Summary of Task Assignment Notification Change Order Form

This document comprises task assignment notification and change order forms for DEP Contract No. HW551 between the Florida Department of Environmental Protection (FDEP) and AECOM Technical Services, Inc. The contract pertains to environmental monitoring services at the Aircraft Cleaners facility (Site ID 139502146) located at 18405 Northwest 7th Avenue, Miami, Dade County, Florida. The contract is managed by FDEP Project Manager Sharonda A. Perkins-Davis and Contractor Representative Guy Frearson. Two separate task assignments are detailed: Task Assignment DC006C (Change Orders 1 and 2) and Task Assignment DC006C (original assignment), each addressing specific phases of groundwater monitoring and remediation activities.

Task Assignment DC006C involves conducting annual Post Active Remediation Monitoring (PARM) groundwater sampling and Natural Attenuation Monitoring (NAM) with the collection of water table elevation gauging data from multiple monitoring wells. The original task amount was $3,154.03, with Change Order No. 1 reducing the cost by $437.75 to $2,716.28, and Change Order No. 2 further reducing it by $92.23 to a final task amount of $2,624.05. Change Order No. 2 removed costs related to an unused monitoring well survey and IDW disposal, while extending the completion date from 7/29/2015 to 8/12/2015. The deliverables include the 2015 PARM Report and 2015 NAM Report with GIS data tables and ADA/PT electronic deliverables. Cost components include direct labor (Geologist, Engineer, Scientist, and Administrative/Clerical staff), vehicle rental ($97.00), laboratory costs for analytical services ($63.00 for shipping), subcontractor services for IDW disposal ($125.00), and field expenses totaling $241.05 to $299.75 depending on the task variant.