Backflow Prevention Assembly Tester Registration Instructions List of Backflow Prevention Assembly Testers Water Protection Hazard List Approved Backflow Prevention Assemblies List Test and Maintenance Requirements Contact Info 512-972-1060 ext. ?H!H2@5H0 -.l>@Lu ut&30 c sent directly to you and the Licensed BPA testers are also listed in our, TCEQ requires you to have a licensed BPA tester check the BPAwhen it is installed on your irrigation system. What is a Backflow Preventer? (+Testing Requirements) How can backflow be prevented? Potential contamination can make extra protection necessary for landscape irrigation systems, spas, swimming pools, solar water heating systems, or even a bucket of soapy water being filled by a garden hose. Vaults must accommodate 6-feet of vertical headroom or have hinged double door opening frame and covers that accommodate the entire lay length of the assembly. Backflow Prevention | Charleston Water System, SC - Official Website Maintenance requirements include regular testing based on the type of device being used. 13. For horizontal installations, and for assemblies which are not approved for vertical up installation, the riser must be equipped with a single 90-degree elbow and the assembly is to be no more than the pipe diameter in inches beyond the centerline (or outlet side of the) elbow to accommodate horizontal installations, excepting only the addition of a wye-strainer, flood control shut off valve or other, necessary appurtenance. The relief-valve must be located 12 above the top of the vault drain opening. Providers are invited to offer quotes for work and can message you directly to understand the job specifics. State and/or City required premises-isolation backflow protection is a condition of water service or continued service where an existing service requires premises-isolation protection. Further, HWD does not assume or is booked, canceled, or Backflow assemblies installed on water services for fire use only; must be installed on private property at the property line (service connection/point-of-delivery as defined in the OAR) on the centerline of the city water service as it runs perpendicular from the R.O.W. {a$7@!!3ItPdQOx&V>K2[v:O2&Wi,a/%(&*KR&%lA2JE1"a&3"A DD1NuVU-EVV>}*fx+K!^UP|+Gpr,'H_Z9[9.rrU'A/{R/@8WW?.^Wy1iZ_'~A8UIyO32awJ{'3l}4{?jZF=P|l>}7WQu%XD"R'7s/[. Assemblies over 2 inches in size (includes 2-inch DCDA/RPDA) must be supported by rigidly mounted metal supports (Standon Pipe Supports or equivalent) underneath the shut-off valves at both ends of the assembly. Mail the original Backflow Prevention Assembly Certified Test Report complete by a Tester from the City of Houston Certified Tester List to: City of Houston Water Production Section, 7000 Ardmore, Houston, TX 77054 ATTN: Tom Nguyen. Existingcustomers whenever there is a reason to suspect that a hazard or a source of contamination may be present.

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