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RE: IRC - Min. Anchor Bolt Spacing

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You might look at the 2007 Florida Residential Code. It is free online. The 2006 IRC is the base code and deviations from the base document are indicated by margin bars.

I doubt the spec you are looking for has been changed.


Christopher Banbury, PE



Ark Engineering, Inc.

PO Box 10129, Brooksville, FL 34603

22 North Broad ST, Brooksville, FL 34601

Phone: (352) 754-2424

Fax: (352) 754-2412



From: David Maynard [mailto:d_maynard(--nospam--at)]
Sent: Tuesday, July 01, 2008 11:16 AM
To: seaint(--nospam--at)
Subject: IRC - Min. Anchor Bolt Spacing


I’m still waiting for my IRC to come in the mail.  Hopefully someone here can help.


Could someone tell me what the minimum anchor bolt size and spacing is for a one-story residence?


The IBC minimum is ½” diam. Anchor at 6’-0”.  Is this the same in the IRC?


Thanks for the input.



David Maynard, PE

Wester-Wetstein & Associates, Inc.

201 Lakeway Rd. Suite 1000

Gillette, WY 82718

Phone: (307)686-1125

Fax: (307)686-1158