North Hudson Sewerage Authority Storm Water Management Improvement Project: H5 Wet Weather Pump Station

1
North Hudson Sewerage Authority Storm Water
Management Improvement ProjectH5 Wet Weather
Pump Station

• Presentation to Maxwell Place Homeowners
  Association

2
Agenda

• Project Overview
• Site Plan
• Construction Process
• Preliminary Schedule
• Construction Activities
• Maxwell Place Engineered Cap
• Role of LSRP During Construction
• Traffic Management
• Access at the Site
• Effect on Businesses
• Noise Management
• Communications with Residents
• Restoration of the Site
• Questions

3
Project Site Plan
H5 We Weather Pump Station Control Vault
4
Construction Preliminary Schedule
5
Pre-Construction Activities

• June 2015 August 15, 2015
• Pre-Construction Survey
• Soil Sampling
• Utility Locations

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First Phase of Construction

• August 15, 2015 December 30, 2015
• Emergency Generator
• Remove existing generator and provide temporary
  generator
• Pour Generator Pad
• Install Emergency Generator
• Control Vault
• Excavation and Sheeting
• Pour Concrete Foundation, Walls, and Top Slab
• Install equipment in vault
• Pump Station
• Excavation and Sheeting
• Pour Concrete Foundation, Walls, and Top Slab

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Maxwell Place Engineered Cap

• The current cap is represented in the Figure
  below
• The cap or engineered controls has always been
  a semi-permeable layer and is not a vapor
  barrier.
• There is no active vapor management system only
  engineered controlled fill and semi-permeable
  materials over the site. (e.g. concrete, asphalt
  and pavers).

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Construction LSRP During Construction

• LSRP During Construction Provide Notification to
  NJDEP
• HOA as Property Owner
• Workers
• LSRP During Construction Coordinate the
  Engineered Controls Monitoring
• Air Monitoring
• Soils Monitoring
• Maintain Records During Disruption of Engineered
  Cap
• Contractor to Prepare Record Drawings of New
  Structures and Replacement of Engineered Controls
• LSRP of Record Document Disruption to Remedial
  Action Permit at Next Bi-annual Certification
• LSRP During Construction to Coordinate with LSRP
  of Record

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Construction LSRP Plan During Construction

• Baseline
• LSRP will perform baseline data collection, along
  11th Street, for dust and VOC before any
  intrusive activities begins.
• Monitoring
• The site will be monitored during excavation at
  the site until a time that it is no longer
  necessary.
• Based on the review of the chemicals listed in
  the Deed Notice the LSRP has established Trigger
  Levels for proposed intrusive activities where a
  notification would be provided to the Authority
  which is well below a contaminant
• LSRP Plan
• Project Specific LSRP Plan will be available
  prior to construction activities.

10
Construction Process Access

• Traffic
• Plan has been developed and will be submitted to
  the City during Pre-Construction Phase
• Goal is to provide as much maintenance access as
  possible
• Plan has incorporated feedback from HOA Board
• Uninterrupted Access to Parking Garage
• East-Bound Traffic Lanes (Between Sinatra Drive
  North and Hudson Street) Open at All Times
• West-Bound Traffic Lanes Temporary Closures
• Limited Truck Traffic
• Concentrated During Excavation and Concrete
  Placement
• No Need for Constant Trucks In and Out of Site

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Construction Process Access

• Access at the Site
• Limited Truck Traffic
• Concentrated During Excavation and Concrete
  Placement
• No Need for Constant Trucks In and Out of Site
• Sidewalks
• South Sidewalk Open at All Times
• South Sidewalk Maintain Drop-Offs for School
• North Sidewalk Brief Intervals of Closure
  Between Sinatra Drive North and Hudson Street
• Parking
• No Street Parking During Construction Hours
• Limited Parking During Non-Construction Hours
  on Weekends

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Construction Process Businesses

• Effect on Local Businesses
• Sidewalk Access Permits Unimpeded Foot Traffic to
  Local Businesses
• Traffic Controls at Site Should Not Impact
  Businesses
• Drop-off Point Will Be Maintained During
  Construction
• Parking Access May Have Limited Effect
• Parking Garage Access Remains In Place
• Restrictions on Street Parking May Have Limited
  Impact

13
Construction Process Noise Management

• Noise Reduction
• Hours of Construction Limited to Reduce Community
  Disruption
• Monday through Friday Only
• Between Hours of 8 am to 5 pm
• No Weekend or Off-Hour Construction Activity
• No Pile Driving East of Hudson Street
• Substantially Less Noise without Need for Piles

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Construction Cooling Condensers

• The Cooling Condensers Only Operate to Cool the
  Controls When the Pumps Run
• The Condensers Have a Sound Rating of 46 55 dB
  at the units, similar to a Refrigerator at 50 dB.

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Construction Process Communications

• Keeping Residents Informed
• Monthly Progress Report Posted on North Hudson
  Sewerage Authority Website http//www.nhudsonsa.co
  m/
• Onsite Construction Field Office
• Executive Director and Authority Engineer
  Available for Update Meetings
• 24/7 Community Outreach Hotline on Website
• (866)-689-3970

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Restoration of Site

• Street
• Complete repaving of 11th Street
• Both Sides Between Sinatra Drive North Hudson
  Street
• Restoration of Island Landscaping
• Blend Covers into Landscape Plan

17
Questions?
North Hudson Sewerage Authority1600 Adams
Street Hoboken, NJ 07030 Phone
(201)-963-6043 http//www.nhudsonsa.com/
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Schedule - Notes

• Note 1 Air Monitoring Continues Through
  Excavation and until temporary restoration is
  completed
• Note 2 Soil Monitoring Continues Through
  Excavation and until temporary restoration over
  soils
• Award of Contract June 2015
• Notice to Proceed Issued on July 1, 2015
• Construction Contract Duration is 490 days (400
  days to Substantial Completion and additional 90
  days to Final
• Minimal Site Activity First 90 Days of
  Construction Contract Period for Shop Drawing
  review and approval
• Site Mobilized August 2015
• Heavy Construction Complete August 2016
• Final Completion October 2016

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Timeline Descriptions

• 1A - Award of Contract
• 1B - LSRP Plan Approval
• 1C -Shop Drawing Review (Assumed 90 Days)
  Concurrent with Task 1,2 3.
• 1D - Pre-Construction Survey (Photographic record
  of project area, i.e. buildings, sidewalks,
  roads, etc.)
• 2 - In-Situ Soil Sampling and Utility locates
• 3 - Temp Relocate Ex. Generator and Construct
  Generator Pad
• 4A - Air Monitoring ( Note 1 Continues Through
  Excavation and until temporary restoration is
  completed)
• 4B - LSRP Site Monitoring (Note 2 Soil
  Monitoring Continues Through Excavation and until
  temporary restoration over soils )
• 5A - Sheeting and Excavation of Control Vault
  Sub-Project
• 5B - Control Vault Construction
• 6A - Sheeting and Excavation of Pump Station
  Sub-Project
• 6B - Pump Station Construction
• 7 - Relining outfall
• 8 - Start-up and Testing
• 9 - Final Restoration