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AT&SF

Location: Surprise, Arizona
Client: Flood Control District of Maricopa County

AT&SF Railroad Channel & Basin

Hoskin Ryan provided Alternatives Analysis and 15% Design Plans for the AT&SF Channel and Basin Candidate Assessment Report. Between Reems and El Mirage Roads, the channel will provide flood mitigation and a regional outfall for the Northern Parkway. Nine alternative drainage concepts and alignments were assessed for their hydrologic and hydraulic effectiveness and for their multi-use recreational potential. Hoskin Ryan hosted the stakeholder meetings and provided a presentation and outline of alternatives for review and refinement.
Preliminary channel design plans and profiles were prepared for the recommended alternative. All work products were completed on time in a very short time frame without change orders.
Project Requirements / Unique Characteristics:

  • Alternative Concepts Analysis
  • Floodplain Analysis
  • Hydrology & Hydraulics Analysis
  • Recreational Integration
  • Cost Analysis
  • Basis for Design on the Northern Parkway Draining System
  • Identified Partner Cost Sharing