CN-370000-GC724-T15C.pdf

This document set consists of a Petroleum Preapproval Program Task Assignment and supporting cost proposals issued by the Florida Department of Environmental Protection, Division of Waste Management, Bureau of Petroleum Storage Systems. The primary contract is FDEP Contract Number GC724, Task Assignment GC724-015C, with HSA Engineers & Scientists as the primary contractor and AEROSTAR Environmental Services, Inc. as a subcontractor. The work is being performed at the KMART #7517 facility in Ruskin, Hillsborough County, Florida (Facility ID 298627764). The task is overseen by FDEP Contract Manager Grant Willis and FDEP/LP Site Manager Kyle Kilga.

The scope of work encompasses natural attenuation monitoring activities related to petroleum contamination remediation, including two primary events: Event 1 involves proposal preparation, site health and safety planning, and groundwater sampling from monitoring wells MW-6, MW-7, and MW-9 using EPA Methods 6010 and 6020 for arsenic analysis, with quarterly monitoring reports due by May 25, 2012 and August 24, 2012. Event 2 involves sampling of the same wells using low-flow purging techniques and preparation of a Level 3 Remedial Action Plan Modification. The total task assignment cost is $4,987.34 with a 10% retainage ($498.73), resulting in a total cost of $4,987.34 including retainage. The period of task performance extends from April 3, 2012 through February 20, 2013 with a fixed-price contract type. Additional proposals from AEROSTAR for supplemental pilot testing activities at a separate facility (Bandy Universal, Jensen Beach, Martin County, FDEP Facility ID 43/8520097) estimate costs of $11,147.09 for similar remediation assessment work including air sparging and soil vapor extraction pilot tests and RAP modifications.