HWA GeoSciences Inc.

Delivers comprehensive consulting expertise from initial planning and site exploration through final design, construction monitoring, and peer reviews for diverse infrastructure projects.

• Foundation Engineering

  Designs foundation elements, piles, drilled piers, and retaining structures while providing detailed installation inspections.

• Slope Stability & Slide Stabilization

  Evaluates steep slopes, conducts landslide stabilization designs, and performs critical areas and seismic stability studies.

• Site Investigations & Assessments

  Conducts comprehensive subsurface explorations, site characterizations, hazardous terrain assessments, and earthwork designs.

• Earthquake Engineering

  Performs seismic response analyses, soil liquefaction evaluations, and safety assessments for dams and other critical infrastructure.

• Earth Pressures & Shoring

  Analyzes lateral earth pressures and designs temporary and permanent shoring structures for complex excavations.

• Dewatering & Drainage Design

  Develops specialized engineering solutions for construction dewatering and drainage control during excavation.

• Trenchless Construction Design

  Provides subsurface evaluation and technical design specifications for trenchless utility and pipeline installations.

• Peer Review & Expert Testimony

  Provides independent peer review and expert technical testimony for public capital projects, operations, and maintenance programs.

Provides engineering services for Portland cement concrete, hot mix asphalt, and permeable pavement systems across municipal, industrial, and airport facilities.

• Non-Destructive Pavement Evaluation

  Utilizes in-house Falling Weight Deflectometer testing to measure in-situ pavement deflections, estimate remaining service life, and assess joint load transfer capabilities.

• New Pavement Design

  Develops structural specifications for concrete, asphalt, and permeable pavement systems across arterial, residential, and industrial applications.

• Overlay Design & Life-Cycle Cost Analysis

  Evaluates existing pavement conditions to design overlay thickness and perform mechanistic life-cycle cost analyses.

• Pavement Coring & Material Classification

  Performs physical pavement coring, dynamic cone penetrometer testing, soil classification, and laboratory testing of subgrade resilient modulus.

• Pavement Management System Input

  Provides engineering datasets and rehabilitation recommendations to support long-term pavement management systems.

Navigates complex local, state, and federal regulations to deliver environmental solutions, site characterizations, and hazardous waste management.

• Site Assessments & Characterizations

  Investigates soil, groundwater, sediment, and soil gas to support property transfers and site characterizations.

• Remedial Investigations & Feasibility Studies

  Performs comprehensive remedial investigations and feasibility studies for contaminated properties requiring remediation.

• Hazardous & Solid Waste Management

  Provides regulatory compliance support and management strategies for hazardous, dangerous, and solid wastes.

• Underground Storage Tank Management

  Conducts site assessments, soil characterization, and closure evaluations for regulated underground storage tank systems.

• Sediment Contamination Assessment & Remediation

  Evaluates and designs cleanup plans for contaminated sediments at waterfront and waterway facilities.

• RCRA Facility Investigations & Closures

  Leads resource conservation and recovery act investigations, corrective actions, and closure planning for regulated industrial sites.

• Environmental Impact Statements

  Prepares environmental impact evaluations, siting studies, and mitigation analyses for major infrastructure projects.

Delivers practical solutions for groundwater resource development, protection, and aquifer testing using local geologic expertise.

• Groundwater Exploration & Development

  Designs water supply wells, conducts aquifer testing, and evaluates long-term groundwater yield and hydrologic budgets.

• Groundwater Monitoring & Wellhead Protection

  Performs groundwater sampling, statistical water quality analysis, and delineates water-supply protection areas.

• Construction Dewatering Design

  Engineers groundwater control and dewatering systems to facilitate safe excavations below the water table.

• Stormwater & Wastewater Infiltration Studies

  Assesses subgrade feasibility for stormwater and wastewater infiltration, evaluating seepage and groundwater mounding potential.

Provides on-site field observation and specialized construction monitoring to verify compliance with geotechnical recommendations and specifications.

Work in this area is organized into supported delivery tasks.

• Operates An Accredited Laboratory Performing Soils

  Support includes Operates an accredited laboratory performing soils.

• Materials Classification

  Support includes materials classification.

• Resilient Modulus

  Support includes resilient modulus.

• California Bearing Ratio Testing

  Support includes California Bearing Ratio testing.