Developed similar but tailored Closure in Place and Closure by Removal risk transfer cost proposals for multiple Risk Transfer Developers
These clients wanted guaranteed fix price to closure six CCR Impoundments, the coal yard, coal run off pond and evaporation pond system
Site has a zero discharge NPDES permit so all water managed (storm water and dewatering)
Remote site has limited access to services, labor, materials and supplies
Results:
Provided client fix price proposal to complete the following:
Mobilization and Turnkey Project Management
Site preparation and install erosion control measures
Dewatering of evaporation ponds
Dewatering and regrading of CCR ponds
Treatment and on-site evaporation or discharge of treated water
Remove 680,000 cubic yards of sediment removal within evaporation ponds
Remove 15,300,000 square feet of liner from evaporation ponds
Collapse berms and regrade evaporation ponds
Installation of 5,430,000 square feet of liner over graded CCR ponds
Installation of composite cap (402,250 cubic yards) over the dewatered CC ponds
Engineering services including CQA/CQC and Completion Certifications, permitting, surveying
Annual monitoring, inspections and CCR Rule reporting
Client was awarded the contract to purchase, decommission and redevelop the project in September 2020
Benefits:
Developed and provided a highly cost-competitive proposals to allow the Confidential Developer to be selected for the Environmental Risk Transfer contract for the decommissioning and redevelopment of this former coal fired power plant in north Texas
Provided cost certainty for turnkey project management, engineering and construction to close ash ponds and evaporation ponds
Close in Place remedy allowed client to avoid more than $32,000,000 in costs compared to Closure-by-Removal remedy
