Attachment_B_-_Specifications.pdf

This is a specifications attachment for a construction services solicitation issued by the District of Columbia Department of General Services for the Metropolitan Police Department's compartmented access area at Marion S. Barry, Jr. Building located at 441 4th Street NW, Washington, DC 20001. The specifications document outlines detailed construction standards and requirements for the project, including acceptable and unacceptable wall sealing methods, open storage construction standards, perimeter air duct penetration details, acoustic wall construction specifications, and door requirements. The document provides visual references and technical guidance to ensure contractors understand the quality standards expected for wall finishes, including requirements that walls be uniformly finished and painted from true floor to true ceiling, sealed where walls abut floor pans, and that all wall penetrations be properly sealed. The specifications emphasize acoustic rating compliance and continuous wall assembly integrity as critical components of the construction work.

The specifications document serves as Attachment B to the Invitation for Bids and provides the technical framework by which contractors must execute the compartmented access area construction. These detailed specifications work in conjunction with Attachment A (Drawings) to define all products, materials, and construction methodologies required for project completion. The document includes multiple reference standards and typical construction details to guide contractor performance and ensure consistency with District of Columbia Department of General Services standards for federal government construction projects.