General Consultant and Special Advisory Services

Parsons provides general consulting services, as well as special advisory services in the areas of tunneling feasibility and risk management, including specific advice on the best tunneling technology to be used including the selection of soft ground, hard-rock and mixed-face Tunnel Boring Machine technology.

• Development of design criteria and standard specifications, standard and directive drawings to provide a standardized basis for the detailed design and construction of major tunneling projects
• Development of preliminary, conceptual design and development of alternative construction methods to reduce tunnel project cost and construction schedule and to minimize environmental impacts
• Tunnel construction, alternative methods, analysis and recommendation
• Technical feasibility studies
• Risk analysis and mitigation
• Construction cost and schedule analysis and recommendations
• Tunnel vs. bridge studies and advice on the best approach
• Check and review of detailed designs prepared by others