To conduct Dye Trace Study Services in Florida.

The master indefinite delivery vehicle WM946 provides comprehensive groundwater and surface water assessment services throughout Florida, with a primary focus on dye trace studies. Services available under this IDV include dye tracer study design, execution, and analysis; monitoring well siting, installation, and development; groundwater sampling and laboratory analysis; geologic characterization and lithologic logging; land use and land cover field verification; site access coordination; health and safety plan preparation; and related environmental investigation support. The contract also provides for specialized equipment and materials including laboratory services, water response equipment, generators, pumps, hoses, field testing equipment, and vehicles necessary to conduct hydrogeologic investigations. Work is performed across multiple Florida counties and springsheds, supporting nutrient fate and transport studies, groundwater flow characterization, and environmental restoration initiatives in cooperation with state water management districts and local agencies.

URS Corporation Southern, a subsidiary of AECOM, serves as the prime contractor for this indefinite delivery vehicle, which was originally executed on October 3, 2008, with the Florida Department of Environmental Protection's Ground Water Protection Section. The initial contract period extended through October 2, 2013, and was subsequently renewed through October 2, 2018, via Amendment No. 1 executed on June 25, 2013. Services are procured statewide throughout Florida and are performed on a time-and-materials cost-reimbursement basis with established labor rate schedules and equipment rental rates. The contract includes provisions for three identified subcontractors—Karst Environmental Services, Inc., H2H Associates, LLC, and Ozark Underground Laboratory, Inc.—each with separate rate schedules. Identified subcontractors for specific task assignments have included Huss Drilling, Inc., DeGrove Surveyors, TestAmerica Analytical Services, and Locher Environmental Technologies. Individual task assignments have been valued from approximately $8,000 to $252,000, with numerous contract modifications and change orders executed to address scope adjustments and scheduling extensions through 2018.