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ABA/ABE/ABU/PBS/CBS STANDOFF POST BASES
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Provides tested capacity. Features 1" standoff height above
concrete floors, code-required when supporting permanent structures that are exposed to
the weather or water splash, or in basements. Reduces the potential for decay at post and
column ends.
One-piece ABA provides uplift capacity, with no pieces to lose on
the jobsite. For new or retrofit construction.
ABE and ABU's base design includes anchor bolt adjustment slot.
Four-sided standoff plate increases download support and provides attractive appearance. New
size ABU for 8x8.
MATERIAL: See table.
FINISH: Galvanized. Some products available in
Z-MAX; see Corrosion-Resistance, page 6.
INSTALLATION:
- Use all specified fasteners.See General Notes.
- Not recommended for non-top-supported installations such as fences.
- CBS and PBS embed into wet concrete up to the bottom of the 1"
standoff base plate. A 3" minimum side cover is required to obtain the full load for
CBS; 2" for PBS. Holes in the bottom of the PBS and CBS straps allow for free
concrete flow.
- ABA, ABE and ABU -- for pre-pour installed anchors, embed 4"
into concrete. For epoxy or wedge anchors, select and install according to anchor
manufacturer's recommendations; anchor diameter shown in table.Install required washer --
not included for ABAs.
- See Anchoring Systems, pages
22 and 23, for tested, load-rated epoxies.
CODES: BOCA, ICBO, SBCCI NER-422, NER-432, NER-469;
City of L.A. RR 25064, 25074, 25158; DadeCo. FL. 93-1016.1.
Typical ABE46R Installation for rough lumber (ABE similar)
ABU88 (available in rough size ABU88R)
| Model No. |
Nominal Post Size |
Material |
Dimensions |
Fasteners |
Uplift Avg Ult |
| Base (Ga) |
Strap (Ga) |
W1 |
W2 |
D |
L |
HB |
Anch. Dia |
Post |
| Nails |
Bolts |
| Qty |
Dia |
| ABA44 |
4X4 |
16 |
16 |
3-9/16 |
3-1/2 |
-- |
3-1/8 |
-- |
1/2 |
6-10d |
-- |
-- |
2120 |
| ABE44 |
4x4 |
16 |
16 |
3-9/16 |
3-1/2 |
-- |
3-1/2 |
-- |
1/2 |
6-10d |
-- |
-- |
1893 |
| ABU44 |
4X4 |
16 |
12 |
3-9/16 |
3-1/2 |
3-1/2 |
3 |
1-3/4 |
5/8 |
12-16d |
2 |
1/2 |
7833 |
| PBS44A |
4x4 |
12 |
14 |
3-9/16 |
3-1/2 |
3-1/2 |
2-1/4 |
3-7/16 |
-- |
14-16d |
2 |
1/2 |
7733 |
| CBS44 |
4x4 |
12 |
10 |
3-9/16 |
3-1/2 |
7-1/8 |
2-1/4 |
4-5/16 |
-- |
-- |
2 |
5/8 |
16667 |
| ABA44R |
RGH 4x4 |
16 |
16 |
4-1/16 |
3-5/8 |
-- |
3-1/8 |
-- |
1/2 |
6-10d |
-- |
-- |
2120 |
| ABE44R |
RGH 4x4 |
16 |
16 |
4 |
3-1/2 |
-- |
3-1/2 |
-- |
1/2 |
6-10d |
-- |
-- |
1893 |
| ABE46 |
4x6 |
12 |
16 |
3-9/16 |
5-3/8 |
-- |
5-7/16 |
-- |
5/8 |
8-16d |
-- |
-- |
5167 |
| PBS46 |
4x6 |
12 |
14 |
3-9/16 |
5-7/16 |
3-1/2 |
2-1/4 |
3-3/8 |
-- |
14-16d |
2 |
1/2 |
7733 |
| ABA46 |
4x6 |
14 |
14 |
3-9/16 |
5-7/16 |
-- |
5-3/16 |
-- |
5/8 |
8-16d |
-- |
-- |
2967 |
| CBS46 |
4x6 |
12 |
10 |
3-9/16 |
5-7/16 |
7-1/8 |
3 |
4-1/2 |
-- |
-- |
2 |
5/8 |
16667 |
| ABU46 |
4x6 |
12 |
12 |
3-9/16 |
5-3/8 |
-- |
5 |
2-5/8 |
5/8 |
12-16d |
2 |
1/2 |
8633 |
| ABE46R |
RGH 4x6 |
12 |
16 |
4-1/16 |
5-3/8 |
-- |
5-7/16 |
-- |
5/8 |
8-16d |
-- |
-- |
5167 |
| ABA46R |
RGH 4x6 |
14 |
14 |
4-1/16 |
5-7/16 |
-- |
5-3/16 |
-- |
5/8 |
8-16d |
-- |
-- |
2967 |
| PBS66 |
6x6 |
12 |
12 |
5-1/2 |
5-3/8 |
5 |
2-1/4 |
3-11/16 |
-- |
14-16d |
2 |
1/2 |
13100 |
| ABA66 |
6x6 |
14 |
14 |
5-1/2 |
5-7/16 |
-- |
5-1/4 |
-- |
5/8 |
8-16d |
-- |
-- |
3050 |
| CBS66 |
6x6 |
12 |
10 |
5-1/2 |
5-7/16, |
6-7/8 |
3 |
4-1/2 |
-- |
-- |
2 |
5/8 |
24000 |
| ABE66 |
6x6 |
12 |
14 |
5-1/2 |
5-1/2 |
-- |
5-7/16 |
-- |
5/8 |
8-16d |
-- |
-- |
4833 |
| ABU66 |
6x6 |
12 |
10 |
5-1/2 |
5-3/8 |
-- |
5 |
1-3/4 |
5/8 |
12-16d |
2 |
1/2 |
8900 |
| ABA66R |
RGH 6x6 |
14 |
14 |
6 |
5-7/16 |
-- |
5-3/16 |
-- |
5/8 |
8-16d |
-- |
-- |
3050 |
| ABE66R |
RGH 6x6 |
12 |
14 |
6-1/16 |
5-1/2 |
-- |
5-7/16 |
-- |
5/8 |
8-16d |
-- |
-- |
4833 |
 ABU885 |
8x8 |
12 |
14 |
7-1/2 |
7 |
-- |
7 |
-- |
2-5/8 |
18-16d |
-- |
-- |
12893 |
Allowable Loads |
| Uplift (133) |
Uplift (160) |
F1 (133 & 160) |
F2 (133 & 160) |
Down (100) |
| Nails |
Bolts |
Nails |
Bolts |
Nails |
Bolts |
Nails |
Bolts |
| 555 |
-- |
555 |
--- |
-- |
-- |
-- |
-- |
6000 |
| 520 |
-- |
520 |
-- |
-- |
-- |
-- |
-- |
6665 |
| 2200 |
1800 |
2200 |
2160 |
-- |
-- |
-- |
-- |
6665 |
| 2400 |
2400 |
2400 |
2400 |
1165 |
230 |
885 |
885 |
6665 |
| -- |
5335 |
-- |
5335 |
-- |
-- |
-- |
-- |
9665 |
| 555 |
-- |
555 |
-- |
-- |
-- |
-- |
-- |
8000 |
| 400 |
-- |
400 |
-- |
-- |
-- |
-- |
-- |
6665 |
| 810 |
-- |
810 |
-- |
-- |
-- |
-- |
-- |
7335
|
| 2400 |
2400 |
2400 |
2400 |
1165 |
360 |
885 |
885 |
9335 |
| 935 |
-- |
935 |
-- |
-- |
-- |
-- |
-- |
9435 |
| --
|
5335
|
--
|
5335
|
--
|
-- |
-- |
-- |
10000
|
| 2255
|
2300
|
2300
|
2300
|
--
|
--
|
-- |
-- |
10335
|
| 810 |
-- |
810 |
-- |
-- |
-- |
-- |
-- |
7335 |
| 935 |
-- |
935 |
-- |
-- |
-- |
-- |
-- |
12000 |
| 2630 |
3560 |
3160 |
4000 |
1865 |
570 |
1700 |
1700 |
9335 |
| 985 |
-- |
985 |
-- |
-- |
-- |
-- |
-- |
10665 |
| -- |
5560 |
-- |
6675 |
-- |
-- |
-- |
-- |
13000 |
| 900 |
-- |
900 |
-- |
-- |
-- |
-- |
-- |
15000 |
| 2300 |
2300 |
2300 |
2300 |
-- |
-- |
-- |
-- |
15000 |
| 985 |
-- |
985 |
-- |
-- |
-- |
-- |
-- |
12665 |
| 900 |
-- |
900 |
-- |
-- |
-- |
-- |
-- |
15000 |
| 2320 |
-- |
2320 |
-- |
-- |
-- |
-- |
-- |
24335 |
- Uplift and lateral loads have been increased 33% and 60% for
earthquake or wind loading; no further increase allowed. Reduce by 33% and 60% for normal
loading.
- Downloads may not be increased for short-term loading.
- For higher downloads, solidly pack grout under 1" standoff plate
before installing CBS into concrete. Base download on post or concrete, according to the
code.
- Specifier to design concrete for shear capacity.
- ABU88 may be installed with 8-SDS1/4X3 wood screws for the same table
load.
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