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Jeff Lerud, PE, CPM Senior Project Manager Nevada Department of Transportation
| Date post: | 25-Dec-2015 |
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Jeff Lerud, PE, CPMSenior Project Manager
Nevada Department of Transportation
• Design Bid Build vs. Design Build • I80 Robb Drive to Vista Blvd. Project• Major Elements• Challenges/ Successes of Project
• Question/ Answer
Discussion Points:
BUT FIRST…Tell me about you• Name• Where you’re from• NDOT or I80 Project experience
• Innovation• Builder input
• Faster Delivery• Design/construction overlap
• Risk Allocation• Shifting risk
• Cost Certainty• Upfront
Design Bid Build vs. Design Build
Advantages• Traditional delivery• Facilitates bidder competition• Department controls design• Right-of-Way and Utilities managed during design
Design Bid Build vs. Design Build
Design Bid Build
Disadvantages• Little risk transfer to contractor• Contractor has no input during design phase• Department responsible for design/constructability risks• Minimal opportunity for innovation• Public funding required upfront
Design Bid Build vs. Design Build
Design Bid Build
Advantages• One entity is responsible for delivery of entire project• Risk is transferred from Department to DB team• Construction may begin before final design• DB participates in design phase
Design Bid Build vs. Design Build
Design Build
Disadvantages• Department has less control over design• Risk allocation• Administrative costs greater• Best value may not be lowest bid• Public funding required upfront
Design Bid Build vs. Design Build
Design Build
I-80 Robb Drive to Vista Boulevard Project
Concept 1
Pavement Reconstruction: Keystone Ave. to 4th St.
Keysto
ne
Ave.
4th S
t.
Existing Pavement Conditions
Existing Pavement Conditions
Concept 2
Concept 2: Intelligent Transportation System (ITS)
ITS Devices Dynamic Message Signs
(DMS) Travel Time Signs (TTS) Ramp Meters
Intelligent Transportation System
Benefits Quicker Incident
Response Times Informing the Motorists of
Accidents and Travel Times
TRIP RELIABILITY
Concept 4 and 5
Concept 4Restripe I-80 EB to I-580 SB on-ramp
Concept 5Widen Virginia St. WB off-ramp to two lanes
Concept 8
Sparks Blvd: Loop Ramp; Triple Lefts
Concept 9Auxiliary Lanes: E. McCarran Blvd to Vista Blvd.
July 2011
August 2011
September 2011
September 2011
September 2011
September 2011
• New Processes• Design Bid Build • Resources• 3 DB projects • Preferences• Risk Transfer• Subgrade
Project Successes/ Challenges
• Traffic Control• Construction Meters• Design Complete• Ahead of Schedule• Stakeholder Participation• Public Outreach
