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06/09/2008 <br /> C. Billing for Testing. <br /> The cost of any certified inspection or operational test performed by Public Works <br /> Services Personnel or by a contractor hired by the Director shall be included as <br /> part of the next ensuing municipal water bill presented to the customer-user. <br /> D. Frequency of Testing. <br /> Tests shall be made immediately upon the installation or relocation of backflow <br /> prevention assemblies and at least once per year thereafter. In those instances <br /> where the Director determines there is a high degree of hazard, such as a <br /> chemical plant, certified inspections may be required at more frequent intervals. <br /> E. Test Failure. <br /> For backflow prevention assemblies which fail to pass certified inspection or <br /> operational testing, the customer-user shall, immediately after notification of test <br /> results, provide for maintenance and repair of the assembly at their own expense <br /> and have the assembly retested. <br /> F. Approved Testers. <br /> No person shall test or shall make reports on backflow prevention assemblies as <br /> required in Title 17 of the California Administrative Code and this Article unless <br /> such person has received a "Certificate of Competency" issued by the Director. <br /> 1. In order to ensure that testing of backflow prevention assemblies is <br /> performed by technically competent individuals who are personally <br /> responsible and, if other than self-employed, are employed by persons <br /> and / or organizations which are also responsible, the Director is <br /> authorized to require backflow prevention testers to show evidence that <br /> such persons possess a valid contractors license, a Redwood City <br /> business license, currently valid Backflow Prevention Testers Certificate <br /> issued by the American Water Works Association for any persons who will <br /> perform such tests and currently valid calibration certifications for any <br /> differential pressure gauges to be used for the purpose of testing backflow <br /> prevention assemblies. <br /> 2. The Director may conduct examinations to determine the competency of <br /> any person desiring to test and make reports on backflow prevention <br /> assemblies hereinbefore described. Those persons who have successfully <br /> completed such an examination, and who have been determined by the <br /> Director to be competent to test and make reports on backflow prevention <br /> assemblies shall receive from the Director a "Certificate of Competency." <br /> 3. The approval procedures shall require each prospective tester to submit <br /> an application to the Director providing such information as the Director <br /> ATTY/ORD/ORD.305 ORD.2331 <br /> 041608 8 FORMERLY MUFF#802 <br />