An Update on Louisville MSDs Basement Backflow Prevention ...

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Potential Program Risks Identified initial Plumbing Modification Program risks Construction liability Budget impacts: total dollars; pace of spending Public dollar spending concerns Customer education › proper operation and maintenance Confined space entry avoidance - no external installations On-going maintenance › customers not taking ownership 8 © 2011 O’Brien & Gere
Implementing the Program The Plumbing Modification Program began in 1993 Tests conducted to choose the best option Concern over the program’s acceptance and success Selection of designated areas for implementation Chronic problem site selection Customer notification and education Extensive communication effort Geographic distribution 9 © 2011 O’Brien & Gere
Page 1 and 2: OWEA Collections System Workshop Co
Page 3 and 4: Louisville KY Metropolitan Sewer Di
Page 5 and 6: Basement Backflow Prevention Progra
Page 7: Options Larger pipes & larger WWTP
Page 11 and 12: Steps of the Initial Program MSD d
Page 13 and 14: Summary of Types of Installations E
Page 15 and 16: Valve Installation 15 © 2011 O’B
Page 17 and 18: Ejector Pump Installation 17 © 201
Page 19 and 20: Location and Distribution of Instal
Page 21 and 22: How We Adapted Don’t Over Plan!
Page 23 and 24: Contact: Marty Schindler schindle@m

An Update on Louisville MSDs Basement Backflow Prevention ...

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