Services Design & Contract ServicesPlanning phase • Preliminary design • Value engineering/alternative design • Detailed design • Contract document preparation • Design-Build • Design-Bid Build • P3 • CMAR • Pre-bid contract interpretation/evaluation Geotechnical EngineeringGeotechnical assessment • Preparation of Geotechnical Data Report (GDR) & Baseline Report (GBR) • Foundation design Structural EngineeringSegmental lining design • Tunnel and shaft concrete lining design • Steel liner plate lining design • Pipe jacking design • Traffic decking design • Structural component design Tunnel Design/RehabilitationTunnel analysis & design • Tunnel excavation and Initial Support (TBM, NATM/SEM, rock support) • Tunnel face pressure analysis • Tunnel advance rate analysis • Inspection/Rehabilitation • Groundwater control • Ground improvement Numerical AnalysisStructural and geomechnical numerical modeling (2D and 3D) Support of Excavation DesignSolider pile and lagging • Deep soil mixing walls • Cement bentonite walls • Sheetpiling • Diaphragm walls Secant/tangent pile walls • Rock shaft initial support system • Groundwater control • Ground improvement Trenchless TechnologyTrenchless technique & ground condition evaluation • Microtunneling, pilot tube, HDD, Jack and Bore • Jacking forces estimation and backstop design Instrumentation Design/Impact Assessment and Protection of Existing StructuresCondition Survey/Evaluation • Constrution impact assessment and analysis • Mitigation recommendations and design • Instrumentation design and installation Construction ManagementScheduling • Submittal reviews • Construction monitoring services Claims ServicesInvestigative/forensic analysis • Claim review & support • Expert witness services