NCHRP UPDATE AASHTO Highway Subcommittee...

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


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



• 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



• 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”



• 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)


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


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


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



� 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)



� 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)



� Best Value Procurement Methods for Highway Construction Projects


� 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




� 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)



� 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)



� 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)


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?

[email protected]

NCHRP UPDATE AASHTO Highway Subcommittee...

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