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2. Residential sprinklers in accordance with the requirements of 8.4.5 <br />3. Quick response CMSA sprinklers <br />4. ESFR sprinklers <br />5. Standard -response sprinklers used for modifications or additions to <br />existing light hazard systems equipped with standard -response <br />sprinklers <br />6. Standard -response sprinklers used where individual standard -response <br />sprinklers are replaced in existing light hazard systems <br />(3) Section 8.15.1.2.7 is hereby added and revised as follows: <br />8.15.1.2.7 Concealed spaces filled with noncombustible insulation shall not require <br />sprinkler protection when approved by the fire code official. <br />(4) Section 11.1.1.1 is hereby added as follows: <br />11.1.1.1 When fire sprinkler systems are required in buildings of undetermined <br />use other than warehouses, they shall be designed and installed to have a fire <br />sprinkler density of not less than that required for an Ordinary Hazard Group 2 <br />use, with no reduction(s) in density or design area. Warehouse fire sprinkler <br />systems shall be designed to Figure 16.2.1.3.2 (d) curve "G". Use is considered <br />undetermined if a specific tenant/occupant is not identified at the time the <br />sprinkler plan is submitted. Where a subsequent occupancy requires a system <br />with greater capability, it shall be the responsibility of the occupant to upgrade <br />the system to the required density for the new occupancy. <br />(5) Section 11.2.3.1.1.1 is hereby added as follows: <br />11.2.3.1.1.1 The available water supply for fire sprinkler system design shall be <br />determined by one of the following methods, as approved by the Fire Code <br />Official: <br />1) Subtract the project site elevation from the low water level for the <br />appropriate pressure zone and multiply the result by 0.433; <br />2) Use a maximum of 40 psi, if available; <br />3) Utilize the Orange County Fire Authority water -flow test form/directions <br />to document a flow test conducted by the local water agency or an <br />approved third party licensed in the State of California. <br />NFPA 13D 2016 Edition, Standard for the Installation of Sprinkler Systems in <br />One- and Two -Family Dwellings and Manufactured Homes is <br />hereby amended as follows: <br />Section 7.1.2 is hereby revised as follows: <br />Ordinance No. NS-XXXX <br />Page 24 of 29 <br />11 B-24 <br />