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HomeMy WebLinkAbout6152ORDINANCE NO. 6 1 5 2 AN ORDINANCE OF THE CITY COUNCIL OF THE CITY OF AUBURN, WASHINGTON, AMENDING SECTIONS 13.20.010 AND 13.20.140, OF THE AUBURN CITY CODE; REPEALING SECTION 13.20.154 OF THE AUBURN CITY CODE; AND ADDING A NEW CHAPTER 13.22 TO THE AUBURN CITY CODE, ALL RELATING TO FAT, OIL, AND GREASE (FOG) CONTROL PLANS WHEREAS, the discharge of fats, oils, and grease (FOG) into the City's sewer system creates maintenance and operation problems for that system; and WHEREAS, the City of Auburn's design standards require a FOG Control Plan for newly constructed or remodeled businesses that serve or prepare food; and WHEREAS, the City Council finds that linking such plans to building permits does not address FOG discharged from sources not seeking a building permit; and WHEREAS, the City Council wishes to establish a FOG controls that addresses a wider range of FOG sources than is currently regulated under the Auburn City Code, NOW, THEREFORE, THE CITY COUNCIL OF THE CITY OF AUBURN, WASHINGTON. DO ORDAIN as follows: Section 1. Amendment to City Code. That section 13.20.010 of the Auburn City Code be and the same hereby is amended to read as follows: 13.20.010 Definitions. Unless the context specifically indicates otherwise, the meaning of the terms used in this chapter shall be as follows: Ordinance No. 6152 March 17, 2008 Page 1 of 12 A. "Assessment" means a financial burden placed upon a property for benefits received, directly or indirectly. An assessment is typically applied to property through a local improvement district and is collected by the city finance department; however, it can be established for collection upon use of the defined benefit. B. T OD" (denoting biochemical oxygen demand) means the quantity of oxygen utilized in the biochemical oxidation of organic matter under standard laboratory procedure in five days at 20 degrees centigrade expressed in parts per million by weight. C. "Building sewer" means that part of the lowest horizontal piping of the building sewer system which receives the discharge from wastewater pipes inside the building footprint and conveys it to the side sewer at five feet outside of the building footprint. Building sewers are private sewers and are not part of the public system. D. "Charge in lieu of assessment" means a charge made by the city on property which has not previously participated in the cost of a public sewer line directly serving the property. E. "City of Auburn design and construction standards" means the requirements adopted under Chapter 12.04 ACC for storm drainage, sanitary sewer, street, and water design and construction. F. "Commercial" means, for the purposes of this chapter, multiple dwelling units (as defined hereinafter) or businesses engaged in the manufacturing and/or sale of a commodity or commodities, or rendering of a service such as, but not limited to, hotels, motels, hospitals, industrial complexes, schools and colleges, convalescent homes, nursing homes, and retirement homes. G. "Deduct meter" means an approved city water meter that is located upon a private water service serving a non-single-family residential development for the purpose of monitoring water consumption that does not enter into the sanitary sewer system. A deduct meter is not an irrigation meter, and shall not be used as such. H. "Dwelling unit" means one or more rooms designed for or occupied by one family for living or sleeping purposes and containing kitchen facilities for use solely by one family. 1. " F.O.G. (FOG)" means fats, oils, and grease. Ordinance No. 6152 March 17, 2008 Page 2 of 12 J. "FOG Control Plan" means a document, signed by the business owner, outlining FOG issues within the facility and how they are to be addressed. K. "Grease Trap" means an indoor hydromechanical grease interceptor, typically with a holding capacity of 55 gallons or less, designed for the purpose of removing and preventing fats, oils, and grease from entering the sanitary sewer system. Such traps are typically compact under-the-sink units that are near food preparation areas. L. "Grease Interceptor' means an outdoor gravity grease interceptor, typically with a holding capacity of 500 gallons or more, designed for the purpose of removing and preventing fats, oils, and grease from entering the sanitary sewer collection system. These devices are often below-ground units in outside areas and are built as two or three chamber baffled tanks. W. "Irrigation meter" means an approved city water meter connected to a public water service to determine the amount of water being used for landscape watering. NK "LID" or "local improvement district" means a method of assisting benefiting properties in financing needed capital improvements through formation of special assessment districts. OL. "Multiple dwelling units" means, for this chapter, two or more residential units connected to a single water service. PM. "Natural outlet" means any outlet (conveyance) into a watercourse, pond, ditch, lake, or other body of surface or groundwater. QN. "Nonpolar FOG" means FOG of animal or vegetable origin. R. "OiUWater Separator" means a pretreatment device, either coalescing plate or API separator, that prevents oil from being discharqed into the sewer system. S8. "pH" means the measurement of acidity or alkalinity of sewage and is measured as the logarithm of the reciprocal of the weight of hydrogen-ion concentration in gram atoms per liter of solution. TR. "Polar FOG" means FOG of mineral origin. Ordinance No. 6152 March 17, 2008 Page 3 of 12 UQ. "Premises" means property, including improvements, utilized under one ownership and/or under a single entity control with respect to the use of sewer services and the responsibility for payment thereof. VR. "Private sewer" means a sewage conveyance facility which is owned, operated and controlled by the property owner. WS. "Public sewer" means a sewage conveyance facility which is owned, operated and controlled by a public authority. XT. "Residential customer equivalent (RCE)" means the term used by King County's department of natural resources, wastewater treatment division, to define the capacity that is required by new development within the sanitary sewer system. Single-family homes are established as one RCE. RCEs for non-single-family homes and multifamily dwellings shall be calculated using King County guidelines. Multifamily residential units with individual water meters shall be classified as one RCE per family unit. YLJ. "Sanitary sewer" means a wastewater conveyance facility to which storm, surface, and groundwater are excluded. ZV. "Septage" means the mixture of solid wastes, scum, sludge, and liquids pumped from the septic tanks, pump chambers, holding tanks, and other on-site sewer system components. AAW. "Sewage" means residential, business, industrial, and institutional wastewater. ABX. "Sewer" means a facility for conveying sewage ACY. "Sewerage" means all facilities for collecting, transporting, pumping, treating, and disposing of sewage. ADZ. "Sewer meter" is a city-approved device used to measure sewage that enters the sanitary sewer system. AEA. "Side sewer' means the extension from the building sewer to the connector on the public sewer mainline. Side sewer may be a public or private sewer. AF9. "Single-family residential" means, for this chapter, any isolated/detached building designed exclusively for occupancy of one family. ---------------------------- Ordinance No. 6152 March 17, 2008 Page 4 of 12 AGG. "Storm drain" means a wastewater conveyance facility for storm, surface, and groundwater. AH9. "Suspended solids" means solids that float on the surface of, or are in suspension in, water, sewage, or other liquids, and which are removable by laboratory filtering. AI€. "UPC" means the Uniform Plumbing Code, including amendments, as adopted by the city. AJF-. "Utility" means, for this chapter, the city of Auburn sewer utility or sewer division. AKG. "Watercourse" means a channel, either natural or manmade, in which a flow of water occurs, either continuously or intermittently. (Ord. 5934 § 1, 2005; Ord. 5852 § 1, 2004; Ord. 5381 § 1, 2000; Ord. 5302 § 1, 1999; Ord. 5222 § 1 (Exh. B), 1999; Ord. 5212 § 1 (Exh. 1), 1999; Ord. 4241 § 2, 1987.) Section 2. Amendment to City Code. That section 13.20.140 of the Auburn City Code be and the same hereby is amended to read as follows: 13.20.140 Prohibited discharges designated. None of the following described waters or wastes shall be discharged into the public sanitary sewer: A. Any liquid or vapor having a temperature higher than 150 degrees Fahrenheit; B. Polar and nonpolar FOG in amounts that exceed King County Wastewater Division Standards cause a visible sheen on the discharge or in the public sewer system; build-up of grease in any public sewer facility or which accumulations either alone or in combination with other discharges cause obstructions of the public sewer system; C. Any gasoline, benzene, naphtha, fuel oil, or other flammable or explosive liquid, solid, or gas; D. Food waste or animal parts, including food-grinder waste, that cannot pass through a one-quarter-inch sieve; E. Any ashes, cinders, sand, gravel, mud, straw, grass, metal, glass, rags, feathers, tar, plastics, wood, paunch manure or any Ordinance No. 6152 March 17, 2008 Page 5 of 12 other solid or viscous substance capable of causing obstruction to the flow in sewers or other interference with the proper operation of the sewerage works; F. Any waters or wastes having a pH lower than 5.5 or higher than 9.0, or having any other corrosive property capable of causing damage or hazard to structures, equipment and personnel of the sewerage works; G. Any waters or wastes containing a toxic or poisonous substance in sufficient quantity to injure or interfere with any sewage treatment process, constitute a hazard to humans or animals, or create any hazard in the receiving waters of the treatment plant; H. Any water or wastes containing suspended solids of such character and quantity that unusual attention or expense is required to handle such materials at the sewage treatment plant; 1. Any noxious or malodorous gas or substance capable of creating a public nuisance. (Ord. 5934 § 3, 2005; Ord. 5852 § 1, 2004; Ord. 5212 § 1 (Exh. 1), 1999; Ord. 4241 § 2, 1987.) Section 3. City Code Section Repealed. That section 13.20.150 of the Auburn City Code be and the same hereby is repealed. Section 4. City Code Section Repealed. That section 13.20.154 of the Auburn City Code be and the same hereby is repealed. Section 5. Amendment to City Code. That the Auburn City Code be and the same hereby is amended by the addition of a new Chapter 13.22, Fat, Oil and Grease (FOG) Control Plans, to read as follows: ACC CHAPTER 13.22 Fat, Oil and Grease (FOG) Control Plans Sections: 13.22.010 Definitions. 13.22.020 FOG pretreatment and FOG plan required -When. 13.22.030 FOG Plan Requirements Ordinance No. 6152 March 17, 2008 Page 6 of 12 13.22.040 Installation Requirements. 13.22.050 Effluent Testing. 13.22.060 Recordkeeping. 13.22.070 Grease Traps and Grease Interceptors - Cleaning and maintenance. 13.22.080 Oil/Water Separators Required. 13.22.090 Access for inspections. 13.22.010 Definitions. Unless the context specifically indicates otherwise, the definitions set forth in ACC 13.20.010 shall apply to this Chapter. 13.22.020 FOG pretreatment and FOG plan required - When. A. Businesses such as restaurants, cafes, lunch counters, cafeterias, bars, clubs, hotels, hospitals, factories, school kitchens, or other establishments that serve or prepare food where FOG may be part of the waste stream shall have Grease Traps, Grease Interceptors, or other approved pretreatment facilities in place to prevent the discharge of FOG to the sewer system. B. Such businesses shall have an approved and implemented FOG Control Plan, and a business license for the business shall not be renewed or issued without an approved plan being on file with the city. 13.22.030 FOG Plan Requirements. All FOG Plans shall include the following: A. A description of the facility type and a summary of products made and/or service provided. B. A description of any food processing that occurs on site, including but not limited to the type of food service (sit down or take out), types of cooking (saut(§, deep fry, etc.), a description of the menu, and a list of kitchen fixtures with potential to contribute FOG to the sanitary sewer. C. Schematics of process areas illustrating drains and discharge points connected to the sewer. D. A description of current reduction, recycling, treatment activities, and Best Management Practices. E. Specific performance goals and implementation schedule including cleaning frequency. Include cleaning and waste disposal procedures if business will self clean grease trap. Ordinance No. 6152 March 17, 2008 Page 7 of 12 13.22.040 Installation Requirements. A. All FOG pretreatment facilities shall be installed, maintained, and operated by the Business Owner at his or her own expense. The pretreatment facility shall be adequately sized and located in a manner that provides ready and easy accessibility for cleaning and inspection at all times. B. The grease interceptors must meet, at a minimum, the specifications of the current Uniform Plumbing Code and International Building Code adopted by the City at the time of construction. No food waste disposal shall be connected to or discharged into any grease trap or interceptor. No toilets shall discharge into an interceptor. C. Increased volume of discharge (increased business) can become a factor, regarding the efficiency of the grease trap(s). As discharge volumes increase, the need for a larger grease trap(s) or an exterior grease interceptor may be necessary. If the facility's waste stream discharge is not maintained within City standards, a pretreatment system upgrade will be required at the discharger's expense. 13.22.050 Effluent Testing The City of Auburn may require periodic testing of effluent by businesses when the City has a reasonable belief that the business is not meeting the FOG discharge standards set forth in ACC 13.20.140 based on: A. Down stream testing; or B. Evidence of FOG buildup downstream; or C. Discharger records that are incomplete, false, or not made available for inspection; or D. Evidence of tampering with pretreatment equipment; or E. Evidence of use by the business of degreasers, "enzymes" or other chemicals which keep grease in suspension past the grease trap or interceptor; or Ordinance No. 6152 March 17, 2008 Page 8 of 12 F. Other reasons established by facts which warrant a belief that the discharge standards are violated. 13.22.060 Recordkeeping. Records and certification of maintenance, including copies of grease interceptor cleaning invoices, shall be made readily available to the City for review and inspection, and must be maintained by the business for a minimum of two years, or longer upon notification by the City. Copies of all maintenance and cleaning reports shall be sent in to the City within ten (10) days of service. 13.22.070 Grease Traps and Grease Interceptors - Cleaning and maintenance. A. The Grease Trap or Grease Interceptor shall be kept in continuous operation at all times and shall be maintained to provide efficient operation. Businesses shall not allow the addition of emulsifying agents for the purposes of emulsifying polar or nonsolid FOG. Interceptor cleaning shall done only by a service contractor qualified to perform such cleaning. All material removed shall be disposed of in accordance with all City, county, state, and federal regulations. B. Grease Interceptor Cleaning. 1. Grease Interceptor maintenance shall include quarterly (four times annually) pumping and cleaning of the interceptor, which shall be set forth in the FOG Plan. The Business may request to modify the quarterly cleaning frequency, by demonstrating that all solids and grease layers reported over the previous twelve (12) months were less than fifteen (15) percent of the interceptor's capacity. The City reserves the right to at any time to modify the FOG Plan to increase the cleaning frequency, if the grease interceptor's solids and grease layer exceeds twenty-five (25) percent of its capacity at any time in the previous twelve (12) months. 2. Grease interceptor maintenance shall include removal of all FOG, solids and water from the grease interceptor. Skimming the surface layer of waste material, partial cleaning of the interceptor or use of any method that does not remove entire contents of the collection device does not constitute maintenance under this Chapter. After a complete Ordinance No. 6152 March 17, 2008 Page 9 of 12 evacuation, the walls, top and bottom of the interceptor shall then be thoroughly scraped and the residue removed. The grease interceptor shall be filled with clean water before returning to service. C. Grease Trap Cleaning. 1. Grease Trap maintenance shall occur at the intervals set forth in the FOG plan, which shall not exceed ninety (90) days. Grease trap maintenance shall include removal of the grease layer, scraping of baffles and removal of sediment layer. The grease trap shall be filled with clean water before returning to service. A cleaning company, licensed to do business in the City of Auburn, may be employed to pump out the trap. 2. Self-Cleaning. A business may be allowed under its FOG Plan to self-clear its grease trap(s) located inside a building provided: a. The grease trap is no more than fifty-five (55) gallons in liquid/operating capacity; b. Whenever the grease trap is inspected or cleaned, seams and pipes are checked for leaks, and the baffles and flow regulating devices checked for effective operation. c. All FOG and food waste (including caked on FOG and waste) is removed from the grease trap and its baffles; d. Oil and grease are skimmed from the surface of the water and placed in a watertight container. e. Solids are removed from the bottom of the grease trap and placed in a watertight container. f. The grease trap is filled with clean water before returning to service. g. The business records the date of cleaning and the amount of material removed form the grease trap in a maintenance log, and reports the information to the City under the terms of the FOG Plan. h. All grease trap waste is placed in a leak proof, sealable container(s) located on the premises, and shall be disposed of by either: i. Contracting with a licensed cleaning company to pick up the collected waste; or Ordinance No. 6152 March 17, 2008 Page 10 of 12 ii. Absorb all free liquid with a dry absorbent and dispose as solid waste in a watertight container. D. It is a violation of this Chapter to discharge any waste, including FOG and solid material, removed from the grease trap to any drainage piping connected to the sanitary sewer or the storm drainage system. 13.22.080 Oil/Water Separators Required. Businesses that operate automobile and truck repair facilities, steam cleaning facilities for motorized equipment, car sales lots, filling stations or any other establishment where petroleum-based grease and oil may be introduced to the sewer system shall have pretreatment facilities to prevent the discharge of oil and grease. These pretreatment facilities must be oil/water separators or interceptors located to collect such mixtures of grease, oil and water. Pretreatment facilities shall be in accordance with City and Washington State Department of Ecology Standards. Businesses shall maintain, inspect and clean oil/water separators on a schedule that provides for effective operation. Oil/Water Separator shall be inspected monthly or more frequently, as needed, by the owner. API oil/water separators shall be cleaned before the oil layer reaches three (3) inches in depth. Coalescing plate separators shall be cleaned before the plates are coated with silt and/or solids. Cleaning shall include removal of all oil, water, and sediment, and refilling the separator with clean water. Cleaning shall be performed by a qualified service contractor. All material removed shall be disposed of in accordance with all Federal, State, and/or local laws. 13.22.090 Access for inspections. The provisions of ACC 13.20.500, Access for inspections, shall apply to inspections conducted under this Chapter. Section 6. Implementation. The Mayor is hereby authorized to implement such administrative procedures as may be necessary to carry out the directions of this legislation. Ordinance No. 6152 March 17, 2008 Page 11 of 12 Section 7. Severability. The provisions of this ordinance are declared to be separate and severable. The invalidity of any clause, sentence, paragraph, subdivision, section or portion of this ordinance, or the invalidity of the application thereof to any person or circumstance shall not affect the validity of the remainder of this ordinance, or the validity of its application to other persons or circumstances. Section 8. Effective date. This Ordinance shall take effect and be in force five days from and after its passage, approval and publication as provided by law. INTRODUCED: PASSED: APPROVED: MAR 17 2008 MAR 17 2008 MAR 17 2008 TY OF AUJ?N P ER B. LEWIS MAYOR ATTEST: Danielle E. Daskam, City Clerk APPROVED AS TO F M: aniel B. mid, City Attorney Published: Ordinance No. 6152 March 17, 2008 Page 12 of 12