Document Summary

This is a Task Assignment Change Order (Change Order No. 3) dated November 25, 2019, for DEP Contract No. BS135 between the Florida Department of Environmental Protection (FDEP) and Mott MacDonald Florida, LLC. The contract pertains to inundation modeling, mapping, and emergency action plan completion for three dam sites in Florida: Locklin Lake Dam in Milton (Santa Rosa County), Holley Lake Dam near DeFuniak Springs (Walton County), and Juniper Lake Dam near DeFuniak Springs (Walton County). The work is administered through the Florida National Dam Safety Program Grant under the Engineering, Hydrology, and Geology Program within FDEP's Division of Water Resource Management. Key personnel include Tracy Woods (FDEP Project Manager), Avery Lehmann (FDEP Contract Administrator), and Michael Layne (Contractor Project Manager) at Mott MacDonald, with support from Comak Group and Comak Engineering Services.

The change order modifies the existing task scope by replacing all previous scopes with new Tasks 1 through 4, with Task 1 (Data Collection) funded from a separate grant (DAM20) and all other tasks funded from DAM19. The fixed-price compensation for services is $89,860.76, representing no net change in task amount from the previous change order. The original task completion date of October 31, 2019, was extended by 16 days to December 16, 2019. Deliverables include site data collection, condition assessment reports, inundation mapping using HEC-RAS modeling, comparative breach analysis reports, emergency action plan template data, and final emergency action plans with stakeholder coordination. All reports must be signed and certified by Florida-Licensed Professional Engineers, and deliverables are subject to FDEP review and approval for completeness, accuracy, and timeliness.