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US 93 Improvements – Buchanan Boulevard to the Hoover Dam Interchange PowerPoint Presentation
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US 93 Improvements – Buchanan Boulevard to the Hoover Dam Interchange

US 93 Improvements – Buchanan Boulevard to the Hoover Dam Interchange

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US 93 Improvements – Buchanan Boulevard to the Hoover Dam Interchange

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  1. US 93 Improvements – Buchanan Boulevard to the Hoover Dam Interchange 2012 APWA Project of the Year Submittal Transportation Category, Projects $10 Million to $20 Million

  2. US 93 Improvements – Buchanan Boulevard to the Hoover Dam Interchange Service to the Public

  3. US 93 Improvements – Buchanan Boulevard to the Hoover Dam Interchange Service to the Public

  4. US 93 Improvements – Buchanan Boulevard to the Hoover Dam Interchange Community Need • 5.2 miles of widening • 9 intersections • Partial interchange reconstruction • 1 retaining wall • 5 miles of new ITS infrastructure • Extension of a bighorn crossing • 3000 feet of storm drain • 4000 foot interceptor ditch system • 7 concurrent utility relocations

  5. Community Need US 93 Improvements – Buchanan Boulevard to the Hoover Dam Interchange Immediate Stakeholder Coordination • National Park Service • Boulder City Public Works (held 1 of 2 public information meetings) • Native American Consultation (SHPO) • Division of Wildlife • Hacienda Hotel & Casino • Lake Mead View Estates HOA ADOT/Bullhead City/ Laughlin • Meetings/conference calls with ADOT and FHWA • Meeting with Bullhead City Staff, ADOT & FHWA (AZ & NV) • Laughlin City Council

  6. US 93 Improvements – Buchanan Boulevard to the Hoover Dam Interchange Intricacy of Design Fast Track Design Schedule: Start to Advertisement 11 weeks • Scope identified early January 2011 • Approved for design January 2011 • Design initiated February 2011 • Design complete May 6, 2011 • Notice of award July 28, 2011

  7. Utility Relocations Intricacy of Design Several Utility Agencies / Concurrent Relocations • Cox Communications • Century Link • National Park Service Communications Lines • Southwest Gas • Las Vegas Valley Water District • Boulder City Sewer & Water • Hacienda Hotel & Casino Utilities

  8. Operation/ Safety Improvements Colorado Street Intricacy of Design Retaining Wall with Transmission Pole at Colorado Street

  9. Operation/ Safety Improvements Nevada Way Intricacy of Design Improvements

  10. Operation/ Safety Improvements Lake Mountain Drive, Ville Drive, Lakeshore Road Intricacy of Design Original High-T Intersection

  11. Access Management Improvements Hacienda Hotel & Casino Intricacy of Design Improvements

  12. Operation/ Safety Improvements Hoover Interchange Intricacy of Design

  13. Intelligent Transportation Systems (ITS) & Sign Enhancements Intricacy of Design

  14. Drainage Intricacy of Design

  15. Landscaping and Amenities Intricacy of Design • Lighting Upgrades • Coloring on Concrete Structures • Re-vegetation • Pull out for LMNRA

  16. US 93 Improvements – Buchanan Boulevard to the Hoover Dam Interchange Difficulty of Construction Construction: • Began – August 2011 • Open to Traffic – November 23, 2011 Notice of Award to Opening = 79 Days

  17. Community Coordination Difficulty of Construction Labor Day at Lake Mead Boulder City Arts Festival Mountain Man Triathlon Silverman Triathlon World Championships Pumpkin Man Race

  18. Environmental Issues Difficulty of Construction

  19. Utility Coordination Difficulty of Construction • Cox Communications • Century Link • Southwest Gas • Las Vegas Valley Water District • Boulder City Sewer & Water • Hacienda Hotel & Casino Utilities • National Park Service Communications Lines

  20. Blasting Difficulty of Construction

  21. Quantities Difficulty of Construction New graded gas station/ overflow parking area at Hacienda Hotel

  22. US 93 Improvements – Buchanan Boulevard to the Hoover Dam Interchange Complexity of Funding • Time from Governor‘s directive to obtaining funds and people working • 100% of project funding came from the State • Worst economy in 65 years • Typical process:

  23. US 93 Improvements – Buchanan Boulevard to the Hoover Dam Interchange Cost and Time Growth • Original Contract Price: $15,858,585 • Change Orders or Delays: $1,143,928 • Cost Growth = 7.2% Time Growth = 0 Days

  24. US 93 Improvements – Buchanan Boulevard to the Hoover Dam Interchange Sustainability Social / Environmental / Economic • Recycled material • Millings on parking lots – reused • Salvaged and replanted vegetation • Excess material used to construct parking lot @ Hacienda and widen shoulders • Bike paths • ITS/ MOT • Expand streets and/or highways • Access road improvements • Wildlife crossing – bighorn crossing @ Hoover Dam Interchange • Construction footprint • Tortoise fencing

  25. Thank You