Joe_Carrick Posted February 5, 2022 Share Posted February 5, 2022 The IRC R602.11.1 requires 3"x3"x1/4" square washers in addition to the standard washers for anchor bolts with "Braced Wall Lines" in Seismic zones "D" This seems to be a new requirement in the 2019 IRC. Actually, I'm using the CRC (California Version of the IRC). Has anyone found an exception to this code requirement? Link to comment Share on other sites More sharing options...
DRAWZILLA Posted February 6, 2022 Share Posted February 6, 2022 That one has been around for a while now and I have changed my details way back. I don't know of any exceptions. Link to comment Share on other sites More sharing options...
Joe_Carrick Posted February 6, 2022 Author Share Posted February 6, 2022 7 minutes ago, DRAWZILLA said: That one has been around for a while now and I have changed my details way back. I don't know of any exceptions. Thanks Perry. I'm pretty sure it could be circumvented by structural calcs - but not worth the time. Do you know of any sources for such square washers? I haven't been able to find them in HD or Lowes. Link to comment Share on other sites More sharing options...
DRAWZILLA Posted February 6, 2022 Share Posted February 6, 2022 20 minutes ago, Joe_Carrick said: Thanks Perry. I'm pretty sure it could be circumvented by structural calcs - but not worth the time. Do you know of any sources for such square washers? I haven't been able to find them in HD or Lowes. i know my guys get them from a lumber company and order with windows and doors Link to comment Share on other sites More sharing options...
Bob-Roraback Posted February 6, 2022 Share Posted February 6, 2022 Simpson strong tie has them Joe Link to comment Share on other sites More sharing options...
Bob-Roraback Posted February 6, 2022 Share Posted February 6, 2022 Part number BP Link to comment Share on other sites More sharing options...
Joe_Carrick Posted February 6, 2022 Author Share Posted February 6, 2022 Thanks Bob. I'll add that to my boiler plate for Braced Wall Lines. Link to comment Share on other sites More sharing options...
Rich_Winsor Posted February 8, 2022 Share Posted February 8, 2022 On 2/6/2022 at 7:59 AM, Joe_Carrick said: Do you know of any sources for such square washers? I haven't been able to find them in HD or Lowes. HD has them. Link to comment Share on other sites More sharing options...
Bob-Roraback Posted February 9, 2022 Share Posted February 9, 2022 Hi Rich, Fasteners plus is where I have purchased Simpson products. When you do so online they are shipped from the closest Simpson warehouse. Luckily for me in many cases I receive the products the next day. There is a warehouse in Enfield CT, Bob Link to comment Share on other sites More sharing options...
Ed_Orum Posted February 15, 2022 Share Posted February 15, 2022 On 2/5/2022 at 1:55 PM, Joe_Carrick said: The IRC R602.11.1 requires 3"x3"x1/4" square washers in addition to the standard washers for anchor bolts with "Braced Wall Lines" in Seismic zones "D" This seems to be a new requirement in the 2019 IRC. Actually, I'm using the CRC (California Version of the IRC). Has anyone found an exception to this code requirement? Check into "Simplified Wall Bracing" in the 2020 Code. Link to comment Share on other sites More sharing options...
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