Amendment 0008_BOS XYZ.zip

This document provides details on a federal contract solicitation to remove material as part of the Boston Harbor Navigation Improvement Project-Phase 3 Rock Removal. The U.S. Army Corps of Engineers seeks a contractor to remove rock and other materials from the Main Ship Channel, Reserved Channel, and President Roads Anchorage in Boston Harbor to achieve authorized project depths of -49 feet in most areas and -42 feet in one limited area of the Main Ship Channel. The contractor must remove all material within the -49 foot contour limit and is allowed a 2-foot overdepth. A CAD file detailing the contour limits will be provided. Payment will be made for a 1ft.V:1ft.H side slope. The majority of material to be removed consists of rock with some ordinary materials like clay, silt, sand and gravel remaining as overburden. Bids are due by the date specified in solicitation number W912WJ21B0001.