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State-of-practice for risk-based quality assurance in state departments of transportation

Auteur(s):



Médium: article de revue
Langue(s): anglais
Publié dans: Engineering, Construction and Architectural Management, , n. 7, v. 25
Page(s): 958-970
DOI: 10.1108/ecam-06-2016-0143
Abstrait:

Purpose

Selecting an optimal quality assurance (QA) process can have significant implications on the long-term durability and lifecycle costs of transportation projects. Currently, the approaches used by state departments of transportation (DOTs) to optimize QA are undocumented and the impact of project-specific factors are unknown. The paper aims to discuss these issues.

Design/methodology/approach

State-of-practice was documented via a review of DOT guidance documents, standard specifications and minimum sampling and testing requirements; a survey of 58 state DOT representatives; and interviews with eight DOTs.

Findings

DOT approaches to QA management are very diverse but can be organized into five levels that range fromad hocvisual inspection of materials to DOT-managed sampling and testing. Project size, location and complexity have strong influence on the selection of a QA approach, but DOT demographics and project delivery method are less significant.

Practical implications

Present approaches to the selection of a QA approach are generally informal, subjective and do not involve formal risk analyses. A data-driven approach for transportation projects is clearly needed.

Originality/value

Understanding how state DOTs approach QA method selection will serve as a foundation for new methods of QA optimization.

Structurae ne peut pas vous offrir cette publication en texte intégral pour l'instant. Le texte intégral est accessible chez l'éditeur. DOI: 10.1108/ecam-06-2016-0143.
  • Informations
    sur cette fiche
  • Reference-ID
    10576658
  • Publié(e) le:
    26.02.2021
  • Modifié(e) le:
    26.02.2021
 
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