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Sprinkler system risers providing protection for buildings with multiple tenant spaces must be located in a ground floor room directly accessible from the exterior. The door must be labeled as the riser room. Buildings with single tenants may access the riser location from the interior of the building. Section 903.4, Sprinkler systems monitoring and alarms, shall be amended to add a second paragraph after the Exceptions, to read as follows: Sprinkler and standpipe system water-flow detectors shall be provided for each floor tap to the sprinkler system and shall cause an alarm upon detection of water flow for more than 45 seconds. All control valves in the sprinkler and standpipe systems, except for fire department hose connection valves, shall be electrically supervised to initiate a supervisory signal at the central station upon tampering. Section 903.4.2, Alarms, shall be amended to add a second paragraph to read as follows: The alarm device required on the exterior of the building shall be a weatherproof horn-strobe notification appliance with a minimum 75 candela strobe rating, installed as close as practicable to the fire department connection. Section 903.6.2, Spray booths and rooms, shall be added to read as follows: Spray booths and spray rooms installed, constructed, or remodeled after the adoption of this code shall be protected by an approved automatic fire-extinguishing system in accordance with Section 1504. Section 905.2, Installation standard, shall be amended to read as follows: Standpipe systems shall be installed in accordance with this section and NFPA 14. Manual dry standpipe systems shall be supervised with a minimum of 10 psig and a maximum of 40 psig air pressure with a high/low alarm. 23 A 'I;QV075