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Industrial Maintenance: E.I. DuPont de Nemours & Co.
E.I. DuPont de Nemours & Co.

Construction Date 1975 Application Industrial Capacity 3 @ 0.25 MG (40 ID x 24 SWD); 3 @ 4.6 MG (185 ID x 23 SWD); 2 @ 2.9 MG (172 ID x 16 SWD; 0.30 MG (60 ID x 15 SWD) Owner E.I. DuPont de Nemours Co. From 1974 to 1975 Preload constructed nine organic chemical open-top treatment tanks for E.I. DuPont de Nemours Co.: three 250,000 Gallon neutralization tanks with 40 inside diameters and 24 side water depths three 4.6 MG aeration tanks with 185 inside diameters and 23 side water depths two 2.9 MG secondary treatment tanks with 172 inside diameters and 16 side water depths one 300,000-Gallon sludge thickener tank with 60 inside diameter and 15 side water depth All nine of these wire-wound prestressed concrete Preload tanks have been in continuous service for more than 40 years.

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