Amend 01 BLDG 52 Windows Replacement North Side.

The work consists of furnishing all plant, labor, equipment, and materials to perform all work in strictaccordance with the drawings and specifications to replace 189 windows around the North elevation ofBuilding 52. Additionally, 6 non-standard lunette/multi lite windows will be repaired and 15mechanical openings that will be replaced or repaired in-kind with MAPES Panels or louvers. B52 is ahistoric building and all work must conform to the Secretary of Interiors standard and guidelines forrehabilitation of historic properties. This acquisition will require a general contractor with experience andexpertise capable of managing numerous task orders at the same time, which will require constructionscheduling, cost estimating, quality control, and coordination of subcontractors in a wide var