The City of Rapid City constructed a new drainage channel in an area of highly unstable soils. The existing channel was severely degraded and undersized. The purpose of the project was to reduce sediment transport to improve storm water quality, reduce localized flooding to area businesses, and convey of storm water.
Project Goal #1
Reduce erosion of unstable soil
Project Goal #2
Reduce localized flooding
Project Features
- 420 LF of cast-in-place concrete drainage channel
- Concrete drop-structure
- 450 CY of riprap
Services Provided
- Preliminary/Final Design
- Construction Documents