Dugway West InterceptorRelief Sewer (DWIRS)April 4, 2013
Agenda• Project Location and Alignment• Easements, Constraints, and  Construction Sequencing• Community Benefits and Resto...
About us• Created by Court Order in 1972• Servicing all or part of 62  member communities• 1 million customers• 90+ billio...
What We Do• Three wastewater treatment plants• Interceptor sewer operation,  maintenance• Combined Sewer Overflow control•...
Street Catch                                                       WWTP                    BasinsDomestic                 ...
How they work:Regulating structuresallow excess stormwaterto overflow                                 Overflow pipe       ...
Combined Sewer Overflow (CSO)
Netting facility, floatable debris fromcombined sewer overflow2010              8
9
10
Project background• Control CSO overflows• Consolidate existing regulators• Provide relief for up to a 5-year, 6-hour  sto...
By the numbers• 11,000 feet 3’ to 6’ sewers in tunnel• 2,700 feet  15” to 7’ sewers in open-cut• Plus structures, regulato...
DWIRS Location      DWIRS location related to       Dugway West Brook and Dugway       West Culvert      Existing local ...
Open Streams, Brooks   ORIGINAL                                   Nine Mile                                   Nine Mile   ...
Open Streams, Buried Culverts        CURRENT                                  Nine Mile                                  N...
Bidding, Construction Schedule1. DWIRS Project Bidding    May 20132. Construction Start       Sept. 20133. Substantial Com...
Easements, propertyacquisition• Ongoing discussions• Negotiations: TranSystems• Land Bank acquisitions, demolition:  NEORS...
Project Constraints• Focus: Northern half, then southern  – Utility relocation by other agencies may    occur anywhere alo...
Project Constraints• Coordinate with schools to maintain  access to all driveways• Limit haul routes• Complete work within...
Project Constraints• Complete Durant sewer in final 12  months• Demolish eight structures within first  five months• Work ...
Estimated Work DurationsMainline A-Open Cut   Mainline B-Tunnel   St. Clair Ave East                                      ...
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25
26
27
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29
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Provisions andmonitoring• Inspections: Contractors will video  and photograph structures’ exterior• Markers: Contractor wi...
Provisions andmonitoring• Surface settlement monitoring  over tunnel• Post-construction inspection• Restoration as needed ...
Community benefits,restoration• Aspects of restoration are open to  community input• Final Roadway restoration will  inclu...
Community benefits,restoration• Additional demolition will be  considered• Additional community benefits will  be consider...
What is Project Clean Lake?• Consent decree with EPA• $3 billion 25-year program to address  water quality issues caused b...
What is Project Clean Lake?• 772 communities have similar  mandates
What is Project Clean Lake?                           • Reduce combined sewer overflow volume                      10     ...
44
7 tunnels to control CSO•   21 total miles•   17’ to 24’ diameters•   100’ to 200’ underground•   Three Deep Tunnel Pump S...
46
Other CSO Project                           CoordinationSSTSST                            DST Overlap (DST)              ...
DEIRS PROPOSED ALIGNMENTAERIALALIGNMENT48
CSO Reduction Benefits                                     Year of       Annual        Project Title               Complet...
What’s the benefit?• Improve water quality  –   Clean beaches, recreation  –   Protecting clean-water resource  –   Improv...
LEARN MORE.dugwaytunnel.blogspot.comneorsd.org/cleanlakeASK US.cleanlake@neorsd.orgTWEET US.@neorsd3900 Euclid Avenue | Cl...
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Dwirs community impact pres 4 4-13-v3

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  • Northeast Ohio Regional Sewer District neorsd.org/cleanlake | cleanlake@neorsd.org neorsd.org/cleanlake | cleanlake@neorsd.org Northeast Ohio Regional Sewer District
  • Northeast Ohio Regional Sewer District neorsd.org/cleanlake | cleanlake@neorsd.org neorsd.org/cleanlake | cleanlake@neorsd.org Northeast Ohio Regional Sewer District
  • 11,000 feet of 36”-72” sewers in tunnel Approximately 2,700 feet of 15”-84” sewers in open-cut 2 diversion structures to future DST and Dugway West/East Culverts (DWD-1 & DWD-2) 2 regulator structures to Dugway West Culvert (DWR-1 & DWR-2) Flow Divider (DWF-1) Modifications to 39 existing regulators
  • Ongoing Temporary and Permanent Easement Negotiations TranSystems is Consultant handling the Negotiations NEORSD is processing Land Bank Acquisitions and Demo 8 Properties will be demolished for the project and demo work will occur in the first 5 months.
  • Contractor to focus efforts on Northern Half before Southern (Utility relocation work by other agencies may occur anywhere along alignment) Limit the number of active shafts and work sites Work zone restoration following shortly after completion Coordinate with schools to maintain access to all driveways. Limit Construction Haul Routes Work within St. Clair shall be completed within 12 months Durant sewer shall be done in the final 12 months Demo 8 Structures within first 5 months Work Hours are 700am to 700pm Mon– Sat per the City
  • Contractor to focus efforts on Northern Half before Southern (Utility relocation work by other agencies may occur anywhere along alignment) Limit the number of active shafts and work sites Work zone restoration following shortly after completion Coordinate with schools to maintain access to all driveways. Limit Construction Haul Routes Work within St. Clair shall be completed within 12 months Durant sewer shall be done in the final 12 months Demo 8 Structures within first 5 months Work Hours are 700am to 700pm Mon– Sat per the City
  • Contractor to focus efforts on Northern Half before Southern (Utility relocation work by other agencies may occur anywhere along alignment) Limit the number of active shafts and work sites Work zone restoration following shortly after completion Coordinate with schools to maintain access to all driveways. Limit Construction Haul Routes Work within St. Clair shall be completed within 12 months Durant sewer shall be done in the final 12 months Demo 8 Structures within first 5 months Work Hours are 700am to 700pm Mon– Sat per the City
  • Contractors will perform external video and photographic inspection of Structures. Contractor will install Geotechnical instrumentation and survey markers on structures. Vibration Monitoring. Surface Settlement Monitoring over tunnel. Post Construction Inspection. Restoration as needed.
  • Contractors will perform external video and photographic inspection of Structures. Contractor will install Geotechnical instrumentation and survey markers on structures. Vibration Monitoring. Surface Settlement Monitoring over tunnel. Post Construction Inspection. Restoration as needed.
  • Aspects of the Restoration are open to Community input. Final Roadway restoration will include new pavement. Additional Demo will be considered. NEORSD is considering additional community benefits as opportunities are presented.
  • Aspects of the Restoration are open to Community input. Final Roadway restoration will include new pavement. Additional Demo will be considered. NEORSD is considering additional community benefits as opportunities are presented.
  • Northeast Ohio Regional Sewer District neorsd.org/cleanlake | cleanlake@neorsd.org neorsd.org/cleanlake | cleanlake@neorsd.org Northeast Ohio Regional Sewer District
  • Northeast Ohio Regional Sewer District neorsd.org/cleanlake | cleanlake@neorsd.org neorsd.org/cleanlake | cleanlake@neorsd.org Northeast Ohio Regional Sewer District
  • 21 Miles in Length 17’ to 24’ in Diameter 100’ to 200’ in Depth Five Rock Tunnels in Chagrin Shale Two Soft ground Tunnels in Buried Cuyahoga River Valley Three Deep Tunnel Pump Stations Drop Structures Near Surface Sewers and Structures
  • Northeast Ohio Regional Sewer District neorsd.org/cleanlake | cleanlake@neorsd.org neorsd.org/cleanlake | cleanlake@neorsd.org Northeast Ohio Regional Sewer District
  • Northeast Ohio Regional Sewer District neorsd.org/cleanlake | cleanlake@neorsd.org neorsd.org/cleanlake | cleanlake@neorsd.org Northeast Ohio Regional Sewer District
  • Dwirs community impact pres 4 4-13-v3

    1. 1. Dugway West InterceptorRelief Sewer (DWIRS)April 4, 2013
    2. 2. Agenda• Project Location and Alignment• Easements, Constraints, and Construction Sequencing• Community Benefits and Restoration• Project Clean Lake and CSO Benefits once completed 2
    3. 3. About us• Created by Court Order in 1972• Servicing all or part of 62 member communities• 1 million customers• 90+ billion gallons wastewater treated each year 3
    4. 4. What We Do• Three wastewater treatment plants• Interceptor sewer operation, maintenance• Combined Sewer Overflow control• Regional Stormwater Management 4
    5. 5. Street Catch WWTP BasinsDomestic IndustrialWastewater Wastewater Storm Water Outlet (SWO) Regulator Lake Erie Combined Sewer Combined Dry weather Sewer Overflow outlet (DWO) Flow to WWTP Combined Sewer System
    6. 6. How they work:Regulating structuresallow excess stormwaterto overflow Overflow pipe Side-spill weir 6
    7. 7. Combined Sewer Overflow (CSO)
    8. 8. Netting facility, floatable debris fromcombined sewer overflow2010 8
    9. 9. 9
    10. 10. 10
    11. 11. Project background• Control CSO overflows• Consolidate existing regulators• Provide relief for up to a 5-year, 6-hour storm event• Convey flow to current interceptor, future tunnel• Prepare for future 17’ Doan Valley Tunnel 11
    12. 12. By the numbers• 11,000 feet 3’ to 6’ sewers in tunnel• 2,700 feet 15” to 7’ sewers in open-cut• Plus structures, regulators, and modifications
    13. 13. DWIRS Location  DWIRS location related to Dugway West Brook and Dugway West Culvert  Existing local sewer system  Existing CSO Regulators  Proximity to Dugway East Brook and Dugway Storage Tunnel  Proximity to Easterly Interceptor on the North End  Proximity to Doan Valley Tunnel on the South End13
    14. 14. Open Streams, Brooks ORIGINAL Nine Mile Nine Mile Creek/Culvert Creek/Culvert Dugway West Dugway West Brook /Culvert Brook /Culvert Dugway East Dugway East Brook/Culvert Brook/Culvert Doan Brook/ Doan Brook/ Culvert Culvert
    15. 15. Open Streams, Buried Culverts CURRENT Nine Mile Nine Mile Creek/Culvert Creek/Culvert Dugway West Dugway West Brook /Culvert Brook /Culvert Dugway East Dugway East Brook/Culvert Brook/Culvert Doan Brook/ Doan Brook/ Culvert Culvert
    16. 16. Bidding, Construction Schedule1. DWIRS Project Bidding May 20132. Construction Start Sept. 20133. Substantial Completion May 2016 (32 months)4. Final Completion Sept. 2016 (36 Months) 16
    17. 17. Easements, propertyacquisition• Ongoing discussions• Negotiations: TranSystems• Land Bank acquisitions, demolition: NEORSD• 8 properties to be demolished• Demolition work will occur in the first 5 months 17
    18. 18. Project Constraints• Focus: Northern half, then southern – Utility relocation by other agencies may occur anywhere along alignment• Limit active shafts, work sites• Restore work zones shortly after completion 18
    19. 19. Project Constraints• Coordinate with schools to maintain access to all driveways• Limit haul routes• Complete work within St. Clair within 12 months 19
    20. 20. Project Constraints• Complete Durant sewer in final 12 months• Demolish eight structures within first five months• Work hours: 7 a.m. – 7 p.m. Monday – Saturday per the City 20
    21. 21. Estimated Work DurationsMainline A-Open Cut Mainline B-Tunnel St. Clair Ave East Mainline C-Tunnel 21
    22. 22. 22
    23. 23. 23
    24. 24. 24
    25. 25. 25
    26. 26. 26
    27. 27. 27
    28. 28. 28
    29. 29. 29
    30. 30. 30
    31. 31. 31
    32. 32. 32
    33. 33. 33
    34. 34. 34
    35. 35. 35
    36. 36. 36
    37. 37. Provisions andmonitoring• Inspections: Contractors will video and photograph structures’ exterior• Markers: Contractor will install Geotechnical instrumentation and survey markers on structures• Vibration monitoring 37
    38. 38. Provisions andmonitoring• Surface settlement monitoring over tunnel• Post-construction inspection• Restoration as needed 38
    39. 39. Community benefits,restoration• Aspects of restoration are open to community input• Final Roadway restoration will include new pavement 39
    40. 40. Community benefits,restoration• Additional demolition will be considered• Additional community benefits will be considered as opportunities are presented 40
    41. 41. What is Project Clean Lake?• Consent decree with EPA• $3 billion 25-year program to address water quality issues caused by sewage overflows (CSOs) 41
    42. 42. What is Project Clean Lake?• 772 communities have similar mandates
    43. 43. What is Project Clean Lake? • Reduce combined sewer overflow volume 10 9 8 7Billions of gallons 6 5 4 3 2 1 0 1972 TODAY 2035 43
    44. 44. 44
    45. 45. 7 tunnels to control CSO• 21 total miles• 17’ to 24’ diameters• 100’ to 200’ underground• Three Deep Tunnel Pump Stations• Drop Structures, Near Surface Sewers and Structures 45
    46. 46. 46
    47. 47. Other CSO Project CoordinationSSTSST  DST Overlap (DST) E140 E140  DST-4 Forest Hills Park  DST-5 St. Clair/E 109th  DST-7 Lakeview and Ada  DST-8 Lakeview and Superior  East 140 th Relief Sewer (E140)  Doan Valley Tunnel (DVT) DST DST  Lakeview and Ada  Superior Ave  Shoreline Storage Tunnel (SST)DWIRSDWIRS  Forest Hills Park Mining Site 47 DVT DVT
    48. 48. DEIRS PROPOSED ALIGNMENTAERIALALIGNMENT48
    49. 49. CSO Reduction Benefits Year of Annual Project Title Completio CSO capture nDugway East Relief Sewer (DEIRS) 2012 85 Million GallonsEuclid Creek Storage Tunnel (ECT) 2015 344 Million GallonsDugway West Relief Sewer (DWIRS) 2016 110 Million GallonsDugway Storage Tunnel/E 140th 2020 411 Million Gallons(DST/E140)Doan Valley Tunnel (DVT) 2021 348 Million GallonsShoreline Storage Tunnel (SST) 2027 502 Million Gallons Total CSO 1,800 Million Capture Gallons
    50. 50. What’s the benefit?• Improve water quality – Clean beaches, recreation – Protecting clean-water resource – Improve our regional image – Neighborhood revitalization• Regional economic impact – Job creation – Tax Revenue
    51. 51. LEARN MORE.dugwaytunnel.blogspot.comneorsd.org/cleanlakeASK US.cleanlake@neorsd.orgTWEET US.@neorsd3900 Euclid Avenue | Cleveland, OH 44115 | (216) 881-6600 | neorsd.org

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