1B-4 Due Diligence and Contamination Management in Design … · 2019-01-23 · 5/5/2015 1 Due...
Transcript of 1B-4 Due Diligence and Contamination Management in Design … · 2019-01-23 · 5/5/2015 1 Due...
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Due Diligence and Contamination Management on Design Build Projects
Cyrus Parker, LG, PE, CPM
North Carolina Department of Transportation
Lesson Learned
Reduce Risk
Maintain Accountability
Meaningful Bids
And
Successful Projects
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NC Design Build Project History
102 Projects
39 Low Bid and Others
4 Turnpike Projects
59 Conventional
Projects
NC Design Build History
Conventional Projects With GeoEnvironmental Scopes of Work
40%
60%
Yes
No
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Due Diligence by the Department
• Identify Sites of Concern• Estimate Risk Level of Each Site
Related to the Project
Phase I
Planning
• Design Recommendations• Right of Way Recommendations
Phase II Investigation
• Remove Underground Storage Tank• Remove Contaminated Soil
Phase III Remediation
IIIIII
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First Design Build Scope of Work
Department Design Build Team
Design Build Teams’ Response
Questions
How can we bid a
Lump Sum
Too Many UnknownsConcerns
Very High Risk
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First Design Build Scope of Work
Department Design Build Team
Final Scope of Work
Department Design Build Team
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Adjusted Low
BidderManagement
Responsiveness
Long Term Maintenance
Schedule And Milestones Innovation
Quality
Aesthetics
Warranty
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1978 Aerial
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1987 Aerial
2007Aerial
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Contamination Management
Landfill
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Reduce Risk
Maintain Accountability
Meaningful Bids
and
Successful Projects