Use and Care Manual
Holdowns
77
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Holdowns
MiTek
®
Product Catalog
HPAHD / PAHD Foundation Straps
Typical HPAHD22-2P
corner installation
Typical HPAHD22-2P
midwall installation
HPAHD22-2P
WL
I
E
D
Qty
6
Type
10
Corner
2
Midwall
3,4
Corner
2
Midwall
3,4
WL
I
E
D
Qty
6
Type
10
Corner
2
Midwall
3,4
Corner
2
Midwall
3,4
1
)
Predrilled holes are not re
q
uired.
2
)
Corner stra
p
location im
p
lies that the distance from the corner of the wall to the ed
g
e of the stra
p
is no less than 1/2".
3
)
Midwall stra
p
location im
p
lies that the minimum distance from the corner of the wall to the centerline of the stra
p
is
no less than 1.5 times the embedment depth (l
E
).
4) For edge distances between 1/2" and 1.5 x l
E
calculate loads using straight line interpolation.
5) Minimum anchor spacing for full capacity is 2 x l
E
. For spacing less than that reduce capacity proportionally.
6
)
The stra
p
should be fastened with nails startin
g
from lowest
p
air of nail holes and workin
g
u
p
towards the to
p
of the stra
p
.
In man
y
cases, not all nail holes are needed to be filled.
7
)
Minimum concrete stren
g
th f'c = 2,500
p
si.
8
)
Minimum 1-#4 rebar shall be installed in the shear cone.
9
)
Deflection at hi
g
hest allowable loads for installation over wood double studs are as follows:
HPAHD22 = 0.118", PAHD42 = 0.095".
10
)
NAILS: 16d nails are 0.162" dia. x 3-1/2" lon
g
.
1850 705 15105-3/4 6 15 16d 1010
2855 1905 2000
IBC,
FL,
LA
PAHD42 -- 12 2-1/16 16-5/8 8
4-1/8 6 23 16d 2280 HPAHD22 -- 10 2-1/16 24-3/4 9-1/2
PAHD42 --
2-1/16 24-3/4
2-1/16 16-5/8
MiTek
Stock No. Ga.
Dimensions (in)
Concrete
Stemwall
Minimum
Thickness (in)
Fastener
Schedule
1
HPAHD22 -- 10 23 16d4-1/89-1/2 6
8 5-3/4
DF/SP Allowable Tension Loads (Lbs.)
5
Code
Ref.
Uncracked Cracked
IBC,
FL,
LA
6
3110 3265 2175 2285
1155 2465 810 1725
Ref.
No.
Ref.
No.
Code
Ref.
Uncracked Cracked
Wind and ASCE Seismic Design A & B
ASCE Seismic Design C-F
MiTek
Stock No. Ga.
Dimensions (in)
Concrete
Stemwall
Minimum
Thickness (in)
Fastener
Schedule
1
DF/SP Allowable Tension Loads (Lbs.)
5
12 15 16d
WH
I
E
D Nail 160%
6
8
6
8
1
)
Allowable loads have been increased 60% for wind or seismic loads; no further increase shall be
p
ermitted.
2
)
16d sinkers
(
0.148" dia. x 3-1/4" lon
g)
or 10d common
(
0.148" dia. x 3" lon
g)
nails ma
y
be substituted
for the s
p
ecified 16d common nails
p
rovided the listed alowable loads are reduced 15%.
3
)
Minimum
q
uantit
y
of fasteners to be installed. Product ma
y
have additional nail holes not needed to
meet
p
ublished allowable load of
p
roduct.
4
)
NAILS: 16d nails are 0.162" dia. x 3-1/2" lon
g
.
14 6-1/4 HPAHD22-2P
10 2-1/16
Dimensions (in)
Stemwall
Width
Fastener
Schedule
2,5
Code
Ref.
DF/SP
Allowable Tension
Loads (Lbs.)
1
8" min from corner
MiTek USP
Stock No.
Steel
Gauge
Min
Qty
4
MIDWALL INSTALLATION - 2,500 psi Concret
e
--
26-1/4 14
16d
16d
4095
1/2" min from corne
r
6-1/4 HPAHD22-2P 24
CORNER INSTALLATION - 2,500 psi Concret
e
2410 2-1/16
5170
26-1/4
1) Allowable loads have been increased 60% for
wind or seismic loads; no further increase shall
be permitted.
2) 16d sinkers (0.148" dia. x 3-1/4" long) or 10d common
(0.148" dia. x 3" long) nails may be substituted for
the specied 16d common nails provided the listed
allowable loads are reduced 15%.
3) Minimum quantity of fasteners to be installed.
Product may have additional nail holes not needed
to meet published allowable load of product.
4) NAILS: 16d nails are 0.162" dia. x 3-1/2" long.
Stemwall
width
Install (1)
#4 rebar
in shear cone
Embedment
line
H
W
D
I
E
Edge
distance
1/2" min
from corner
Install (1) #4 rebar
in shear cone
HPAHD22 / PAHD42 Load Table
HPAHD22-2P Load Table