![]() In this research, a flow partitioning structure, FPS, designed, carried out, and installed downstream a sluice gate to apportion the cross sectional area of the flow and, then, increase the resistance of the friction force by increasing the walls of flow. One of the ways of moving the jump into a closer distance from the outlets is to raise the tail water level. The location of the jump downstream the hydraulic structures outlets is an important parameter taken into considerations within the construction of the downstream protection works. ![]() Hydraulic jump, Flow partitioning structure, Converging distance, Energy dissipation Abstract The HDPE Municipal Advisory Board (MAB-03 2019) recommends that new HDPE water mains should be disinfected in accordance with the procedures outlined in AWWA C651 (Disinfecting Water Mains), using only solutions of liquid disinfectants and not powders or tablets.Water resources Engineering Dept., Faculty of Engineering, University of Kufa The contractor shall decide which disinfection method to use for a given project. The Slug Method and Spray Method (per AWWA C651) are also acceptable if better suited for disinfection. The plan shall comply with AWWA C651 (Disinfecting Water Mains) and AWWA C655 (Field Dechlorination), latest editions, and shall be developed using one of the following templates, unless otherwise approved by the Design Engineer and/or Austin water: This section describes methods of disinfecting newly constructed potable water mains mains that have been removed from service for planned repairs or for maintenance that exposes them to contamination mains that have undergone emergency repairs because of physical failure and mains that, under normal operation, continue to show the presence of coliform organisms. Plan for Disinfecting Potable Water Mains The site includes Pipeline Engineering’s scope of responsibility local and state development requirements various checklists and forms information on Capital Improvement and General Permit Projects and links to the technical manuals required for compliant public water/wastewater design.
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