05/23/12 Georgia Amendments- Prescriptive Deck Details Sheet 8 of 22
beam must bear
on 6x6 notch
2-ply beams
only
(2)
1
2
" diameter
through-bolts
with washers
notch post to
provide beam
with flush and
tight bearing
6x6 post
OPTION 1 OPTION 2
post cap; attachment,
fasteners per manu-
facturer's instructions
3-ply beams must
use post cap
option
6x6 post
FIGURE 11: POST-TO-BEAM CONNECTION OPTIONS
FOOTINGS
Footings shall be constructed in accordance with the requirements below.
• Concrete shall be air-entrained and have a minimum compressive strength of 3,000 PSI.
• Footing size and thickness shall be in accordance with TABLE 3.
• See FIGURE 12 for post attachment options and requirements.
• Post anchors shall be galvanized per the requirements noted on Sheet 3.
• Footings shall bear on solid ground; bearing conditions must be verified by county inspectors prior
to placement of concrete.
• Bottom of footing should be at least 12 inches below grade.
• Deck footings closer than 5'-0" to an existing exterior house wall must bear at the same
elevation as the existing house footings.
• Do not construct footings over utility lines or service pipe. Call 811 before you dig.
TABLE 3: FOOTING SIZE
Beam Span Joist Span
1
≤ 10' 15" 17" 6"
≤ 8' >10' - 14' 18" 20" 8"
>14' - 18' 21" 23" 9"
≤ 10' 19" 21" 8"
> 8' - 12' >10' - 14' 22" 24" 10"
>14' - 18' 26" 28" 11"
≤ 10' 23" 25" 10"
>10' - 14' 28" 30" 12"
1
The cast-in-place post base may require a footing thickness greater than the value in the table
above. In such cases, the manufacturer's specified minimum footing thickness shall govern.
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