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Innovative Practices on SR 68 Design-Build

Explore the successful implementation of the Design-Build method for the reconstruction of State Route 68. Learn about the benefits of this innovative approach and the various strategies employed to ensure project success, including partnerships, travel time systems, lane rental incentives, and a quality workmanship program.

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Innovative Practices on SR 68 Design-Build

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  1. Innovative Practices on SR 68 Design-Build Jennifer Livingston, P.E. ADOT – Senior Project Manager

  2. Location of State Route 68

  3. Introduction to the Corridor • No reasonable alternate routes • Commercial trucks • Variable users • Daily commuter traffic

  4. SR 68 Project • $42 Million reconstruction of 13.7 miles • New alignment (2-mile section) • New bridges/wildlife crossings • Truck escape ramps • 440 Contract days

  5. Design-Build vs.Traditional Contract Method • Design-Bid-Build: Design is complete before construction can begin • Design-Build: Design and construction occur simultaneously

  6. Importance of the corridor Project in ADOT’s 5-year plan Partnerships – local jurisdictions – BLM Design-Build legislation Support Why Design-Build for SR 68

  7. Request For Qualifications (RFQ)/ Request For Proposal (RFP) 2 step process 7 firms responded to RFQ 3 firms short listed for RFP Selection Process

  8. Oral Interview Proposal Elements Responsiveness: Design management, quality, public relations, mitigation Innovation: Schedule, constructibility, elimination of design exceptions Construction: Construction management, MOT, safety Selection Criteria

  9. SR 68 Travel Time System • Measures actual travel time • $400,000 incentive Camera at Milepost 15 Camera at Milepost 2

  10. Golden Valley One set of CCTV’s at MP 12 MICROWAVE One set of CCTV’s at MP 2 Bullhead City Construction Office SR 68 Travel Time System Video images from the two sets of CCTV’s are received by the computer. Travel Time is computed for each 10-minute interval. Video imaging system and tag recognition provided by Computer Recognition Systems Tel: 617-491-7665 Contact: Donald Wade or Salvatore D’Agostino

  11. Lane Rental • $1 M incentive

  12. Partnership with FHWA Security company Surveys Contract requirements Experience, tools, safety… Motorist Assist Patrol (MAP)

  13. $500,000 incentive Based on checklist and criteria Quality Workmanship Program

  14. Checklist

  15. Workmanship Inspection Checklist Categories Checklist Performance Measurement by Dimensional Goals Examination Measurement A) Safety: Safety (Develop as required) Goal=97.5 Percent MOT 701 Conformance SWPPP 810 Guardrail 905 GET 905 B) Operability: Pipes 501 Reinforcing steel Goal=95.0 Percent Fencing 903 tolerances Conformance Signs 608 Reinforcing steel cover Concrete Barrier 910 Concrete member Catch Basins dimensions Concrete Structures 601 (Others as required) Drilled Shaft 609 Electrical 732 Concr ete Curb, Gutter Sidewalk 908 Rip Rap 913 C) Durability and Grading 203 (Develop as required) Appearance: AB 303 Goal=90.0 Percent Tack 404 Conformance Misc Structural 409 Superpave 417 Concrete Materials 1006 Concrete Curing 1006 ACFC 414 D) Management: Bulletin Boards (Develop as required) Goal=90.0 Percent Survey 925 Conformance Contractor QC Conformance Criteria

  16. Over 25 presentations given to Kingman, Bullhead City and Laughlin civic organizations Brochure Project Update Newsletters Hotline Web page Construction alerts Speakers bureau Public Information Campaign

  17. Media coordination TV, radio, newspaper Elected officials TSM committee Site visits by local elementary students Public Information Campaign

  18. BLM Coordinator • BLM employee on project full time • Primary responsibilities include permits and environmental concerns

  19. Benefits of Design-Build • Helps to develop, start and finish projects early • Encourages the contractor and ADOT to build relationships and teams • Through the lane rental and travel time incentive, the contractor had a stake in keeping the traffic moving through the project

  20. Innovative Practices on SR 68 Design-Build Jennifer Livingston, P.E. ADOT – Senior Project Manager

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