Columbus Clear Wells

by William Baker, (F.ASCE), Owner/Project Manager; BBS Corp., 1103 Schrock Rd., Columbus, OH 43229.,
Scott Roser, Principal Engineer; BBS Corp., 1103 Schrock Rd., Columbux, OH 43229.,
Steve R. Close, Structural Engr.; Tanigawa/Jorgensen, Hendrickson and Close, Inc., Denver CO.,

Serial Information: Civil Engineering—ASCE, 1995, Vol. 65, Issue 3, Pg. 56-58

Document Type: Feature article


At an average of 8 million gal. each, six new clear wells at the Hap Cremean Water Plant in Columbus, Ohio represent the largest post-tensioned, reinforced concrete noncircular tanks ever designed and constructed. The innovative design provided leak-free structures for 17% less than the cost of a conventional design. Faced with limited space at the Hap Cremean Water Plant in Columbus, Ohio designers working on six underground concrete water-storage tanks came up with a bold solution-a rectangular tank with rounded corners. The tanks, each uniquely designed to fit within plant boundary lines, buried yard piping, and natural waterways nest together, maximizing the use of the existing site while providing enormous storage capacity. The six clear wells will provide an additional 48.2 million gal. of finished water storage, two-thirds of Hap Cremean's eventual total storage capacity of 75 million gal. The new tanks will protect against contamination in the Big Walnut Creek, which connects the two reservoirs to the plant, and will provide a buffer period to perform general maintenance on the plant. So far two tanks have been completed and are in service, and the other four tanks are slated for completion in fall 1995.

Subject Headings: Ohio | United States

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