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Exceptions: <br /> 1. Two or more dwelling units in a basement may have access to only one <br /> exit where the total occupant load served by that exit does not exceed 10. <br /> 2. Except as provided in Table 1014.1, access to only one exit need be <br /> provided from a basement within an individual dwelling unit. <br /> 3. Basements used exclusively for the service of the building may have <br /> access to only one exit. For the purposes of this exception, storage rooms, <br /> laundry rooms, maintenance offices and similar uses shall not be <br /> considered as providing service to the building. <br /> Section 9: AMENDMENTS TO THE IFC CHAPTER 14, FIRE SAFETY DURING <br /> CONSTRUCTION AND DEMOLITION. <br /> A. Subsection 1412.1of the IFC, entitled "When required," is hereby deleted and the <br /> following inserted in its place: <br /> 1412.1 When required. An approved water supply for fire protection shall be <br /> made available as soon as combustible material arrives on the site. <br /> Section 10: AMENDMENTS TO THE IFC CHAPTER 27, HAZARDOUS MATERIALS— <br /> GENERAL PROVISIONS. <br /> A. Subsection 2704.3.1of the IFC, entitled"System requirements," is hereby deleted and the <br /> following inserted in its place: <br /> 2704.3.1 System requirements. Exhaust ventilation systems shall comply with <br /> all of the following: <br /> 1. Installation shall be in accordance with the International Mechanical <br /> Code. <br /> 2. Mechanical ventilation shall be at a rate of not less than 1 cubic foot per <br /> minute per square foot <br /> [0.00508 m3/(s • m2)] of floor area over the storage area. <br /> 3. Systems shall operate continuously unless alternative designs are <br /> approved. <br /> 4. A manual shutoff control shall be provided outside of the room in a <br /> position adjacent to the access door to the room or in another location, if <br /> approved by the fire code official. The switch shall be of the break-glass <br /> type and shall be labeled: VENTILATION SYSTEM EMERGENCY <br /> SHUTOFF: EMERGENCY USE ONLY. <br /> 5. Exhaust ventilation shall be.designed to consider the density of the <br /> potential fumes or vapors released. For fumes or vapors that are heavier <br /> than air, exhaust shall be taken from a point within 12 inches (305 mm) of <br /> the floor. <br /> 6. The location of both the exhaust and inlet air openings shall be designed to <br /> provide air movement across all portions of the floor or room to prevent <br /> the accumulation of vapors. <br /> 7. Exhaust ventilation shall not be recirculated within the room or building if <br /> the materials stored are capable of emitting hazardous vapors. <br /> 0 <br /> 12 <br />