HomeMy WebLinkAboutPublicPresentation_032117Town of Nantucket
Nantucket Harbor Shimmo &
Plus Parcels Sewer Project
Public Outreach Presentation
to Interested Property Owners
March 21, 2017
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Town of Nantucket
Nantucket Harbor Shimmo & Plus Sewers
Project Team:
•Town Administration
•C. Elizabeth Gibson, Town Manager
•Nantucket Sewer Department
•David Gray, Sewer Director
•Weston & Sampson
•Kent Nichols
•Steve Pedersen
•Laurie Toscano
•Owner’s Project Manager (OPM)
•Frank Ayotte, Hazen-Sawyer
•Construction Contractor (TBD)
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Town of Nantucket
Nantucket Harbor Shimmo & Plus Sewers
Agenda
•Project Background - A Look Back
•Project Status & Details - Current Snapshot
•Continuing Project
•A Look Ahead
•Cost Considerations
•Anticipated Schedule
•Ways to Stay Connected
•Question & Discussion and Community Input
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Town of Nantucket
Nantucket Harbor Shimmo & Plus Sewers
Project Background - A Look Back:
•Comprehensive Wastewater Management
Planning effort Recommended Sewer
Extension Areas in the Surfside WWTF
tributary
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Town of Nantucket
Nantucket Harbor Shimmo & Plus Sewers
Project Background - A Look Back:
•These specific Areas were Voted by
Nantucket Town Meeting, April 2016 to
proceed to Implementation
•Nantucket Harbor Shimmo Area
•Plus Parcels Sewer Areas - 4 infill areas
•Meadow View Drive Area
•Bayberry Lane Area
•Tashama/Maclean Area
•Green Meadows Area
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Town of Nantucket
Nantucket Harbor Shimmo & Plus Sewers
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Town of Nantucket
Nantucket Harbor Shimmo & Plus Sewers
Project Status & Details - Current Snapshot:
•Need for Sewer Extension Project (from CWMP)
•Basis of Design Report Completed
•Refined Areas
•Evaluated Technologies/Alternatives
•Gravity with Pump Stations
•Low Pressure with Grinder Pumps
•STEP Systems
•Vacuum Systems
•SDVS Systems
•Hybrid Systems
•Recommended a Hybrid System
with Gravity and Low Pressure
•Developed Preliminary Layouts
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Town of Nantucket
Nantucket Harbor Shimmo & Plus Sewers
Project Status & Details - Current Snapshot:
•Refined Sewer Connection Points
•Field Survey & Subsurface Investigations
•Roadway & Existing Utility Survey
•Building Sill Elevations Survey
•Soil Borings & Geotechnical Investigations
•CCTV Investigation for Downstream Capacity Analysis
•Development of Plans & Specifications
•Project Permitting
•Natural Heritage & Endangered Species Program
•Archaeological Sensitivity Analysis
•Conservation Commission Notice of Intent
•Nantucket Historic District Commission
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Town of Nantucket
Nantucket Harbor Shimmo & Plus Sewers
Project Status & Details - Current Snapshot:
•Properties Served by Proposed Sewer Extensions
•Approximately 360 properties to be Connected
•Conventional Gravity Sewer (approx. 13,000 feet)
•Meadow View, Tashama/Maclean & Green Meadows
Areas
•Including 2 Pump Stations with 5,000 feet of force main
•Low Pressure Sewers (approx. 32,000 feet)
•NH Shimmo & Bayberry Areas
•Low Pressure Approach Required due to Topography
•Systems Require Individual Pump Units for Each Home
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Town of Nantucket
Nantucket Harbor Shimmo & Plus Sewers
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Town of Nantucket
Nantucket Harbor Shimmo & Plus Sewers
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Town of Nantucket
Nantucket Harbor Shimmo & Plus Sewers
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Town of Nantucket
Nantucket Harbor Shimmo & Plus Sewers
Continuing Project - A Look Ahead:
•Continued Public Outreach
•Future meeting venues
•Town website postings
•Local newspaper
•Social media: Twitter
•Utility Easements for Private Roads
•Traffic Management
•Coordination with Police, Fire , Ambulance & Busses
•Advance Notice of Temporary Changes to Traffic Flow &
Detours
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Town of Nantucket
Nantucket Harbor Shimmo & Plus Sewers
Continuing Project - A Look Ahead:
•Finalize Contract Documents following DEP Review
•Finalize Permitting
•Project Bid Phase
•Project Construction Phase
•Off-season Construction Period
•Meeting prior to Construction
•Resident Representative on-site during Construction
•On-lot Considerations
•Individual Property Connections
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Town of Nantucket
Nantucket Harbor Shimmo & Plus Sewers
Continuing Project – Cost Considerations:
•2016 Town Meeting Appropriation
•Technical, Legal & Administrative Support
•Construction Costs
•Sewer in roadways
•Connection stubs to edge of roadway
•Surface Restoration of roadways
•Private Property Cost Considerations
•Sewer Connection Fee
•Privilege Fee
•Pipeline & Appurtenances on Individual Property
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Town of Nantucket
Nantucket Harbor Shimmo & Plus Sewers
Anticipated Continuing Project Schedule:
•Finalize Design & Permitting Ongoing
•Advertise/Receive Construction Bids May 2017
•Award Construction Contract June 2017
•Construction Start September 2017
(Construction will Avoid Summer 2018 Season)
•Construction Complete October 2018
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Town of Nantucket
Nantucket Harbor Shimmo & Plus Sewers
Continuing Project - A Look Ahead:
Ways to Stay Connected
•Town website: www.nantucket-ma.gov/NHS-Plus-Sewer
•Local newspaper: The Inquirer & Mirror
•Social media: Twitter
•Subscribe to receive project news via e-mail
•Continuing meeting venues
•Town Groups - Rotary Club March 22nd
•Neighborhood Associations - May 15th & 16th & July 22nd
•Meeting prior to Construction - August 9th
•Project Contacts during Construction
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Town of Nantucket
Nantucket Harbor Shimmo & Plus Sewers
Questions & Discussion
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