Laserfiche WebLink
�B <br /> Page 6 <br /> B. Backflow: The undesirabfe reversal of flow in a potable water distribution system <br /> as a result of cross connection. <br /> C. Backpressure: A pressure, higher than the supp(y pressure, caused by a pump, <br /> eleva#ed tank, boiler, or any other means that may cause backflow. <br /> D. Backsiphanage: 6ackflow caused by nega#ive or reduced pressure in the suppiy <br /> piping. <br /> E. Backflow Prevention Assembly: An assembly or means designed to prevent <br /> backflow. � <br /> F. City: The City of Redwood City <br /> G. Con#amination: An impairment of a potable water suppiy by the introduction or <br /> admission of any foreign substance that degrades the quality and creates a <br /> health hazard. <br /> H. Cr�ss Connectian: A connection or potential connection befinreen any part of a <br /> potabie water system and any other enviror�ment containing other substances in <br /> a manner tha#, under any circumstances would allow such substances to enter <br /> the potable water system. Other substances may be gases, liquids, or solids, <br /> such as chemicals, waste products, steam, water from other saurces (potable or <br /> non potablej, or any matter that may change the color, add odor, or in any way <br /> change the quali#y pf#he potable water system. <br /> I. Customer-User: Any person or organization with whose premise contains a <br /> customer water system and who receives water or water service from the City's <br /> water system and whose name appears on the water bill for wate� serving that <br /> premise. <br /> J. Director: Director of Public Works Services for the City or authorized <br /> representative. <br /> K. Hazard, Degree of: The terrn is deriveci from an evaluatian of the potentia! risk to <br /> public hea�th and #he adverse effect of the hazard upon the patable water <br /> system. <br /> L. Industrial-Fiuids Systems: Any system containing a fluid or solution that may be <br /> chemically, bialogically, or otherwise contaminated or polluted in a form or <br /> concentration, such as would constitute a health, systern, po!lution, or piumbing <br /> hazard, if introduced into an appraved water suppfy. This may include, but not <br /> be limited to, pofluted or contaminated watet-s; all types of process waters and <br /> used waters originating from the pub(ic potable water system that may have <br /> deteriarated in sanitary quality; c�emicals in ffuid form; plating acids and alkalies; <br /> circulating coaling water connected to an open cooling tower; and 1 or cooling <br /> ATTY/ORD/ORD.305 <br /> 041608 3 <br />