Construction Maison

The detention pond at the former ALCOA Inc. West Plant is complete, as the redevelopment continues. The Alcoa Board of Commissioners got a bird’s- eye view Monday of the new detention pond , which is located in the curve where Hall Road meets Alcoa Highway , thanks to a stationary webcam the city has trained on the construction site. Five photos taken over the course of one day — Wednesday, Aug. 16 — show how the detention pond area evolved as it was prepped for seeding, explained Andrew Sonner , assistant director/chief engineer for Alcoa’s Public Works and Engineering Department. The rectangular portion shown at the bottom of the photos is the “fore bay,” he told commissioners, which is where sediment settles before clean water continues over the berms and “meanders” toward the point of exit, where it will join Culton Creek . Commissioners learned at a briefing in July that an underground spring on the property could feed a water feature on the West Plant site ,...