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Unidirectional Water Main Flushing
Date: Thursday, August 21, 2008
Time: 8:00 AM - 3:30 PM
Location: Bellevue Service Center   >> Click here for directions
Cost: $60 (includes refreshments & lunch)
CEU's: 0.6
Registration Deadline: August 14, 2008
Registration Status: CLOSED
Description
Unidirectional Flushing (UDF) is the most effective way to clean water mains to improve water quality and maintain system capacity...and requires the least amount of water of all flushing methods.
  
Learn all about Unidirectional Flushing including:
 • Developing an effective program using water modeling software and GIS
 • Staffing requirements
 • Flushing processes
 • Discharge of water
 • Dechlorination methods
 • Data collection and evaluation
 • Water use efficiency recordkeeping
 • Customer communication

Class also includes:
 • Learn about the NPDES (National Pollutants Discharge Elimination System) program and how it affects water main flushing practices.
 • Learn how to comply with the ESA (Endangered Species Act) when flushing mains, cleaning reservoirs, and performing other maintenance tasks.
 • Receive detailed instructions on how to perform Unidirectional Water Main Flushing.

Instructors
 • Mike Graves from the City of Bellevue will discuss the NPDES program and how it relates to flushing, reservoir cleaning, and other maintenance and repair practices.
 • Dan Sleeth from Highline Water District will provide step-by-step instructions on how to perform Unidirectional Water Main Flushing.
 • David Stangel from Murray, Smith & Associates (MSA) will discuss using water modeling software and GIS to develop and maintain effective UDF programs.
 • Steven James from Integra Chemical Company will discuss dechlorination, chemicals and equipment.
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