Lexington Harbor Breakwater Repair

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Summary from the notice

***Amendment 0002 is issued to extend the bid due date, extend the bid opening date, incorporate Davis-Bacon Act Wage Determination MI20260049, extend the Request for Information period, revise drawing and specification sheets, provide images of the work site without snow cover, provide the site visit attendee list. Reference the amendment document for full details. ***Amendment 0001 is issued to remove FAR Clause 52.236-27 - Site Visit (Construction) and to provide organized site visit information within Section 00 21 13 - Instructions to Bidders. Reference the amendment for full details.*** Lexington Harbor Breakwater Repair. This project includes breakwater repair operations at Lexington Harbor. The north breakwater is a permeable rubble mound structure and allows sand shoaling within the harbor. Voids in the north breakwater are exacerbating sediment infiltration within the harbor. A walkway is present atop the north breakwater. The walkway is approximately 5 feet wide and generally in good condition. The north breakwater voids are partially sand filled. The sand fill depth varies; however, sand generally extends to the existing water elevation. The project objective is to alter the existing permeable rubble mound breakwater structure to an impermeable structure. The proposed scope of work includes constructing a grout curtain wall within the structure. The proposed grout curtain wall is chemical grout and a cementitious grout material. The chemical grout material is prop…

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