On-Call Consultant Services (2025 - 2028)

The County of Tuolumne is seeking to pre-qualify and select up to four firms in each of six categories: Surveying, Geotechnical, Environmental, Hydrology/Hydraulics, Cultural Resources, and Traffic Services. The selected firms will provide on-call consultant services to support the planning, design, and construction of various federal aid, state, and locally funded projects. The services may include topographic surveys, geotechnical engineering, environmental studies, hydrology and hydraulic studies, cultural resource services, and traffic engineering. The contract term will be for three years with an option for a two-year extension. • Surveying services: topographic surveys, boundary surveys, aerial mapping, and construction surveying • Geotechnical services: stability analysis, subsurface field exploration, and laboratory materials testing • Environmental services: biological studies, air quality studies, and wetland delineation • Hydrology/Hydraulics services: hydrology and hydraulic studies, floodplain impact studies, and stream stabilization • Cultural Resources services: archaeological surveys, historic property surveys, and cultural resource evaluations • Traffic services: traffic engineering, traffic signal timing analysis, and traffic volume counts