Design-Build Effectiveness Study
As Required by TEA-21 Section 1307(f)
Final Report
Prepared for:
USDOT - Federal Highway Administration
January 2006
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TABLE OF CONTENTS
INTRODUCTION
Background
Purpose and Objectives
Scope
Approach
Design-Build Program and Project Surveys
Design-Build Program Survey
Design-Build Project Survey
Comparable Design-Bid-Build Project Survey
Survey Distribution and Response Rates by States Participating in the SEP-14 Program
Analysis Methodologies
Research Team
Report Outline
DESIGN-BUILD PROJECT DELIVERY
Definition of Design-Build Project Delivery
Historical Perspective on Infrastructure Project Delivery
Re-Emergence of Design-Build Project Delivery
Design-Build Issues
Proclaimed Advantages of Design-Build Project Delivery
Proclaimed Disadvantages of Design-Build Project Delivery
Evaluation Criteria for Assessing Design-Build Project Delivery
Results of Prior Studies
Design-Build Contracting Final Rule
Section 1503 of Safe, Accountable, Flexible Efficient, Transportation Equity Act: A Legacy for Users
SPECIAL EXPERIMENTAL PROJECT NUMBER 14 INNOVATIVE CONTRACTING
SEP Program Background
SEP Program Descriptions
SEP-14 Design-Build Program Overview
Distribution of SEP-14 Projects by Type and Size
Distribution of SEP-14 Projects by State and Timeframe
Major SEP-14 Design-Build Program States
FINDINGS
Overview of SEP-14 Design-Build Program
Extent of Design-Build Program
Contracting Methods Used by States with Design-Build Programs
Procurement Methods Used for Design-Build Projects
Payment Methods Used by States with Design-Build Programs
Suitability of Design-Build Project Delivery
Legislative and Policy Requirements
Adequacy of Design-Build Procurement and Contract Administration Procedures
Effects of Design-Build Contracting on Project Duration, Cost, and Quality
Effects of Design-Build Contracting on Project Duration
Estimated Impacts of Design-Build on Project Duration
Planned Versus Actual Project Duration
Design-Build Versus Design-Bid-Build Project Duration
Effects of Design-Build Contracting on Project Costs
Estimated Impacts of Design-Build on Project Cost
Reported Impacts of Design-Build on Project Cost
Comparison of Reported Project Cost Change between Design-Build and Design-Bid-Build Project Delivery
Causes of Project Cost Changes
Change Orders and Claims
Effect of Design-Build Contracting on Project Quality
Estimated Impacts of Design-Build on Project Quality
Contracting Agency Satisfaction
Experience of the Project Delivery Team
Other Project Delivery Success Criteria
Appropriate Level of Preliminary Design for Design-Build Procurements
Impact of Design-Build Contracting on Small Businesses
Size of Prime Contractors and Subcontractors for Design-Build versus Design-Bid-Build Projects
Limits on the Extent of Design-Build Contract Value Held by Prime Contractor
Use of Direct Hire Versus Subcontractor Resources for Design-Build Contracts
Prequalification Requirements
Extent of Competition for Design-Build Projects versus Design-Bid-Build Projects
Assessment of Subjectivity Used in Design-Build Contracting
Design-Build Project Designation Criteria
Design-Build Contract Award Criteria
Other Design-Build Contract Features
Design-Build Contract Pricing Approaches
Design-Build Contract Specifications
Design-Build Contract Incentives and Disincentives
Extended Warranties in Design-Build Contracts
CONCLUSIONS AND RECOMMENDATIONS
Agency Suggestions for Improving Design-Build Programs
Design-Build Program Lessons Learned Based on Project Surveys
Design-Build Program Improvements Based on Program Surveys
Conclusions
Impacts on Project Timeliness
Impacts on Project Cost
Impacts on Project Quality
Level of Design Completed Prior to Design-Build Contract
Impacts on Small Business
Subjectivity of Design-Build Contracting
Other Considerations
Recommendations
Closing Remarks
APPENDICES
GLOSSARY OF TERMS
PARTICIPATING SEP-14 PROGRAM AGENCIES AND CONTACT INFORMATION
SEP-14 PROJECTS
List of Total and Surveyed SEP-14 Projects
List of Design-Bid-Build Comparable Projects
DISTRIBUTION OF SEP-14 PROJECTS INCLUDED IN STUDY
SURVEY INSTRUMENTS AND RELATED DOCUMENTATION
Email Cover Letter
Letter of Assistance
Survey Instructions
Survey Introduction
Program Survey
Project Survey
REVIEW OF COMPLETED SEP-14 PROJECT EVALUATION REPORTS
Preliminary Results
Conclusions
List of SEP-14 Project Evaluation Reports
BIBLIOGRAPHY
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