
Underwood Engineering Inc.
Geotechnical engineering and material testing and inspection solutions
About the firm
Underwood Engineering Inc. is a family-run engineering practice specializing in geotechnical engineering and materials testing across New Jersey, Pennsylvania, and Delaware since 1978. It provides geotechnical engineering, geo-structural design, construction observation and testing, laboratory material testing, multi-disciplinary inspections, and stormwater management investigation services. Underwood Engineering is backed by a team of certified technicians and licensed engineers with ACI, ICC, DCA, DPMC, Penn DOT, and other professional credentials.
- Established
- 1978
- Firm type
- Geotechnical Engineering · Materials Testing
Credentials
ACI · ICC · DCA · DPMC · Penn DOT · AASHTO · ASTM · OSHA 30 · OSHA 10 · Troxler Nuclear Density · Radioactive Materials License
People
Patrick UnderwoodPresident
Peter KlausVice President
Capabilities
Geotechnical Engineering
Service websiteGeotechnical investigation and geo-structural design services encompassing soil analysis, foundation engineering, soil-structure interaction, and site assessment.
- Mobilization of Drilling Soil Borings
- Foundation Design
- Foundation Evaluation
- Soil and Structure Interaction
- Soil Improvement
- Slope Stability Analysis
- Pavement Reduction and Design
- Retaining Wall Design
- Site Feasibility Studies
- Geological Site Assessment
- Settlement Analysis
Construction Observation and Testing
Service websiteThird-party construction materials testing and field inspections covering soils, concrete, masonry, and asphalt elements.
- Soil Testing and Inspection
- Concrete Testing and Inspection
- Masonry Testing and Inspection
- ACI Certified Testing
- Reinforcing Steel Testing and Inspection
- Pre-Cast Concrete Fabrication
- Floor Levelness/Flatness Inspection
- Clean Fill Testing
- Concrete and Asphalt Coring
- Compressive Mortar Cube Testing
Laboratory Material Testing
Service websiteAASHTO and ASTM compliant laboratory testing services for soils, concrete, and bituminous materials.
- Laboratory Control Curve Testing
- Sieve Analysis
- Compressive Strength Analysis
- Bituminous Concrete Testing
Multi-Disciplinary Inspections
Service websiteSpecialized deep foundation, structural steel, and specialized material inspections.
- Deep Foundation Inspections
- Structural Steel Inspections
- Certified Welding
- Non-Destructive Steel Testing
- Fireproofing
- EIFS Inspection
- Wood Framing
Stormwater Management Investigation
Service websiteHydrological and soil investigation services to support stormwater engineering and design.
- Double Ring Infiltration Testing
- Permeability Testing
- Hydrometer Analysis
- Test Pit Inspection
- Dewatering Evaluations
- Groundwater Observation
- Karst Studies and Sinkhole Repair
- Seasonal High Water Table Estimation
GPR Scanning and Windsor Probe Testing
Service websiteNon-destructive evaluation and structural imaging services.
- GPR Scanning
- Windsor Probe Testing
Industries
Commercial · Education · Multifamily Residential · Infrastructure
Projects
No projects listed yet.