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.
|Published (Last):||21 February 2018|
|PDF File Size:||8.94 Mb|
|ePub File Size:||16.22 Mb|
|Price:||Free* [*Free Regsitration Required]|
Remove debris from within the pipe. Keep piping to be chlorinated isolated from lines in service and from points of use. Product details Paperback Publisher: Ascorbic Acid C 6 O 8 H 6 lb.
Amazon Drive Cloud storage from Amazon. The following table assumes an average test pressure P of psi, number of pipe joints N per 1, feet of test section based on 18 foot pipe lengths and no fittings. I’d like to read this book on Kindle Don’t have a Kindle? Your recently viewed items and awwz recommendations. Sodium Sulfite Na 2 SO 3 lb. Retain chlorinated water in the pipe for at least 24 hours and no more than 48 hours. Notify the Engineer two working days in advance of testing or disinfection operations to coordinate the operations.
The sequence of testing and disinfection may be modified with approval of the Engineer.
Dechlorinate highly chlorinated water from testing before releasing into the ground or sewers. Maximum Allowable Leakage Rate. If the measured pressure loss does not exceed 5 psi, the test will be considered acceptable.
Dispose of chlorinated water to prevent damage to the environment. Do not pressurize to more than 5 psi over the test pressure at the highest point in the isolated system. Get fast, free shipping with Amazon Prime. View or edit your browsing history. Withoutabox Submit to Film Festivals. 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 pipe diameters of a closed end, if there is no connection to an existing system.
Put the completed water system in service only after obtaining permission from the Jurisdiction. Use this method only if approved by the Engineer.
– TESTING AND DISINFECTION
Number of Taps 2. Obtain Jurisdiction approval prior to flushing activities.
Check with the local sewer department for the conditions of disposal to the sanitary sewer. Would you like to tell us about a lower price? There’s a problem loading this menu right now. Share your thoughts with other customers. If you are a seller for this product, would you like to suggest updates through seller support? Obtain a minimum flushing velocity of 2.
Pressurize the new wwwa to the test pressure at the highest point in the isolated system. Amazon Renewed Refurbished products with a warranty.
Protect public and private property from damage during flushing operations.
AmazonGlobal Ship Orders Internationally. Sulfur Dioxide SO 2 lb. Flush pipe using potable water until chlorine residual equals that of the existing potable water system. Ensure all trapped air is removed. East Dane Designer Men’s Fashion. Be the first to review this item Would you like to tell us about a lower price? Amazon Restaurants Food delivery from local restaurants. Test and monitor the completed piping system at 1.
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. Explore the Home Gift Guide. Chlorine residual of water being disposed will be neutralized by treating with one of the chemicals listed in the following table. All disinfecting agents to be NSF 60 certified.
Shopbop Designer Fashion Brands. If the average measured leakage per hour exceeds the maximum allowable leakage rate, repair and retest the water main. Accurately measure the amount of water required to repressurize the system to the test awwaa.