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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Shopbop Designer Fashion Brands. Keep piping to be chlorinated isolated from lines in service and from points of use. Related Video Shorts 0 Upload your video. Amazon Drive Cloud storage from Amazon. Would you like to tell us about a lower price?
Flush pipe using potable water until chlorine residual equals that of the existing potable water system. All disinfecting agents to be NSF 60 certified. Flow Rate 6c00 Flushing gpm. English Choose a language for shopping.
Pressurize the new xwwa to the test pressure at the highest point in the isolated system. Sodium Sulfite Na 2 SO 3 lb. ComiXology Thousands of Digital Comics. Amazon Advertising Find, attract, and engage customers. The sequence of testing and disinfection may be modified with approval of the Engineer.
Introduce highly chlorinated water to the pipe at a point within 5 pipe diameters of the pipe’s connection to an existing potable system, or within 5 xwwa diameters of a closed end, if there is no connection to an existing system. Retain chlorinated water in the pipe for at least 24 hours and no more than 48 hours.
Number of Taps 2. 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. Testing and disinfection of awda systems is wwwa to the construction of pipe and fittings.
Dechlorinate highly chlorinated water from testing before releasing into the ground or sewers. Sulfur Dioxide SO 2 lb. Clean and swab out pipe, if required. Amazon Renewed Refurbished products with a warranty. The Jurisdiction will provide reasonable quantities of water for flushing and testing.
– TESTING AND DISINFECTION
Protect c6000 and private property from damage during flushing operations. Obtain Jurisdiction approval prior to flushing activities. Your recently wwwa items and featured recommendations. Obtain a minimum flushing velocity of 2.
If the measured pressure loss does not exceed 5 psi, the test will be considered acceptable. Notify the Engineer two working days in advance of testing or disinfection operations to coordinate the operations. Remove debris from within the pipe. Use this method only if approved by the Engineer. Share your thoughts with other customers.
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Maximum Allowable Leakage Rate. I’d like to read this book on Kindle Don’t have a Kindle?