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Home My WebLink AboutORD 1993-048 ,� . ORDINANCE NO. 93-48 �, AN ORDINANCE OF THE CITY COUNCIL OF THE CITY OF GRAPEVINE, TEXAS AMENDING THE GRAPEVINE CODE OF ORDINANCES BY AMENDING CHAPTER 11, FIRE PROTECTION AND PREVENTION, ARTICLE III FIRE CODE SECTIONS 79.501, 79.1001 AND BY THE ADDITION OF APPENDIX II-F. PROVIDING FOR THE ESTABLISHMENT OF PROTECTED ABOVEGROUND FLAMMABLE AND COMBUSTIBLE LIQUID STORAGE TANKS; PROVIDING FOR PERMITS AND PLANS FOR DESIGN AND CONSTRUCTION AND MAINTENANCE; PROVIDING A SEVERABILITY CLAUSE; REPEALING CONFLICTING ORDINANCES; PROVIDING A PENALTY BY FINE NOT TO EXCEED THE SUM OF TWO THOUSAND DOLLARS ($2,000.00) AND A SEPARATE OFFENSE SHALL BE DEEMED COMMITTED UPON EACH DAY DURING OR ON WHICH A VIOLATION OCCURS; DECLARING AN EMERGENCY AND PROVIDING AN EFFECTIVE DATE. � BE IT ORDAINED BY THE CITY COUNCIL OF THE CITY OF GRAPEVINE, TEXAS: �F°� Section 1 . That Chapter 11 Fire Protection and Prevention, Article Iil Fire Code, Section 11-40, Subsections 79.501 and 79.1001 are hereby amended to read as follows: "Section 79.501. Storage of Class I and Class II liquids in aboveground tanks outside of buildings is prohibited within the corporate limits of the City of Grapevine. Exceptions: 1 . Combustible Liquids (NFPA Class II, III-A and III-B) used for the temporary storage of diesel fuel solely to be used for supplying of equipment during periods of construction. 2. The storage of Naphtha or White Gas meeting the requirements of Article 79 of the Uniform Fire Code, 1991 Edition. 3. Aboveground tank installations meeting the requirements of Appendix II-F, as amended, of the Uniform Fire Code, 1991 Edition." Seciton 79.1001. Storage and Dispensing of flammable and combustible liquids on farms and construction projects in aboveground storage tanks is prohibited � within the corporate limits of the City of Grapevine. ,k , Exceptions: 1 . Combustible Liquids (NFPA Class II, III-A and III-B) used for the temporary storage of diesel fuel solely to be used for supplying of equipment during �,_� periods of construction. 2. The storage of Naphtha or White Gas meeting the requirements of Article 79 of the Uniform Fire Code, 1991 Edition. 3. Aboveground tank installations meeting the requirements of Appendix II-F, as amended, of the Uniform Fire Code, 1991 Edition." APPENDIX II-F PROTECTED ABOVEGROUND TANKS FOR MOTOR VEHICLE FUEL-DISPENSING STATIONS OUTSIDE BUILDINGS 1 . SCOPE Storage and dispensing of motor fuels into the fuel tanks of motor vehicles from protected aboveground tanks located outside buildings shall be in accordance with this appendix. � 2. DEFINITIONS "� d For the purpose of this appendix, certain terms are defined as follows: FUEL DELIVERY SYSTEM is a system which consists of a tank vehicle containing a pump, fill hose with appropriate connections, and a person who performs the tank filling operation of transferring fuel from the tank vehicle to an aboveground tank. The two types of fuel delivery systems for aboveground tanks are as follows: (a) PRECONNECTED FLEXIBLE HOSE SYSTEM is a fuel delivery system containing a reel-mounted preconnected flexible hose having a maximum nominal diameter of 2 inches and a manually controlled fuel delivery nozzle at the downstream end of the hose. (b) RIGID HOSE SYSTEM is a fuel delivery system utilizing one or more sections of large diameter rigid hose (usually 3 to 4 inches in nominal diameter) which does not contain a nozzle but which contains interlocking connections for manually connecting the hose from the tank vehicle to the tank. ,,��. PRIMARY TANK is a listed aboveground atmospheric tank used to store liquid. See definition of "primary containment" in Section 9.118. � PROTECTED ABOVEGROUND TANK is a tank system consisting of a primary tank provided with protection from physical damage, and fire-resistive protection from ORD. N0. 93-48 2 �,: ,„ a high-intensity liquid pool fire exposure. The tank system may provide these protection elements as a unit or may be an assembly of components, or a combination thereof. �� 3. PERMITS AND PLANS A permit is required to install, operate, repair or modify protected aboveground tanks used for storage and dispensing of flammable or combustible liquid motor fuels. Plans shall be submitted with permit applications. The plans shall include the �', design, details, and specifications of the following: ' ' (a) Quantities and types of liquid to be stored; � (b) Distances from tanks and dispensers to property lines and buildings; (c) Vehicle access; i (d) Fire appliances; (e) Vehicle impact protection; (f) Protected aboveground tanks and their supports; �. (g) Method of storage and dispensing; (h) Overfill prevention, spill containment, vents, vapor recovery, dispensers, �' and other equipment and accessories; i (i) Seismic design in accordance with the Building Code; �' (j) Secondary containment; ; i (k) Venting; I Pi in ; , O P 9 I (m) Electrical systems; (n) Emergency controls; and ��. (o) Other information as required by the chief. � , l ORD. N0. 93-48 3 l t , 4. TANK DESIGN (a) Protection. Protected aboveground tanks shall meet the requirements of U.L. :�,;,�, Subject 2085. (b) Primary Tanks. Primary tanks shall be designed in accordance with Article 79, Division V. (c) Size. Primary tanks shall not exceed a 6,000 gallon individual or 18,000 gallon aggregate capacity. (d) Vents. 1 . Capacity. The vent capacity reduction factor as provided for in Section 79.509 (b) 4 shall not be allowed. 2. Flame arresters. Approved flame arresters shall beinstalled in normal vents. 5. INSTALLATION OF TANKS Protected aboveground tanks shall be listed in accordance with the following: (a) Separation Distances. A protected aboveground tank shall be separated by j not less than: �- = 1 . Fifteen feet from any property line of property which is or can be built upon, including the opposite side of a public way; 2. Five feet from the nearest side of any public way or from the nearest important building on the same property; and 3. Three feet from adjacent tanks. (b) Total auantity. Protected aboveground tank installations shall not exceed 18,000 gallons aggregate capacity of primary tanks. Tank installations having the maximum allowable aggregate capacity shall be separated from other installations of protected aboveground tanks by not less than 100 feet. (c) Secondary Containment. Protected aboveground tanks shall be provided with drainage or diking in accordance with a component of the listed protected tank system. Secondary containment systems shall be monitored either visually or automatically. Enclosed secondary containment systems shall be provided with emergency venting. �� (d) Vehicle Impact Protection. Guard posts or other approved barrier protection shall be separately provided for each protected aboveground tank and for connected +� piping subject to vehicle impact. The design of guard posts shall be in accordance ` with Section 80.301 (w). ORD. NO. 93-48 4 I �,,, .* (e) Overfill Prevention. Protected aboveground tanks shall not be filled in excess of 90 percent of their capacity. An overfill prevention system shall be provided for each tank. During tank filling operation, the system shall: �� 1 . Provide an independent means of notifying the person filling the tank that the fluid level has reached 85 percent of tank capacity. This may be accomplished by any one of the following: A. An alarm providing an audible or visual signal. B. A tank level gauge marked at 85 percent of tank capacity. C. Other approved means. 2. Automatically shut off the flow of fuel to the tank when the quantity of liquid in the tank reaches 90 percent of tank capacity. For rigid hose fuel-delivery systems, an approved means shall be provided to empty the fill hose into the tank after the automatic shutoff device is activated. A permanent sign shall be provided at the fill point for the tank documenting the filling procedure and the tank calibration chart. The filling procedure shall require the person filling the tank to � � determine the gallonage required to fill it to 90 percent of capacity before commencing the fill operation. (f) Fill Pipe Connections. The fill pipe shall be provided with a means for making a direct connection to the tank vehicle's fuel delivery hose so that the delivery of fuel is not exposed to the open air during the filling operation. When any portion of the fill pipe exterior to the tank extends below the level of the top of the tank, a check valve shall be installed in the fill pipe not more than 12 inches from the fill hose connection. See Section 79.508 for tank valves. (g) Spill Containers. A spill container having a capacity of not less than 5 gallons shall be provided for each fill connection. For tanks with a top fill connection, spill containers shall be noncombustible and shall be fixed to the tank and equipped with a manual drain valve which drains into the primary tank. For tanks with a remote fill connection, a portable spill container shall be provided. (h) Signs. Warning signs and identification signs shall be installed to clearly identify hazards. The design of such signs shall be in accordance with Sections 79.109, 79.110, 79.807 (e) and 79.903 (d1. Conspicuous signs prohibiting simultaneous tank filling and fuel dispensing shall be posted. � ORD. N0. 93-48 5 �. .m 6. INSTALLATION OF DISPENSING AND PIPING SYSTEMS Dispensing and piping systems and electrical controls shall be installed in accordance with Article 79, Divisions VII and IX, except as follows: (a) Tank Openings. Tank openings in protected aboveground tanks shall be through the top only. (b) Dispensing Devices. Dispensing devices are allowed to be installed on top of or immediately adjacent to protected aboveground tanks. (c) Antisiphon Devices. Approved antisiphon devices shall be installed in each external pipe connected to the tank when the pipe extends below the level of the top of the tank. 7. PARKING of TANK VEHICLES Tank vehicles shall not be parked within 25 feet of a protected aboveground tank. EXCEPTION: When the tank is being filled from the tank vehicle. "� ' 8. MAINTENANCE `�-� Protected aboveground tanks, piping and dispensing systems shall be maintained in a safe operating condition. Protected aboveground tanks and components of dispensing systems shall be maintained in accordance with their listings. Damage to protected aboveground tanks shall be repaired using materials having equal or greater strength and fire resistance." Section 2. That all ordinances or any parts thereof in conflict with the terms of this ordinance shall be and hereby are deemed repealed and of no force or effect; provided, however, that the ordinance or ordinances under which the cases currently filed and pending in the Municipal Court of the City of Grapevine, Texas shall be deemed repealed only when all such cases filed and pending under such ordinance or ordinances have been disposed of by a final convictions or a finding of not guilty or nolo contendere or dismissal. Section 3. Any person, firm or corporation violating any of the provision of this ordinance shall be deemed guilty of a misdemeanor, and upon conviction thereof shall be fined in a sum not to exceed Two Thousand Dollars ($2,000.00) and a separate offense shall be deemed committed upon each occurrence of the violation. � ORD. N0. 93-48 6 �-., Section 4. If any section, article, paragraph, sentence, clause, phrase or word in this ordinance or application thereto any person or circumstances is held invalid or unconstitutional by a court of competent jurisdiction, such holding shall not affect the ,,,�,,, validity of the remaining portions of this ordinance; and the City Council hereby declares it would have passed such remaining portions of the ordinance despite such invalidity, which remaining portions shall remain in full force and effect. Section 5. The fact that the present ordinances and regulations of the City of Grapevine, Texas are inadequate to properly safeguard the health, safety, morals, peace and general welfare of the public creates an emergency which requires that this ordinance shall become effective from and after the date of irs passage, and it is accordingly so ordained. PASSED AND APPROVED BY THE CITY COUNCIL OF THE CITY OF GRAPEVINE, TEXAS on this the 5th day of October , 1993. APPROVED: �, , �� William D. Tate ��, Mayor ATTEST: Lind Huff City Secretary APPROVED AS TO FORM: � �. John F. Boyle, Jr. City Attorney � ORD. NO. 93-48 7