Geotechnical Engineering Group

World Class Engineering Services

Website

About the firm

Geotechnical Engineering Group is a regional engineering firm based in Grand Junction, Colorado, experienced with design and construction in the challenging and variable geology of Colorado, Utah, New Mexico, and Wyoming. Founded in 1997 by John P. Withers, GEG provides geotechnical, civil, structural, environmental, and materials testing services to energy producers, government agencies, and commercial clients. Its staff of 20 engineers, scientists, and engineering technicians delivers construction supervision and observation, field testing, soil and foundation investigations, laboratory testing, and civil and structural design.

Established
1997
Team
Small
Firm type
Geotechnical Engineering · Civil Engineering · Structural Engineering · Environmental Engineering · Materials Testing

Credentials

Colorado Department of Transportation · U.S. Department of Transportation · Colorado Asphalt Producers Association (CAPA) · AASHTO Materials Reference Laboratory · Colorado Ready Mixed Concrete Association (CRMCA) · American Concrete Institute (ACI) · Occupational Safety and Health Administration (OSHA) · U.S. Department of Energy (USDOE) · National Institute for Certification of Engineering Technicians (NICET)

People

John P. WithersPresident

Capabilities

Energy Services

Service website

Site engineering for oil and gas field infrastructure, including roadways, pads, distribution lines, compression plants, erosion control, reclamation, water wells, and sewage disposal systems. Construction services for energy clients include fast-response field personnel and short turn-around reporting.

  • Civil Engineering

    Well pad and compressor pad construction design for locations with challenging geotechnical constraints.

    • Steep slopes, slope stability, and rock fall design
    • Rock fall mitigation including rock trenches and nets
    • Erosion control plans for pipe alignments and gas field roads
    • Grading plans for pads, pipelines, and roadways
    • Embankment design for soil repository and water impoundments
    • Reserve pit design
  • Environmental
    • Stormwater control plans, permitting, and compliance
    • Water well design and construction
    • Sewage disposal system design and construction
    • Pit reclamation and liner determinations
  • Structural
    • Foundation design for communication towers, compressor pads, and tanks
    • Foundation design for bridges and culvert drainage crossings
  • Geotechnical
    • Exploratory drilling and soil analysis for infrastructure design and validation
    • Analysis for remediation of unstable soil conditions

Geotechnical Services

Service website

Soil and foundation investigations, exploratory drilling, field testing and instrumentation, construction supervision and observation, and laboratory testing for commercial, industrial, and government projects across Colorado, Utah, New Mexico, and Wyoming.

Material Testing Services

Service website

Field and laboratory testing of construction materials including soils, concrete, and asphalt. GEG holds certifications from ACI, CAPA, CRMCA, AASHTO Materials Reference Laboratory, and NICET supporting agency-certified testing programs.

Environmental Services

Service website

Environmental investigations, stormwater management, water well design and construction, sewage disposal system design, and pit reclamation for energy, government, and commercial clients.

Industries

Oil & Gas · Government · Federal · Highways & Roads · Justice & Corrections · Environmental & Remediation

Projects

Mesa County Jail

Grand Junction, CO · Justice & Corrections · Client: Mesa County