Attachment 5 - QA Document.pdf

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Attached to
Lagoon Sludge Survey, Sampling, and Analysis
Solicitation number
FA4528-26-Q-TB-03
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This is a Questions and Answers (Q&A) document for federal solicitation FA4528-26-Q-TB-03, issued by the Contracting Officer on 22 July 2026. The document addresses inquiries regarding the physical characteristics of lagoons at Minot Air Force Base.

The Q&A clarifies that the Minot AFB lagoons are equipped with clay liners, and provides the bottom elevation for each of the six lagoon cells. The elevations are as follows: Cell 1 at 1620, Cell 2 at 1619, Cell 3 at 1619, Cell 4 at 1643, Cell 5 at 1641, and Cell 6 at 1639. This technical information is provided to support bidders' understanding of the lagoon infrastructure relevant to the solicitation.

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Text version

Q&A Document for Solicitation FA4528-26-Q-TB-03

CAO: 22 July 2026

Q: Typical lagoons have a liner or non-penetrating material with a known elevation. Do these lagoons have a liner of some sort and if so, is there an elevation associated with the liner?

A: The Minot AFB lagoons utilize a clay liner. Below are the elevations I have associated with the lagoons liner.

Cell Bottom Elev.

1 1620 2 1619 3 1619 4 1643 5 1641 6 1639

File details come from the government source that posted it. Updated .