Proposal Date: 08/05/2026 Proposal #: TL1227 PROJECT: Vault S-2 10” Expansion Joint M&M will provide…

George Mason University in Virginia awarded a contract to M&M Welding and Fabricators, Inc. on August 5, 2026, for specialized mechanical work on a vault expansion joint system. The contract, identified as PO05430458, carries a cumulative value of $8,300.00. M&M Welding and Fabricators, Inc. will serve as the prime contractor responsible for all supervision, labor, equipment, and materials necessary to complete the project scope.

The scope of work encompasses the removal of one existing 10-inch expansion joint and installation of two new 10-inch #300 slip-on flanges into the existing system, followed by installation of one new customer-provided 10-inch flanged expansion joint with new gaskets and fasteners. Additional work includes reinsulation of the new components to match the previously removed calcium silicate insulation, reinstallation of existing insulation blanking, jobsite cleanup, and witness attendance during online testing. The contract requires the contractor to implement proper lockout/tagout procedures, execute jobsite mobilization and demobilization, and remain onsite for system commissioning. The project, designated as Vault S-2, was formalized under Proposal #TL1227.