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15-16-090  General requirements.
   (a)   Standard inside standpipe systems complying with the requirements of Article II of Chapter 15-16 shall be provided:
      (1)   High-rise Buildings. In all buildings exceeding 80 feet in height with the following exceptions:
         (A)   Standpipes shall not be required in grain elevators or similar storage structures where such standpipes are ineffective owing to the type of structure and inaccessibility of hose connections.
         (B)   This section shall not apply to a building used as a business unit or storage unit in existence prior to January 20, 1950, which is equipped throughout with an approved system of automatic sprinklers or is a fire-resistive building of Type IA, IB or IC construction; provided, that a standpipe system complying with Section 15-16-1190 is also provided in the building.
      (2)   Institutional Units. In institutional units, standpipes shall be provided in all buildings more than four stories or 55 feet in height.
      (3)   Stage Blocks. In stage blocks, standpipes shall be provided on each side of the stage, on each tier of dressing rooms and within 50 feet of all property rooms, storerooms or workrooms.
      (4)   Exhibition Areas. In exhibition areas, standpipes shall be provided regardless of the height of the building and standpipe locations shall provide complete coverage of the fire area with 100-foot hose lengths and 30-foot hose streams.
      (5)   New Buildings Greater Than 55 Feet. For buildings first permitted after February 1, 2019, that are greater than 55 feet and not more than 80 feet in height, a manual dry standpipe shall be provided in each enclosed stairwell.
   (b)   For the purpose of determining standpipe requirements, the height of a building shall be determined in accordance with the provisions of Section 13-48-020.
(Prior code § 64-8; Amend Coun. J. 1-23-19, p. 94952, Art. II, § 1)
15-16-100  Hazardous use units.
   A standard system of standpipes meeting the provisions of Article II of Chapter 15-16 of this Code shall be installed in every hazardous use unit which is more than 80 feet in height; provided, however, that such a standpipe system shall be installed in every cereal, feed, flour, grist or starch mill, malt house or similar building which is more than two stories in height.
(Prior code §  64-9)
PART 3.  FIRE ALARM SYSTEMS (15-16-110 et seq.)
15-16-110  General requirements.
   An approved fire alarm shall be provided as follows:
   (a)   A standard fire alarm meeting the requirements of this chapter and Article II of Chapter 15-16 shall be provided in the following occupancies:
      (1)   Institutional: Buildings two stories or less in height with a floor area which does not exceed 8,000 square feet shall be equipped with a Class I system. Buildings over two stories in height or with a floor area exceeding 8,000 square feet shall be equipped with a Class II system.
      (2)   Type II Schools: Buildings over one story in height shall be equipped with a Class I system.
      (3)   Type I or Type III Schools: Class I system.
      (4)   Hotels: Buildings of Types II, III or IV construction 80 feet or less in height shall be equipped with a Class I system except where 25 or fewer persons sleep above the second floor.
      (5)   Single-room occupancy building: New and existing single-room occupancy buildings two stories or more in height, which are not equipped with a complete automatic sprinkler system, shall be equipped with a Class I fire alarm. The approved standard Class I control equipment may cause microprocessor based program-controlled communication circuits when the control equipment is of a type tested and conforming to Underwriters Laboratories Standard 864-1991 for the intended use. The stored program (software) installed figuration for such systems shall be incapable of change, except that a manufacturer's authorized technician may make changes for proper system operation when such changes are approved by the fire commissioner. Any changes, repairs or maintenance on such systems shall be performed only by or under the direction of a licensed supervising electrician.
      (6)   Dormitories: Buildings two stories or more in height, except those where 25 or fewer persons sleep above the second floor, shall be equipped with a Class I system.
      (7)   Intermediate care facilities for the developmentally disabled – 15 or fewer persons, same as institutional uses.
   (b)   Hotels: Buildings of Type I construction over four stories but not over 80 feet in height shall be equipped with an approved fire alarm system including smoke detectors, heat detectors and waterflow alarm devices installed in accordance with NFPA 72-2013 and annunciated visually and audibly for each individual floor at a fire panel located near a main entrance to the building. A one-way voice communication system controlled from the fire panel location and meeting the requirements of Section 13-76-050(b) shall be provided. Use of the one-way voice communication system in a fire emergency by other than department of fire personnel shall be prohibited.
      (1)   The fire alarm system shall be zoned horizontally based on the system design, but in no case shall there be less than one zone per floor.
      (2)   The fire alarm system shall be monitored by an Underwriters' Laboratories, Inc. listed Central Station service or shall be a Proprietary Protective Signaling System installed in accordance with NFPA 72-2013.
      (3)   A fire panel consisting of fire alarm controls, annunciator panel, and one-way voice communications system controls shall be provided in a location approved by the fire commissioner.
      (4)   Plans for all systems to be installed shall be submitted to the fire commissioner for approval and systems used shall meet the approval of the fire commissioner.
   (c)   Notwithstanding any other provision of this Code to the contrary, the revisions to the requirements of this chapter contained in the amendatory ordinance of June 27, 1990, shall apply to existing schools and day care centers beginning July 1, 1991; the revisions to the requirements of this section contained in the amendatory ordinance of 2017 shall apply to existing schools and day care centers beginning July 1, 2018.
   (d)   The requirements of Section 15-16-110(5) of this Code shall be enforced against all single-room occupancy buildings effective June 30, 1995. All single- room occupancy buildings which will require installation of a Class I alarm system shall submit plans to the fire commissioner for approval of such system on or before January 1, 1995.
   (e)   Telephone Exchanges. An approved fire alarm system shall be provided in every new and existing telephone exchange. The fire alarm system shall comply with the requirements of Sections 15-16-140 and 15-16-1280 through 15-16-1510.
(Prior code § 64-10; Amend Coun. J. 12-21-84, p. 12140; Amend Coun. J. 9-8-86, p. 33558; Amend Coun. J. 6-27-90, p. 17610; Amend Coun. J. 5-4-94, p. 49750; Amend Coun. J. 11-2-94, p. 58476; Amend Coun. J. 5-9-12, p. 27485, § 184; Amend Coun. J. 5-18-16, p. 24131, § 113; Amend Coun. J. 9-6-17, p. 55278, Art. VII, § 18)
15-16-120  Class II standard fire alarm system.
   A Class II standard fire alarm system may be installed in lieu of a Class I standard fire alarm system in any building, when in the opinion of the fire commissioner the number of people involved and the physical construction of such building makes a Class II standard fire alarm system acceptable. Class II standard fire alarm system shall comply with the provisions of Article II of this chapter.
(Prior code § 64-11; Amend Coun. J. 5-18-16, p. 24131, § 114)
15-16-130  Floor area and height.
   In every building described in Section 15-16-110, as requiring a standard fire alarm system, the area of such building shall be the total area of the building and the height shall be the total height of the building, including the space used for occupancies other than for institutional, school, hotel, or single-room occupancies.
(Prior code §  64-12; Amend Coun. J. 5-4-94, p. 49750)
15-16-140  Automatic fire detectors, where required.
   In every fire alarm system required in this Code, automatic fire detectors shall be installed as an integral part of a fire alarm system in rooms or portions of the building as follows:
   (a)   In every attic and in all rooms where flammable compressed gas or flammable liquid as described in Chapters 15-24 and 15-26 other than fuel oil for heating is stored or used; also in shops and storerooms where combustible material is stored or handled.
   (b)   In every building used in part as an institutional building, school, hotel, or single-room occupancy an automatic fire detector shall be installed in such portion or portions of the building used for purposes other than institutional, school, hotel, or single-room occupancy purposes, unless such institutional building, school, hotel, or single-room occupancy is separated from all other occupancies by a separation with a fire-resistive value as specified in Section 13-56-280. Such automatic fire detectors shall be installed, spaced and located in accordance with the recommendations, based upon actual tests, prescribed by a nationally recognized testing laboratory acceptable to the fire commissioner.
   (c)   In every storeroom, maintenance shop, fan room, mechanical equipment room, laundry, linen room, janitor closet, kitchen, storage area and dwelling unit of a dormitory of two or more stories in height. The automatic detectors provided in the dwelling units of dormitories shall be rate-of-rise type heat detectors with a smoke detector also installed in each unit in conformity with Sections 13-64-130 and 15-16-1370 of this Code.
   (d)   Fire alarm systems serving Type III schools, day care centers Class II, and those Type I schools operating as or containing a day care center Class I as defined in Section 13-4-010 shall include automatic detectors as follows:
      1.   Smoke detectors shall be installed at each floor level, including basements, of each interior stairwell up to and including one level above the level of the school or day care center, except in unoccupied attics.
      2.   Smoke detectors shall be installed in front of doors to stairwells from the school or day care center and at intervals of no less than 30 feet in all corridors within or serving the school or day care center.
      3.   Smoke detectors shall be located in all lounges, recreation areas and sleeping rooms.
      4.   Heat detectors shall be installed in boiler rooms, kitchens and combustible storage areas except where a sprinkler system with a flow alarm connected to the fire alarm system is installed in such rooms.
   (e)   In all two-story buildings occupied as open plan schools (a story located below grade level shall be counted, if used for other than building service purposes), approved automatic fire detectors shall be installed throughout the building and be interconnected to the school fire alarm system.
   (f)   In hotel buildings over four stories not equipped with an approved system of automatic sprinklers, electrical equipment rooms, guestroom corridors and elevator lobbies shall be equipped with automatic smoke detectors installed in accordance with NFPA 72-2013.
   (g)   In single-room occupancy buildings, automatic heat detectors shall be installed in each single-room occupancy unit, in public corridors, and at each floor level in every interior stairwell. In single- room occupancy buildings, smoke detectors required by Section 13-196-100 of this Code need not be connected to the fire alarm system, but shall be permanently connected to the electrical wiring of the building.
   (h)   In every new and existing public utility structure as defined in Section 13-96-1080, smoke detectors shall be installed in all rooms and spaces containing any electric power or communication transformers, switches, capacitors, control panels, cables, cable racks or equipment racks. The smoke detectors shall be installed in accordance with the provisions of NFPA 72-2013, except that detector locations may vary from NFPA requirements when live electrical equipment would endanger personnel installing or maintaining detectors.
   (i)   Fire detectors shall be provided throughout every telephone exchange in accordance with NFPA 72-2013. Two different types of fire detectors shall be included in each alarm zone in buildings exceeding 1,600 square feet.
(Prior code § 64-13; Amend Coun. J. 9-8-86, p. 33588; Amend Coun. J. 6-27-90, p. 17610; Amend Coun. J. 8-4-93, p. 36644; Amend Coun. J. 5-4-94, p. 49750; Amend Coun. J. 11-2-94, p. 58476; Amend Coun. J. 5-9-12, p. 27485, § 185; Amend Coun. J. 5-18-16, p. 24131, § 115; Amend Coun. J. 11-9-16, p. 36266, § 31; Amend Coun. J. 9-6-17, p. 55278, Art. VII, § 19)
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