSF
. Bea
ring
ca
p
a
city of the
soils
shoul
d be
de
termin
ed
by ge
ote
c
hnica
l investiga
ti
on and
b
e
o
f un
iform be
aring
ca
p
a
city
.
2
. T
he fo
und
ati
on site mu
st be free of
ve
get
ation an
d debri
s
an
d
we
ll drain
ed.
3
.
T
he
fo
und
ati
on
must be
fou
nded
b
e
lo
w the
frost li
ne
or
constructe
d
on
no
n-exp
a
nsive fro
s
t fre
e
fil
l.
4
. All material
u
s
ed fo
r
b
a
ckfil
l insid
e
the
ri
ng wall
sh
ould
b
e
cl
ean
, wel
l
gra
ded, crushed
rock or a sa
nd-gra
v
el mixtu
re
. Backfill sho
u
ld be
p
laced
in
6
" l
if
ts,
95
% co
mp
acti
on.
5. All reinforc
ement
must m
e
et
the
req
u
iremen
ts
of
AST
M A61
5
grade
60
de
fo
rme
d
bars.
6
. La
p
a
ll circumferential
b
a
rs
3
5
bar dia
m
e
te
rs an
d
st
agg
er all la
p
s
i
n
pl
ans 3'
-0".
Estimates fo
r material
d
o
not
in
clud
e end la
p
s
.
7
. Con
c
re
te
must have a mini
mu
m co
mpressive
streng
th
of 300
0 PSI at
28
d
a
ys, 6%-8
%
a
ir entrainme
nt, 4" slump.
8
. Cod
e
s:
UBC 97
, ACI
3
18-95
.
9
. Interior to
p slab may be crowne
d 2" to
p
ro
v
ide wa
ter drai
nag
e
a
w
ay
from fou
ndatio
n. Cro
w
nin
g
the
sla
b
will
red
u
ce
th
e
cleara
n
ce
und
er
the di
sch
a
rge.