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cracking

  1. indyarchyguy

    3 Hour Firewall Cracking

    A project that was constructed approximately 18 months ago in Indiana (2012 IBC with 2014 amendments). A warehouse has 3-hour firewalls that sit on top of a concrete curb of approximately 12-inch height from the top of the floor. The walls have started cracking in three different locations (see...
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