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USE OF PUBLIC SEWERS
§ 51.075 DISCHARGE OF STORMWATER AND OTHER UNPOLLUTED DRAINAGE.
   (A)   No person shall discharge, or cause to be discharged, any stormwater, surface water, ground water, roof runoff, subsurface drainage, cooling water or unpolluted industrial process waters to any sanitary sewer.
   (B)   Stormwater and all other unpolluted drainage shall be discharged to the sewers as are specifically designated as combined sewers or storm sewers, or to a natural outlet approved by the Superintendent. Industrial cooling water or unpolluted process waters may be discharged upon approval of the Superintendent, to a storm sewer, combined sewer or natural outlet.
(Ord. G-58-34, passed 6-18-1958) Penalty, see § 51.999
§ 51.076 PROHIBITED DISCHARGES.
   Except as hereinafter provided, no person shall discharge, or cause to be discharged, any of the following described waters or wastes to any public sewer:
   (A)   Any liquid or vapor having a temperature higher than 150°F;
   (B)   Any water or waste which may contain more than 100 parts per million, by weight, of fat, oil or grease;
   (C)   Any water or waste which may contain more than 25 parts per million, by weight, of soluble oils;
   (D)   Any gasoline, benzene, naphtha, fuel oil or other flammable or explosive liquid, solid or gas;
   (E)   Any garbage that has not been properly shredded;
   (F)   Any ashes, cinders, sand, mud, straw, shavings, metal, glass, rags, feathers, tar, plastics, wood, paunch manure or any other solid or viscous substance capable of causing obstruction to the flow in sewers, or other interference with the proper operation of the sewage works;
   (G)   Any waters or wastes having a pH lower than five, or higher than nine, or having any other corrosive property capable of causing damage or hazard to structures, equipment and personnel of the sewage works;
   (H)   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 sewage treatment plant;
   (I)   Any waters or wastes containing suspended solids of the character and quantity that unusual attention or expense is required to handle the materials at the sewage disposal plant; or
   (J)   Any noxious or malodorous gas or substance capable of creating a public nuisance.
(Ord. G-58-34, passed 6-18-1958) Penalty, see § 51.999
§ 51.077 GREASE TRAPS AND GREASE INTERCEPTORS.
   (A)   Requirement. A grease trap or grease interceptor meeting the specifications in accordance with the Indiana Plumbing Code shall be installed in all food handling establishments. These establishments include restaurants, cafes, lunch counters, cafeterias, bars and clubs, hotels, hospitals, sanitariums, factories, churches, retirement homes, school kitchens or any other establishments where grease, fats or oils may be introduced into the drainage sewage system in quantities that can affect line stoppages or hinder sewage treatment. Grease interceptors located remotely outside a building which discharge into the public sewers shall be in accordance with the Indiana Plumbing Code requirements as are those grease interceptors located inside the building. Grease traps or interceptors are not required for individual dwelling units or for any private living quarters.
   (B)   Grease trap and interceptor size. The characteristics and size shall be determined by the requirements of the Indiana Plumbing Code.
   (C)   Maintenance and inspection. Traps and interceptors must be located so as to provide easy access for routine inspection, cleaning, repair and maintenance. All grease traps and interceptors shall be maintained by any person owning or controlling the property upon which a grease trap or interceptor is installed and the trap or interceptor shall be in continuously efficient operation at all times.
   (D)   System of maintenance and clean-out. The owner or operator shall develop and carry out a system of maintenance and clean-out of the devices, but all traps and interceptors shall be cleaned out a minimum of every six months, or sooner, if the owner or operator of the property knows or should have known that a shorter period of time is required to keep the grease trap or interceptor operating at all times at 90% or greater of rated peak efficiency, or the New Albany Wastewater Treatment Plant Director so notifies the owner or operator of the property that it deems a shorter period necessary.
   (E)   Reports to the New Albany Waste Treatment Plant. All persons required to install and maintain grease traps or interceptors shall develop and carry out this system of maintenance, clean-out and repair of such devices, and shall send to the New Albany Waste Water Treatment Plant a form certified by a licensed waste hauler that will include, but not be limited to, the following information:
      (1)   The required maintenance and clean-out of the trap or interceptor has been done and completed;
      (2)   The identity of the licensed plumber or waste hauler who cleaned and maintained the trap or interceptor; and
      (3)   The method and location of grease disposal.
   (F)   Modifications and exceptions. A modification or exception to this section must have the approval of the Building Commissioner and the Sewer Board, and must not be in conflict with the Indiana Plumbing Code.
(Ord. G-58-34, passed 6-18-1058; Ord. G-99-330, passed 6-17-1999; Ord. G-00-67, passed 12-4-2000; Ord. G-01-26, passed 8-6-2001) Penalty, see § 51.999
§ 51.078 REVIEW AND APPROVAL OF CERTAIN WASTES INTO PUBLIC SEWERS; PRELIMINARY TREATMENT.
   The admission into the public sewers of any waters or wastes, having a five-day biochemical oxygen demand greater than 400 parts per million, by weight; containing more than 450 parts per million, by weight, of suspended solids; containing any quantity of substances having the characteristics described in § 51.076; or having an average daily flow greater than 2% of the average daily sewage flow of the city, shall be subject to the review and approval of the Superintendent. Where necessary, in the opinion of the Superintendent, the owner shall provide, at his or her expense, the preliminary treatment as may be necessary to: Reduce the biochemical oxygen demand to 400 parts per million, and the suspended solids to 450 parts per million, by weight; reduce objectionable characteristics or constituents to within the maximum limits provided for in § 51.076; or control the quantities and rates of discharge of the waters or wastes. Plans, specifications and any other pertinent information relating to proposed preliminary treatment facilities shall be submitted for the approval of the Superintendent and of the state's Board of Health and no construction of facilities shall be commenced until approval is obtained in writing.
(Ord. G-58-34, passed 6-18-1958) Penalty, see § 51.999
§ 51.079 PRETREATMENT OR CONTROL FACILITIES.
   Where preliminary treatment facilities are provided for any waters or wastes, they shall be maintained continuously in satisfactory and effective operation, by the owner at his or her expense.
(Ord. G-58-34, passed 6-18-1958) Penalty, see § 51.999
§ 51.080 CONTROL MANHOLE; MEASUREMENTS, TESTS AND ANALYSES.
   (A)   When required by the Superintendent, the owner of any property served by a building sewer carrying industrial wastes shall install a suitable control manhole in the building sewer to facilitate observation, sampling and measurement of the wastes. The manhole, when required, shall be accessibly and safely located, and shall be constructed in accordance with plans approved by the Superintendent. The manhole shall be installed by the owner at his or her expense and shall be maintained by him or her so as to be safe and accessible at all times.
   (B)   All measurements, tests and analyses of the characteristics of waters and wastes to which reference is made in §§ 51.076 and 51.078, shall be determined in accordance with Standard Methods for the Examination of Water and Sewage and shall be determined at the control manhole provided for in division (A) of this section, or upon suitable samples taken at the control manhole. In the event that no special manhole has been required, the control manhole shall be considered to be the nearest downstream manhole in the public sewer to the point at which the building sewer is connected.
(Ord. G-58-34, passed 6-18-1958) Penalty, see § 51.999
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