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11/25/2019 903.2. - Where required. Approved automatic sprinkler systems in new buildings and structures shall be provided in the locations described in sections 903.2.1 through 903.2.13. Sec. 12.18. - SECTION 903.2.13 ADDED: Section 903.2.13 is hereby added to the Fire Code to read as follows: 903.2.13. - Automatic Sprinkler Systems. In addition to the requirements for Automatic Sprinkler systems in this Code or the provisions of any other Code of the City, approved automatic sprinkler systems shall also be installed in the following buildings or structures: A. New Buildings: All new buildings or structures with the exception of one and two family residential dwellings, with a total floor area of three thousand (3,000) square feet or more. One and two family residential dwellings shall be protected throughout by an automatic fire sprinkler system in accordance with Section 903.3.1.3 of the California Fire Code regardless of the square footage, and shall also be installed in accordance with the Redwood City Building Code for such occupancies. Accessory Dwelling Units (ADUs) are required to have an automatic fire sprinkler system installed in accordance with Section 903.3.1.3 of the California Fire Code if it is attached to a structure that has fire sprinklers installed or is required to have fire sprinklers installed due to mitigation for non- compliance with other sections of this code. B. Existing Buildings: 1. Group R -3 occupancy dwellings and structures which add one thousand (1,000) square feet or more floor area, or are demolished to the foundation or structural framework or made otherwise uninhabitable. 2. All other buildings or structures which add floor area so that the floor area of the existing building plus the floor area of the addition is three thousand (3,000) square feet or more. C. Change in Occupancy: When there is a change in occupancy group or use from a less hazardous to a more hazardous occupancy group or use. D. Limited area sprinkler systems: Existing Group R -2 occupancies, (apartment buildings) that have ground level, open parking garages, located below apartment units, and have direct access to a public way, will be required to install such a system as per section 903.3.8, when a permit for the installation of a new roof (re- roof), has been issued by the City of Redwood City. Limited area sprinkler systems are exempt from fire department fees and are permitted to be supplied off of the buildings domestic water system only if the system can satisfy the requirements of Sections 903.3.8.1 through 903.3.8.5 of the California Fire Code. ATTY /ORD.501 /CC ORDINANCE FIRE CODE ADOPTION 2019 ORDINANCE NO. 2469 REV: 11 -19 -19 RL MUFF NO. 305 Page 7 of 12