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HomeMy WebLinkAboutOrd 1012 - 1976 Uniform Fire Code (Repealed by Ord 1152)PRELIMINARY q DRAFT NO. 1 CITY of TUKWILA WASHINGTON ORDINANCE NO 1012 REPEALED BY 1152 AN ORDINANCE ADOPTING THE 1976 UNIFORM BUILDING CODE, WITH AMENDMENTS AND REPEALING FORMER RELATED ORDINANCES. THE CITY COUNCIL OF THE CITY OF TUKWILA DO ORDAIN AS FOLLOWS: CZ. REPEALED By 5 c Section 1. Purpose. The purpose of this ordinance is to adopt by reference the 1976 edition of the Uniform Building Code, with amendments. The City feels the adoption of this document is necessary to provide minimum standards for building and related activity to protect the public health, safety and welfare. Section 2. Building Code Adopted. The Uniform Building Code, 1976 Edition, published by the International Conference of Building Officials, as amended by this ordinance, with Appendix Chapters 13, 23, 49 and 70, three copies of which are on file in the office of the City Clerk, regulating the erection, construction, enlargement, alteration, repair, moving, removal, conversion, demolition, occupancy, equipment, use, height, area and mainte- nance of buildings or structures; providing for the issuance of permits and collection of fees therefor; des4ac4eg- awl- egtabli k4aq- i=ir dstr4ct' and providing penalties for the violation thereof, is adopted by reference and made a part hereof as though fully set forth in this chapter. Section 3. Amend subsection 1807(b) of the 1976 Uniform Building Code to read as follows: (b) Compartmentation. Compartmentation shall be provided in every building to provide areas of refuge for the building occupants. This may be provided by either of the following: 1. Horizontal exits dividing a story into two or more areas of approximately the same size not exceeding 30,000 square feet; or 2. Subdividing the building into five -story compartments by inter- rupting the stairshaft with smoke barriers every fifth floor or through the use of smokeproof enclosures for all stairways or any other method which will protect against the movement of smoke from one compartment to another. Openings in exterior walls, located vertically above one another, shall be protected by approved flame barriers extending 30 inches beyond the exterior wall in the plane of the floor or by vertical panels not less than 3 feet in height. Horizontal exit walls used for compartmenting a building shall not have openings therein which would permit transfer of smoke from one compart- ment to the other except for required exits. Fer- spr4m16 er- alternate -see Seet 4en- 1884m47 Section 4. Amend subsection 1807(j) of the 1976 Uniform Building Code to read as follows: (j) Standby Power and Light. An approved permanently installed standby power generating system conforming to U.B.C. Standard No. 18 -1 shall be provided. The system shall be equipped with suitable means for automatically starting the generator set upon failure of the normal electrical service and for automatic transfer and operation of all the required electrical functions at full power within 60 seconds of such normal service failure. System supervi- sion with manual start and transfer features, shall be provided at the Central Control Station. An on- premise fuel supply sufficient for not less than two hours full demand operation of the system shall be provided. All power, lighting, signal, and communication facilities provided under the requirements of this Section shall be transferable to the standby power system. The power requirement shall be determined so as to provide service to, but not limited to the following: 1. Fire alarm system. 2. Exit and other emergency lighting. 3. Fire protection equipment. 4. Mechanical ventilation required by this Section. 5. Fire Department elevator. 6. Voice communication system. Section 5. Amend subsection 1807(m) of the 1976 Uniform Building Code to read as follows: (m) Fire Spinkler Alteinative. Sprinkler protection conforming to the following Ray shall be provided as -an- alternate- te- eefpartHeetatlee: 1. The spinkler system 4s shall be hydraulically designed using the parameters set forth in U.B.C. Standard No. 38 -1 and the following: (i) Shutoff valves and waterflow devices shall be provided on each floor. In addition to actuating a local alarm on the floor upon which the water flow in detected, such valves shall be supervised by a continuously manned control station or by a central station. (ii) The sprinkler system shall be looped between standpipe risers at the bottom, top and mid height of all buildings with a maximum of 20 stories served by any loop. The installation of check valves shall be approved by the Building Official. (iii) Piping may be copper or steel with no minimum size of pipe required. Solder used in connections shall contain not less than 95 percent tin and 5 percent antimony. (iv) Pitching of lines is not required. -2- City Attorney, (v) A minimum of two fire pumps independently driven shall be provided and sized for the sprinkler demand and for a minimum 500 gallons per minute Fire Department standpipe operations. (vi) An on -site supply of water equal to a 20- minute demand or 15,000 gallons on a combined sprinkler and standpipe, which- ever is the smaller, shall be provided. This supply shall be available automatically if the principal supply fails. (vii) Operation of the sprinkler system shall activate the voice communication system. 2. When the an automatic sprinkler system desei4bed -abeve is installed, the following reductions from the requirements of this code are permitted: (i) The fire resistive time periods set forth in Table No. 17 -A may be reduced by one hour, but in no case shall be less than one hour rated for interior bearing walls, exterior bearing and nonbearing walls, roofs and the beams supporting roofs, provided they do not frame into columns. All office building partitions required to be of one -hour fire resistive construction by Table No. 17 -A and Section 3304(g) may be of noncombustible construction without a fire resistive time per- iod. Openings in corridor walls shall be protected by tight- fitting, self closing solid core doors that need not have a fire resistive time period. In Group H Occupancies, corridor and dwelling unit or guest room separation may be reduced to one -half hour. {}44-- The- 11 -4meh- base- 14ees- and- hezzles- may- be- em4ttede (ii) {4444 Travel distance to a horizontal exit or to an enclosed stairway may be 300 feet. (iii) {}v4 Smokeproff enclosures may be eliminated if each required stairway is pressurized as provided in Section 3309(h) to .15 inch of water column. (iv) {v4 Spandrel protection required by Section 1807(b) may be omitted. Section 6. Repealer. The following are hereby repealed: (a) Ordinance numbers 579, 678 and 742 (b) Sections 16.04.010, 16.04.020, 16.04.030 and 16.04.035 of ordinance Number 847 (c) Tukwila Municipal Code Sub Sections 16.04.010, 16.04.020, 16.04.030 and 16.04.035. PASSED BY THE CITY COUNCIL OF THE CITY OF TUKWILA, WASHINGTON, at a regular meeting thereof this /g day of 1977. Approved as to Form: ATTEST: Mayor MS CYerk -3- PUBLISHED: Qcord Ckro;' tc_)� April 02 .2, 19`17