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11/16/2015 44. An automatic fire sprinkler system� shall be installed in all new buildings and structures with a total floor area of three thousand (3,000) square feet or more. (Redwood City Ordinance 2402) An automatic fire sprinkler system is required in the parking garage. 45. Required fire pumps shall be supplied by connections to no fewer than two (2) water mains located in different streets. Separate supply piping shall be provided between each connection to the water main and the pumps. Each connection shall be sized to supply the flow and pressure required to operate. (CBC and CFC 403.3.2) 46. Underground fire service mains and piping shall not run under buildings unless the following special precautions are taken. (NFPA 24 — 2013 Edition, Section 10.6) • Arching the foundation walls over the pipe • Running pipe in covered trenches • Providing valves to isolate sections of pipe under buildings 47. The building is considered a high-rise and shall comply with all applicable Building, Fire and Safety codes for high-rise construction. 48. An automatic secondary on-site water supply having a usable capacity of not less than the hydraulically calculated sprinkler demand, including the hose stream requirement, shall be provided for high-rise buildings. The secondary water supply shall have a duration of not less than 30 minutes as determined by the occupancy classification in accordance with NFPA 13. (CBC and CFC 903.3.5.2) The hydraulically calculated sprinkler demand shall be for an Ordinary Hazard Group 2 Occupancy with a density of 0.20 gpm over a 1500 square foot area of operation. Water storage for the fire pump shall be sized accordingly. 49. High-rise buildings shall have at least two (2) remotely located fire department connections for each zone. (NFPA 14 — 2013 Edition, Section 7.12.2) 50. Fire department connections must be located within an unhindered 50-foot hose lay from a fire hydrant. (Redwood City Engineering and Construction Standard W-13) 51. A minimum of three (3) fire hydrants shall be available at a distance of not more than 225 feet from the new building. (CFC Appendix C) 52. Firefighter's two-way wired communication system shall be installed in buildings six (6) stories in height. (Redwood City Ordinance 2402) � 53. A public address system for the exclusive use of Fire Department personnel, peace officers, or other City enforcement personnel shall be installed in buildings four (4) stories in height. (Redwood City Ordinance 2402) 54. A two-way communication system shall be provided at the elevator landing on each accessible floor that is one or more stories above or below the story of exit discharge. (IBC 1007.8) 55. The needed fire flow shall be not less than 2500 gallons per minute at the minimum residual pressure of 20 pounds per square inch for a duration of two hours. (CFC ATTY/RES0.3157/SA RESO 601 MARSHALL APPEAL 8-STORY PROJECT RESO.#15458 REV:11-16-15 VR MUFF#603 Page 14 of 23