Ordinance 1880-92 - Laserfiche WebLink

• APPENDIX I-A 1991 UNIFORM FIRE CODE B head above the openings on the tenant side. The sprinkler system ma be supplied from the domestic water supply if of adequate volume and pressure. B 3. Vertical openings need not be protected if the building is protected by an ap- proved automatic sprinkler system. • 4. BASEMENT ACCESS OR SPRINKLER PROTECTION B An approved automatic sprinkler system shall be provided in basements or sto- I ries exceeding 1,500 square feet in area and not having a minimum of 20 square B feet of opening entirely above the adjoining ground level in each 50 lineal feet or fraction thereof of exterior wall on at least one side of the building.Openings shall B have a minimum clear dimension of 30 inches. If any portion of a basement is located more than 75 feet from required open- B ings,the basement shall be provided with an approved automatic sprinkler system I throughout. B I 5. STANDPIPES B Any buildings over four stories in height shall be provided with an approved I Class I or III standpipe system. B I 6. SMOKE DETECTORS - _ B (a) General. Dwelling units and hotel or lodging house guest rooms that are I used for sleeping purposes shall be provided with smoke detectors.Detectors shall B be installed in accordance with the approved manufacturer's instructions. (b) Power Source. Smoke detectors may be battery operated or may receive B their primary power from the building wiring when such wiring is served from a 13 commercial source.Wiring shall be permanent and without a disconnecting switch other than those required for over-current protection. • (c) Locations within Dwelling Units. In dwelling units, detectors shall be mounted on the ceiling or wall at a point centrally located in the corridor or area B giving access to each separate sleeping area. Where sleeping rooms are on an up- I per level,the detector shall be placed at the center of the ceiling directly above the B stairway. Detectors shall also be installed in the basement of dwelling units having I a stairway which opens from the basement into the dwelling. Detectors shall B sound an alarm audible in all sleeping areas of the dwelling unit in which they are I located. B (d)Location in Efficiency Dwelling Units and Hotels. In efficiency dwelling I units, hotel suites and in hotel sleeping rooms, detectors shall be located on the B ceiling or wall of the main room or hotel sleeping room. When sleeping rooms within an efficiency dwelling unit or hotel suite are on an upper level,the detector I shall be placed at the center of the ceiling directly above the stairway. When actu- B ated, the detector shall sound an alarm audible within the sleeping area of the I dwelling unit, hotel suite or sleeping room in which it is located. B 7. SEPARATION OF OCCUPANCIES BOccupancy separations shall be provided as specified in the Building Code.See U.B.C.Section 503.When approved by the chief,existing wood lath and plaster in B good condition or 1/2-inch gypsum wallboard may be acceptable where one-hour I occupancy separations are required. 454