Corevac

Corevac is a recognized leader
in providing underground construction services using vacuum excavation, directional drilling, coring and keyhole technologies to utility and municipal industries in the midwest and throughout the
United States.

Corporate headquarters in Oostburg, Wisconsin with locations in Milwaukee and Appleton.

• Leaders in keyhole technology
• Competitive prices
• Unparalleled reliability

These are the qualities we bring to our customers... guaranteed.

Corevac, LLC offers our
customers 24 hour service,
7 days a week, 365 days a year.

Contact Corevac
(920) 564-3400 office

24/7 Emergency
Excavation Dispatch
(920) 547-0965

Corevac, LLC
W2385 County Rd A South
Oostburg, WI 53070
(920) 564-3401 fax

info@corevac.net

Corevac, LLC BBB Business Review

Corevac, LLC

Test Holes/GNSS


Test Hole Excavation

Test holes are non-invasive vacuum excavations at critical points to determine the precise horizontal and vertical position of underground utilities, as well as the utility type, size, condition, and other various characteristics. This is a process that allows engineers, designers, and project owners to "look underground" and map the utility infrastructure without massive excavations. This reduces conflicts and depicts reliable data for existing utilities that is critical for making informed decisions and supporting risk management protocol regarding the impact of these utilities on your project. Once complete, we backfill and restore the test holes after documenting measurements and observations.

GNSS (Global Navigation Satellite System) Our GNSS provides accurate utility infrastructure geopositioning which leads to long term cost savings, since an electronic record is available when needed for repair and maintenance of the line. Positions, with both horizontal and vertical RMS precision, are continuously plotted on your native CAD map, and easily exported to the GIS, CAD, or modeling environment.

photo of Corevac crew preparing for job
Corevac preparing for job.
photo of Corevac crew performing GNSS satellite mapping
Corevac crew member performing GNSS satellite mapping.
photo of Corevac crew performing GNSS satellite mapping
Corevac crew member performing GNSS satellite mapping.
photo of Corevac crew performing GNSS satellite mapping
Corevac crew member performing GNSS satellite mapping.
photo of Corevac crew performing GNSS satellite mapping
Corevac crew member performing GNSS satellite mapping.
photo of Corevac crew preparing for a testhole job
Preparing for a testhole job.