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Brookfield, Conn. - When Tanger Factory Outlet Centers, known for its premiere outlet shopping locations, embarked on the redevelopment of its center in Bluffton, S.C., the company employed Ward Edwards, Inc. to oversee the engineering aspects of the project.
Redesigning the existing stormwater management system was on top of a to-do list for the Ward Edwards engineers, who had to find a modern solution to replace a network of detention ponds constructed 20 ?EUR??,,????'?????<???(R) 30 years ago. ?EUR??,,????'?????<?There were no records to show the design of the existing stormwater system so we designed the replacement detention and water quality system to make the post-redevelopment discharge rate less than a pre-development rate,?EUR??,,????'?????<? said Willy Powell, P.E. with Ward Edwards. The 177,000-sq.-ft. center, consisting of four buildings and housing 42 brand name tenants, is located on the 20-acre site. At the front of the center, four outparcels are situated along Highway 278 off Interstate-95. The redesigned center also features about 1,000 parking spaces, so taking up land with an aboveground stormwater solution was an issue.
To maximize the development area, the engineers chose an underground chamber system provided by CULTEC, Inc. As the groundwater level was high, four to five feet deep, the company?EUR??,,????'?????<???EUR?s lower profile Recharger???????(R)???? 150 HD was considered the best fit for the site. The chamber is 33 inches wide, 18.5 inches tall and works well for installations with depth restrictions. According to Powell, had the engineers used an aboveground stormwater system, they would have lost about 10 to 15 percent, or 2 to 3 acres, of the development area. Designed to handle a 25-year storm event, as required by the local regulations, CULTEC?EUR??,,????'?????<???EUR?s system offers 168,958 cu. ft. of storage and operates in conjunction with two bio-retention swales, which drain the runoff into the chambers.
The chamber system then discharges runoff to a wetland located to the west of the site. The high groundwater did not allow for infiltration so the open-bottom chamber system functions as a detention solution.
Francisco Uviña, University of New Mexico
Hardscape Oasis in Litchfield Park
Ash Nochian, Ph.D. Landscape Architect
November 12th, 2025
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