Constantine Engineering

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Major Strides Made Toward Calls Creek WRF Upgrade


Oconee County, Georgia - Construction is progressing on schedule as the Crowder/Constantine team upgrades Oconee County’s Calls Creek Water Reclamation Facility (WRF).

Constantine, partnered with Crowder Construction, Inc., is currently upgrading the existing Oconee County Utility Department’s Calls Creek WRF. The Design-Build project will upgrade the existing unit processes and equipment at the existing facility to include a new 1.5 million-gallon-per-day (mgd) biological nutrient removal (BNR) facility capable of expansion to 3 mgd. Oconee County’s existing facility is an Orbal Process with three bio-membrane filtration units, which, over the years, have deteriorated and have experienced a loss of capacity. The new facility will include a new 135-foot diameter outer tank to provide a three stage Pho-Redux, Fine Bubble BNR Process and an inner 62-foot diameter clarifier. Other improvements include headworks, tertiary treatment, dewatering facility, electrical, SCADA and effluent outfall improvements.

With site work approximately 60% complete, the Design-Build team has poured 165 cu-yds of concrete for the clarifier and 410 cubic yards of concrete slab for the aeration basin. In addition, 248 linear feet of concrete encased 24-inch, 20-inch, 12-inch, 10-inch and 8-inch ductile iron pipe was installed prior to reinforcing bar and slab placement. Other project activity includes installation of associated PVC drain lines, and electrical conduit related to the construction of the dewatering building. Constantine takes pride in our efficiency and responsiveness as is again evidenced by the current fulfillment of this project’s budget and schedule goals.