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ORDINANCE NS - 1163 (h) Smoke Control. Natural or mechanical ventilation for the removal of the products of combustion shall be provided in every story and shall consist of one or more of the following: 1. Panels or windows in the exterior wall which can be opened from an approved location other than the fire floor. Such venting facilities shall be provided at the rate of at least 20 square feet per 50 lineal feet of exterior wall in each story, and distributed around the perimeter at not more than 50-foot intervals. Such panels shall be clearly identified as required by the Fire Department. 2. Approved tempered glass may be used in lieu of openable panels. 3. When fire sprinklers are installed in compliance with Subsection (m), the mechanical air handling equipment may be designed to assist smoke removal. Under fire conditions, the return and exhaust air shall be taken directly to the outside without recirculation to other sections of the building. 4. A shaft through which smoke and heat can be mechanically vented to the outdoors. The size of the shaft shall be uni- form throughout and of such dimensions as to provide not less than 60 air changes per hour in the largest compartment served anywhere in the building. Openings into the shaft shall be protected with an automatic single piece shutter located as high in the room as possible and designed to vent the entire compartment. 5. Any other design which will produce equivalent results. (i) Elevators. There shall be provided at least one elevator in each bank available for Fire Department access to any floor. The elevator shall open into a lobby, which may serve other elevators, and shall be separated from the remainder of the building by construction as required for corridors. The elevator may be located within a smokeproof enclosure. See Chapter 51 for additional requirements. (j) Standby Power and Light. A permanently installed standby power generation system conforming to U.B.C. Stan- dard No. 18-1 shall be provided. The system shall be equipped with suitable means for automatically starting the generator set upon failure of the normal electrical service and for automatic transfer and operation of all the required electrical functions at full power within 60 seconds of such normal service failure. System supervision with manual start and transfer features, shall be provided at the Central Control Station. An on-premise fuel supply sufficient for not less than two hours full demand operation of the system shall be pro- vided. All power, lighting, signal, and communication facilities provided under the requirements of this Section shall be transferable to the standby power system. -3-