G-2, H-4 - Ordinance 2021-484 - Amending the 2018 International Fire Code

adult familiar with the building must conduct the fire watch, and if a fire is discovered shall call 911 and immediately evacuate the building. Section 903.3.5.3 Add a new section to read as follows: Water supply safety margin: The fire sprinkler system hydraulically calculated demand per NFPA 13 or NFPA 13R including required hose stream allowances, and domestic water demand if required by section 903.3.5.2 must be a minimum 10%, but not less than 5 psi below the water supply flow test curve. The flow test must have been conducted within 90 days of fire sprinkler plan submittal to the city. The base of riser psi at the time of acceptance test shall also be 10% but not less than 5 psi above the most demanded hydraulically calculated pressure. Section 903.4.2 Delete the section and replace with: Alarms. An approved weatherproof horn/strobe device shall be mounted directly above the fire department connection between seven (7) and ten (10) feet in height above grade. The water-flow alarm device shall be activated by water flow equivalent to the flow of a single sprinkler of the smallest orifice size installed in the system. Approved and supervised audible visual notification appliances shall be installed throughout each level of the interior of the building as required by the fire code official and NFPA 72. Where a fire alarm system is installed, actuation of the automatic sprinkler system shall actuate the building fire alarm system. Section 903.5 Add the following to the end of the section: A valve meeting the requirements of an inspector’s test valve installed near a high point of the piping is required at the most remote location in each fire sprinkler system or tenant/floor control valve space for use at the acceptance test. After system approval one of the following methods shall be employed at each such location to allow for removal of air from the system after maintenance work but is not required to be used for annual or periodic testing: 1) Manual valve, minimum ½-inch (15mm) size 2) Automatic air vent 3) Remote inspector’s test valve 4) Other approved means Section 903.7 Add a new section to read as follows: Zones. Automatic sprinkler system zones shall not exceed the area permitted by NFPA 13 or NFPA 13R and shall provide a sprinkler control valve and water flow device for each normally occupied floor or normally occupied space in a multi-tenant building. Except by approval of the fire code official, all control valves shall be mounted in a readily accessible location in the sprinkler riser room or in the stairwell of a multi- story building provided with standpipes. Section 903.8 Add a new section to read as follows: Fire sprinkler for exterior projections. An exterior projection as outlined in NFPA 13 attached to a building shall be required to have fire sprinklers installed underneath for protection throughout if the exterior projection extends more than 4 feet from the building and is 12-feet or less in height from the ground regardless of whether the exterior projection is combustible or noncombustible. Canopies