Columbia Circle Drainage Channel Improvements

Columbia Circle Drainage Channel Improvements

Location

Sioux Falls, SD

Construction Cost

N/A

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Richmond Estates 2nd Addition in northwest Sioux Falls was constructed in the mid 1980’s. Over the years, continual degradation of an existing stream channel which flows in the backyards of residential lots has created concerns with shallow sanitary sewer crossings. Scour issues at the downstream end of storm drain outlets feeding the drainage channel between Bahnson Ave and Sycamore Ave north of 3rd St have also necessitated action by the City to resolve the drainage channel issues. Banner Associates was contracted for the design of grading, storm sewer and sanitary sewer improvements. Numerous permanent utility and temporary construction easements are needed to complete the work. The design plan will incorporate a low flow pipe to carry trickle water through the area, two rock drop structures to dissipate energy within the drainage channel, and re-establish safe and protected sanitary sewer crossings in the area.

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Project Goal #1

Reduce erosion of a stream channel

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Project Goal #2

Maintain operation of existing sanitary sewer collection system

Project Features

  • Drainage Channel Grading Improvements
  • Sanitary Sewer Pipe Improvements
  • Erosion Protection, Two rock drop structures
  • Low Flow Storm Pipe
  • Public Meetings and Individual Landowner Coordination

Services Provided

  • Easement preparation
  • Topographic Survey
  • Preliminary/Final Design
  • Construction Documents

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