§ 51.043  INDUSTRY SPECIFIC PRETREATMENT REQUIREMENTS; EXEMPTIONS.
   The following additional pretreatment requirements and exemptions shall apply to the specific activities and industries described below.
   (A)   Commercial food preparation. Any person engaged in commercial food preparation including, without limitation, food processors, bakeries, restaurants, schools, hospitals, retirement homes, grocery stores or other commercial food preparation operations shall construct, operate and maintain a pretreatment system in accordance with the requirements of this chapter.
   (B)   Vehicle wash facilities. Any person engaging in the commercial washing of motorized vehicles, whether utilizing automated equipment or handwashing, discharging or proposing to discharge to the POTW shall discharge through a pretreatment facility of a design, size and construction approved by the Director. The vehicle wash area shall be protected so that rain water does not enter the sanitary sewer.
   (C)   Minor vehicle maintenance areas. Areas where minor vehicle repairs such as engine tune-up, air conditioning repair, electrical repair, front end alignments, exhaust system replacement and repair, suspension system replacement and repair and brake system repair are performed may discharge floor wash water to the POTW through a pretreatment facility of a design, size and construction approved by the Director.
   (D)   Major vehicle maintenance areas and fluid change areas. Areas where major vehicle repairs such as engine dismantling, transmission repairs, hydraulic system repairs, differential repair and/or rebuilding of any of the above parts or fluid changing are performed shall not have a floor drain or other device where wastewater may discharge to the POTW unless a pretreatment system or process is provided that consistently produces an effluent that is in compliance with the standards established in this chapter. If a pretreatment system or process meeting the requirements of this chapter is not provided, all drainage from the areas shall discharge into a hold-haul tank of a design, size and construction approved by the Director and the contents thereof shall be disposed of according to applicable law. If a pretreatment system or process meeting the foregoing requirements is not provided, the major vehicle maintenance and fluid change areas shall be physically separated from any area that drains to the POTW.
   (E)   Steam cleaning and chemical cleaning facilities. Drainage from steam cleaning and/or chemical cleaning facilities shall not be discharged to the sanitary sewer unless a pretreatment facility or process is provided that consistently produces an effluent in compliance with this chapter.
   (F)   Pretreatment system maintenance documentation. Any person with a pretreatment system shall make the most recent waste hauler’s manifest available for inspection upon request by the industrial waste inspector.
(Ord. 970318A, passed 3-18-1997)  Penalty, see § 51.999