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RE: Use of Collar Ties in Light Frame Wo

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That must be a **terrific** house, or your client's wife "fell in love" with 
the house and is going to buy it, regardless.

If the house and garage were built at the same time, I would suspect that the 
same degree of care was used in the construction of the house.

I think that you will find that nailing is not going to be adequate for 
collar ties and that bolting is going to have some edge and end distance 

Since wood under load creeps, the roof has probably taken a permanent set and 
it will be impossible to jack it back up to near its original position.

A. Roger Turk, P.E.(Structural)
Tucson, Arizona

P.S.  Could "Rafter Ties," as used in the UBC conventional construction 
provisions (2320.12.6) be the same as "Collar Ties?"

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