SECTION 4: HYDROSTATIC TESTING EXCERPTED FROM AWWA C AWWA STANDARD FOR INSTALLATION OF DUCTILE-IRON WATER MAINS. Standard ANSI/AWWA C, “Installation of. Ductile Iron Mains and Their Appurtenances,” includes much of the information outlined in this guide. AWWA. D. AWWA C, Ductile Iron Pipe Centrifugally Cast in Metal Moulds or G. AWWA C, Standard for Installation of Ductile-Iron Water Mains and Their.

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Ensure all trapped air is removed. If the average measured aawwa per hour exceeds the maximum allowable leakage rate, repair and retest the water main. Remove debris from within the pipe. Withoutabox Submit to Film Festivals. Get to Know Us. ComiXology Thousands of Digital Comics. All disinfecting agents to be NSF 60 certified. Supply and store in the original container.

If the initial disinfection procedure fails to produce satisfactory bacteriological results or if other water quality is affected, repeat the disinfection procedure. Obtain a minimum flushing velocity of 2. English Choose a language for shopping. Be the first to review this item Would you like to tell us about a lower price? If at any time during the test the pressure drops to 5 psi below the test pressure, repressurize the pipe by pumping in potable water in sufficient quantity to bring the pressure back to the original test pressure.



Share your thoughts with other customers. Sulfur Dioxide SO 2 lb. Write a customer review. Maximum Allowable Leakage Rate. Amazon Music Stream millions of songs. AmazonGlobal Ship Orders Internationally. Amazon Drive Cloud storage from Amazon. Amazon Advertising Find, attract, and engage customers. Modify the procedure for flushing, disinfection, and pressure and leak testing as needed if tablet method is used.

Ascorbic Acid C 6 O 8 H 6 lb. Your recently viewed items and featured recommendations. Pressurize the new pipe to the test pressure at the highest point in the isolated system.

Alexa Actionable Analytics for the Web. Flow Rate for Flushing gpm. If the measured pressure loss does not exceed awwwa psi, the test will be considered acceptable. Retain chlorinated water in the pipe for at least 24 hours and no more than 48 hours.

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Dispose of chlorinated water to prevent damage to the environment. Testing and disinfection of water systems is incidental to the construction of pipe and fittings. Test and monitor the completed piping system at 1. Do not pressurize to more than 5 psi over the test pressure at the highest point in the isolated system.

  ISO 17165 PDF

Keep piping to be chlorinated isolated from lines in service and from points of use. Product details Paperback Publisher: There’s a problem loading this menu right now. Get fast, free shipping with Amazon C600.

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Explore the Home Gift Guide. If you are a seller for this product, would you like to suggest updates through seller support? Would you like to tell us about a lower price? Dechlorinate highly chlorinated water from testing before releasing into the ground or sewers.

Amazon Restaurants Food delivery from local restaurants. Notify the Engineer two working days in advance of testing or disinfection aswa to coordinate the operations. Introduce highly chlorinated water to the pipe at a point within 5 pipe diameters of the pipe’s connection qwwa an existing potable system, or within 5 pipe diameters of a closed end, if there is no connection to an existing system.

Use this method only if approved by the Engineer.