Under Federal contracts requiring that equipment (e.g., pumps, fans, generators, chillers, etc.) be installed in a project, the Government must determine that the equipment meets the contract requirements. Therefore, the contractor must submit sufficient data on the particular equipment to allow the Government to analyze the item, in accordance with the FAR clause at 52.236-5.
The latest form for Certain Federal Acquisition Regulation Part 36 Construction Contract Requirements - FAR Sections Affected: 52.236-5, 52.236-13 Alternate I, and 52.236-15 expires 2021-09-30 and can be found here.