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Fwd: Re: [Fwd: Tilt-up roof ledgers]

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There is nothing wrong with using the wood ledgers unless your vertical load
is very big and the bolt spacing (due to perpendicular to grain loading)
would get very small.

In general, it is a good idea to use the latest L.A. City requirements which
limits the spacing of the continuity ties (across the diaphragm in both
directions, even though I disagree with the full lenght longitudinal tie
requirement) and wall anchorages to the diaphragm. Using approved HD's (or
eauivalent) on both sides (symmetric) is an other L.A. City requirement in
addition to the 300lbs/ft. Also, don't forget the foot note which requires to
increase the anchorage load by 50% for the middle half of a flexible
diaphragm to concrete or masonry walls.

Did I forget something?

Antonio S. "Tony" Luisoni
Consulting SE

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Richard Lewis, P.E.
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