scholarly journals Finding Significant Factors to Affect Cost Contingency on Construction Projects Using ANOVA Statistical Method -Focused on Transportation Construction Projects in the US-

2014 ◽  
Vol 16 (2) ◽  
pp. 75-80 ◽  
Author(s):  
Sang Choon Lhee
2014 ◽  
Vol 8 (4) ◽  
Author(s):  
Aftab Hameed Memon ◽  
Ismail Abdul Rahman ◽  
Muhammad Akram ◽  
Nornashima Md Ali

2013 ◽  
Vol 13 (2) ◽  
pp. 286-293 ◽  
Author(s):  
Ismail Abdul Rahman ◽  
Aftab Hameed Mem ◽  
Ahmad Tarmizi Abd. Karim

Author(s):  
Guillermo Nevett ◽  
Paul M. Goodrum ◽  
Ray L. Littlejohn

Creating accurate estimates for the duration of road transportation projects is a challenging task that estimators and engineers have to face daily, and a lack of understanding of what drives such durations is a big contributor to this challenge. This paper expands on the efforts created by previous research efforts, not only by adding more variables to the model, but also by combining all project sizes and types into a single model. These additions increased the amount of explained variability, and the range of projects that can be studied with one model. This paper aims to determine which of the variables analyzed best predict project durations.


Author(s):  
Daniel D'Angelo ◽  
R. Edward Minchin ◽  
Yifeng Tian ◽  
Bang An

Public transportation agencies in the US have broken down the management of their bridge assets into four parts: preservation, preventive maintenance, rehabilitation, or replacement. As these agencies continue their battle to update and rehabilitate their civil infrastructure, bundling multiple bridge construction projects into a single contract can save money, human resources and time. State and local public agencies (LPAs) are beginning to employ this concept, but since practices and methods for bridge bundling are not yet standardized, the Federal Highway Administration has pursued tools and techniques to help these agencies successfully apply bridge bundling. A successful bridge bundling program focuses on a specific group (or bundle) of bridges that are slated for any of the four management areas, and navigates all the bridges in the bundle through the process from conception to completion. This is accomplished in the shortest time possible, with the support of the proper funding options and/or partnerships, Bridge bundling has demonstrated its ability to serve as an efficient and effective approach for sustaining and upgrading bridge assets through use of both federal and non-Federal funds. Use of the tool has led to cost savings and accelerated project delivery, and bridge bundling has proven itself valuable in all four of the major tactics currently employed to manage bridges.


2021 ◽  
Vol 18 (04) ◽  
Author(s):  
Julie Davis ◽  
Brittany Baur ◽  
Sarah Alexander ◽  
Ben Bachmann

To address changing climate patterns, cities in the US are expanding sustainable transportation options and implementing green infrastructure. Sustainable infrastructure projects help communities adapt, decrease CO2 emissions, promote community health, and provide economic benefits. These projects can also have unintended consequences, increasing gentrification and displacement of vulnerable communities through increased property values (i.e., green gentrification). The City of Madison maintains an extensive system of bike trails and continues to expand community access, with three projects recently completed or in development. We recommend that the City of Madison alter policy to use tax-increment financing or community land trusts as a preventative measure to mitigate green gentrification of nearby areas for all current and future bike path construction projects.


Author(s):  
Namhee Kang ◽  
Hyunjung Kim ◽  
Haekyung Im ◽  
Jaehyun Choi

The project management information system (PMIS) has recently been developed by using the IT technology in order to implement advanced information management technology to construction industry in Korea. The PMIS has been applied not only to domestic construction projects, but also to some overseas projects executed by Korean construction companies. This study was performed to develop the PMIS that is tailored to the US construction IT market. The US construction IT market has been monopolized by the US-based IT companies, but other companies are recently emerging with competitive technology and market strategy. As a preceding study, existing systems commercially available were analyzed, and the required features of the PMIS were identified by analyzing the core elements of contract, process and cost management for construction projects in the US. The PMIS then was developed based on the aforementioned analysis results. The system includes the document management module with an internal electronic approval system, the cost-plus-based automatic labor cost calculation module, and the progress management module to support the integrated project cost management. In addition, the functionality of the developed system was verified by construction project management experts in the US via questionnaire survey. The PMIS, which was developed in this study, is expected to be applied not only to the US construction IT market as a system specialized for the US construction industry, but also to other overseas markets in the future.


2009 ◽  
Vol 37 (2) ◽  
pp. 331-361 ◽  
Author(s):  
Junn-Yuan Teng ◽  
Wen-Chih Huang ◽  
Maw-Cherng Lin

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