Tolunay-Wong Engineers Inc.

Tolunay-Wong Engineers, Inc., is a full-service geosciences consulting firm offering a complete range of services for geotechnical engineering, environmental consulting, construction materials testing, and deep foundations testing

Soil Borings and Cone Penetrometer Tests (CPT)

Geotechnical Instrumentation and Monitoring

Slope Stability and Slope Remediation

Erosion Control

Groundwater Improvement

Shallow and Deep Foundations

Marine and Dock Structures

Levee/Embankment Design and Evaluation

Earth Structures and Retention Systems
Geologic Fault Hazards

Laboratory Testing

Finite Element Analysis

Soil Dynamic Properties

Groundwater Control

Soil Liquefaction

Geophysics

Forensic Studies

Phase I and Phase II Environmental Site Assessments (ESA)

Wetlands Determination/Delineation

Asbestos/Lead-Based Paint

Environmental Impact Assessments

Environmental Compliance Audits

Leaking Underground Storage Tanks (LPST)

Risk Assessments

Permitting

SWPPs/SPCCs/Contingency Plans

Threatened and Endangered Species

Fill Compaction

Subgrade Stabilization

Concrete and Asphalt

Concrete Mix Design

Soil and Synthetic Liner Quality Assurance

Post-Tensioning

Precast Concrete

Structural Steel

Masonry

Installation Monitoring

Static Load Testing

Dynamic Pile Testing

Vibration Monitoring

Pile Dynamic Analysis (PDA)

Pile Integrity Testing (PIT)

WEAP and CAPWAP Analysis


	Soil Borings and Cone Penetrometer Tests (CPT) Geotechnical Instrumentation and Monitoring Slope Stability and Slope Remediation Erosion Control Groundwater Improvement Shallow and Deep Foundations Marine and Dock Structures Levee/Embankment Design and Evaluation Earth Structures and Retention Systems Geologic Fault Hazards Laboratory Testing Finite Element Analysis Soil Dynamic Properties Groundwater Control Soil Liquefaction Geophysics Forensic Studies




	Phase I and Phase II Environmental Site Assessments (ESA) Wetlands Determination/Delineation Asbestos/Lead-Based Paint Environmental Impact Assessments Environmental Compliance Audits Leaking Underground Storage Tanks (LPST) Risk Assessments Permitting SWPPs/SPCCs/Contingency Plans Threatened and Endangered Species




	Fill Compaction Subgrade Stabilization Concrete and Asphalt Concrete Mix Design Soil and Synthetic Liner Quality Assurance Post-Tensioning Precast Concrete Structural Steel Masonry


	Installation Monitoring Static Load Testing Dynamic Pile Testing Vibration Monitoring Pile Dynamic Analysis (PDA) Pile Integrity Testing (PIT) WEAP and CAPWAP Analysis