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Gaseous Diffusion Plants

Key Facts: Portsmouth Gaseous Diffusion Plant

Federal Site Acreage: 3,714
Gaseous Diffusion Plant Acreage: 640
Total Number of Buildings: 109
Process Buildings: 3
Process Building Dimensions: One mile long, 550 feet wide, 80 feet high (approximate)
Process Building Acreage Under Roof: 93 acres
Number of Enrichment Stages: 1,700 (approximate)
Peak Design Power Capacity: 2,100 megawatts
Largest Process Motor: 3,300 horsepower
Water Utilization: 6 million gallons per day
Number of Control Instruments: 90,000 (approximate)
Miles of Copper Tubing 1,000
Miles of Process Tubing 600
Miles of Roadway: 30
Miles of Railroad: 20
Miles of Boundary Fence: 11
Miles of Security Fence 4
Perimeter Road Circumference 7 miles