Greenbridge Construction
Woodbine, MD 21797
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GSA NCR (WPG) J W Powell Bldg
Project Information
- Project Location:
- Reston, VA
- Status:
- Completed
- Structure Type:
- Tunnel
Scope Of Work
Remove and replace entire concrete overpass deck including the installation of concrete, formwork, reinforcing bars, waterproofing, and aphalt topping section, and repair tunnel walls. Remove and reinstall, or protect in place, utilities mounted to the underside of the slab, including, but not limited to: light fixtures, conduit, cameras, sprinkler pipes, pipes remove and replace all deteriorated and chloride contaminated concrete slab/deck in the areas noted on the plans. Perform vertical concrete wall patch repairs and crack injection on the overpass walls, in the tunnel. Replace concrete slab/deck, including formwork and steel reinforcing bars. Provide a waterproofing membrane on the concrete slab/deck prior to asphalt topping. Install new asphalt pavement topping.