Amending Various Sections of Chapter 17 Sewers & Water

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L 1 r 4 f { A r ► Board of Public Works or duly authorized officials or Boards acting in its behalf. (d) BUILDING (or House) DRAIN means the lowest horizontal piping of building drainage system which receives the discharge from waste, and other drainage pipes inside the walls of the building and conveys it to a point approximately five ( 5) feet outside the foundation wall of the building or house. 1. Building Drain [Sanitary] - A building drain which conveys sanitary or industrial sewage only. 2. Building Drain [Storm] - A building drain which conveys storm water or other clean water drainage, but no wastewater. (e) BUILDING (or House) LATERAL SEWER means the extension from the building drain to the sewage system or other place of disposal. (Also called house connections. ) 1. Building Sewer [Sanitary] - A building sewer which conveys sanitary or industrial sewage only. 2. Building Sewer [Storm] - A building sewer which conveys storm water or other clean water drainage, but no wastewater. (f) CARBONACEOUS BIOCHEMICAL OXYGEN DEMAND (or CBOD) of sewage, sewage effluent, polluted waters or industrial wastes shall mean the the rate at which microorganisms use the oxygen in water or wastewater while stabilizing decomposable carbonaceous organic matter under aerobic conditions. The laboratory determinations shall be made in accordance with procedures set forth in "Standard Methods" as defined in this article. (g) CFR means Code of Federal Regulations. (h) CHEMICAL OXYGEN DEMAND (or COD) of sewage, sewage effluent, polluted waters or industrial wastes is a measure of the oxygen consuming capacity of inorganic and organic matter present in wastewater. The laboratory determination shall be made in accordance with procedures set forth in "Standard Methods" . (i) CITY ENGINEER means the City Engineer of the City, or his authorized deputy, agent or representative. ( j ) COLLECTOR SEWER shall mean a sewer whose primary purpose is to collect wastewaters from individual point source discharges. (k) COMBINED SEWER shall mean a sewer intended to receive both wastewater and storm or surface water. ( 1) COMMERCIAL USER - shall mean any establishment involved in a commercial enterprise, business or service which based on a determination by the City discharges primarily segregated domestic wastes or wastes from sanitary conveniences. (m) COMPATIBLE POLLUTANT shall mean biochemical oxygen demand, suspended solids, pH and fecal coliform bacteria, plus additional pollutants identified in the NPDES Permit if the treatment works was designed to treat such pollutants and in fact does remove such pollutants to a substantial degree. The term substantial degree is not subject to precise definition, but generally contemplates removals in the order of 80 percent or greater. Minor incidental removals in the order of 10 to 30 percent are not considered substantial. Examples of the additional pollutants which may be considered compatible include: