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� <br />June 26, 2000 <br />Plan Review Notes. <br />Project: Everett Aquasox Bleachers <br />Address: 3721 Oakes <br />Permit: B0005-021 <br />C <br />Description: ConsWct two non�ombustible exte�ior bleacher assemblies each having <br />an occupant load of 657. <br />The following issues arose during plan review. <br />Crosa-aisle width. Section 1008.5.5 states that the minimum width for a cross-sisle shall <br />be 54". It fwt6er states that a lerger width may be calculated based on Section 1004.3.2. <br />Section 1004.3.2 dces not address how to calculste cross-aisles. Based on the ambiguity <br />of the secdon, and assurance from the manufactnrer (nation-wide sales) that the 54" wide <br />cross-aisle is an industry standard, the 54" width was acceptod for this project. <br />Number of e=ib. Section 1008 docs not specify the number of exits required, but states <br />that each cross-aisle shall lead to an exit, or exterior perimeter ramp. Within a building, <br />the room serving the bleachers would be cequired to have three exits (with an occupent <br />load gmater than 500). Section 1008 is not specific as to whether Secrion 1004.2.3.4 <br />applies to exterior bleachers. Further, Section 1008.7.4 staus that travel distance may be <br />unlimited if the seating is outside, and non-combustibk (type II). A This allowance <br />makes a third exit superfluous as not travel distance is required. Fot the bleachers, the <br />widths of the exit stairs and iamp were then based on the occupant load (657) and sized <br />per Table 10-B. <br />