BACKFLOW PREVENTER Sample Clauses

BACKFLOW PREVENTER. Applicant shall provide at its cost a Reduced Pressure back-flow assembly to be fixed to the fire hydrant meter during the entire time of usage. If the RP and/or meter is removed from the hydrant the RP assembly must be recertified. Applicant shall provide Company with approved backflow assembly information as well as documentation of the backflow testing data results showing the assembly has passed testing. This information shall be submitted to Liberty Utilities (Litchfield Park Water & Sewer) Corp., Attn: Xxxxxx Xxxxx, Regularity Technician, 00000 X. XxXxxxxx Road, Goodyear, Arizona 85395, (000) 000-0000. No usage of the construction water meter shall occur until the Company has approved the passing backflow assembly information and testing data to ensure it is approved for use on the Company’s water system. ALL RP ASSEMBLIES ARE REQUIRED TO HAVE METAL SUPPORT STANDS FOR LEVELING AND MUST BE A MINIMUM OF 12” FROM THE GROUND.
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BACKFLOW PREVENTER. In any instance where water is used from a hydrant or other public water supply source, the contractor shall protect the public water supply by means of an appropriate backflow preventer. Where the hose or outlet will be above the elevation of the water source, the contractor shall use a reduced pressure zone (rpz) backflow preventer. If a ¾” or smaller hose supply is required a vacuum breaker-backflow preventer may be used. Where the hose and outlet will always be below the elevation of the water source, an atmospheric vacuum breaker may be used. The backflow preventer shall be connected to the hydrant in compliance with section 2.8.12 and shall be self-supporting imposing no load on the hydrant.
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BACKFLOW PREVENTER. A. Reduced pressure principle device consisting of two independently operating spring loaded check valves and one hydraulically dependent differential relief valve.
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BACKFLOW PREVENTER a device to prevent backflow. As there are two conditions of backflow, the device should be identified by the conditions which it is designed to prevent. (See Back-Pressure Backflow Presenter, Reduced Pressure Principle Backflow Preventer, Back-Siphonage Backflow Preventer). BACK-SIPHOHAGE BACKFLOW - a reversal of the normal direction of flow in the pipeline due to a negative pressure (vacuum) being created in the supply line with the backflow source subject to atmospheric pressure. BACK-SIPHONAGE BACKFLOW PREVENTER, GENERAL - a device or combination of devices for preventing back-siphonage backflow in a water supply line. BAROMETRIC LOOP - a fabricated piping arrangement rising at least thirty- five (35) feet at its topmost point above the highest fixture it supplies. It is utilized in water supply systems to protect against back-siphonage. BY-PASS - any system of piping or other arrangement whereby the water may be diverted around any part or portion of a water supply or treatment facility including, but not limited to, around an installed backflow preventer. COMMERCIAL DISHWASHER - a mechanical ‹dishwasher that is used in other than domestic applications. CONTAINMENT - a method of backflow prevention which requires a backflow prevention device or method on the water service pipe to isolate the customer from the water main. CONTAMINATION - the introduction into water of microorganisms, chemicals, toxic substances, wastes or wastewater that makes the water unfit for its intended use. CROSS CONNECTION - any connection or arrangement by means of which contaminant of any kind can be caused to enter the potable water supply system. DEGREE OF HAZARD - the term is derived from an evaluation of the potential risk to public health and the adverse effect of the hazard upon the potable water. 1999 Louisiana Amendments io the f994 Standar:I Plumbing Codas 151 DOUBLE CHECK VALVE ASSEMBLY - an assembly of two (2) independently operating spring loaded check valves with tightly closing shut off valves on each side of the check valves, plus properly located test cocks for the testing of each check valve. DOUBLE CHECK VALVE WITH INTERMEDIATE ATMOSPHERIC VENT - a device having two (2) spring loaded check valves separated by an atmospheric vent chamber. DUAL CHECK VALVE - two \2) spring loaded, independently operating check valves without tightly closing shut-off valves and test cocks. Generally employed immediately down stream of the water meter. r v backflow orevention de...
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BACKFLOW PREVENTER. (1) Provide new 4" backflow preventer and 2" inch protected bypass.
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