tour of ww collection system 11 4-2011
TRANSCRIPT
![Page 1: Tour of ww collection system 11 4-2011](https://reader033.vdocuments.mx/reader033/viewer/2022060110/555e8a3cd8b42abd468b5554/html5/thumbnails/1.jpg)
Tour of Wastewater Collection System
Don Moore
Town of Yountville
Public Works Department/Utilities Division
![Page 2: Tour of ww collection system 11 4-2011](https://reader033.vdocuments.mx/reader033/viewer/2022060110/555e8a3cd8b42abd468b5554/html5/thumbnails/2.jpg)
Introduction of Wastewater System
• Joint Treatment Facility (JTP)
• Recycled Water System/Discharge to Napa River
• Sewer Collection System
• WW Pump Station
![Page 3: Tour of ww collection system 11 4-2011](https://reader033.vdocuments.mx/reader033/viewer/2022060110/555e8a3cd8b42abd468b5554/html5/thumbnails/3.jpg)
Yountville
Veterans Home
Napa River
Highway 29
Silverado TrailWineries
Rector Watershed Views Looking East
![Page 4: Tour of ww collection system 11 4-2011](https://reader033.vdocuments.mx/reader033/viewer/2022060110/555e8a3cd8b42abd468b5554/html5/thumbnails/4.jpg)
Joint Treatment Plant
Effluent Pond
Primary
SecondaryFinal
Chlorine Contact
![Page 5: Tour of ww collection system 11 4-2011](https://reader033.vdocuments.mx/reader033/viewer/2022060110/555e8a3cd8b42abd468b5554/html5/thumbnails/5.jpg)
Collection System
![Page 6: Tour of ww collection system 11 4-2011](https://reader033.vdocuments.mx/reader033/viewer/2022060110/555e8a3cd8b42abd468b5554/html5/thumbnails/6.jpg)
Wastewater Collection System
• System comprised of 634 residential & 76 Commercial Customers
• Reduce Inflow of Rainwater and Infiltration of Groundwater
• Sewer System Management Plan• Maintain and Improve Pump Station• Replace Sewer Pipes
![Page 7: Tour of ww collection system 11 4-2011](https://reader033.vdocuments.mx/reader033/viewer/2022060110/555e8a3cd8b42abd468b5554/html5/thumbnails/7.jpg)
Elements of Sanitary Sewer Management Plan
• Goals• Organization• Overflow Emergency Response Plan• Fats, Oils, and Grease Control Program• Legal Authority
![Page 8: Tour of ww collection system 11 4-2011](https://reader033.vdocuments.mx/reader033/viewer/2022060110/555e8a3cd8b42abd468b5554/html5/thumbnails/8.jpg)
Elements of Sanitary Sewer Management Plan (cont.)
• Measures and Activities• Design and Performance Provisions• Capacity Management• Monitoring, Measurement and Program
Modifications• SSMP Program Audits
![Page 9: Tour of ww collection system 11 4-2011](https://reader033.vdocuments.mx/reader033/viewer/2022060110/555e8a3cd8b42abd468b5554/html5/thumbnails/9.jpg)
FOG (Fats, Oils and Grease)
![Page 10: Tour of ww collection system 11 4-2011](https://reader033.vdocuments.mx/reader033/viewer/2022060110/555e8a3cd8b42abd468b5554/html5/thumbnails/10.jpg)
Hardened Grease Chunk
![Page 11: Tour of ww collection system 11 4-2011](https://reader033.vdocuments.mx/reader033/viewer/2022060110/555e8a3cd8b42abd468b5554/html5/thumbnails/11.jpg)
“Root Ball”
![Page 12: Tour of ww collection system 11 4-2011](https://reader033.vdocuments.mx/reader033/viewer/2022060110/555e8a3cd8b42abd468b5554/html5/thumbnails/12.jpg)
“Break-in Lateral” vs. Factory Made
![Page 13: Tour of ww collection system 11 4-2011](https://reader033.vdocuments.mx/reader033/viewer/2022060110/555e8a3cd8b42abd468b5554/html5/thumbnails/13.jpg)
Broken Clay Lateral
![Page 14: Tour of ww collection system 11 4-2011](https://reader033.vdocuments.mx/reader033/viewer/2022060110/555e8a3cd8b42abd468b5554/html5/thumbnails/14.jpg)
Cast In Place Point Repair
Before After
![Page 15: Tour of ww collection system 11 4-2011](https://reader033.vdocuments.mx/reader033/viewer/2022060110/555e8a3cd8b42abd468b5554/html5/thumbnails/15.jpg)
Sag in Pipe (Abandoned K-Line)
![Page 16: Tour of ww collection system 11 4-2011](https://reader033.vdocuments.mx/reader033/viewer/2022060110/555e8a3cd8b42abd468b5554/html5/thumbnails/16.jpg)
Smoke Testing
![Page 17: Tour of ww collection system 11 4-2011](https://reader033.vdocuments.mx/reader033/viewer/2022060110/555e8a3cd8b42abd468b5554/html5/thumbnails/17.jpg)
Sewer Line Cleaning
![Page 18: Tour of ww collection system 11 4-2011](https://reader033.vdocuments.mx/reader033/viewer/2022060110/555e8a3cd8b42abd468b5554/html5/thumbnails/18.jpg)
Pipe Replacement
![Page 19: Tour of ww collection system 11 4-2011](https://reader033.vdocuments.mx/reader033/viewer/2022060110/555e8a3cd8b42abd468b5554/html5/thumbnails/19.jpg)
Construction of New Manhole Base
![Page 20: Tour of ww collection system 11 4-2011](https://reader033.vdocuments.mx/reader033/viewer/2022060110/555e8a3cd8b42abd468b5554/html5/thumbnails/20.jpg)
Finished Manhole Base
![Page 21: Tour of ww collection system 11 4-2011](https://reader033.vdocuments.mx/reader033/viewer/2022060110/555e8a3cd8b42abd468b5554/html5/thumbnails/21.jpg)
Epoxy Coating (System Loop)
![Page 22: Tour of ww collection system 11 4-2011](https://reader033.vdocuments.mx/reader033/viewer/2022060110/555e8a3cd8b42abd468b5554/html5/thumbnails/22.jpg)
Sewer Main Replacement Projects to Date
• Jefferson St, from Madison to Humbolt ($230,000 in 2008)
• Yount St, from Finnell to Hopper Creek ($90,000 in 2008)
• Mulberry Extension ($70,000 in 2008)
![Page 23: Tour of ww collection system 11 4-2011](https://reader033.vdocuments.mx/reader033/viewer/2022060110/555e8a3cd8b42abd468b5554/html5/thumbnails/23.jpg)
Sewer Main Replacement Projects to Date (cont.)
• Extension of the B-Line on
Washington Street to Land Lane ($567,000, 2009)
• Re-route of F-Line to remove sag and creek crossing ($70,000 in 2009)
• Abandonment/Consolidation Project on
North Washington ($120,000 in 2010)
![Page 24: Tour of ww collection system 11 4-2011](https://reader033.vdocuments.mx/reader033/viewer/2022060110/555e8a3cd8b42abd468b5554/html5/thumbnails/24.jpg)
Collection System Projects for the Future
• Madison Street sewer main replacement from Washington Street to Yount
• Yount Street sewer replacement from Hopper Creek to Monroe
• “Slip-Line” F-Line from Champagne Drive to Oak Circle
• Rehabilitation/Upgrades @ Peter J. Bardesonno Memorial Pump Station (Study required)
![Page 25: Tour of ww collection system 11 4-2011](https://reader033.vdocuments.mx/reader033/viewer/2022060110/555e8a3cd8b42abd468b5554/html5/thumbnails/25.jpg)
Wastewater Pump StationConverted in 1977
![Page 26: Tour of ww collection system 11 4-2011](https://reader033.vdocuments.mx/reader033/viewer/2022060110/555e8a3cd8b42abd468b5554/html5/thumbnails/26.jpg)
Old Check Valve After Replacement
![Page 27: Tour of ww collection system 11 4-2011](https://reader033.vdocuments.mx/reader033/viewer/2022060110/555e8a3cd8b42abd468b5554/html5/thumbnails/27.jpg)
New BioAmp Process
![Page 28: Tour of ww collection system 11 4-2011](https://reader033.vdocuments.mx/reader033/viewer/2022060110/555e8a3cd8b42abd468b5554/html5/thumbnails/28.jpg)
Introduction of FOG Fighting Bacteria
![Page 29: Tour of ww collection system 11 4-2011](https://reader033.vdocuments.mx/reader033/viewer/2022060110/555e8a3cd8b42abd468b5554/html5/thumbnails/29.jpg)
Tie-In Point for Both Major Sewer Mains
![Page 30: Tour of ww collection system 11 4-2011](https://reader033.vdocuments.mx/reader033/viewer/2022060110/555e8a3cd8b42abd468b5554/html5/thumbnails/30.jpg)
Pump Station “Wet-Well”
![Page 31: Tour of ww collection system 11 4-2011](https://reader033.vdocuments.mx/reader033/viewer/2022060110/555e8a3cd8b42abd468b5554/html5/thumbnails/31.jpg)
Newly Installed Hoist
![Page 32: Tour of ww collection system 11 4-2011](https://reader033.vdocuments.mx/reader033/viewer/2022060110/555e8a3cd8b42abd468b5554/html5/thumbnails/32.jpg)
Spare Pump Ready For Installation
![Page 33: Tour of ww collection system 11 4-2011](https://reader033.vdocuments.mx/reader033/viewer/2022060110/555e8a3cd8b42abd468b5554/html5/thumbnails/33.jpg)
Pump VFD’s (Variable Frequency Drives)and Level/Pump Control System
![Page 34: Tour of ww collection system 11 4-2011](https://reader033.vdocuments.mx/reader033/viewer/2022060110/555e8a3cd8b42abd468b5554/html5/thumbnails/34.jpg)
Flow Meter
![Page 35: Tour of ww collection system 11 4-2011](https://reader033.vdocuments.mx/reader033/viewer/2022060110/555e8a3cd8b42abd468b5554/html5/thumbnails/35.jpg)
In Case of Emergency
![Page 36: Tour of ww collection system 11 4-2011](https://reader033.vdocuments.mx/reader033/viewer/2022060110/555e8a3cd8b42abd468b5554/html5/thumbnails/36.jpg)
Projects Completed• Flygt submersible pumps installed (1996)
• VFD’s Installed (1996)
• New emergency generator installed (2004)
• Spare pump purchased and installed (2005)
• Maintenance activities performed (on-going)
![Page 37: Tour of ww collection system 11 4-2011](https://reader033.vdocuments.mx/reader033/viewer/2022060110/555e8a3cd8b42abd468b5554/html5/thumbnails/37.jpg)
Pump Station Upgrades
• Pump Station originally constructed/re-designed in 1977 as part of Joint Treatment Plant Project
• VFD controllers are in need of replacement
• New level control system is necessary
• Force main, pumps and all piping should be evaluated to see if it should be replaced/upsized