Community conversation presentation for Lebanon, NH residents regarding the CSO 11 project.

1. City of Lebanon, NH
CSO Contract 11
Community Conversation
March 23, 2015
Sacred Heart Church

2. Agenda
• Introductions
• Conversation Goals
• CSO Overview
• General Project Overview
• Small Group Sessions
• Q&A

3. Conversation Goals
• Collect information from residents
Sewer backups
Localized flooding (street, yard, basements)
Sidewalk locations (current vs. desired)
Pavement widths
Parking needs (existing vs. desired)
Curbing (vertical vs. sloped)
Tree/planting/landscaping concerns
Curb cuts (existing vs. desired)

4. CSO Terminology
CSO = Combined Sewer Overflow
CB = Catch Basin
CD = Consent Decree
Combined Sewer = pipe w/ storm and sanitary flow
Purpose of sewer separation project is to provide
separate sanitary pipe and separate storm drain
pipe.

5. CSO Program Overview
• September 1998 – Draft CSO Master Plan
• 2000 – Administrative Order from EPA
• December 2005 – CSO Engineering Study
• April 2009 – CD Issued
Nov 2018 – Complete Contract 11 Sewer Separation
Dec 2020 – Eliminate All CSOs

6. CSO Contract 11 Area (feet)
• Mechanic Street (2,000)
• Mascoma Street (840)
• High Street (600)
• Worthen Street (500)
• Cameron Avenue (500)
• Mason Street (520)
• West Street (1,070)
• Child Street (590)
• Granite Street (1,015)
• Young Street (1,300)
• Guyer Street (1,160)
• Bliss Street (370)
• Light Street (600)

7. • Bank Street Extension (1,000)
• Cooper Street (250)
• Bank Street Near Bank Street Extension (200)

8. • Bank Street Near East Park Street (250)

9. March 23, 2015 Meeting Area
• Mason Street (520)
• West Street (1,070)
• Child Street (590)
• Granite Street (1,015)
• Young Street (1,300)
• Guyer Street (1,160)
• Bliss Street (370)
• Light Street (600)

10. General Project Overview
• New sanitary, storm, and water pipes
• Maintain esplanade configuration
• Maintain sidewalk configuration
• Retaining walls may be needed
• Add curbing and catch basins
vertical vs. sloped curb
• May modify vertical profile
• Constant roadway width

11. Protection of Trees
• Walkabout with arborist will be conducted.
• Invites via mailing will be forthcoming.
• Contact City staff if you have a concern about a
particular tree or planting.

12. Schedule
• House-To-House Inspections – January 2015
• Virtual Walkabouts – March 2015*
• CCVT/Smoke Testing – March 2015
• Project Area Survey – April 2015
• Preliminary Design – July 2015*
• 75% Design – September 2015*
• Final Construction Documents – March 2016*
• Bid Period – April 2016
• Start Construction – June 2016
• End Construction – December 2017
* Public Meeting

13. Project Contacts
• Christina Hall, City Engineer
Christina.Hall@lebcity.com
603.448.3112
• Mike Lavalla, Director of Public Works
Mike.Lavalla@lebcity.com
603.448.3112
• LebAlert
alert.lebnh.net
• Ryan Wingard, Wright-Pierce Project Manager
Ryan.Wingard@wright-pierce.com
603.430.3728

14. Small Group Sessions

15. Mason Street
Young to Granite
Approx. Proposed
Component Existing For Discussion
Width 25’ 24’
Esplanade yes (north) yes (north)
Sidewalk yes (north) yes (north)
Drainage CBs Vert. Curb/CBs

16. West Street
Young to Granite
Approx. Proposed
Component Existing For Discussion
Width 22’-25’ 22’
Esplanade yes (north) yes (north)
Sidewalk yes (north) yes (north)
Drainage CBs Vert. Curb/CBs

17. West Street
Granite to High
Approx. Proposed
Component Existing For Discussion
Width 20’-25’ 20’
Esplanade None None
Sidewalk None None
Drainage CBs Slope Curb/CBs

18. Child Street
Young to Granite
Approx. Proposed
Component Existing For Discussion
Width 18’-20’ 20’
Esplanade None None
Sidewalk None None
Drainage CBs Slope Curb/CBs

19. Granite Street
Mason to Mascoma
Approx. Proposed
Component Existing For Discussion
Width 20’ – 35’ 24’
Esplanade Yes (west) Yes (west)
Sidewalk Yes (west) Yes (west)
Partial (east) None
Drainage CBs Curb/CBs

20. Young Street
Hough to Worthen
Approx. Proposed
Component Existing For Discussion
Width 18’ – 26’ 22’
Esplanade None None
Sidewalk Partial (west) None
Drainage CBs Curb/CBs

21. Guyer Street
Young to Granite
Approx. Proposed
Component Existing For Discussion
Width 20’ – 22’ 22’
Esplanade Yes (north) Yes (north)
Sidewalk Yes (north) Yes (north)
Drainage CBs Curb/CBs

22. Guyer Street
Granite to Mascoma
Approx. Proposed
Component Existing For Discussion
Width 15’ – 20’ 20’
Esplanade None None
Sidewalk None None
Drainage CBs Slope Curb/CBs

23. Bliss Avenue/Street
Young to Guyer
Approx. Proposed
Component Existing For Discussion
Width 12’-16’ 16’
Esplanade None None
Sidewalk None None
Drainage CBs Slope Curb/CBs

24. Light Street
Granite to High
Approx. Proposed
Component Existing For Discussion
Width 10’-18’ 12’
Esplanade none none
Sidewalk none none
Drainage CBs Curb/CBs