Peirce Island WWTF Upgrade Construction Public Information Meeting - - PowerPoint PPT Presentation

Peirce Island WWTF Upgrade Construction

Public Information Meeting May 24, 2017

T

• pics of Discussion
• Introductions
• Work Completed Since Last Meeting
• Work to be Completed in Coming M onth
• Work Anticipated in Next 6 Months
• Events & Recreation
• Public Input/ Comments/ Concerns
• Next Meeting

May 24, 2017 Peirce Island WWTF Upgrade Construction 2

Introductions

• City Staff:

– Don Song, Wastewater Project Manager, 603-610-7305

dsong@cityofportsmouth.com

– T

erry Desmarais, City Engineer, 603-766-1421 tldesmarais@cityofportsmouth.com

• Website:

http:/ / www.portsmouthwastewater.com/ piupgrade.html

– News and Updates – Recreational Info – Project Info – Report Form – Etc.

Peirce Island WWTF Upgrade Construction 3 May 24, 2017

September 19, 2016 Peirce Island WWTF Upgrade Construction 4

Headworks Construction Sludge Thickener Construction

Areas of Ongoing Construction May 2017

Headworks Grit Building Primary Clarifier

• No. 2

Primary Clarifier

• No. 1

GT1 GT2 Solids Processing Building Biological Aerated Filter (BAF) Chlorine Contact Tank Ops. Bldg Gen Elec Permanent Fence Construction Staging Fence Chem. Piscataqua River

New Pump Station Existing Filter Building Demolition & BAF Building Excavation & Construction Y ard Piping and Utility Service

Work Completed Since Last Meeting

Peirce Island WWTF Upgrade Construction 5 May 24, 2017

Work Completed Since Last Meeting

Peirce Island WWTF Upgrade Construction 6 May 24, 2017

Work Completed Since Last Meeting

Peirce Island WWTF Upgrade Construction 7 May 24, 2017

Work Completed Since Last Meeting

Peirce Island WWTF Upgrade Construction 8 May 24, 2017

Work Completed Since Last Meeting

Peirce Island WWTF Upgrade Construction 9 May 24, 2017

Work Completed Since Last Meeting

Peirce Island WWTF Upgrade Construction 10 May 24, 2017

Work Completed Since Last Meeting

Peirce Island WWTF Upgrade Construction 11 May 24, 2017

Work Completed Since Last Meeting

Peirce Island WWTF Upgrade Construction 12 May 24, 2017

Work Completed Since Last Meeting

Peirce Island WWTF Upgrade Construction 13 May 24, 2017

Work Completed Since Last Meeting

Peirce Island WWTF Upgrade Construction 14 May 24, 2017

Work Completed Since Last Meeting

Peirce Island WWTF Upgrade Construction 15 May 24, 2017

Work to be Completed in Coming Month

• Continue underground piping installation near the new

Headworks Building

• Begin installation of brick façade of the new Headworks Building
• Begin installation of roof system of the new Headworks Building
• Complete installation of the new Sanitary Pump Station
• Continue installation of utilities near the new Sanitary Pump

Station

• Complete excavation of the existing Filter Building (on Shapleigh

Island side of site), including blasting and rock excavation

• Begin reinforcing steel for the BAF Building foundation

Peirce Island WWTF Upgrade Construction 16 May 24, 2017

Work to be Completed in Coming Month, Cont.

• Continue excavation and installation of new underground power

and communications ductbank, beginning near the pool

• Demolish duct bank and scum tank to prepare for generator

installation

• Begin excavation and construction of concrete pads for the new

Electrical Building and standby generator

• Continue excavation and installation of underground piping near

new Gravity Thickener

• Leak test the new Gravity Thickener
• Complete parking lot improvements

Peirce Island WWTF Upgrade Construction 17 May 24, 2017

September 19, 2016 Peirce Island WWTF Upgrade Construction 18

Headworks Construction Sludge Thickener Construction New Electrical Facilities

Anticipated Construction May 2017 – September 2017

Headworks Grit Building Primary Clarifier

• No. 2

Primary Clarifier

• No. 1

GT1 GT2 Solids Processing Building Biological Aerated Filter (BAF) Chlorine Contact Tank Ops. Bldg Gen Elec Permanent Fence Construction Staging Fence Chem. Piscataqua River

New Pump Station Existing Filter Building Demolition & BAF Building Excavation & Construction Grit Building Construction Y ard Piping and Utility Service

Work to be Completed in Coming Month, Cont.

Peirce Island WWTF Upgrade Construction 19 May 24, 2017

Reconstruction

• f Four Tree

Island Parking Lot

Work to be Completed in Coming Month, Cont.

Peirce Island WWTF Upgrade Construction 20 May 24, 2017

Boat Ramp Overflow Parking Lot

Events and Recreation

• Upcoming

– Market Square Day – Big Brothers Big Sisters Race – March of Dimes Walk

Peirce Island WWTF Upgrade Construction 21 May 24, 2017

Public Input / Comments / Concerns

Next Meeting

• Public Construction Meeting

– Next Meeting: June 21, 2017, 11:00 AM

• City Council / Public Site T
• urs

– June 20, 2017 – More details to be announced

Peirce Island WWTF Upgrade Construction 23 May 24, 2017