CN-370000-HW558-DC012FCO.pdf

This document package comprises Task Assignment Notification Change Order Forms and supporting exhibits for DEP Contract No. HW558, issued by the Florida Department of Environmental Protection (FDEP) to contractor Earth Systems, Inc. The task assignment DC012F concerns operations and maintenance (O&M) activities at the American Drive-In Cleaners facility (ID 169502306) in Jacksonville, Florida. Multiple change orders are documented, with Change Orders #3 and #4 representing amendments to the original task scope.

The work involves operating a Soil Vapor Extraction (SVE) system at the contaminated site, with deliverables including quarterly field notes, air analytical results, Semi-Annual RASS Reports, GIS tables, and ADA-PT logs. The original task amount was $40,142.63, with task amounts prior to subsequent changes reaching $47,249.82. Change Order #4 added two additional months of utility costs totaling $2,380.00 to allow system operation and air sampling to determine whether continued operation or shutdown is warranted; the final task amount with all change orders is $49,629.82. Cost structure consists of fixed-price components and cost-reimbursement for O&M utilities, with the utility invoice payments representing the only Cost Plus Fixed Fee portion. The completion date was extended from November 18, 2015, to February 18, 2016, adding 31 days to the task period. Detailed invoicing schedules track payments against specific deliverables, quarterly reporting milestones, and utility cost reimbursements with corresponding FDEP approvals.