Game, Fish and Parks SW Division Dam Inspections

Game, Fish and Parks SW Division Dam Inspections

Location

Various Locations, Western SD

Construction Cost

N/A

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Over the course of five days, two Banner employees provided dam inspection services to twenty dams of various types and conditions in multiple locations for the South Dakota Game, Fish and Parks (GFP). Some of the dams were earthen dams and others concrete, for large and small recreational lakes alike. Dams were near towns, in state parks, and some in remote locations. A few of the dams were nearly 90 years old. The spillway designs also varied widely, from straight concrete cutoff walls to long grassy channels with three drop structures. The Banner team of two traveled to each location and inspected each individual component including the approach, spillway structure, stilling basin, dam structure, outlet works, toe drains, and erosion protection. The team noted items like wear, erosion, problematic vegetation, and deficiencies in a detailed report on the condition of each dam, which also included recommendations for repair/replacement, cost estimates for repair/replacement, and an up-to-date dam hazard level recommendation. 

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Project Goal # 1

Safely inspect and assess the condition of dams across southwestern South Dakota

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Project Goal # 2

Determine if a structure should be repaired or replaced

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Project Goal # 3

Evaluate hazard level

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Project Goal # 4

Estimate construction costs for repair or replacement

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Project Goal # 5

Summarize observations and recommendations in a comprehensive report

Project Features

  • Inspection and assessment of 20 dams in southwestern South Dakota
  • Inspection by staff members with Association of State Dam Safety Officials (ASDSO) certification
  • Inspection of both earthen and concrete dams
  • Comprehensive Report of all 20 dams

Services Provided

  • ASDSO dam inspection and assessment
  • Hazard level review
  • Preliminary Cost Estimating

Support Disciplines