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Pownal Dam

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Bid Information

Bid Alert No: 00000594014

Bid Title: Pownal Dam

Agency Bid No. Title: Not Stated

Received Date: 06/08/2016

Close Date: 06/24/2016

Purchase Type: Not Stated

Delivery Point:

Delivery Date: Not Stated


Specifications include, but are not limited to:Lincoln Applied Geology and our client Hoosic River Hydro, LLC, are requesting proposals from qualified excavating companies with river dredging and river work experience to dredge and stockpile sediments, dewater sediments, and load sediments into trucks for offsite shipment. Work is expected to begin in late July 2016. EPA brownfields loan funding may be used to perform the work. Scope of Services In order to redevelop the dam for power generation, it is necessary to remove up to 1,500 cubic yards of sediment that has accumulated upstream of the dam. Lincoln Applied Geology (LAG) performed a Phase II Environmental Site Assessment to determine contaminant concentrations in sediments upstream of the dam. An engineering firm has calculated the volume of sediments in the areas where accumulated sediment will be removed for optimal operation of turbines. Some polychlorinated biphenyls (PCBs) were detected upstream of the dam, which originated from a former electronic manufacturing facility upstream. However, the PCB concentration in sediments slated for removal did not exceed 1 part per million. Based on concentrations of other contaminants such as polynuclear aromatic hydrocarbons (PAHs) in the sediments to be removed, the sediments cannot be used as clean fill. Moreover, they cannot be permanently stockpiled on the adjacent Pownal Tannery site due to its Superfund status. Therefore the sediment will be temporarily stockpiled and dewatered on the Superfund site, if allowable. After dewatering, the sediment will be shipped to a lined landfill for disposal

Bid Related Documents

Download Solicitation Notice

Product Code: 95939

Agency Information

Issuing Agency: Lincoln Applied Geology, Inc.

State: Vermont

Agency Type: State and Local




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