The CPV St. Charles Project is based on wet cooling via a surface condenser and mechanical draft cooling tower
This project was designed to integrate into existing infrastructure, while not disturbing current operations. To do this, the owner directly purchased the gas turbines, steam turbine, HRSGs, condenser, DCS, CEMs, and steam bypass valves as part of an extended power island scope from General Electric. The makeup water source for the cooling tower is effluent from the Mattawoman Waste Water Treatment facility via a new 13-mile pipeline.
Each gas turbine is single fuel capable of firing pipeline quality natural gas or liquefied natural gas (LNG). A metering and regulation station and a one-mile long gas pipeline were installed from the gas source location, and each gas turbine features dry low NOx combustors. Finally, each HRSG features selective catalytic reduction (SCRs) and CO/VOC Catalysts to reduce the GT exhaust emissions.
For this project, we provided owner’s engineer services to CPV, coordinating the overall integration of the engineering and design of the EPC Contractor, CTG, STG, and HRSG suppliers and the offsite contractors installing the reclaim water, fuel gas, potable water, and sewer pipelines. We reviewed the key drawings and documents from each of these contractors and resolved comments with the applicable contractor. To ensure the project ran smoothly, we participated in the monthly and weekly project meetings with CPV and the contractors. Plus, one of our engineers was assigned to the site to assist the CPV construction management team. The result? A project that fits right into the community without disturbing it.
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