Amendment 0004 - Summary of Changes.pdf

This document provides details on Amendment 0004 to Solicitation Number W9123821B0001 for the Sacramento River East Levee Contract 2 project. The amendment revises two specification sections and one drawing, and moves the location of the "Base Contract Total" line in the pricing schedule. The solicitation is for a firm-fixed price construction contract with the U.S. Army Corps of Engineers to construct approximately 1.8 miles of various types of seepage cutoff walls along three reaches of the Sacramento River East Levee. The $25 million to $100 million project includes utility relocations, work adjacent to an active railroad, well modifications, replacement of a city sump, and contaminated soil handling. All work must be completed by December 2021 with levee reconstruction by September 2021. The solicitation will be unrestricted and use contractors from the project's Pre-Qualified Sources List. It is estimated to issue on October 30, 2020 with bids due November 30, 2020 on beta.sam.gov.