Attachment D - Technical Specifications.pdf

This is a Technical Specifications attachment for a roof replacement project at the 11 West Quincy Court building in Chicago, Illinois. The specification document outlines the detailed requirements for removing the existing vegetated roof system and installing a new conventional roof system. Key technical requirements include removal of existing roof drains and the vegetated roof system down to the concrete deck, concrete deck repair and preparation, installation of a vapor retarder, new roof drains, insulation materials, roof membrane system, and coping installations. The specifications establish performance standards and material quality requirements to ensure the new roof system meets durability and weatherproofing standards appropriate for the building's climate and use.

The project is being procured under GSA's RFO Part 12 (Acquisition of Commercial Products and Commercial Services) with an estimated contract value between $1,000,000 and $3,000,000. The performance period is 225 days from issuance of the On-Site Notice to Proceed to achieve Substantial Completion, with Contract Completion required within 20 calendar days thereafter. This is a sources sought notice under NAICS code 238160 (Roofing Contractors) with a small business size standard of $19.0 million, conducted by GSA's Office of Acquisition Management, Project Delivery Contracting Division - Central to identify qualified contractors and gather industry feedback on commercial practices and approaches for the roof replacement work.