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NCHRP UPDATENCHRP UPDATE
AASHTO Highway Subcommittee AASHTO Highway Subcommittee
on Constructionon Construction
Timothy Hess
National Cooperative Highway
Research Program
National Cooperative Highway National Cooperative Highway
Research ProgramResearch Program
� State DOTs support-Problems
-Funds
� Applied research focus-National issues
-Shared issues
� Contract research– Panels– Research contractors
The National AcademiesThe National AcademiesPrivate, Nonprofit Research InstitutionPrivate, Nonprofit Research Institution
National Academyof Sciences (NAS)
National Academy ofEngineering (NAE)
Institute ofMedicine (IOM)
National ResearchCouncil (NRC)
Transportation ResearchBoard (TRB)
(Division F)
Transportation Research BoardTransportation Research Board
A
TECHNICAL
ACTIVITIES
E
SPECIAL
PROGRAMS
B
STUDIES
& INFO
C
ADMIN &
FINANCE
D
COOPERATIVE
RESEARCH PROGRAMS
•NCHRP
•TCRP
•CTBSSP
Selected Items of InterestSelected Items of Interest
• NCHRP REPORTS (completed research)
• NCHRP SYNTHESIS PROJECTS
• ACTIVE NCHRP PROJECTS
• NEW NCHRP PROJECTS
• FUTURE RESEARCH PROJECTS
Selected Items of InterestSelected Items of Interest
NCHRP ReportsNCHRP Reports
• Report 510, Interim Planning for a Future Strategic Highway Research Program
• Report 498,Illumination Guidelines for Nighttime Highway Work
• Report 476, Guidelines for Design and Operation of Nighttime Traffic Control for Highway Maintenance and Construction
Selected Items of InterestSelected Items of Interest
NCHRP ReportsNCHRP Reports
• Report 475, A Procedure for Assessing and Planning Nighttime Highway Construction and Maintenance
• Report 451, Improved Contracting Methods for Highway Construction Projects
• Reports 448, 443, and CRP –CD-7, Environmental Impact of Construction and Repair Materials on Surface and Ground Water
Selected Items of InterestSelected Items of Interest
NCHRP ReportsNCHRP Reports
• Web Document 51, Construction Engineering and Management Research Needs Study-HSOC
• Web Document 38, Quality-Based Performance Rating of Contractors for Prequalification and Bidding Purposes
• Selected Studies in Transportation Law, Volume 1, “Construction Contracts”
Selected Items of InterestSelected Items of Interest
NCHRP ReportsNCHRP Reports
• Feasible Construction Tolerances in Response to the Draft ADA Guidelines(Project 20-7/167)-HSOC
• Revision of AASHTO R9-97 “Standard Recommended Practice for Acceptance Sampling Plans for Highway Construction(Project 20-7/164)
• Synthesis of Best Practices and Development of Guidelines on Project Cost Estimating(Project 20-7/152)
Selected Items of InterestSelected Items of Interest
SynthesisSynthesis
• Topic 37-06, Technologies for Construction Delivery
• Synthesis 346, State Construction Quality Assurance Programs
� Synthesis 343, Management of Disadvantaged Business Enterprise Issues in Construction Contracting
Selected Items of InterestSelected Items of Interest
SynthesisSynthesis
• Synthesis 331, Statewide Highway Letting Program Management
� Synthesis 315, Compensation for Contractor’s Home Office Overhead
• Synthesis 308, Owner Controlled Insurance Programs
• Research Results Digest 274, Quality Assurance of Structural Materials
Selected Items of InterestSelected Items of Interest
Active Research ProjectsActive Research Projects
� Evaluation of the Use of
Incentives/Disincentives (I/D) to Reduce Time
to Complete Highway Projects (Project 10-
58(1))-HSOC
� Effectiveness of Pavement Warranties
(Project 10-68)-HSOC
� Innovative Contracting for Major
Transportation Projects (Project 20-24(43)-
HSOC
Selected Items of InterestSelected Items of Interest
Active Research ProjectsActive Research Projects
� Design and Construction Specifications for
Horizontally Curved Concrete Highway
Bridges (Project 12-71)
� Procedures for Determining the Mixing and
Compaction Temperatures of Superpave
Asphalt Binders in Hot Mix Asphalt (Project 9-
40)
� Guidelines for Dowel Bar Insertions in
Concrete Pavements (Project 10-69)
Selected Items of InterestSelected Items of Interest
Active Research ProjectsActive Research Projects
� Using Contractor Performed Tests in Quality Assurance (Project 10-58(2))-HSOC
� LRFD Soil-Nailing Design and Construction Specs (Project 24-21)
� Construction Specifications for Bonded Repair and Retrofit of Concrete Structures Using RFP (Project 10-59)
Selected Items of InterestSelected Items of Interest
Active Research ProjectsActive Research Projects
� Best Value Procurement Methods for Highway Construction Projects
(Project 10-61)-HSOC
� Development of the 2002 Guide for the Design of New and Rehabilitated Pavement Structures (Project 1-37)
� Nondestructive Testing Technology for Quality Control and Acceptance of Flexible Pavement Construction
(Project 10-65)-HSOC
Selected Items of InterestSelected Items of Interest
Active Research ProjectsActive Research Projects
� Texturing of Concrete Pavements
(Project10-67)
� Design and Construction Guidelines for Long-Span Decked Precast, Prestressed Concrete Girder Bridges, (Project 12-69)
� Self-Consolidating Concrete for Precast, Prestressed Concrete Bridge Elements, (Project18-12)
� Guide for Pavement Friction (Project 1-43)
Selected Items of InterestSelected Items of Interest
Active Research ProjectsActive Research Projects
� Design of Construction Work Zones on High-Speed Highways, (Project 3-69)
� Illumination Guidelines for Nighttime Highway Work, (Project 5-13)
� Guidelines for Selection and Application of Warning Lights on Roadway-Operations Equipment, (Project 13-02)
Selected Items of InterestSelected Items of Interest
Active Research ProjectsActive Research Projects
� Standard Practice for Independent
Assurance Programs, (Project 20-07, Task
198)
� Use of Positive Protection in Work Zones,
(Project 20-07, Task 174)
� Development of an AASHTO Design-Build
Request-for-Proposals Specification
Guide, (Project 20-7,Task 172)
Selected Items of InterestSelected Items of Interest
New Research ProjectsNew Research Projects
� Update of the AASHTO Guide
Specifications for Highway Construction,
(Project 20-7, Task 207)-HSOC
� Use of Warranties in Highway
Construction, (Project 20-7, Task 201)
Future Research ProjectsFuture Research Projects
• NCHRP Project 10-58, “Construction Engineering and Management Research Needs Study” (Web Document 51)
• 17 Problem Statements Developed
• 2 have been funded
• 15 problem statements yet to be funded
� TRB Construction Management Committee– Compiled and endorsed 19 problem statements
– http://gulliver.trb.org/committees/rps2004/AFH10.pdf
trb.org/trb/nchrptrb.org/trb/nchrp
� Information on NCHRP and TCRP
� Search engine
� All research projects since 1988
� Project statements (requests for proposals)
� Anticipated projects
� CRP publication lists and how to order them
� Registration form for receipt of RFPs
Questions?
timhess@nas.edu
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