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• <br /> Alternate Materials and/or Methods Application J <br /> Page 2 of 2 <br /> CODE EQUIVALENCY AND INTENT: <br /> We believe that by providing the additional fire sprinkler coverage any deficiency <br /> in firewall rating will be more than compensated for. <br /> The alternate for the north wall is only for building structure elements which will <br /> be fully protected by the additional fire sprinklers. The wall itself provides the full <br /> required fire rating, thus protecting the existing buildings to the north which <br /> actually have a reduced requirement. <br /> The alternate at the east proposes additional fire sprinkler coverage on both <br /> faces of the wall due to wall rating being 2-hour versus required 3-hour. This fire <br /> sprinkler coverage is more than adequate to make up for the deficiency. In <br /> addition, the additional sprinklers at two levels will provide protection for the <br /> PEMB columns. <br /> We would point out that if the "B" occupancy was the primary occupancy <br /> adjacent to the firewalls that that a 2-hour rating would code conforming even <br /> though no separation is required between B and F-1 occupancies. <br /> V <br /> J <br />