Microtunneling Bradshaw Company Maryland TUNNELING SPECIALISTS SINCE 1963      
 

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  564 - Arkendale-Powell's Creek Third Track Project

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Pipe Rehab Slip Lining Quantico, VA CSX Transportation, Inc. N/A 38' x 60"Ø
SUMMARY: Bradshaw completed an emergency slipline repair project for KC Constructors (Kiewit-Clark JV). During the construction of a new track for CSX railroad, supportive steel sheeting was driven through an existing 60 inch RCP storm drain, requiring corrective measures. KC Constructors subcontracted Bradshaw to diagnose and repair the damage. After an initial exploration, 50 linear feet of 54 inch FRP... Complete Project Profile

  482 - Dundalk Marine Terminal

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Pipe Rehab Sekisui SPR Baltimore, MD Honeywell, Inc. Soft Ground 8,552' x 15'-94" Ø
SUMMARY: Bradshaw Construction Corporation successfully rehabilitated 75 storm drains at the Dundalk Marine Terminal located in Baltimore, MD. This was the first time that Sekisui's SPR reline technology was used in a non-man-entry fashion in the US - highlighting our commitment to incorporating cutting edge technologies in our work. Sekisui SPR was used to rehabilitate the storm drains that ranged from... Complete Project Profile

  469 - Fanwood Storm Sewer Reconstruction

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Pipe Rehab Sekisui SPR Plainfield, NJ Borough of Fanwood N/A 1,000' x 72" Ø
SUMMARY: Bradshaw was contracted to rehabilitate a sewer pipe in a residential area by relining. The steel reinforced spiral wound lining was used for 264 linear feet of 66 inch and 1,000 linear feet of 72 inch corrugated metal pipes. This also included grouting in place. The greatest challenge of the project was working in a live storm sewer which required careful attention to the weather as bypass... Complete Project Profile

  454 - Claymount Avenue Sewer Repair

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Pipe Rehab Slip Lining Baltimore, MD Baltimore City Soft Ground 168' x 30" Ø
SUMMARY: Bradshaw Construction was contracted by Baltimore city to perform an emergency repair and rehabilitation of a collapsed brick sewer causing sewage back-up and flooding in a residential area. Bradshaw excavated down and removed the damaged portion along with the top of the sewer. Then, 30" PVC slip-lining pipe was inserted into the sewer and pushed along the existing pipeline. When the entire... Complete Project Profile

  446 - Indian Creek Sewer Rehabilitation

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Pipe Rehab Slip Lining Atlanta, GA City of Atlanta Rock 86" x 400'
SUMMARY: Bradshaw Construction was selected by USF&G Surety to rehab a gravity sewer that was improperly installed by Modern Continental Construction. Approximately 400' of the 36" DIP sewer had randomly floated above the design elevation when grout backfilled in tunnel. Bradshaw excavated access shafts, by-pass pumped the sewer, performed video surveys to determine the extent of floatation or... Complete Project Profile

  429 - Braddish Avenue Sewer Repair

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Pipe Rehab Slip Lining Baltimore, MD Baltimore City Rock 277' x 60"Ø
SUMMARY: Bradshaw Construction Corporation installed a 60 inch liner plate tunnel to accommodate for a reinforced concrete pipe and slip-lined an existing failing 33 inch Hobas sewer pipe as part of an emergency repair for the City of Baltimore. The shaft was constructed out of steel sheeting with dimensions of 18.5 feet wide x 30 feet long x 33 feet deep. Complete Project Profile