Thompson Island Suspension Bridge
Saratoga County, NY · Transportation
Project details
Geotechnical evaluation and engineering services for the suspension bridge replacement project.

Assessing Ground Conditions for Your Construction Project
Renaissance Geotechnical Engineering provides professional geotechnical engineering solutions, including subsurface investigations, foundation evaluation, soil mechanics, slope stability, and pavement analysis. Serving clients across multiple states, the practice delivers detailed ground assessments, laboratory soil and rock testing, and engineering evaluations for infrastructure, commercial developments, and energy projects.
Model Based Engineering · Professional Engineering
Alseny DiopPresident
Donald J. SipherSenior Geotechnical Engineer
Comprehensive engineering evaluations, analyses, and design parameters for foundations, earthworks, and subgrades.
Conducting site investigations, desk reviews of geological data, and standard field explorations including push tube sampling, dynamic cone penetrometer testing, borehole infiltration, and slug tests.
Performing standard and advanced laboratory testing on soil and rock samples, including Atterberg limits, gradation, triaxial compression, consolidation, Proctor tests, and California bearing ratio tests.
Analyzing shallow and deep foundations, estimating bearing pressures, evaluating lateral load parameters, and performing total and differential settlement analyses.
Evaluating stability for embankments, earthen dams, approach embankments, and design parameters against sliding, overturning, and seismic or ice loading.
Performing resilient modulus testing, structural pavement thickness design, and developing subgrade stabilization and reinforcement recommendations.
Providing field geotechnical special inspections, materials testing, and construction administration services.
Transportation · Aviation · Renewable Energy · Oil & Gas · Telecommunications · Water Resources · Commercial · Residential
Saratoga County, NY · Transportation
Geotechnical evaluation and engineering services for the suspension bridge replacement project.
Russell County, VA · Water Resources
Designed a comprehensive grouting plan that reduced excessive seepage at the dam by 80 percent.
Nelson County, VA · Water Resources
Designed a baffle block spillway to increase the capacity of the dam to 0.5 PMF.
Oklahoma County, OK · Residential
Subsurface investigation and geotechnical engineering evaluation for the Phase Two development.