Tacony Creek Stream Corridor Restoration and Green Stormwater Infrastructure Design
Tacony Creek Stream Corridor Restoration
As the prime consultant for the Tacony Creek Stream Corridor Restoration Project, AKRF’s water resources group is currently working on the stream corridor and riparian and wetland restoration design for approximately 8,000 linear feet of impaired, urban stream and riparian areas subject to flashy, combined sewer overflows.
The project design effectively couples near-stream, riparian, and wetland restoration with green stormwater infrastructure (GSI) at four neighborhood gateways. Gateway GSI designs will both manage runoff from adjacent streets and sidewalks and provide enhanced public access into Tacony Creek Park.
As part of this project, AKRF innovated new ecohydraulic design methods for multi-objective restoration of in-stream habitat complexes impaired by the effects of urban stormwater and combined sewer overflows, while minimizing channel disturbance.
Our team was also able to enhance project outcomes by identifying cost-effective opportunities to expand by approximately 500 percent the amount of impervious cover being managed by GSI practices within the park compared with original concepts provided to AKRF.
The scope of work includes:
- Engineering feasibility studies
- Stream geomorphic assessment
- Phase I Environmental Site Assessment
- Phase 1A Cultural/Historical Assessment
- Hydrologic and hydraulic analysis
- Sediment transport modeling
- Water budget modeling
- In-stream habitat enhancement and naturalistic bank stabilization design
- Riparian and wetland restoration design
- Green infrastructure stormwater (GSI) practice design
- Federal/state/local permit coordination and procurement
- Preparation of contract documents: drawings, specifications, and construction cost estimates