Potom ac Shores Water Tank Project September 13, 2017 SA Project - - PowerPoint PPT Presentation

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Potom ac Shores Water Tank Project September 13, 2017 SA Project - - PowerPoint PPT Presentation

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Potom ac Shores Water Tank Project September 13, 2017 SA Project Manager: David L. Guerra, P.E. Design Engineer: Hazen and Sawyer Agenda Purpose of the Project Project History Preliminary Design Parameters Anticipated Project Duration Next

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Potom ac Shores Water Tank Project

September 13, 2017

SA Project Manager: David L. Guerra, P.E. Design Engineer:

Hazen and Sawyer

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SLIDE 2

Agenda

Purpose of the Project Project History Preliminary Design Parameters Anticipated Project Duration Next Steps Contacts Q&A

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Purpose of the Project

Improve Service and Reliability to the Community

Provides additional storage volume to help maintain system pressures during peak demands Provides fire protection storage Provides emergency storage in the event of a main break or power outage Improves operational efficiency

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Project Location

Project is located in the Potomac Shores area,

  • ff River Heritage Boulevard

This location provides:

A site near the customers to be served in the Dumfries and Potomac Shores areas A high ground elevation to minimize cost and

  • ptimize hydraulic performance

An existing, proffered easement

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Project History

Tank requirement identified in the late 1990’s with the County’s development of the Cherry Hill Sector Plan Tank first shown on the 2003 PWC Comprehensive Plan Map and continues to be shown on the current map Tank introduced in the Service Authority’s 2005 Capital Improvement Program Site easement, access road and water main provided by the Developer per proffer agreements Preliminary Engineering Report (PER) to evaluate tank siting alternatives completed in October 2016 First Community Outreach Meeting held on February 13, 2017

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Prelim inary Design Param eters

Style

Hydropillar – steel bowl with steel fluted column base (most common style used by the Service Authority) Site will incorporate the Service Authority’s standard security features of fencing and lighting

Size & Dimensions

2 million gallon capacity Upper bowl diameter about 100 feet Base diameter about 75 feet Tank height approximately 135 feet

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Service Authority’s 2 MG Dom inion Valley Tank

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Service Authority’s 2 MG Gainesville Tank

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Overall Aerial View

River Heritage Boulevard Potomac Shores Parkway

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Site Aerial View

Tank Site River Heritage Boulevard

Access Road

View of Proposed Tank from River Heritage Boulevard and Dominican Drive

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View of Proposed Tank from River Heritage Boulevard and Dom inican Drive

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Anticipated Project Schedule

Design and Permitting:

  • May 2017 – March 2019

Community Outreach: Ongoing PWC Public Facility Review Process:

  • July 2017 – November 2017

Start of Construction:

  • Fall 2019

Construction Phase:

  • 18 to 24 Months
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Next Steps

Final Design PWC Public Facility Review (PFR) Process

  • County sends out notification of the Planning Commission Meeting to

area residents

  • Public can provide input at the Planning Commission Meeting
  • Anticipated date: November 1, 2017

Design continues to meet PFR approval requirements

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Contacts

Kathy Bentz

Community Relations and Outreach Manager Phone: 703.335.8944 Email: potomacshorestank@pwcsa.org

Project Website: https://www.pwcsa.org/potomac-shores-tank

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SLIDE 15

Q & A

Questions?