LOCK AND DAM 4 END CELL, MISSISSIPPI RIVER BASIN, ALMA, WISCONSIN   4

***Amendment 7 incorporates FAR Clause 52.204-27 "Prohibition on a ByteDance Covered Application".***

***Amendment 6 incorporates changes to the specifications, removes and replaces the Bid Schedule, updates teh Davis-Bacon Act Wage Determination, and answers Vendor questions.***

***Amendment 5 extends the bid due date, incoportates changes to the plans and specs, answers Vendor submitted questions, and updates the Davis-Bacon Act Wage Determination***

***Amendment 4 extends the bid due date and edits FAR 52.211-10 Alt I.***

***Amendment 3 documents the site visit and removes and replaces W912ES22B0010_Specs.pdf***

***Amendment 2 posted 4/25/2023: Changed site visit and bid due dates***

***Amendment 1 posted 4/17/2023: Changed site visit and bid due dates***

LOCK AND DAM 4 END CELL, MISSISSIPPI RIVER BASIN, ALMA, WISCONSIN

The following is an Invitation for Bid (IFB).

The U.S. Army Corps of Engineers (USACE), St. Paul District has a requirement for a contractor capable of providing all labor, material, and equipment necessary to meet the requirements for the Lock and Dam No. 4 Lower Guide Wall End Cell project.

Scope of work is to construct a pile founded, concrete tremie filled 33 ft diameter sheet pile cell adjacent to the downstream end of the lower guide wall at Lock and Dam No. 4 in Alma, WI. Designed as an independent structure, the main function of this end cell is to protect the existing guide wall from further distresses, no loads will be transferred from the end cell to the existing guide wall structure. For creating a smooth and flush riverward transition, a precast structural wall panel will be installed along the riverward vertical face between the existing guide wall structure and newly constructed end cell. The 33 ft diameter steel sheet piling cell will act as stay in place formwork for the tremie filled concrete. A Thermal Analysis will be required for approval prior to the placement of concrete. If construction is to take place during the navigation season a helper boat will also be required. Demolition will include the existing gage house, concrete along the existing tie-back wall, and a 2 ft thick underwater concrete scour apron and riprap. Concrete repair includes vertical surfaces repairs long a downstream wingwall. In addition, an underwater 2 ft thick concrete scour protection apron and riprap will be placed.

The anticipated magnitude of this project is between $5.0 Million and $10.0 Million.

The North American Industry Classification System (NAICS) code for this project is 237990; Other Heavy and Civil Engineering Construction with a size standard of $45.0 Million.

The resulting contract shall be a Firm, Fixed-Price contract.

The solicitation is a Total Small Business set-aside.

The solicitation is an Invitation for Bid (IFB).

No CD's or hard copies of the solicitation will be available. Offerors are responsible for checking the Contract Opportunities website (https://sam.gov/content/opportunities) for any update(s) to the solicitation. The Government is not responsible for any loss of Internet connectivity or for an offeror's inability to access the document posted at the referenced website.

There is no Plan Holder List for this project. The interested vendors list is listed as part of the solicitation posting on the Contract Opportunities website. In order to view this list, vendors will need to sign into their SAM account.

As required by 15 U.S.C. 644(w), the Corps of Engineers' policy and procedures, as well as past performance information, in regard to definitization of requests for equitable adjustments is found at https://www.usace.army.mil/Business-With-Us/Partnering.

In order for contractors to conduct business with the Department of Defense, the contractor must provide registration information to the System for Award Management (SAM). All Offerors must be registered in SAM prior to receiving an award, have an active SAM account, and have the Representations and Certifications (FAR and DFARS) sections completed prior to award. Registration instructions may be obtained, and online registration may be accomplished, at https://sam.gov/content/entity-landing.