kmart30
Structural
- Apr 28, 2016
- 183
I have a 3 story deck attached to the back of a home with ledger boards. Deck is about 10' wide by 40' long (same width of home); Vult is 135mph in Exposure D. Roof trusses from the main home extend over the top floor deck. The prescriptive deck construction guide from the AWC treats lateral loads with 2x4 bracing at the corner posts and no bracing at the interior supports. The guide also gives a few options for foundation attachments (pinned or fixed). Obviously my situation is outside typical prescriptive construction but I know a lot of these specs are standard in practice. Uplift is probably more of a concern in this situation but any guidance on similar projects and how you tackled them would be much appreciated.
