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1991-0653064L/42691 ORDINANCE NO r AN ORDINANCE AMENDING SECTIONS 5-3 AND 5-5 OF ARTICLE I OF CHAPTER 5 OF THE CODE OF ORDINANCES OF THE CITY OF DENTON, TEXAS (BUILD- INGS) TO PROVIDE FOR AMENDMENTS TO THE UNIFORM BUILDING CODE, RE- QUIRING THAT AUTOMATIC SPRINKLER SYSTEMS BE INSTALLED IN CERTAIN BUILDINGS, AMENDING ARTICLE 4 07(E) OF APPENDIX A OF THE CODE OF ORDINANCES TO PROVIDE FOR REDUCTION IN THE FIRE PROTECTION WATER CAPACITY REQUIREMENTS IN CERTAIN CIRCUMSTANCES, PROVIDING EXEMP- TIONS FROM CERTAIN REQUIREMENTS OF THE UNIFORM BUILDING CODE IN GROUP A, DIVISION 3 and 4, GROUP B AND GROUP R OCCUPANCIES WHERE SUCH BUILDINGS ARE EQUIPPED WITH AUTOMATIC SPRINKLER SYSTEMS, RE- PEALING ALL ORDINANCES IN CONFLICT HEREWITH, PROVIDING FOR A MAXI- MUM PENALTY IN THE AMOUNT OF $2,000 THEREFOR FOR VIOLATIONS OF SECTIONS I, II, AND III, PROVIDING A MAXIMUM PENALTY IN THE AMOUNT OF $500 FOR VIOLATIONS OF SECTION IV THEREOF, AND PROVIDING FOR AN EFFECTIVE DATE WHEREAS, the City Manager has recommended the following regu- lations to govern conditions hazardous to life and property re- sulting from fire and explosion within the City to protect public safety, health and welfare of its citizens, and WHEREAS, a public hearing has been held in accordance with the requirements of law, NOW, THEREFORE, THE COUNCIL OF THE CITY OF DEMON HEREBY ORDAINS SECTION I That Section 5-3 (Deletions and Amendments) of Artic e I o hapter 5 of the Code of Ordinances of the City of Denton, Texas, is hereby amended by adding subsections to be num- bered (21) through (30), which said subsections shall read as follows Sec 5-3 Deletions and Amendments (21) Section 3802, Automatic Fire Extinguishing Systems, is amended to read as follows (a) An automatic sprinkler system shall be installed in the occupancies and locations set forth in this sec- tion All such installations shall be in accordance with N F P A Standard 13, N F P A Standard 13A, N F P A Standard 13D, N F P A Standard 14, and the Supplemental Sprinkler Rules of the State Board of Insurance, as the same may be amended or supple- mented from time to time (b) An automatic sprinkler system shall be installed 1 In all buildings constructed after June 1, 1991 of noncombustible construction, having 10,000 or more square feet of total floor area, regardless of type of construction, height, area separation walls, exterior wall openings, or occupancy group 2 In all buildings constructed after of combustible construction having square feet of total floor area type of construction, height, ai walls, exterior wall openings, group Exceptions June 1, 1991, 5,000 or more regardless of !ea separation or occupancy 1 Where the heated and the cooled areas of a single family dwelling are less than 5,000 square feet, the floor areas which are not heated or cooled may be omitted from floor area calcula- tions used to determine whether an automatic sprinkler system is required Such areas which are not heated or cooled must be separated from heated or cooled areas of the dwelling by minimum one-hour fire-resistive construction which ex- tends from the lowest floor level to the roof deck Any openings within such separation shall be protected by minimum one-hour fire assemblies 2 Apartment buildings and two family dwellings having 50000 square feet or more of floor area need not be provided with an automatic fire sprinkler system, provided such buildings are separated into areas of less than 5,000 square feet by vertical, four-hour, fire-resistive, non-load bearing walls Such walls shall have no penetration and shall extend from the founda- tion to a point at least 30 inches above the roof and shall extend to the outer edges of horizon- tal projecting elements such as balconies, roof overhangs, canopies or architectural projections (3) In all basements constructed after June 1, 1991, regardless of size, construction type, or occu- pancy group except in Group R, Division 3 Occu- pancies Page 2 (4) In the following Group H Occupancies (a) Division 1 An automatic fire-extinguishing system shall be installed in buildings clas- sified as Group H, Division 1 Occupancy lar- ger than 1500 square feet in floor area (b) Division 2 An automatic fire-extinguishing system shall be installed in Group H, Divi- sion 2 Occupancies exceeding 1500 square feet in area An automatic fire-extinguishing system shall be installed in rooms of buildings classified as 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, of the Uniform Building Code, or any combination of flam- mable liquids exceeds 240 gallons An automatic fire-extinguishing system shall be installed in paint spray booths or rooms (c) Division 3 An automatic fire-extinguishing system shall be installed in buildings clas- sified as Group H, Division 3 Occupancies larger than 3,000 square feet in floor area (d) Division 4 An automatic fire-extinguishing system shall be installed in buildings clas- sified as Group H, Division 4 Occupancies more than one story in height (e) Division 6 An automatic fire-extinguishing system shall be installed throughout build- ings containing Group H, Division 6 Occupan- cies (5) In all Group I Occupancies (6) The owner(s) of any building which existed or which was under construction, or of any site for which a building permit had been issued prior to June 1, 1991 shall be required to install an automatic fire sprinkler system at such time as the owner(s) constructs an addition or enlargement to the building if (a) the total square footage of such addition, when combined with the total square footage of all previous additions and enlargements Page 3 to the building constructed after June 1, 1991, cause the building to exceed 10,000 square feet of total floor area, and (b) the total square footage of all such addi- tions to the building exceeds by more than twenty-five (25%) the total floor area which existed, or which was under construction, or for which a building permit was issued prior to June 1, 1991 Additions required to comply with the pro- visions of laws or ordinances containing health, or safety regulations enacted after June 1, 1991, shall not be counted in calcu- lating the footage under this section (c) All persons wishing to install automatic sprinkler or standpipe systems within the city limits of the City of Denton shall furnish proof to the Fire Mar- shal prior to the beginning of any work that such persons meet or exceed all state and local require- ments for sprinkler installers (1) At least two (2) copies of working drawings shall be furnished at the time of application for a building permit No building permit shall be issued unless the plans for the automatic fire sprinkler or standpipe system have been approved However, the building official may issue a permit for the preparation or construction of a founda- tion and associated underground plumbing and electrical work prior to receipt of the working drawings (2) A temporary Certificate of Occupancy may be is- sued if the fire sprinkler system is operational and has been approved by the Fire Marshal A permanent Certificate of Occupancy shall be is- sued only after at least two sets of as-built drawings and hydraulic calculations are submit- ted to the Fire Marshal for final approval if rate credit is to be received, these copies shall include the stamped approval of the State Board of Insurance The temporary Certificate of Oc- cupancy shall be valid for a period not to exceed one-hundred and twenty (120) days from the date of issuance and any corrections to the fire sprinkler system which are required by the State Board of Insurance shall be completed within the one-hundred twenty (120) period for which the temporary Certificate of Occupancy is valid Page 4 (3) A representative of the Fire Department shall witness all pressure tests of systems The con- tractor's responsible managing employee must be present at all acceptance tests (d) No alterations to systems or to buildings having ap- proved systems shall be made prior to submittal and approval of plans for such alterations or additions (e) All riser control valves shall be able to be locked in an open position and shall be maintained at all times in the locked, open position unless otherwise approved by the Fire Marshal (f) All connections to the City's main shall be designed in accordance with figure B-2-3 1, Connection for Domestic Water, N F P A 13, except that an approved check valve shall be required in the underground yard main near its connection to the domestic water main (22) Section 3804, Permissible Sprinkler omissions, is hereby amended to read as follows 3804 Exceptions (a) Subject to the approval of the Fire Marshal, sprin- klers may be omitted in rooms or areas when the ap- plication of water to the contents may constitute a serious threat to life or fire hazard (b) Group R, Divisions 1 (except hotels and motels) and 3 shall be permitted to install N F P A Standard 13D systems (23) Section 38059 Standpipes, is hereby amended to read as follows 3805 Standpipes (a) Standpipes shall comply with the requirements of N F P A Standard 14, latest edition (b) A Class III standpipe shall be required in all build- ings three (3) or more stories in height In build- ings equipped with automatic sprinkler systems, the requirement of hose and hose cabinets may be waived, if approved by the Fire Marshal (24) Section 3305(8), is amended by adding Exception No 7 which shall read as follows Page 5 7 Corridor walls and ceilings need not be of fire- resistive construction within buildings of Group A, Divisions 3 and 4, Group B and Group R Occupancies which are equipped with an automatic sprinkler system throughout (25) Section 3305(h)(1), is amended by adding Exception No 3 which shall read as follows 3 Self-closing or automatic closing smoke and draft control assembles need not be installed in buildings of Group A, Divisions 3 and 4, Group B and Group R Occupancies which are equipped with an automatic sprinkler system throughout (26) Section 3305(h)(2), is amended by adding Exception No 2 which shall read as follows 2 Protection of openings as required by this section is not required in Group A, Division 3 and 4, Group B and Group R Occupancies which are equipped with an automatic sprinkler system throughout (27) Section 4306(j)5, is amended by adding an exception which shall read as follows Exception Fire damper protection of heating, venti- lation and air conditioning duct penetrations of cor- ridor walls, ceilings or floors is not required in Group A, Division 3 and 4, Group B and Group R Occu- pancies which are equipped with an automatic sprinkler system throughout (28) Section 2516(f)(2), is amended by adding hxception 2 which shall read as follows 2 Firestops may be omitted in combustible attic space in Group A, Division 3 and 4, Group B and Group R Occupancies which are equipped with an automatic sprinkler system throughout (29) Section 4204(a), is amended by adding Exception No 4 which shall read as follows 4 Where approved automatic sprinkler protection is provided in Group A, Division 3 and 4, Group B and Group R Occupancies, the flame-spread classification rating may be reduced to Class III (30) Section 504(b), is amended by adding a new sentence thereto which shall read as follows Page 6 The above provisions shall not apply to Group A, Divisions 3 and 4, Group B and Group R Occupancies which are equipped throughout with an approved auto- matic sprinkler system and are at least ten feet from the property line SECTION II That Article I of Chapter 5 of the Code of Ordi- nancessotie City of Denton, Texas, is hereby amended by adding 2 new sections, to be numbered section 5-5 and 5-6, which shall read as follows Sec 5-5 Water Capacity if sufficient water supplies exist to satisfy automatic fire sprinkler demands as calculated by the Insurance Services Office Fireflow Formula, as amended, the minimum water capacity required by Article 4 07(E) of Appendix A may be reduced by fifty percent (50%), except that in no case shall the minimum capacity be reduced to less than 500 gallons per minute SECTION III That Article I of Chapter 5 of the Code of Ordi- nances of the City of Denton, Texas, is hereby amended by adding a new section, to be numbered section 5-6, which shall read as follows Sec 5-6 Violations A person commits an offense if the person (a) Tampers with, damages or renders inoperable an automatic sprinkler system, standpipe, or alarm device (b) Shuts off a standpipe or automatic sprinkler system without prior approval from the Chief of the Fire De- partment SECTION IV That article 4 07(E) of Article III of Appendix A of t e Co a of Ordinances is amended to read as follows 4 07(E) Water Capacity Required Every development shall provide a3equate water capacity for fire protection purposes Unless buildings in the development are provided with fire protection by means of automatic sprinkler systems in accor- dance with Chapter 5 of the Code of Ordinances, each develop- ment shall provide the following minimum water capacity (cal- culated with 20 pounds of residual pressure) Area G P M High-intensity commercial and industrial 3,000 Medium-intensity commercial 1,500 Page 7 Medium-intensity residential Low-intensity residential 750 500 SECTION V That section 10-63 of the Code of Ordinances is here y ab mended to read as follows Section 10-63 Extent (a) The fire lane shall be extended to within fifty feet (50') of all portions of the exterior walls of the first story of any building For buildings which are equipped with an auto- matic sprinkler system throughout, the fire lane shall extend to within fifty feet of the fire department hose connection SECTION VI Any person who shall violate a provision of this ordinance, except Section IV, or shall be guilty of a misdemeanor punishable by a fine not exceeding Two Thousand Dollars ($2,000) Any person who shall violate Section IV of this ordinance or fails to comply therewith or with any of the requirements thereof, shall be guilty of a misdemeanor punishable by a fine not exceeding Five Hundred Dollars ($500) Each such person shall be deemed guilty of a separate offense for each and every day or portion thereof during which any violation of this ordinance is committed, or continued, and upon conviction of any such violations such person shall be punished within the limits above SECTION VII That if any section, subsection, paragraph, sentence c at use, phrase or word in this ordinance, or application thereof to any person or circumstance is held invalid by any court of competent jurisdiction, such holding shall not affect the va- lidity of the remaining portions of this ordinance, and the City Council of the City of Denton, Texas, hereby declares it would have enacted such remaining portions despite any such invalidity SECTION VIII That the repeal of any ordinance or any portion thereof by the preceding sections shall not affect or impair any act done or right vested or accrued or any proceeding, suit or prosecution had or commenced in any cause before such repeal shall take effect, but every such act done, or right vested or accrued, or proceedings, suit or prosecution had or commenced shall remain in full force and effect to all intents or purposes as if such ordinance or part thereof so repealed had remained in force SECTION IX That this ordinance shall become effective June 1, 1991, an the City Secretary is hereby directed to cause the caption of this ordinance to be published twice in the Denton Record-Chronicle, the official newspaper of the City of Denton, Texas, within ten (10) days of the date of its passage Page 8 PASSED AND APPROVED this the W day of 1 1991 ATTEST JENNIFER WALTERS, CITY SECRETARY APPROVED AS TO LEGAL FORM DEBRA A DRAYOVITCH, CITY ATTORNEY LA4 Page 9