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(3) No water service connection to any premises of a type specified in <br />subsection (i) of this section shall be installed or maintained unless the public water <br />supply is protected as required by applicable state regulations and this section. <br />(c) Approval. <br />(1) Each backflow preventer required hereunder shall be approved by the <br />agency prior to installation and shall be installed by and at the expense of the customer <br />for continued service or before a new service will be granted. <br />(2) The agency shall approve a device when the device has received <br />approval by the Foundation for Cross -Connection Control and Hydraulic Research of <br />the University of Southern California (or other qualified organization as designated by <br />the agency), and will provide desired service and reliability. The agency shall provide, <br />upon request, to any affected customer, a list of approved devices. <br />(d) Installation. <br />(1) Devices shall be installed as close as practical to the customer's service <br />connection and shall be installed above grade in an accessible location approved by the <br />agency. <br />(2) Devices shall have at least the same cross-sectional area as the water <br />meter. In those instances where it is determined that a continuous water supply is <br />necessary, two (2) sets of devices shall be installed in parallel. Where parallel devices <br />are required, the sum of the cross-sectional areas of the devices shall be at least <br />equivalent to the cross-sectional area of the meter. <br />(e) Maintenance, testing, and records. <br />(1) The customer shall test and service such devices at least once a year and <br />immediately after installation, relocation, or repair. A report, in a form acceptable to the <br />agency, which sets forth the results of such test(s) shall be filed immediately with the <br />agency. The agency may require a more frequent testing schedule if it is determined to <br />be necessary and all costs shall be borne by the customer. <br />(2) Devices shall be serviced, overhauled or replaced whenever they are <br />found to be defective. All costs of such service, overhaul or replacement, including <br />testing, repair, and maintenance shall be borne by the customer. The agency may <br />require device information, such as location and pictures, to be submitted with the test <br />forms. <br />(3) The agency will supply affected customers with a list of persons <br />acceptable to the agency to test devices. <br />Ordinance No. NS -XXX <br />Page 24 of 56 <br />75A-26 <br />