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Application Notes - Data Loggers

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APPLICATION NOTES

Hydrostatic Pressure Testing Requirements for Water Distribution System Installation or Replacement

Contractors are required to either test or hire certified testing companies to perform pressure and leakage testing in accordance with the applicable AWWA Standards and Specifications. The testing company is required to submit certified leakage testing results to the system operators or owners READ MORE...

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APPLICATION NOTE - Printable version here

Hydrostatic Pressure Testing Requirements for Water Distribution System Installation or Replacement

January 2020    Tim French, Technical Sales Manager, Amherst New Hampshire

Contractors are required to either test or hire certified testing companies to perform pressure and leakage testing in accordance with the applicable AWWA Standards and Specifications. The testing company is required to submit certified leakage testing results to the system operators or owners for each section of water main tested. All water mains, appurtenances, and hydrant branches must be pressurized by the testing company to a minimum of 1½ times the normal working pressure of the water main or 150 psi, whichever is greater, for at least 2 hours. If a section of water main piping fails pressure and leakage testing, the contractor is required to repair or replace the defective section of pipe, fitting, valve, or joint. The testing company shall then conduct additional testing until satisfactory test results are achieved.

Monarch Instrument’s Pressure Data Loggers are the ideal tool for measuring, recording pressure, and generating reports for these tests. Our reliable, accurate, field-proven instruments are the Professionals Choice for this requirement.

 The American Water Works Association (AWWA) provides information in both video and as printed manuals on Hydrostatic Testing and best practices including the following materials:

• Concrete Pressure Pipe (M9),
• Steel Pipe (M11),
• PVC Pipe (M23),
• Ductile-Iron Pipe (M41), and
• PE Pipe (M55

Demonstrating best practices for:

• Flushing and cleaning new pipe prior to testing
• Bleeding trapped air
• Bracing and thrust blocking
• Filling and pressuring pipelines
• Test pressures and durations for various pipe types
• Allowable leakage, if any
• Measuring makeup water
• Variations in test procedures for each type of pipe
• Disinfecting pipes prior to putting into service
• Record keeping

See the LINKS below for access to Hydrostatic Testing and other valuable AWWA resources

AWWA Members receive a significant discount on training materials

Understanding more about Pressure Loggers.
Which one is the right one for me?

 

• AWWA Field Guide: Hydrostatic Testing

• Water Distribution Operator Training: Hydrants

• AWWA Field Guide: Hydrant Flow Tests

• AWWA Field Guide: Valve Operation And Maintenance


• Repairing & Replacing Fire Hydrants

• Water Main Disinfection And Dichlorination

Contact us at sales@monarchinstrument.com or 603-883-3390. Our products are designed, manufactured, and serviced in our facility at 15 Columbia Drive, Amherst, NH 03031 USA.


Monarch Instrument
   sales@monarchinstrument.com