05-25-1988 Council Agenda - Laserfiche WebLink

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T%3 3802 UNIFORM BUILDING CODE installed in Group A Occupancies which have more than 12.000 square feet of floor area which can be used for exhibition or display purposes. 4. Stairs. An automatic sprinkler system shall be installed in enclosed usable space below or over a stairway in Group A, Divisions 2, 2.1, 3 and 4 Occupan- cies. See Section 3309 (f). 5. Other areas. An automatic sprinkler system shall be installed under the roof and gridiron, in the tie and fly galleries and in all places behind the proscenium ? wall of st ages; over and within permanent platforms in excess of 500 square feet in area; and in dressing rooms, workshops and storerooms accessory to such stages ;, or permanent platforms. EXCEPTIONS: I . Stages or platforms open to the auditorium room on three or more sides. 2. Altars, pulpits or similar platforms and their accessory rooms. 3. Stage gridirons when side -wall sprinklers with 135 °F. rated heads with heat- baffle plates are installed around the entire perimeter of the stage except for the proscenium opening at points not more than 30 inches below the gridiron nor more than 6 inches below the baffle plate. 4. Under stage or under platform areas less than 4 feet in clear height used exclusively for chair or table storage and lined on the inside with materials approved for one -hour fire - resistive construction. (d) Group B, Division 2 Occupancies. Art automatic sprinkler system shall be installed in retail sales rooms classed as Group B. Division 2 Occupancies where the floor area exceeds 12,000 square feet on any floor or 24,000 square feet on all floors or in Group B. Division 2 retail sales occupancies more than three stories in height. The area of mezzanines shall be included in determining the areas where .4 sprinklers are required. (e) Group E Occupancies. I . Basements. An automatic sprinkler system shall be installed in basements classified as a Group E Occupancy when the basement is larger than 1500 square feet in floor area. 2. Stairs. An automatic sprinkler system shall be installed in enclosed usable space below or over a stairway in Group E Occupancies. See Section 3309 (f). (f) Group H Occupancies. I. Division 1. An automatic fire- extinguishing system shall be installed in Group H, Division 1 Occupancies larger than 1500 square feet in floor area. 2. Division 2. An automatic fire - extinguishing system shall be installed in Group H, Division 2 Occupancies exceeding 1500 square feet in area. An automatic fire - extinguishing system shall be installed in rooms of Group H, Division 2 Occupancies when flammable or combustible liquids are stored or handled in excess of the quantities set forth in Table No. 9 -A, or any combination of flammable liquids exceeds 240 gallons. An automatic fire - extinguishing system shall be installed in paint spray booths or rooms. 3. Division 3. An automatic fire - extinguishing system shall be installed in Group H, Division 3 Occupancies larger than 3000 square feet in floor area. 598 Page 9