Alternate Design/Alternate Bid Process for Pavement-Type Selection (2017) / Chapter Skim
Currently Skimming:
Pages 1-10
The Chapter Skim interface presents what we've algorithmically identified as the most significant single chunk of text within every page in the chapter.
Select key terms on the right to highlight them within pages of the chapter.
From page 1... ...
CONTENTS 1 SUMMARY 3 CHAPTER ONE INTRODUCTION TO ALTERNATE DESIGN/ALTERNATE BID Introduction, 3 Synthesis Objective, 3 Background, 3 Key Definitions, 4 Report Approach, 5 Case Study Methodology, 5 Protocol to Develop Conclusions, Effective Practices, and Suggestions for Future Research, 7 Organization of the Report, 8 9 CHAPTER TWO ALTERNATE DESIGN/ALTERNATE BID DESIGN ASPECTS Background, 9 Agency Use of Alternate Design/Alternate Bid for Pavement Projects, 9 Pavement Design Considerations in Alternate Design/Alternate Bid, 9 Pavement Design Alternatives, 12 Summary, 14 16 CHAPTER THREE ALTERNATE DESIGN/ALTERNATE BID LIFE-CYCLE COST ANALYSIS Introduction, 16 Life-Cycle Cost Adjustment Factors, 16 Life-Cycle Cost Analysis Issues in Alternate Design/Alternate Bid, 17 Summary, 21 22 CHAPTER FOUR DEPARTMENT OF TRANSPORTATION ALTERNATE DESIGN/ALTERNATE BID PROCUREMENT POLICIES, PROCEDURES, AND PROGRAMS Introduction, 22 Industry Perspectives on Alternate Bidding, 22 Alternate Design/Alternate Bid Procedures, 23 Survey Results for Agencies Practicing Alternate Design/Alternate Bid, 24 Survey Results for Agencies Not Practicing Alternate Design/Alternate Bid, 27 Comparing Practicing and Nonpracticing Agencies, 28 Use of Alternate Design/Alternate Bid Policies Over Time, 29 Summary, 29 31 CHAPTER FIVE ALTERNATE DESIGN/ALTERNATE BID CONTRACT ADMINISTRATION PROCEDURES Introduction, 31 Post-Award Contract Administration, 31 Alternate Design/Alternate Bid Consultant Design Contract Issues, 31 Material Price Adjustment Factors, 32 Alternate Design/Alternate Bid Performance Measures and Outcomes, 33 Contractor-Based Design Alternatives, 33 Summary, 34 36 CHAPTER SIX ALTERNATE DESIGN/ALTERNATE BID CASE STUDIES Introduction, 36 Indiana Department of Transportation, 37
|
From page 2... ...
Louisiana Department of Transportation and Development, 39 Michigan Department of Transportation, 41 Missouri Department of Transportation, 42 Ontario Ministry of Transportation, 45 Texas Department of Transportation, 46 Summary, 48 50 CHAPTER SEVEN CONCLUSIONS Introduction, 50 Conclusions, 50 Effective Practices, 51 Suggestions for Future Research, 51 52 GLOSSARY OF TERMS, ABBREVIATIONS, AND ACRONYMS 56 REFERENCES 60 APPENDIX A DEPARTMENT OF TRANSPORTATION SURVEY AND RESULTS 76 APPENDIX B RESEARCH NEEDS STATEMENT Note: Many of the photographs, figures, and tables in this report have been converted from color to grayscale for printing. The electronic version of the report (posted on the web at www.trb.org)
|
From page 3... ...
SUMMARY ALTERNATE DESIGN/ALTERNATE BID PROCESS FOR PAVEMENT-TYPE SELECTION Alternate design/alternate bid (ADAB) allows the pavement-type selection decision to be made as part of the procurement process by permitting contractors to bid their preferred alternative using real-time market pricing for the paving materials.
|
From page 4... ...
2 a voice in the development of ADAB procedures enhances the long-term effectiveness of the overall program. Leaders in both the HMA and PCC paving industries have shown support for ADAB procurement.
|
From page 5... ...
3 CHAPTER ONE INTRODUCTION TO ALTERNATE DESIGN/ALTERNATE BID INTRODUCTION Alternate design/alternate bids (ADAB) is a contracting technique in which the pavement-type selection decision is made as part of the procurement process.
|
From page 6... ...
4 lion went to PCC and the remainder went to HMA. The average number of bidders was 5.7 for ADAB projects versus 4.4 for conventional paving projects, similar to other values reported in the literature (Ahlvers 2010)
|
From page 7... ...
5 LCCA Terms Key LCCA-related terms are defined here. The definitions come from NCHRP Report 703: Guide for Pavement-Type Selection (Hallin et al.
|
From page 8... ...
6 The primary input to the case studies was gathered through structured interviews with agency personnel, contractors, and consultants. The structured interview outlines were developed using the method prescribed by the U.S.
|
From page 9... ...
7 Case Study Practical Examples Case practical examples were developed from five state DOTs and the Ontario Ministry of Transportation (MTO) in Canada.
|
From page 10... ...
8 validate the conclusion as appropriate because they were examples of how highway agencies in the United States and Canada have actually implemented ADAB. Effective practices were identified when a given practice was reported to be successful in the literature, and the same practice was also reported to be in use satisfactorily by agencies other than the one found in the literature, either from the survey or from case studies.
|
Key Terms
This material may be derived from roughly machine-read images, and so is provided only to facilitate research.
More
information on Chapter Skim is available.