WASHINGTON, May 14 -- The U.S. Court of Appeals for the Federal Circuit issued the following opinion on April 16:

Appellant Jemison & Partners, Inc. (Jemison) and the Army Corps of Engineers (Corps) entered into a contract for greenspace restoration in 2019. That restoration included placing topsoil along a portion of Jefferson Avenue's median in Orleans Parish, Louisiana. For the topsoil placement, the parties dispute whether their contract requires a unit-price or lump-sum payment. That is, does the contract require the Corps to pay Jemison for the actual quantity of topsoil placed or a lump sum based on the quantity of topsoil the parties estimated would be placed?

Jemison appealed to the Armed Services Board of Contract Appeals (Board...