Backflow preventer test procedure

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Backflow Testing Procedures American Backflow

  • Backflow Testing Procedures Annual backflow testing is a requirement set forth by your local water purveyor
  • To verify which association’s testing procedures to use, contact your local water purveyor
  • We have compiled the most common backflow testing procedures and made them easily accessible below.   DA: 17 PA: 26 MOZ Rank: 44


  • At the completion of the forward flow performance test, conduct the backflow performance test
  • When both performance tests have been completed and the test results indicate the backflow preventer has passed all test requirements, the system is ready to be placed into service
  • Fill out City of Rockwall Backflow Prevention assembly Test Report.   DA: 19 PA: 42 MOZ Rank: 63

Test Procedures for Reduced-Pressure Backflow and Reduced

  • Test Objective, Method, and Reporting Requirements: The first test objective is to deter-mine the initial opening point and operation of the differential pressure relief valve by increasing the pressure in the area between the two check valves (the zone of reduced pressure)   DA: 17 PA: 50 MOZ Rank: 70

Backflow Prevention Assembly Field Test Procedures

Transition Plan for Field Implementation of USC Tenth Edition Test Procedures State drinking water rules require backflow prevention assemblies that protect public water systems to be tested by state Department of Health-certified backflow assembly testers (BATs) using field test procedures acceptable to the department (WAC 246-290-490).   DA: 14 PA: 50 MOZ Rank: 68

Backflow Preventer Test Kit

  • Test Procedure Reduced Pressure Zone AssemblyField Test Equipment RequiredReduced Pressure Zone Backflow Preventer Test Kit Test No
  • 1 Purpose: To test check valve No. 2 for tightness against re-verse …   DA: 20 PA: 12 MOZ Rank: 37

CPCC Field Test Procedures 8-2005

  • approved field test procedures for backflow prevention assemblies preparation (notify, identify, observe & inspect) 1
  • obtain permission from the owner or representative to shut down the water supply
  • just prior to testing, the customer should be notified that the water service will be discontinued temporarily   DA: 15 PA: 49 MOZ Rank: 70

Manual Backflow Preventer Test Kit TK 9A

  • 1 - Testing valve 5 Aim: testing whether valve 5 is leak tightened
  • Valve 5 must be fully closed in order to perform tests no
  • Connect the test kit (see page 2: “Connecting test kit”)
  • Check whether: • valves A, B and C are closed
  • • test valves 1, 2 and 3 are   DA: 23 PA: 32 MOZ Rank: 62

Online Backflow review and test page

Backflow Power Point reviews and tests, free online Backflow 100 questions Quiz, ASSE one hose test procedures, DNR Requirements, DNR forms   DA: 26 PA: 29 MOZ Rank: 63

The New Field Testing Backflow Preventers

  • In field testing the reduced pressure principle backflow prevention assembly it is critical that the relief valve opening point be determined before exercising the relief valve
  • In the preliminary steps of the field test procedure it is possible to accidentally activate the relief valve
  • When this happens the relief valve is exercised
  • If the relief valve had been stick-ing, exercising it may have loosened it up so that the reading recorded at the time of testing …   DA: 14 PA: 50 MOZ Rank: 73

The Trouble with Backflow Prevention Assembly Test Procedures

  • The Backflow Prevention Manufacturers Association (BPMA) has lobbied several of these organizations to work together and create a single test procedure for each assembly
  • They even suggested bringing a shredder and symbolically eliminating all test procedures and start from scratch to develop a single procedure.   DA: 29 PA: 50 MOZ Rank: 89

How to Test a Backflow Prevention Device

  • Testing a backflow prevention device with a three needle differential test
  • For additional information on testing backflow prevention devices and cross-conn   DA: 15 PA: 6 MOZ Rank: 32

Sample Backflow Preventer Inspection and Field Test Report

  • The Waterworks Operator Certification Rule (effective January 4, 2014) includes a section on backflow preventer inspection and field test report content ( WAC 246-292-036 )
  • We’ve developed a sample test report to complement the rule
  • This report should help backflow assembly testers (BATs) and water systems comply with the minimum test   DA: 14 PA: 50 MOZ Rank: 76

Cross-Connection Control Manual

  • If appropriate back-flow prevention measures have not been taken, the water purveyor shall take or cause to be taken necessary measures to ensure that the public water distribu-tion system is protected from any actual or potential backflow hazard
  • Such action would include the testing, installation, and continual assurance of proper operation   DA: 11 PA: 50 MOZ Rank: 74

IS-TK-DL Instructions Watts TK-DL

  • The following Test Procedure is one of several that is recognized throughout the United States for verification of the functioning of Backflow preventers
  • The following procedure is not a specific recommendation
  • The Watts series of test kits are capable of performing any of the recog-nized Backflow test procedures   DA: 20 PA: 12 MOZ Rank: 46

Backflow Prevention Practice Exam Flashcards Quizlet

  • If testing a backflow preventer using a differential gauge and a single hose, it is important to ____? A
  • Keep the high and low manifold valves open B
  • Maintain the gauge and hose connections at the same height as the assembly C
  • Open the high-pressure bleed valve before opening a test cock D
  • Open the low-pressure and bypass control valves   DA: 11 PA: 50 MOZ Rank: 76

Understanding Backflow Testing Procedures Backflow Prevent

  • When testing the actual devices that prevent backflow from occurring, the test procedures involve using the gate valves and relief valves on the backflow testing device
  • Essentially, the tester will be closing valves and checking for points where there is a differential gauge movement, water leakage, and other clear signs.   DA: 26 PA: 43 MOZ Rank: 85

Cross-Connection Control

  • Tennessee Approved Test Report; List of Approved Backflow Prevention Assemblies (The State of Tennessee utilizes the most current USC Foundation for Cross Connection Control list of approved assemblies) State Approved Test Procedures
  • Test Procedure - 3 Valve Test Kit
  • Reduced Pressure Principle Assembly, 3 Valve Test Kit (video)   DA: 10 PA: 50 MOZ Rank: 77

Backflow Prevention & RPZ Testing Requirements

  • PMC provides backflow prevention or RPZ testing calibration
  • As an ISO/ IEC 17025 accredited calibration lab, we test the entire RPZ tester to check for leaks or other problems that could occur with the valves
  • Schedule your RPZ tester calibration today.   DA: 24 PA: 46 MOZ Rank: 88

How To Troubleshoot A Reduced Pressure Backflow Prevention

  • When a Certified Backflow Tester shows up to test your backflow assembly, the tester will go through the test procedures and chronologically eliminate all these scenarios one-by-one
  • After finding the problem the certified tester/repairer prepare a test form giving the owner some valid differential readings across the first and second check and   DA: 29 PA: 50 MOZ Rank: 98

Title: Backflow Prevention / Cross Connection

  • backflow, which is the flow of liquid or gas opposite the intended direction
  • Backflow preventers protect the entire drinking water supply from contamination
  • The National Primary Drinking Water regulations set standards for the treatment of potable water including process control, sampling, and permitting.   DA: 27 PA: 50 MOZ Rank: 97

Backflow Preventers & Cross Connection Control

  • Box 96016 Baton Rouge, LA 70896-6013
  • Baton Rouge Water Company's Backflow Prevention and Cross-Connection Control Program
  • Louisiana Department of Health's Backflow Prevention Regulations
  • 2015 International Plumbing Code Backflow/Cross-Connection Control Requirements   DA: 11 PA: 50 MOZ Rank: 82

RP/IS-909S Installation, Maintenance

  • and allow the backflow preventer to fill slowly
  • When backflow preventer is filled, slowly open the downstream shutoff and fill the water supply system
  • This is nec-essary to avoid dislodging O-rings or causing damage to internal components
  • est:T The 909 and LF909 Series backflow preventer must be   DA: 25 PA: 46 MOZ Rank: 93

USC Foundation for Cross-Connection Control and Hydraulic

  • The first time the instructor leads the students through the field test procedure, the students are able to follow along with the dozens of backflow preventers present
  • There are plenty of gages and backflow preventers available throughout the week for the students to …   DA: 14 PA: 12 MOZ Rank: 49

ZURN WILKINS BACKFLOW Reduced Pressure Zone Device

  • Flush water through test cocks #1, #2 (open #2 slowly), #3 and #4 by opening and closing each test cock one at a time, to eliminate foreign material
  • Install appropriate fittings to test cocks
  • Attach hose from the high side of the differential pressure gauge to the #2 test cock then attach hose from the low side of the gauge   DA: 15 PA: 50 MOZ Rank: 89

Solutions for the Overlooked Forward-Flow Test

  • The Test Requirement NFPA 25 (2002 Edition Section, 2008-2014 Section, 2017 Section requires annual testing of the backflow preventer at the designated system flow rate, including hose demand, where hydrants or inside hose stations are located downstream of the backflow preventer
  • Where a means is not provided at maximum demand, test shall be …   DA: 17 PA: 50 MOZ Rank: 92

Backflow Prevention Quiz » Working Pressure

  • According to the ASSE International Plumbing Dictionary, working pressure is the maximum pressure in a water piping system allowable under normal working conditions
  • Likewise, test pressure is the pressure applied to equipment to test its ability to operate safely at its rated working pressure.   DA: 26 PA: 21 MOZ Rank: 73

2015 International Plumbing Code (amended) Backflow/Cross

  • The testing procedure shall be performed in accordance with one of the following standards: ASSE 5013, ASSE 5015, ASSE 5020, ASSE 5047, ASSE 5048, ASSE 5052, ASSE 5056, CSA B64.10.1, USC’s FCCC & HR’s “Manual of Cross-Connection Control”, or UFL’s TREEO’s “Backflow Prevention – Theory and Practice”   DA: 10 PA: 50 MOZ Rank: 87

Model 975XL2 LEAD-FREE*

  • Test #1 check valve for tightness and record pressure drop across #1 check valve
  • Requirement: The static pressure drop across #1 check valve shall be greater than the relief valve opening point (test #1), and at least 5.0 psid
  • Close by-pass valve "A" 2
  • Close test cock #4, and disconnect "VENT" hose from test cock #4   DA: 12 PA: 50 MOZ Rank: 90

Residential Cross Connection Program Canton Township, MI

  • Homeowners who choose to install a lawn irrigation system as a convenience are responsible to assure the backflow preventer is properly installed and maintained in accordance with State laws and regulations
  • Can any plumber test my irrigation backflow devices? No
  • Only a certified tester approved by the State of Michigan can conduct the test.   DA: 17 PA: 42 MOZ Rank: 88

Backflow Testing & Prevention in Myrtle Beach Dependable

  • Backflow Testing & Prevention in Myrtle Beach Keep Your Water Clean by Keeping Sewage Away
  • Backflow is a potentially dangerous problem that can make your water unsafe for your family to drink and bathe in
  • Unfortunately, determining whether you have a backflow problem in your system can be difficult without professional help   DA: 25 PA: 47 MOZ Rank: 20

Backflow Prevention Devices

  • Backflow Prevention Device Installation & Testing Procedure
  • Submitting the Plan and Device Installation
  • To install a backflow prevention device, you must hire a Professional Engineer (PE) or Registered Architect (RA) to prepare a backflow prevention plan for your property
  • The PE or RA will send the plan (s) to DEP for approval.   DA: 12 PA: 46 MOZ Rank: 89

Backflow Certification – Maryland PHCC

  • Recognizing proper backflow prevention assembly application and operation is stressed
  • A complete understanding and ability to perform accepted field test procedures for all backflow prevention assemblies are required for Certification
  • The University of Florida (TREEO) Backflow Prevention Theory and Practice book is used in the course   DA: 16 PA: 24 MOZ Rank: 72

Backflow Prevention Testing Nassau County NYS Certified

  • Nassau County in Long Island, NY, demands backflow testing on a yearly basis to ensure water is safe to consume
  • As a certified NYS backflow tester, I will ensure that your device is tested properly and submit all paperwork required by the county.   DA: 19 PA: 19 MOZ Rank: 71

Backflow Preventer Testing City of Surrey

  • Contact a tester certified by BCWWA with a valid City of Surrey business license to test your backflow preventer
  • A certified tester uses appropriate calibrated testing equipment, accepted procedures required by the City of Surrey Cross Connection Control Standards , to determine if the assembly is working properly, or if it requires repair or   DA: 13 PA: 50 MOZ Rank: 97

Texas Commission on Environmental Quality Form TCEQ …

  • Annual testing of backflow prevention assemblies (those installed to protect against health hazards) or differential pressure gauges is to occur no more than 12 months from the last test date
  • A tester’s license is based on the testing procedures described in the University of Southern California’s 10th edition manual.   DA: 18 PA: 50 MOZ Rank: 15

NJDEP-Division of Water Supply & Geoscience

  • Testing must be completed by a certified tester with a valid backflow prevention device tester certificate (see below)
  • New Jersey regulations require a physical connection permit be obtained by the owner of a facility containing an unapproved water supply and a public community water supply (Permits are not required for private residences).   DA: 10 PA: 33 MOZ Rank: 79

6606 Tussing Road P.O. Box 4009 Reynoldsburg, Ohio 43068

  • Box 4009 Reynoldsburg, Ohio 43068-9009 (614) 644-3153 FAX (614) 995-1146 Backflow Prevention & Cross-Connection Control Manual For the Education of Ohio Certified Backflow Prevention   DA: 12 PA: 44 MOZ Rank: 93

Backflow Certification Training in Waterford, MI

  • At Michigan Backflow Institute in Waterford, MI, you will receive the best backflow prevention training in Michigan
  • We offer 40-hour classes, as well as recertification and repair classes.
  • We are Michigan’s most comprehensive backflow school and one of the few in the state that uses both online testing and conventional classrooms for the comfort of our students.   DA: 29 PA: 29 MOZ Rank: 96

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