Project Info
Location
James River Bridge, Hampton, VA
Period of Performance
June 16 – December 23, 2015
Description of Work
UMX completed 140 total structural jacket installations for the power line supports running adjacent to the James River Bridge in Hampton, VA. The project consisted of excavating 4’ below the natural bottom, placing of bottom seals’ standoffs, fiberglass Denso jackets, and rebar cages. A total of 204 jackets were installed ranging from 10’ to 40’ in jacket length. Diving operations were conducted two miles from shore off of a 30’ x 100’ crane barge.
UMX provided the following services for this project:
- Dredging 4’ below natural bottom, using Toyo hydraulic pumps
- Pressure washing pile with 7000 psi pressure washer unit
- Crane and barge ops/movements
- On-water vessel transportation
- Installation of rebar cages
- Underwater pumping of concrete aggregate mix
