Rehabilitate Lift Lock #3 & #4 CHOH 150696/150699

This contract, managed by the Department of the Interior's DSC Contracting Services Division, involves the rehabilitation of Lift Lock 3 and Lift Lock 4 at the Chesapeake and Ohio National Historic Park in Georgetown, Washington, D.C. The project scope for Lock 3 is extensive, requiring the cataloging and disassembly of lock walls, the construction of a new foundation, rebuilding the lock with original and supplemental stone, installing new gates, and restoring the surrounding landscaping and plaza paving. For Lock 4, the work focuses on the rehabilitation of existing stone walls through mortar joint repair, partial wall reconstruction, and dutchman repairs. Additionally, the contract includes a bid option for the replacement of both the upper and lower canal gates for Lock 4. The project is categorized under NAICS code 237990 and was administered by contracting specialists Paula Johnson and Pamela Mault.