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