260-A9260-018 Trail Bridge Replacement & Stream St...

Northern Virginia Community College -NVCC Manassas Campus of Northern Virginia Community College

The project is generally described as âreplacing the existing pedestrian bridge and performing stream stabilization in thesurrounding channel in accordance with the plans. The work includes installation of grade control features such as constructed riffles, step pools, and log/stone structures to stabilize the stream bed and banks, reduce erosion, and restore natural channel function. Stream banks will be regraded and stabilized with matting and native vegetation, and all in-stream work will be performed in accordance with erosion and sediment control requirements. Civil work includes site grading, demolition of the existing structure, installation of erosion and sediment controls, temporary stream diversion, and restoration of disturbed areas. The new bridge will be constructed to accommodate pedestrian and maintenance access and will be coordinated with the stream restoration to ensure long-term stability and hydraulic performance.

IFB Construction

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