Fy26 Duluth Superior Harbor Maintenance Dredging

solicitation

Closed

***** Amendment 0001 is issued to extend the bid due date ***** This Invitation for Bid is being solicited as Full-and-Open Competition. Mobilize a dredge to the Duluth-Superior channel and perform mechanical dredging within the channel. Dredging will be required within the following areas: Dredge Area 3: Duluth Anchorage Area, Dredge Area 6: East Gate Basin, Dredge Area 11: Superior Front Channel (Near Barkers Island), Dredge Area 17: Superior Entry (between the pier structures and breakwater structures). The contract also includes options to perform additional dredging within Dredge Area 3 at the Duluth Anchorage Area and Dredge Area 14 near the mouth of the Nemadji River. Dredged material will be mechanically placed at the Erie Pier Confined Disposal Facility (CDF). Placement at this facility will require material to be washed to segregate fine to coarse grained sands from silty poorly draining material. The sand will have to be stockpiled on site. Every 10,000 CY of washed sand will require a sieve analysis to confirm the washing operations is sufficiently separating the fines from the sand. The Contractor would then demobilize when dredging and material placement are complete.

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