FLOOD02929

• County: Statewide
• Community: na
• Basin: Statewide
• Title: Manufactured Home Installation in Flood Hazard Areas
• Date: 9/1/1985
• Prepared By: FEMA
• Floodplain - Doc Type: Educational/Technical/Reference Information

Pier Design C, as shown in Figure 4.28, consists
of eight inch by 16 inch concrete masonry units
with four No. 5 steel reinforcement bars, Pier
Design C is acceptable for the conditions label-
ed, A, B, or C, as shown in Table 4.11, based on
a minimum CMU strength of 1500 psi.
'Pier Design D, as shown in Figure 4.29, con-
sists of 12 inch by 12 inch cast-in-place concrete
or common brick with four No.5 steel reinforce-
ment bars. Pier Design D is acceptable for the con-
ditions labeled A, B, C, or D as shown in Table
4.11, based on a minimum concrete strength of
2500 psi.

16"

4Mmin.

#5 Dowels

"
"
" "
"
" "
" "
" "
" "
"
" "
" "
" "
" "
" "
"
" "
" "
" "
" "
"
'0;; s~ -
,,' ,;j,
,,' 0;')'
,,' I:JI
10;-' 1:)1
~ :~~l ',"
r'/I
'"
r-II 1'-f1"
,,' ',"
'r' O:'JI
, \"~ i:~ :
~'J 1.)1
: ~~ I:_jl
~:) I
-:/ <"

4-min.

00'.,"""""""".--
'0'0'
:: .:. ::
, ' '
, ' '
". ... -:
, ' '
, ' '
.-_.............-.

3-'#4 Reinf.
each way

0"

A

t> ..... 1 l-:~ ("-J "" . t>
v~? \.:: t>
.::. <1 r.: ~~.... -4

....~ ,;~P~~~:~ :~~~~~~i 0;>
~ v ~ I> l" t>
, v

.

,

12-min.

4 v,

Figure 4.28 Pier Design C

Table 4.11
MINIMUM ACCEPTABLE PIER DESIGNS 1

Support Spac ing
(ft. )

Thtal

2

Design COnditions
Wind = 15 psf

5

6

7

8

9

10

II

12

13

14

15

5
6
7
8
9
10

B

c

o

Wind = 25 psf

5
6
7
8
9
10

A

o

E

Iper manufactured hane section
2rotal pier length including depth below grade to the top of the footing

50