Suitland Road and Regency Parkway Outfall Repair
Successful combination of ecosystem restoration with grey infrastructure
2015 Headwall Failure
The outfall structures, conveying three storm drain systems, fell down into the receiving stream channel and erosion threatened to undermine the intersection of Suitland Road and Regency Parkway.
The stabilization design involved complex earth moving and grading operations to recontour the more than 250-feet of stream and adjacent banks.
2018 Spring Storm
Construction started December 2018 slide to February 2019 during construction
Slide between July 2019 to February 2020
