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FF. Pressure Vacuum Breaker Assembly(PVBA) An assembly consisting of an <br /> independently operating internally loaded check valve, an independently operating <br /> loaded air inlet valve located on the discharge side of the check valve, with <br /> properly located resilient-seated test cocks and tightly closing resilient-seated <br /> shutoff valves attached at each end of the assembly designed to operate under <br /> pressure for prolonged periods of time to prevent backsiphonage. The pressure <br /> vacuum breaker may not be subjected to any back pressure. <br /> GG. Program means the Batesville Water Utilities Cross Connection Program. <br /> HH. Responsible Managing Employee (RNIE) means an individual or individuals <br /> who shall be designated by each company that plans, sells, installs, maintains, or <br /> services a fire protection sprinkler system on a full time basis to assure that each <br /> fire protection sprinkler system as installed, maintained, or serviced meets the <br /> standards as provided by state law. <br /> II. Reduced Pressure Zone Assembly (RPZA) means a backflow prevention <br /> assembly consisting of four test cocks, two shut-off valves, two independently <br /> operating, spring loaded check valves with a reduced pressure zone between the <br /> checks valves. The zone contains a relief port which will open to atmosphere if the <br /> pressure in the zone falls within 2 psi of the supply pressure. The assembly <br /> provides protection against both backpressure and backsiphonage. <br /> JJ. Retrofit means replacement of an existing device or backflow prevention <br /> assembly when the specifications or condition of the device or assembly are not <br /> adequate for the degree of hazard found on the property as defined by this <br /> program. <br /> KK. Service Connection means a piping connection between the water main of BWU <br /> and a consumer's system. <br /> LL. UL means Underwriter Laboratories. <br /> Section 2.0 AUTHORITY OF APPROVING AUTHORITY shall be modified to read as <br /> follows: <br /> The Approving Authority shall administer the Program, and may designate individuals to <br /> conduct the Program. <br /> A. The Approving Authority is hereby authorized to: <br /> • 4 <br />