Projects - Hand Tunneling - Bradshaw Construction Corporation

TUNNELING SPECIALISTS SINCE 1963

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The work we do is…
challenging. . .innovative. . .underground. . .
making us tunneling specialists.

COMPANY HISTORY
By combining superior craftsmanship developed throughout its early years, with innovative tunnel engineering and construction technology, Bradshaw successfully provides cost effective tunneling solutions to the utility and transportation industries.
Company

ABOUT US
Bradshaw Construction Corporation is a leading contractor in the tunneling industry. With over five decades of experience, we've earned respect as technological innovators through the construction of highly difficult tunneling projects.
VISION/MISSION/VALUES
We will safely and profitably build tunnels with our staff of knowledgeable, trustworthy, performance driven professionals.

TESTIMONIALS
"Bradshaw Construction is one of the best tunneling companies I have worked with. The personnel are first in class with safety, tunneling knowledge and problem resolution. Their equipment looks well maintained and clean."

SAFETY

Bradshaw Construction Corporation’s number one core value is the safety of its employees. Therefore, it is our primary goal to provide a safe and healthy working environment.

EQUIPMENT FLEET

Bradshaw Construction Corporation owns and operates an expansive fleet of heavy and underground construction equipment. The size of our fleet ensures every project is properly equipped and operating efficiently.

Projects

PROJECTS

Throughout our years of tunneling, Bradshaw Construction Corporation has worked on many complicated, sophisticated, and cutting edge projects. Each of those projects led us to find innovative solutions to unique problems. We invite you to take an in-depth look at projects where you will see the problems we encountered and how we solved them. Click to view all projects...

PROJECT MAP

MICROTUNNELING	TBM TUNNELING	HAND TUNNELING	PIPE REHAB	SHAFT WORK

Slurry Pilot Tube	Conventional Supports Pipe Jacking	Drill and Blast NATM/SEM Steel/Wood	Sekisui SPR Slip Lining	Concrete Caisson NATM/SEM Steel/Wood

Our Work

WHAT WE DO
Microtunneling
TBM Tunneling
Hand Tunneling
Pipe Rehabilitation
Shaft Construction
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Locations

Departments

HAND TUNNELING

Drill and Blast

NATM/SEM

Steel/Wood

SORT BY PROJECT NUMBER | LOCATION

619 - OWSP Quarry Intake
PROJECT TYPE	SUB TYPE	LOCATION	OWNER	GEOLOGY	DIMENSIONS
Hand Tunneling	Drill and Blast	Winchester, VA	Frederick Water	Rock	312 x 120
	SUMMARY: Water supply project in abandoned quarry. 312' of 10' horseshoe tunnel in limestone rock for underground intake. Drill & blast exacavtion using rock bolt supports suplemented as needed with welded wire fabric and shotcrete. Final lining was 4" of synthetic fiber reinforced shotcrete. Complete Project Profile

518 - New Ragged Mountain Dam
PROJECT TYPE	SUB TYPE	LOCATION	OWNER	GEOLOGY	DIMENSIONS
Hand Tunneling	Drill and Blast	Charlottesville, VA	RWSA	Rock	482' x 114"Ø
	SUMMARY: As part of improvements to increase the capacity of the Ragged Mountain Dam in Charlottesville, VA a tunnel was built to convey primary spillway discharges and house the 36 inch diameter raw water intake pipe which will convey water from the reservoir to the existing treatment facilities near the University of Virginia campus. The 10-foot horseshoe shaped tunnel was 482-feet long. It was... Complete Project Profile

490 - Little Patuxent Sewer Phase 3
PROJECT TYPE	SUB TYPE	LOCATION	OWNER	GEOLOGY	DIMENSIONS
Hand Tunneling	Drill and Blast	Savage, MD	Howard County	Rock	355' x 96" Ø
	SUMMARY: Bradshaw Construction hand drilled and blasted a 96 inch tunnel, 355 linear feet in length, to accommodate a 42 inch FRP sanitary sewer. A combination of 96" horseshoe ribs and wood lagging, as well as rock bolts and wire mesh were used to support the seamy and blocky rock patterns. Rock samples showed rock with unconfined compressive strength greater than 55 KSI. There were noise... Complete Project Profile

451 - Brushy Creek Sewer
PROJECT TYPE	SUB TYPE	LOCATION	OWNER	GEOLOGY	DIMENSIONS
Hand Tunneling	Drill and Blast	Greer, SC	Western Carolina Sewer Authority	Rock	240' x 96"Ø
	SUMMARY: Complete Project Profile

430 - Deep River Outfall Sewer
PROJECT TYPE	SUB TYPE	LOCATION	OWNER	GEOLOGY	DIMENSIONS
Hand Tunneling	Drill and Blast	High Point, NC	City of High Point	Rock	1,400' x 82" - 96" Ø
	SUMMARY: This project involved the utilization of two tunneling methods: hand mine drill & blast, and a TBM capable of mining through hard rock conditions. For the most part the 1,000' TBM run was self-supporting, but some of the weaker zones required rock bolts, roof channels, and even liner-plates for a short reach. Two drill and blast road crossings totaling 400' were completed on this job. Both drill... Complete Project Profile