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HomeMy WebLinkAboutORD 4343Amended By ORO 4723 (move sections to Title IV) CITY OF RENTON,WASHINGTON ORDINANCE NO.4343 Amends Ord's:2173.3055, 3440.1552 Amended By ORO #4467 •4677 AN ORDINANCE OF THE CITY OF RENTON,WASHINGTON,AMENDING SECTION 8-5-1,8-5-2.0,8-5-6,8-5-7,8-5-11,8-S-15.C, 8-5-19,AND ADDING A NEW SECTION 8-5-21,TO CHAPTER 5, SEWERS,OF TITLE VIII (HEALTH AND SANITATION)OF ORDINANCE NO.4260 ENTITLED "CODE OF GENERAL ORDINANCES OF THE CITY OF RENTON,WASHINGTON"RELATING TO SEWERS AND SEWER REQUIREMENTS. THE CITY COUNCIL OF THE CITY OF RENTON.WASHINGTON.DO ORDAIN AS FOLLOWS: SECTION I.Sections 8-5-1,8-5-2.0,8-5-6,8-5-7,8-5-11 1 8-5-15.C,and 8-5-19 1 of Chapter 51 Sewers 1 of Title VIII (Health and Sanitation)of Ordinance No.4260 entitled "Code of General Ordinances of the City of Renton l Washington"are hereby amended to read as follows: 6-5-1:DEFINITIONS:Unless the context specifically indicates otherwise,the meaning of terms used in this chapter shall be as follows: A.BOD (denoting Biochemical Oxygen Demand):The quantity of oxygen utilized in the biochemical oxidation of organic matter under standard laboratory procedure in five (5)days at twenty degrees (20 o )C.,expressed in parts per million by weight. B.BUILDING DRAIN:That part of the lowest horizontal piping of a drainage system which receives the discharge from soil, waste,and other drainage pipes inside the walls of the building and conveys it to the building sewer,beginning five feet (5') outside the inner face of the building walls. C.BUILDING SEWER:The extension from the building drain to the public sewer or other place of disposal. 1 ORDINANCE NO.4343 D.CITY COMPREHENSIVE SEWER SYSTEM PLAN:The complete engineering report and plans that guide planning and construction of all new sanitary sewer facilities. E.COMBINED SEWER:A sewer receiving both surface runoff and sewage. F.FWPCA:The Federal Water Pollution Control Act of 1956,PL 84-660,together with the amendments of 1966,1972,and as same may be hereafter amended;Public Law 92-500 and all subsequent amendments thereto. G.GARBAGE:Solid wastes from the preparation,cooking,and dispensing of food,and from the handling,storage,and sale of produce. H.INDUSTRIAL WASTES:The liquid wastes from industrial process as distinct from sanitary sewage. I.INFILTRATION:The volume of water or ground water entering sewers and building sewer connections from the soil through defecti ve joints t broken or cracked pipe,improper connections or other structural failures. J.INFILTRATION AND INFLOW:The combined volume of both infiltration and inflow water found in existing sewer systems. K.INFLOW:The volume of water discharged into sewer lines from surface sources such as roof drains f cellar and yard area drains,foundation drains,swamp and spring water drains,and all other accidental or deliberate discharges of surface water. L.LONG-RANGE WASTEWATER MANAGEMENT PLAN:See City Comprehensive Sewer Plan. 2 ORDINANCE NO.4343 M.NATURAL OUTLET:Any outlet into a watercourse,pond, ditch,lake or other body of surface or ground water. N.pH:The logarithm of the reciprocal of the weight of hydrogen ions in grams per liter of solution. O.PROPERLY SHREDDED GARBAGE:The wastes from the preparation I cooking,and dispensing of food that has been shredded to such degree that all particles will be carried freely under the flow conditions normally prevailing in public sewers l with no particle greater than one-half inch (1/2")in any dimension. P.PUBLIC SEWER:That portion of a sanitary sewer and its appurtenances located on property I easements and rights of way heIdi owned,controlled and accepted by the City or other public authority. Q.SANITARY SEWER: which storm,surface,and admitted. A sewer which carries sewage and to ground waters are not intentionally R.SEWAGE:A combination of the water-carried wastes from residences,business buildings I institutions,and industrial establishments,together with such ground,surface,and storm waters as may be present. S.SEWAGE TREATMENT PLANT:Any arrangement of devices and structures used for treating sewage. T.SEWAGE WORKS:All facilities for collecting,pumping, treating,and disposing of sewage. U.SEWER:A pipe or conduit for carrying sewage. V.SIDE SEWER:See building sewer. 3 ORDINANCE NO.4343 w.SIDE SEWER STUB:That portion of the building sewer between primary collection lines and individual property lines. x.STORM SEWER AND STORM DRAIN:A sewer which carries storm and surface waters and drainage,but excludes sewage and polluted industrial wastes. Y.SUSPENDED SOLIDS,Solids that either float on the surface of,or are in suspension in water,sewage,or other liquids;and which are removable by laboratory filtering. z.WATERCOURSE:A channel in which a flow of water occurs either continuously or intermittently. 8-5-2.D:The owner of each house,building or property used for human occupancy,employment,recreation or other purpose, situated within the City and abutting on any street,alley or right of way in which there is now located or may in the future be located a public sanitary or combined sewer of the City in which said public sewer is within three hundred thirty feet (330')of the property line and which has been determined to be a health hazard by the City or the Seattle-King County Health Department,or its successor agencies,or which has participated and been included in a local improvement district,is hereby required at the owner's expense,to install suitable toilet facilities therein and to connect such facilities directly with the proper public sewer in accordance with the provisions of this chapter,within ninety (90) days after date of official notice to do so. 8-5-6,SPECIFICATIONS FOR BUILDING SEWERS'The building sewer shall be ductile iron pipe class 50,PVC plastic pipe ASTM spec.03034 or equal,or other suitable material approved by the 4 ORDINANCE NO.4343 Utilities Engineer.Joints shall be tight and waterproof.Any part of the building sewer that is located within ten feet (10')of a water service pipe shall be constructed of ductile iron pipe with push-on rubber gasket joints.If installed in filled or unstable ground,the building sewer shall be of ductile iron pipe with push-on rubber gasketed joints. The size and slope of the building sewer shall be subject to the approval of the Utilities Engineer.The standard minimum sizes and slopes are: a.4"at a 2%slope (1/4"per foot)for single-family or duplex residential,or b.6"at a 2%slope (1/4"per foot)for multi-family, commercial,or industrial. In no event shall the diameter of the side sewer stub be less than six inches (6"). The Utility may allow,under certain circumstances,a 6"side sewer to be laid at no less than 1%(l/B"per foot).A grade' release holding the City harmless for the flatter slope will be required. Whenever possible the building sewer shall be brought to the building at an elevation below the basement floor.No building sewer shall be laid parallel to or within three feet (3')of any bearing wall,which might thereby be weakened.The depth shall be sufficient to afford protection from frost.The building sewer shall be laid at uniform grade and in straight alignment insofar as possible.Changes in direction shall be made with proper fittings per City of Renton standards.The Wastewater Utility may allow,at 5 ORDINANCE NO.4343 its discretion,the installation of a six inch (6")building sewer properly curved not to exceed one-half (1/2)of manufacturer's specifications. In all buildings in which any building drain is too low to permit gravity flow to the pUblic sewer,sanitary sewage carried by such drain shall be lifted by approved artificial means and discharged to the building sewer. All excavations required for the installation of a building sewer shall be open trench work unless otherwise approved by the Utilities Engineer.Pipe laying and backfill shall be performed in accordance with ASTM spec.C12-19 and APWA spec.Sec.60 except that no backfill shall be placed until the work has been inspected. All joints and connections shall be made gastight and watertight,and installed in accordance with APWA spec.62-3.98A. Concrete pipe joints shall conform with ASTM C-443.Ductile iron pipe push-on joints shall conform with ANSI A-21.11.PVC pipe joints shall conform with ASTM D 2680. Other jointing materials and methods may be used only by written approval of the utilities Engineer. 8-5-7:CONNECTION OF BUILDING SEWER TO PUBLIC SEWER:The connection of the bUilding sewer into the public sewer shall be made at a side sewer stub,if such a stub is available at a suitable location and is found upon examination and tests by the Utility to meet all standards and specification of the City.If no stubs are suitably located or if the existing stub(s)are found not to meet all standards and specifications the property owner shall, at their expense,have a new side sewer stub installed.All such 6 ORDINANCE NO.4343 connections shall be made under permit issued by the Utility and per City standards and specifications. 8-5-11:GREASE,OIL AND SAND INTERCEPTORS:Grease,oil and sand interceptors or other approved methodology shall be provided when,in the opinion of the Utilities Engineer,they are necessary for the proper handling of liquid wastes containing grease in excessive amounts,or any flammable wastes,sand,and other harmful ingredients;except that such interceptors shall not be required for private living quarters or dwelling units.All interceptors shall be of a type and capacity approved by the Utilities Engineer, and shall be so located as to be readily and easily accessible for cleaning and inspection. Grease and oil interceptors shall be constructed of impervious materials capable of withstanding abrupt and extreme changes in temperature.They shall be of substantial construction, watertight,and equipped with easily removable covers which,when bolted in place,shall be gastight and watertight.Where installed,all grease,oil and sand interceptors shall be maintained by the owner,at his expense,in continuously efficient operation at all times. A.Grease and oil interceptors shall be required on all restaurants,garages and gas station premises and shall be so situated as to intercept only the sources of grease and oil wastes but excluding domestic or human wastes. 8-S-15.C:Upon application made to the City Council,requests for individual sewer service outside of the City Limits,will be evaluated on a case-by-case basis.The City Council will consider 7 ORDINANCE NO.4343 and may allow sanitary sewer service to properties outside the City's Corporate Limits when no other reasonable service is available and it is in the City's best interest.Consideration will be given to the following factors: a.The applicant is a municipal or quasi-municipal corporation including school,hospital or fire district,County of King,or similar public entity;or b.Service is necessary to convert from a failing or failed septic system and the property.owner executes an agreement by which the owners,their heirs,successors or assigns,agree and covenant. to sign a petition to annex the property into the City of Renton; or c.Service is necessary to protect the City's drinking water supplies;or d.The property to be served is within a drainage basin where service can be provided with gravity flow via the existing Renton sewer system,the property is not within a sewer service district that has service available through existing or gravity extension of existing facilities,and the property owner executes an agreement by which the owners,their heirs,successors or assigns,agree and covenant to sign a petition to annex the property into the City of Renton. The Public Works Department mandates design standards and criteria for the property(s)requesting service without annexation. King County Boundary Review Board approval of service and service agreements with adjacent districts will be obtained,when necessary,prior to issuance of the Public Works Permit.The 8 ORDINANCE NO.4343 property owner will obtain and pay for all required permits, including but not limited to City side sewer permits and County right-oi-way permit (if necessary).The property owner will be responsible for their fair share of the cost of the installation of the sewer main either through direct cots or latecomers assessments.The rates to such special users shall be one and one- half (1-1/2)times the basic City rates applicable to resident users for similar services plus any monthly fees levied by "Metro." 8-5-19,PUBLIC SEWER SPECIFICATIONS, A.Public sewers shall conform to the latest standards of the City of Renton,as adopted by City Code,and to the "Recommended Standards for Sewage Works"of the Great Lakes -Upper Mississippi River Board of State Sanitary Engineers,and are subject to review by the Department of Ecology of the State of Washington. B.The public sewer shall be ductile iron,AWWA C 151,with Type II push-an or Type III mechanical joints,together with cement mortar lining three thirty-seconds inch (3/32")in accordance with AWWA C 104,or polyvinyl chloride (PVC)plastic pipe ASTM D 3034, or concrete non-reinforced ASTM C14 Class 2,or concrete reinforced ASTM C76;rubber gaskets for concrete pipe shall meet ASTM C443 standards;rubber gasket for PVC pipe shall meet ASTM 1869 standards.However,when public sewers are installed in filled or unstable ground,in areas with high ground water levels,or in areas where the potential for infiltration occurs,may be required to be either ductile iron,or PVC plastic pipe.Exact pipe 9 ORDINANCE NO.4343 material shall be as determined by the Wastewater Utility.Minimum size shall be eight inches (8")diameter. C.Manholes shall be installed at the end of each line,at all changes of grade,size or alignment,at distances no greater than four hundred feet (400')for fifteen inch (IS")diameter sewers or smaller.Greater spacing may be permitted in larger sewers.Manholes shall be a minimum of forty eight inches (48")in diameter,shall be precast concrete or cast in place concrete,with steel reinforcementi steps shall be placed at one foot (1') spacing,conforming to current safety regulations. The manhole covers shall be twenty four inches (24")1n diameter cast iron frame and covers.All connections to the manhole shall match the existing inverts or have a drop connection in accordance with the current City of Renton standards. D.All lift stations that are to be turned over for public maintenance as well as private lift stations for commercial or multi-family building sewers shall have alarm and standby emergency operation systems,and meet or exceed Department of Ecology specifications as detailed in "Criteria for Sewage Works Design.II All private single-family lift stations shall meet or exceed the current City of Renton standards for that type of facility. E.All persons or local improvement districts desiring to install sanitary sewer mains,as an extension of Renton's sewer system,must extend said mains under the supervision of the Wastewater Utility.All installations shall extend to and across the full width of the property served with sanitary sewer except when it is shown by engineering methods,to the satisfaction of the 10 ORDINANCE NO.4343 Wastewater Utility,that future extension of the sewer main is not possible or necessary.If an exemption is granted,the property owner is not relieved of the responsibility to extend the main and shall execute a covenant agreeing to participate in an extension if,in the future,the Wastewater Utility determines that it is necessary.No property shall be served by City sewer unless the sewer main is extended to the extreme boundary limit of said property as required by this section.Any facility improvements identified by the current adopted Long-Range Wastewater Management Plan (Comprehensive Sewer System Plan)that are not installed or in the process of being installed must be constructed by the property owner(s)or developer(s)desiring service.All public sewer extensions shall conform to the standards and be consistent with the City comprehensive sewer system plan. 8-5-21:ALTERNATES,MODIFICATIONS,APPEALS: A.Alternates:The provisions of this code are not intended to prevent the use of any material or method of construction not specifically prescribed by this code,provided any alternate has been approved and its use authorized by the department Administrator or his/her designee. The Administrator may approve any such al ternate, provided he/she finds that the proposed design is satisfactory and complies with the provisions of this code and the material,method or work offered is,for the purpose intended,at least the equivalent of that prescribed 1n this code in suitability, strength,effectiveness,durability,safety,maintainability,and environmental protection. 11 4343 ORDINANCE NO. The Administrator shall require that sufficient evidence or proof be submitted to substantiate any claims that may be made regarding its use.The details of any action granting approval of an alternate shall be written and entered in the files of the code enforcement agency. B.Modifications:Whenever there are practical difficulties involved in carrying out the provisions of this ordinance,the Administrator may grant modifications for the individual cases, provided they shall first find that a special individual reason makes the strict letter of the code impractical,and that the modification is in conformity with the intent and purpose of this code,and that such modification: 1.Will meet the objectives of safety,function, appearance,environmental protection,and maintainability intended by this code,based on sound engineering judgement. 2.Will not be injurious to other property(s)in the vicinity. C.Tests:Whenever there is insufficient evidence of compliance with any of the provisions of this code or evidence that any material or construction does not conform to the requirements of this code,the Administrator may require tests as proof of compliance to be made at no expense to this jurisdiction. Test methods shall be as specified by this code or by other recognized test standards.If there are no recognized and accepted test methods for the proposed alternate,the Wastewater Utility shall determine test procedures. 12 ORDINANCE NO,.4343 Suitable performance of the method or material may be evidence of compliance meeting the testing requirement. D.Appeals:Any decisions made in the administrative process described in this ordinance may be appealed to the Board of Public Works within fifteen (15)days and filed,in writing,with the Board Chairman or Secretary.The Board of Public Works shall give substantial weight to any discretionary decision of the City rendered pursuant to this chapter. SECTION II.This Ordinance shall be effective upon its passage,approval,and thirty days after its publication. PASSED BY THE CITY COUNCIL this 3rd day of February,1992. Clerk APPROVED BY THE MAYOR this 3rd City Attorney Date of Publication:February 7,1992 ORD.217:2j03/92:as. 13 of February,1992.