CN-370000-HW556-DC02ECO3.pdf

This document comprises task assignment change orders for the Florida Department of Environmental Protection (FDEP) under statewide contract HW556 with Cardno, Inc. (HSW Engineering, Inc.). The contract pertains to environmental remediation services at the Gulf States Beauty Supply site (formerly) located at 11049-1057 Kings Avenue, Jacksonville, Florida (ERIC_4603), managed by FDEP Contract Manager Walsta Jean-Baptiste. The site is operated under an indefinite delivery vehicle structure with multiple task assignments and change orders issued between December 2018 and March 2019.

The contract authorizes work for well installation and investigation-derived waste (IDW) disposal at the Jacksonville Transit Authority property adjacent to the original site. Change Order 2, dated December 13, 2018, authorized a time extension for well installation and reporting with a total cost of $28,220.49 and a completion date of May 31, 2019. Change Order 3, dated March 13, 2019, authorized additional subcontractor costs for well installation and IDW disposal totaling $32,582.80 with a completion date of August 30, 2019. The deliverable includes a Groundwater Sampling Letter Report, ADaPT/GIS update, and final investigative derived waste manifest. Cardno's subcontractor for the well installation work was ProbeDomain, Inc., utilizing direct push technology at a cost of $6,620.00, with additional drilling and disposal costs estimated at $13,832.13 for sonic installation of monitoring wells and management of generated waste.