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14047 Azurite St NW Buildings 2 and 2 December 22, 2025 <br /> <br />9 | Page <br /> <br />Exception 1: If projection is without concealed spaces, fire wall may stop at the exterior wall if <br />the exterior wall and projection on each side of the fire wall is 1-hour fire-resistive for the depth <br />of the projection on each side of the fire wall. <br />Exception 2: If projection has concealed space and is noncombustible, fire wall may stop at the <br />exterior wall if the projection has a one hour wall in the concealed space and the exterior wall <br />and projection is 1-hour fire-resistive for the depth of the projection on each side of the fire wall. <br />Exception 3: If projection has concealed space and is combustible, fire wall may stop at the <br />exterior wall if the fire wall extends through the projection in the concealed space and the <br />exterior wall and projection is 1-hour fire-resistive for the depth of the projection on each side of <br />the fire wall. <br /> <br />If the fire wall intersects an exterior wall at less than 180 degrees, the fire-resistance rating for <br />the exterior walls on both sides of the fire wall shall have a 1-hour fire-resistance rating with 3/4 <br />hour opening protection. The fire-resistance rating of the exterior wall shall extend a minimum <br />of 4 feet on each side of the intersection. (706.5.1) <br /> <br />Fire walls shall be designed and constructed to allow collapse of the structure on either side <br />without collapse of the wall under fire conditions. (706.2) <br /> <br />SMOKE AND HEAT REMOVAL: <br />Areas containing high piled combustible storage require smoke and heat removal when required <br />by Table 3206.2 of the IFC. Design to comply with Section 910.3. <br /> <br />ROOFING REQUIREMENTS: <br />1. The roofing on this building is required to be Class C or better. (Table 1505.1) <br />ROOF DRAINAGE: <br />Where the exterior wall construction extends above the roof in such a manner that water will be <br />entrapped if the primary drains allow build up for any reason, secondary (emergency overflow) <br />roof drains or scuppers shall be provided. (1502.2) <br />1. Secondary drains or scuppers shall be located and sized to prevent the weight ponding water <br />from exceeding the design load of the roof. <br />2. See section 1611.1 for design load requirements. <br />3. Scuppers shall not have an opening dimension of less than 4 inches. (1502.3 <br />4. See sections 1106 and 1108 of the Plumbing code for design requirements. <br /> <br />DRAFTSTOPPING: <br />If there is combustible construction in the roof/ceiling assembly, draftstopping shall be installed <br />so that the area of concealed space does not exceed 3,000 square feet. (718.4) <br />See Section 718.3.1 for approved materials. <br />See Section 708.4 for construction requirements. <br />Opening in the partitions shall be protected by self-closing doors with automatic latches <br />constructed as required for the partitions. (718.4.1.1) <br /> <br /> <br />AUTOMATIC SPRINKLER SYSTEMS: