N&W is a leader among geotechnical engineering firms in the Mid-Atlantic region. Our staff brings over 30 years of knowledge and experience in all aspects of drilling and geotechnical engineering services. We can offer drilling services for all phases of geotechnical site investigations in Pennsylvania and certified in Maryland, Delaware, and West Virginia.
We engage in an array of project phases, from drilling to administration of drilling contracts, providing subsurface design information, composition of geotechnical engineering reports, and numerous other specialized services. It is this combined expertise in drilling and geotechnical capabilities that propels us ahead when comprehensive services are needed. In the field, our engineers, geologists, inspectors, and drillers utilize advanced technologies; and in our labs, technicians test soil and rock samples using automated equipment, all calibrated to regulatory specifications.
N&W is proud to be a member and certified driller of the National Drilling Association and National Groundwater Association (NGWA).
Drilling services include:
- SPT Sampling
- Undisturbed Sampling (Shelby, Dennison, GUS, Pitcher)
- NQ/NX Rock Coring
- HQ Rock Coring
- Augering and Mud Rotary
- NW (3”) & HW (4”) Flush Joint Casing
- Masonry Drilling
- Pavement Cores
- Grouting
- Monitor Well & Piezometer Installation
- Inclinometer Installation
- Double Ring Infiltration & Bore Hole Infiltration Tests
- Field CBR’s
- Angle Borings
- Low Clearance Drilling
- Test Pit Services
- In Situ Test (Dynamic Cone Penetrometer, Shear Vane, Pressure Meter)
- Downhole Geophysical
- All crews are OSHA 40 hr. certified and hold numerous accreditations from various organizations that are available upon request.