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SECTION 21: Section 14-30 is hereby amended to read as follows: <br />Sec. 14-30. - Fire protection and Life Safety Systems (Chapter 9). <br />Chapter 9 Fire protection and Life Safety Systems is adopted in its entirety with the <br />following amendments: <br />(a) Section 903.2 Where required is hereby amended as follows: <br />903.2 Where required. Approved automatic sprinkler systems in buildings and <br />structures shall be provided when one of the following conditions exists: <br />1. New buildings: Notwithstanding any applicable provisions of Sections <br />903.2.1 through 903.2.19, an automatic fire -extinguishing system shall also <br />be installed in all occupancies when the total building area exceeds 5,000 <br />square feet (465 m2) as defined in Section 202, regardless of fire areas or <br />allowable area, or is more than two stories in height. <br />Exception: Subject to approval by the Fire Code Official, open parking <br />garages in accordance with Section 406.5 of the California Building Code. <br />2. Existing Buildings: Notwithstanding any applicable provisions of this code, <br />an automatic sprinkler system shall be provided in an existing building when <br />an addition occurs and one of the following conditions exists: <br />a. When an addition is 33% or more of the existing building area, and the <br />resulting building area exceeds 5000 square feet (465 m2) as defined in <br />Section 202; or <br />b. When an addition exceeds 2000 square feet (186 m2) and the resulting <br />building area exceeds 5000 square feet (465 m2) as defined in Section <br />202; or <br />c. An additional story is added above the second floor regardless of fire <br />areas or allowable area. <br />Exception: Group R-3 occupancies shall comply with Section 903.2.8. <br />(b) Section 903.3.5.3 Hydraulically calculated systems is hereby added as follows: <br />903.3.5.3 Hydraulically calculated systems. The design of hydraulically <br />calculated fire sprinkler systems shall not exceed 90% of the water supply capacity <br />Exception: When static pressure exceeds 100 psi, and required by the Fire Code <br />Official, the fire sprinkler system shall not exceed water supply capacity specified by <br />Table 903.3.5.3 <br />Ordinance No. NS-XXXX <br />Page 22 of 36 <br />