HomeMy WebLinkAboutConnection to Municipal Sewer Public Presentation, April 2019Town of Nantucket
Nantucket Harbor Shimmo &
Plus Parcels Sewer Project
Public Information Meeting
Connection to the Municipal Sewer
April 11, 2019
Town of Nantucket
Nantucket Harbor Shimmo & Plus Sewers
Sewer Connection Process –Key Players:
•Nantucket Sewer Department
•David Gray, Sewer Director
•Charles Johnson, Wastewater Engineer
•Lora Kebbati, Office Manager
•Christine Herrmann, Administrative Clerk
•Weston & Sampson
•Steve Pedersen, Project Manager
•Drew Patnode, Resident Engineer
•Hazen & Sawyer
•Frank Ayotte, OPM
•Your Local Designer/Installer (TBD)
•Grinder Pump Vendor (Where Applicable)
•Williamson New England Pump & Motor
•Crane Pumps & Systems/Barnes
Town of Nantucket
Nantucket Harbor Shimmo & Plus Sewers
Agenda
•Project Background -A Quick Look Back
•Project Areas Defined
•Project Statistics & Timeline
•Construction Process
•Public Outreach
•Homeowner Responsibilities
•Sewer Connection Process
•Grinder Pump Logistics (where applicable)
•Questions & Discussion
Town of Nantucket
Nantucket Harbor Shimmo & Plus Sewers
Project Planning:
•Comprehensive Wastewater Management
Planning effort Recommended Sewer
Extension Areas in the Surfside WWTF
tributary
Town of Nantucket
Nantucket Harbor Shimmo & Plus Sewers
Project Need:
Water Protection Districts
Town of Nantucket
Nantucket Harbor Shimmo & Plus Sewers
Project Need:
Water Protection Districts in Project Areas
Town of Nantucket
Nantucket Harbor Shimmo & Plus Sewers
Project Areas Defined:
•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
Town of Nantucket
Nantucket Harbor Shimmo & Plus Sewers
Town of Nantucket
Nantucket Harbor Shimmo & Plus Sewers
Project Design:
•Finalized Service Area/Connection Points
•Field Survey & Subsurface Investigations
•Developed Preliminary and Final Sewer Layouts
•Evaluated Technologies/Alternatives
•Recommended a Hybrid System
•Gravity and Low-Pressure Sewers
•Sewer Easements (Private Roads)
•Project Permitting
•Final Bidding Documents
•Plans & Specs
Town of Nantucket
Nantucket Harbor Shimmo & Plus Sewers
Town of Nantucket
Nantucket Harbor Shimmo & Plus Sewers
11
Bayberry Lane Area
Town of Nantucket
Nantucket Harbor Shimmo & Plus Sewers
12
Tashama/Maclean Area
Green Meadows Area
Town of Nantucket
Nantucket Harbor Shimmo & Plus Sewers
13
Town of Nantucket
Nantucket Harbor Shimmo & Plus Sewers
Project Statistics:
•Approximately 380 Properties Fronted by Sewer
•Approximately 13,800 feet of Gravity Sewer
•Meadow View Area, Tashama/Maclean & Green
Meadows
•Two Pump Stations with 4,400 feet of force main
•Approximately 38,200 feet of Low-Pressure Sewers
•NH Shimmo & Bayberry Areas
•Friendship Lane & Marsh Hawk Lane
•Require Individual On-Lot Grinder Pump Units for Each
Connection
•Approximately 10.7 Miles of Sewer
Town of Nantucket
Nantucket Harbor Shimmo & Plus Sewers
Project Timeline:
•Public Bid Opening -June 14, 2017
•Robert B. Our Co., Inc. -$12,049,300
•Construction Award/NTP -Summer 2017
•Commence Construction –September 18, 2017
•Summer Shutdown –2018
•Partial Utilization –August 2018
•Substantial Completion –March 2019
•Grinder Pump Procurement -April 2019
•Final Paving and Punch List –Spring 2019
Town of Nantucket
Nantucket Harbor Shimmo & Plus Sewers
Town of Nantucket
Nantucket Harbor Shimmo & Plus Sewers
Town of Nantucket
Nantucket Harbor Shimmo & Plus Sewers
Public Outreach:
•Public Meeting –March 21, 2017
•Neighborhood Meetings
•Meadow View Area –May 15, 2017
•Bayberry/Tashama/Maclean & Green Meadows –May 16, 2017
•Shimmo Area –July 22, 2017
•Select Board Meeting (with Contractor) -August 9, 2017
•Local Newspaper Ads: The Inquirer & Mirror
•Weekly Updates –Email Distribution
•Social media: Twitter
•Sewer Connection Process –April 11, 2019
•Town website: www.nantucket-ma.gov/NHS-Plus-Sewer
Homeowner Responsibilities:
Town of Nantucket
Nantucket Harbor Shimmo & Plus Sewers
Town of Nantucket
Nantucket Harbor Shimmo & Plus Sewers
Sewer Connection
Process:
•Municipal Sewer System
Acceptance
•Sewer Service Stub
•Sewer Connection Letter
•Sewer Service
•Sewer Service Type
•Sewer Connection Permit
•Sewer Service Contractor
Town of Nantucket
Nantucket Harbor Shimmo & Plus Sewers
Sewer Connection Timeframe Requirements:
•Within Two Years of Date of Notification Letter
•Properties in Environmentally (Nitrogen) Sensitive Areas
•Must File an Application w/in 6 Months of Notification
•Must Connect w/in One Year of Approved Application
•Properties with an Approved I/A System
•10 Years from the Date of Installation of the I/A System
•Enforcement/Fines
•$200/day Beyond Established Timeframe
Town of Nantucket
Nantucket Harbor Shimmo & Plus Sewers
Sewer Connection Permit:
•Hire Approved Sewer Installer
•Sewer Department List
•Plot Plan of Proposed Connection
•Stamped by Licensed Engineer or Surveyor
•Sewer Service Type –Gravity or Low-Pressure
•Pay Sewer Related Fees (Per Dwelling)
•Connection Fee -$2,000 ($500 w/in 2 years)
•Privilege Fee -$6,322.15
•May be Apportioned to Tax Bill for up to 20 Years
•10% Down -4.414% Interest Rate
•Grinder Pump Purchase Fee (if applicable)
Town of Nantucket
Nantucket Harbor Shimmo & Plus Sewers
Sewer Connection Installation:
•Install Sewer Connection
•Upon Approval of Sewer Connection Permit
•Town Inspection/Approval of Connection
•Abandon/Demolish Existing Septic System per Board of
Health Regulations
•Submit Stamped Record “As-Built” Drawing
•Pay Sewer User Charges
•Billed Quarterly Based on Water Usage
•Fixed Fee for Dwellings on Private Well
Town of Nantucket
Nantucket Harbor Shimmo & Plus Sewers
Questions & Discussion
Town of Nantucket
Nantucket Harbor Shimmo &
Plus Parcels Sewer Project
Public Information Meeting
Connection to the Municipal Sewer
Use of On-Lot Residential Grinder Pump Units
April 11, 2019
Town of Nantucket
Nantucket Harbor Shimmo & Plus Sewers
Grinder Pump Discussion Agenda:
•Town Procurement Process
•Discounted Pricing
•Grinder Pump Specifications
•Installation Process
•Operation & Maintenance
Town of Nantucket
Nantucket Harbor Shimmo & Plus Sewers
Town Procurement/Discounted Pricing:
•Opened Public Bids –March 19, 2019
•Contract Award –April 1, 2019
•Williamson New England Pump & Motor
•Barnes EcoTRAN System
•Discounted Pricing -$1,500 per Unit
•Dwellings with BOH Approved I/A System -$500 per Unit
•NH Shimmo & Plus Areas Only
•Dwellings Developed Prior to December 31, 2017
•Up to Two Units (per Connection & Privilege Fee Paid)
•Acceptance Documentation & Payment with Sewer Connection Permit
•Discount Applies to Specified Units Only
•Homeowners Responsible for Installation, Operation & Maintenance
Town of Nantucket
Nantucket Harbor Shimmo & Plus Sewers
Grinder Pump Specifications:
•Residential Simplex Centrifugal Grinder Pump Units
•Complete factory-built and tested assemblies
•UL listed, NSF & CSA approved
•Primary Components:
•Basin & Cover
•Grinder Pump, 2 hp motor
•Alarm Panel with Generator Connection
•Tank Volumes
•Pump cycle = 20 gal
•65 gal storage to inlet
•Additional storage options available
Town of Nantucket
Nantucket Harbor Shimmo & Plus Sewers
Duplex (& Triplex) Units:
•Increased operating and storage
volumes
•Redundancy
•Not eligible for discounted
pricing
•Reuse of septic tanks not
approved
Town of Nantucket
Nantucket Harbor Shimmo & Plus Sewers
•Home Power Source:
•240 volt, 30 amp, single phase (pump circuit)
•Pump Circuit must be connected to a dedicated 240 volt, 30
amp double pole circuit breaker inside the home
•120 volt, 15 amp, single phase (alarm circuit)
•Alarm Circuit connected to separate circuit breaker
•Typical electrical cost $30-$40/year
Town of Nantucket
Nantucket Harbor Shimmo & Plus Sewers
Installation Process
•Contractor Certification
•Assures proper installation
•Delivery of Grinder Pump Units
•Accept Town Discount Offer at Time of Permitting
•Pay discounted cost directly to Town
•Delivery coordinated with contractor for installation
•Installation of Units
•Start-up inspection by manufacturer’s representative
•Town inspection & approval
Town of Nantucket
Nantucket Harbor Shimmo & Plus Sewers
Operation & Maintenance
•No scheduled maintenance required
•Cutter life approx. 10 years
•Homeowner guide provided
•Contact information for service/repair
•Instructions for proper use (do’s & don’ts)
•Winterization/extended leave measures
•Representatives hear to answer any questions
•Sample products and brochures available
Town of Nantucket
Nantucket Harbor Shimmo & Plus Sewers
Questions & Discussion