Download - Innovative Practices on SR 68 Design-Build
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Jennifer Livingston, P.E. ADOT
– Senior Project Manager
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Location of State Route
68
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Introduction to the Corridor
No reasonable alternate routes
Commercial trucks
Variable users
Daily commuter traffic
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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
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Design-Build vs.Traditional Contract Method
Design-Bid-Build: Design is complete before construction can begin
Design-Build: Design and construction occur simultaneously
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Why Design-Build for SR 68
Importance of the corridor
Project in ADOT’s 5-year plan
Partnerships – local jurisdictions – BLM
Design-Build legislation
Support
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Selection Process
Request For Qualifications (RFQ)/ Request For Proposal (RFP)
2 step process
7 firms responded to RFQ
3 firms short listed for RFP
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Selection Criteria
Oral Interview
Proposal Elements
Responsiveness: Design management, quality, public relations, mitigation
Innovation: Schedule, constructibility, elimination of design exceptions
Construction: Construction management, MOT, safety
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Measures actual travel time
$400,000 incentive
Camera at Milepost 2
Camera at Milepost 15
SR 68 Travel Time System
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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 SystemsTel: 617-491-7665Contact: Donald Wade or Salvatore D’Agostino
SR 68 Travel Time System
Golden Valley
MICROWAVE
One set of CCTV’s at MP 2
One set of CCTV’s at MP 12
Bullhead City Construction Office
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Lane Rental
$1 M incentive
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Motorist Assist Patrol (MAP)
Partnership with FHWA
Security company
Surveys
Contract requirements
Experience, tools, safety…
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Quality Workmanship Program
$500,000 incentive
Based on checklist and criteria
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Checklist
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Conformance Criteria Workmanship Inspection
Checklist Categories
Checklist Performance Goals
Measurement by Examination
Dimensional Measurement
A) Safety: Goal=97.5 Percent
Conformance
Safety MOT 701
SWPPP 810 Guardrail 905
GET 905
(Develop as required)
B) Operability: Goal=95.0 Percent
Conformance
Pipes 501 Fencing 903 Signs 608
Concrete Barrier 910 Catch Basins
Concrete Structures 601 Drilled Shaft 609
Electrical 732 Concrete Curb, Gutter
Sidewalk 908 Rip Rap 913
Reinforcing steel tolerances
Reinforcing steel cover Concrete member
dimensions (Others as required)
C) Durability and Appearance:
Goal=90.0 Percent Conformance
Grading 203 AB 303
Tack 404 Misc Structural 409
Superpave 417 Concrete Materials 1006
Concrete Curing 1006 ACFC 414
(Develop as required)
D) Management: Goal=90.0 Percent
Conformance
Bulletin Boards Survey 925
Contractor QC
(Develop as required)
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Public Information Campaign
– Over 25 presentations given to Kingman, Bullhead City and Laughlin civic organizations
Brochure
Project Update Newsletters
Hotline
Web page
Construction alerts
Speakers bureau
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Public Information Campaign
Media coordination
TV, radio, newspaper
Elected officials
TSM committee
Site visits by local elementary students
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BLM Coordinator
BLM employee on project full time
Primary responsibilities include permits and environmental concerns
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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
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Jennifer Livingston, P.E. ADOT
– Senior Project Manager