Improving the accuracy of early cost estimates on transportation infrastructure projects

I Karaca, DD Gransberg, HD Jeong - Journal of Management in …, 2020 - ascelibrary.org
A better understanding of top-down estimating practices and their contribution to budgeting
accuracy allows public transportation agencies to allocate limited construction funds more …

Owner's countermeasures to skewed bidding in construction projects: Review of current practices and proposal for new countermeasures

KH Hyari - Journal of management in engineering, 2017 - ascelibrary.org
Skewed bidding is advocated as a contractor bidding strategy to obtain higher profit at the
expense of the owner or gain competitive advantage over other bidders. Many scholars …

Cost overrun in public-private partnerships: Toward sustainable highway maintenance and rehabilitation

PC Anastasopoulos, JE Haddock… - Journal of Construction …, 2014 - ascelibrary.org
Transportation agencies worldwide have been preparing themselves to face the growing
demand for transportation infrastructure by forming public-private partnerships (PPP) …

Reducing data-collection efforts for conceptual cost estimating at a highway agency

BJ Gardner, DD Gransberg… - Journal of Construction …, 2016 - ascelibrary.org
Data-driven models using historical project attributes to estimate future construction costs,
such as multiple-regression analysis and artificial neural networks are both proven …

Unbalanced bidding in construction projects: A contractors' perspective

KH Hyari, T Alamayreh - International journal of construction …, 2023 - Taylor & Francis
Published research on unbalanced bidding either shows the owners' perspective or intends
to represent the contractors' views through theoretical models. This paper aims to reflect the …

Handling risks of quantity variations in unit-price contracts

KH Hyari, N Shatarat, A Khalafallah - Journal of construction …, 2017 - ascelibrary.org
Unit-price contracts are awarded based on estimated quantities while payment to the
contractor is based on actual quantities of work. In many cases, estimated and actual …

An International Overview of Unbalanced Pricing under Bidding Regulations for Public Construction Projects

O Alhyari, KH Hyari - Journal of Legal Affairs and Dispute …, 2023 - ascelibrary.org
Unbalanced pricing in competitive bidding is a source of concern for public authorities
responsible for managing the tendering stage of public work projects. This paper studies …

Contractors' and agency decisions and policy implications in A+ B bidding

D Gupta, EM Snir, Y Chen - Production and Operations …, 2015 - journals.sagepub.com
The focus of this study is on the A+ B transportation procurement mechanism, which uses
the proposed cost (A component) and the proposed time (B component) to score contractors' …

Detection model for unbalanced bidding in railway construction projects: Considering the risk of quantity variation

X Wu, F Xu - Journal of construction engineering and management, 2021 - ascelibrary.org
The application of a unit-price contract is nascent in railway construction projects in China.
The investment risks for owners arising from unbalanced bidding in unit-price contracts …

Probabilistic approach for long-run price projections: Case study of concrete and asphalt

O Swei, J Gregory, R Kirchain - Journal of construction engineering …, 2017 - ascelibrary.org
Practitioners increasingly use pavement management systems for determining the allocation
of resources for multidecade investments. One important and uncertain input that will affect …