Peirce Island WWTF Upgrade Construction Public Information Meeting May 24, 2017
T opics 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. May 24, 2017 Peirce Island WWTF Upgrade Construction 3
New Pump Piscataqua River Station Areas of Ongoing Construction May 2017 Chlorine Contact Tank Ops. Bldg Gen Chem. Existing Filter Elec Building Permanent Biological Fence Aerated Demolition & Y ard Piping and Filter (BAF) Headworks BAF Building Utility Service Construction Excavation & Construction Primary Solids Grit Clarifier Processing Building No. 2 Building GT1 Primary GT2 Clarifier Construction No. 1 Headworks Staging Fence Sludge Thickener Construction September 19, 2016 Peirce Island WWTF Upgrade Construction 4
Work Completed Since Last Meeting May 24, 2017 Peirce Island WWTF Upgrade Construction 5
Work Completed Since Last Meeting May 24, 2017 Peirce Island WWTF Upgrade Construction 6
Work Completed Since Last Meeting May 24, 2017 Peirce Island WWTF Upgrade Construction 7
Work Completed Since Last Meeting May 24, 2017 Peirce Island WWTF Upgrade Construction 8
Work Completed Since Last Meeting May 24, 2017 Peirce Island WWTF Upgrade Construction 9
Work Completed Since Last Meeting May 24, 2017 Peirce Island WWTF Upgrade Construction 10
Work Completed Since Last Meeting May 24, 2017 Peirce Island WWTF Upgrade Construction 11
Work Completed Since Last Meeting May 24, 2017 Peirce Island WWTF Upgrade Construction 12
Work Completed Since Last Meeting May 24, 2017 Peirce Island WWTF Upgrade Construction 13
Work Completed Since Last Meeting May 24, 2017 Peirce Island WWTF Upgrade Construction 14
Work Completed Since Last Meeting May 24, 2017 Peirce Island WWTF Upgrade Construction 15
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 May 24, 2017 Peirce Island WWTF Upgrade Construction 16
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 May 24, 2017 Peirce Island WWTF Upgrade Construction 17
New Pump Piscataqua River New Electrical Station Facilities Anticipated Construction May 2017 – September 2017 Chlorine Contact Tank Ops. Bldg Gen Chem. Existing Filter Elec Building Permanent Biological Fence Aerated Demolition & Y ard Piping and Filter (BAF) Headworks BAF Building Utility Service Construction Excavation & Construction Primary Solids Grit Clarifier Processing Building No. 2 Building GT1 Primary GT2 Clarifier Construction No. 1 Headworks Staging Fence Sludge Thickener Construction Grit Building Construction September 19, 2016 Peirce Island WWTF Upgrade Construction 18
Work to be Completed in Coming Month, Cont. Reconstruction of Four Tree Island Parking Lot May 24, 2017 Peirce Island WWTF Upgrade Construction 19
Work to be Completed in Coming Month, Cont. Boat Ramp Overflow Parking Lot May 24, 2017 Peirce Island WWTF Upgrade Construction 20
Events and Recreation • Upcoming – Market Square Day – Big Brothers Big Sisters Race – March of Dimes Walk May 24, 2017 Peirce Island WWTF Upgrade Construction 21
Public Input / Comments / Concerns
Next Meeting • Public Construction Meeting – Next Meeting: June 21, 2017, 11:00 AM • City Council / Public Site T ours – June 20, 2017 – More details to be announced May 24, 2017 Peirce Island WWTF Upgrade Construction 23
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