scholarly journals Effects of Payment Delays at Two Links in Payment Chains on the Progress of Construction Projects: System Dynamic Modeling and Simulation

2019 ◽  
Vol 11 (15) ◽  
pp. 4115 ◽  
Author(s):  
Xie ◽  
Zheng ◽  
Zhang ◽  
Li
Keyword(s):  
Research Method ◽  
Construction Projects ◽  
Construction Project ◽  
Project Delivery ◽  
Flow Of Funds ◽  
Fund Flow ◽  
General Contractor ◽  
Complex Relationships ◽  
The Impact ◽  
Payment Policies

Payment is the lifeblood of construction projects. However, steady fund flow is rare in construction projects. This paper focused on a quantitative evaluation of the impact of payment delays at the two links (i.e., from owner to general contractor and from general contractor to subcontractor) on the progress of a construction project. A hybrid research method combining the interpretative structural modeling (ISM) method and system dynamics was used to simulate the complex relationships between a payment delay and project progress. Four distinct payment policies are quantitatively simulated to reveal the impact of payment delays at the two links on the progress of a construction project. The results show that shortening the payment period at the two links in the payment chain will accelerate the flow of funds and relieve the burden on contractors in providing advance funds in terms of amount and duration, making them powerful measures to ensure smooth progress. The other three payment policies require that the subcontractor provide large sums of advance funds for lengthy periods to ensure smooth project delivery.

scholarly journals Pengaruh Gaya Kepemimpinan Terhadap Kinerja Karyawan Pada Proyek Konstruksi di Masa Pandemi

2021 ◽  
Vol 4 (1) ◽  
pp. 41
Author(s):  
Iqbal Mirza Fuqhoha ◽  
Raflis Raflis
Keyword(s):  
Data Analysis ◽  
Leadership Style ◽  
Research Method ◽  
Construction Projects ◽  
Employee Performance ◽  
Construction Project ◽  
Work Productivity ◽  
Equation Modeling ◽  
The Impact

<span id="docs-internal-guid-6c8762c6-7fff-339a-602e-44f79fb187d7"><span>Leadership is very important in a construction project. As with current conditions, the impact of the virus outbreak has disrupted activities in Indonesia, one of which is construction project activities. So it takes a leader who has a leadership style that can influence maximum employee performance. This study aims to determine the factors of leadership style that most influence employee performance on construction projects during the pandemic. The research method uses the exploratory method and is processed using themethod Structual Equation Modeling. From the results of data analysis, there are 4 factors and 15 indicators of leadership style, managing work productivity is the indicator that most influences a leadership style, which is 0.955.</span></span>

Impact of team members’ composition on construction projects delivery in selected higher institutions in Nigeria

2017 ◽  
Vol 15 (03) ◽  
pp. 355-377 ◽  
Author(s):  
Nathaniel Ayinde Olatunde ◽  
Deji Rufus Ogunsemi ◽  
Ayodeji Emmanuel Oke
Keyword(s):  
Completion Time ◽  
Construction Projects ◽  
Construction Project ◽  
Construction Cost ◽  
Project Delivery ◽  
Small Magnitude ◽  
Content Type ◽  
Team Members ◽  
Higher Institutions ◽  
The Impact

Purpose The purpose of this paper is to examine the effect of team members’ composition on cost and time of completion of construction projects in selected higher institutions with a view to improving construction project delivery in Nigeria. Design/methodology/approach The study used the purposive sampling technique to select two higher institutions out of six in the study area, and census survey was used in selecting 35 completed construction projects executed by the institutions within the time frame 2000 to 2013. A total of 191 questionnaires were distributed to obtain information from construction team members (quantity surveyors, architects, structural/civil engineers, services engineers, contractors and clients) who participated in the selected construction projects. Mean item score and Kendall’s test were used in examining team members’ composition, while the relationship between team members’ composition and construction cost and time was tested using t-test and eta-squared. Findings The results revealed that construction team members’ composition has a significant impact on the completion time of construction projects, though with small magnitude, while the impact of construction team members’ composition on construction cost is not significant. Also, it was revealed that some team members did not play any team role due to the fact that the main criterion for team members’ composition was knowledge, skill and abilities (KSA). Practical implications The study finally recommended that a deliberate effort should be made in studying and ascertaining the team role every construction team member will play before appointing them to be member of a team, as improper team members’ composition could hamper effective construction project delivery in terms of completion time. Originality/value The study is an attempt to discourage the traditional construction team members’ selection system which was based on KSAs, which is deficient under team environment.

scholarly journals Risk analysis and strategic planning on bridge construction works at the toll road procurement projects in Central Java Province

2018 ◽  
Vol 49 ◽  
pp. 02020
Author(s):  
Hery Suliantoro ◽  
Nurul Fitriani ◽  
Bagus Hario Setiadji
Keyword(s):  
Avoidance Response ◽  
Construction Projects ◽  
Construction Project ◽  
Weather Forecast ◽  
Development Project ◽  
Response Strategy ◽  
Bridge Construction ◽  
Risk Response ◽  
Toll Road ◽  
The Impact

Risk is a condition caused by uncertainty. Risks will occur on any construction project, including bridge construction projects. Efforts that can be taken to minimize the impact of these risks are to engage in risk management activities. This research was conducted on bridge construction work on toll road procurement project in Pejagan-Pemalang, Pemalang-Batang and Salatiga-Kertasura. The purpose of this research is to analyze the risk of bridge development project in toll road project using Risk Breakdown Structure (RBS) method and then the result as database in discussing risk response strategy. The bridge construction project has 36 risks that are divided into six groups: materials and equipment, design, human resources, finance, management, nature and environmental conditions. Bad weather risks are the higest risk and seasonal risk causing temporary work stoppages. This risk-response strategy is avoidance. Short-term avoidance response strategy is to add shift workers, install tents and add additives in the acceleration of the process of maturation of concrete. The long-term avoidance response strategy is to evaluate and rearrange the work schedule by considering the weather forecast report.

Quantitative analysis of the impact of craft worker availability on construction project safety performance

2016 ◽  
Vol 16 (3) ◽  
pp. 307-322 ◽  
Author(s):  
Hossein Karimi ◽  
Timothy R.B. Taylor ◽  
Paul M. Goodrum ◽  
Cidambi Srinivasan
Keyword(s):  
Regression Analysis ◽  
Poisson Regression ◽  
Construction Projects ◽  
Construction Project ◽  
Safety Performance ◽  
Content Type ◽  
Poisson Regression Analysis ◽  
Incident Cases ◽  
The Impact ◽  
Craft Worker

Purpose This paper aims to quantify the impact of craft worker shortage on construction project safety performance. Design/methodology/approach A database of 50 North American construction projects completed between 2001 and 2014 was compiled by taking information from a research project survey and the Construction Industry Institute Benchmarking and Metrics Database. The t-test and Mann-Whitney test were used to determine whether there was a significant difference in construction project safety performance on projects with craft worker recruiting difficulty. Poisson regression analysis was then used to examine the relationship between craft worker recruiting difficulty and Occupational Safety and Health Administration Total Number of Recordable Incident Cases per 200,000 Actual Direct Work Hours (TRIR) on construction projects. Findings The result showed that the TRIR distribution of a group of projects that reported craft worker recruiting difficulty tended to be higher than the TRIR distribution of a group of projects with no craft worker recruiting difficulty (p-value = 0.004). Moreover, the average TRIR of the projects that reported craft worker recruiting difficulty was more than two times the average TRIR of projects that experienced no craft recruiting difficulty (p-value = 0.035). Furthermore, the Poisson regression analysis demonstrated that there was a positive exponential relationship between craft worker recruiting difficulty and TRIR in construction projects (p-value = 0.004). Research limitations/implications The projects used to construct the database are heavily weighted towards industrial construction. Practical implications There have been significant long-term gains in construction safety within the USA. However, if recent craft shortages continue, the quantitative analyses presented herein indicate a strong possibility that more safety incidents will occur unless the shortages are reversed. Innovative construction means and methods should be developed and adopted to work in a safe manner with a less qualified workforce. Originality/value The Poisson regression model is the first model that quantifiably links project craft worker availability to construction project safety performance.

The Evolution Model of Emergency Response System for Sudden Accidents of Construction Projects

2012 ◽  
Vol 226-228 ◽  
pp. 2253-2257
Author(s):  
Ren Hui Liu ◽  
Bo Yu
Keyword(s):  
Emergency Response ◽  
Construction Projects ◽  
Nonlinear Differential Equations ◽  
Continuous Process ◽  
Construction Project ◽  
Equation Model ◽  
Emergency Response System ◽  
Response System ◽  
The Impact ◽  
Emergency System

It is a nonlinear complex system for project emergency response system, that is a continuous process for the evolution of emergency construction project development process. The nonlinear differential equations that can describe the sudden emergency construction project the evolution of mathematical models. Emergency system by Logistic model was modified, taking into account the development of emergency systems will certainly be outside the system during the impact, combined with the project incidents of law principles of the role of Heinrich proposed TS-based emergency response system evolution equation Model, demonstrated the system at different stages of the emergency rules and features. For the emergency system in which the different stages of development, the corresponding measures to improve emergency response capabilities.

The Research of Collaboration Management Framework for Complex Construction Project

2012 ◽  
Vol 174-177 ◽  
pp. 3360-3363 ◽  
Author(s):  
Zhi Lu Zhen
Keyword(s):  
Construction Projects ◽  
Construction Project ◽  
External Environment ◽  
Risk Prevention ◽  
Collaborative Management ◽  
Prevention Measures ◽  
Management Framework ◽  
Collaboration Management ◽  
Complex Construction ◽  
The Impact

Based on analyzing the complexity of construction projects, we established a collaborative management framework for complex construction project and presented the main content of collaborative management. The main content includes three parts, the first part is the collaborative management for system itself, the second part is to reduce the system complexity in order to reduce the difficulty of management and the last part is to reduce the complexity caused by the uncontrollable external environment. We can use the method of risk pre-assessment and take risk prevention measures to reduce the impact for collaborative management caused by the dynamic external environment.

scholarly journals The role and progress of EIA in environmental protection in China

2021 ◽  
Vol 236 ◽  
pp. 03002
Author(s):  
Yingying Wu
Keyword(s):  
Environmental Impact ◽  
Environmental Protection ◽  
Construction Projects ◽  
Construction Project ◽  
Project Planning ◽  
Assessment System ◽  
Protection Measures ◽  
Planning And Construction ◽  
The Impact ◽  
Quality Status

The Environmental Impact Assessment system, referred to as the EIA system, is to evaluate the impact of the implementation of the plan or the construction and operation of the project on the environment, combine the surrounding environmental quality status, propose ecological or environmental protection measures,then evaluate the effectiveness of the measures, and draw a conclusion on the feasibility of the project(planning) in terms of environmental protection.This article summarizes the role and progress in environmental protection in the two aspects of planning and construction projects in recent years.Comprehensively selected cases found that both planning or construction project environmental assessment have played an important role in predicting the possible impact of planning or construction projects on the environment and ecology, and proposed feasible and effective environmental protection measures.After the planning or construction project adopts the conclusions and suggestions, as long as the "Three Simultaneous" regulations are followed, the impact of the planning or construction project on the environment or ecology can be prevented or effectively reduced. When it is necessary to conduct postevaluation of environmental impact, verify the actual conditions of the construction project, such as emissions and actual production processes.

scholarly journals ANALISIS KETERLAMBATAN PROYEK SERTA DAMPAKNYA TERHADAP BIAYA DAN WAKTU PELAKSANAAN PROYEK

2019 ◽  
Vol 5 (1) ◽  
pp. 13-19
Author(s):  
Fitri Nur Kharina ◽  
Kusno Adi Sambowo
Keyword(s):  
Construction Projects ◽  
Construction Project ◽  
Project Performance ◽  
Project Work ◽  
Earned Value ◽  
Time Period ◽  
Review Period ◽  
The Difference ◽  
The Cost ◽  
The Impact

Construction projects in all regions continues to be developed for the creation of facilities that can be utilized by the community. One of them is the construction of apartments which are now being intensively carried out to meet residential needs for the community. Making a construction project plan always refers to estimates that exist at the time development plan is made, therefore problems can arise if there is a discrepancy between the plans that have been made and the actual reality. So the impact that often occurs is the delay in the time of project implementation which can also be accompanied by an increase in the cost of implementing the project. In the construction project of Cinere Terrace Suites Apartemen & Citywalk, Jakarta there was a delay resulting in a late payment of monthly bill progress by the owner. Based on the above reasons, this research was conducted to find out how the project performance was seen from the cost and time period of the review period. how is the estimated cost and time to complete the overall project work. The method used in the analysis of this study is the Earned Value Method. Based on the results of the analysis carried out for 29 weeks the project performance on schedule has been delayed and cost shows a positive value. For the estimated completion time of the project there is an increase in time whose duration increases from the planned 98 weeks or 685 days to 109,624 weeks or 768 days. While the estimated cost of completing the project from the results of the analysis obtained a value of Rp. 270,147,448,569.16 smaller than the planned cost of Rp. 315,272,727,272.73. With the difference VAC of Rp. 45,125,278,703.57 this shows that there are benefits obtained by the contractor.

Fast-tracking of construction projects: a case study

1988 ◽  
Vol 15 (4) ◽  
pp. 493-499 ◽  
Author(s):  
P. Fazio ◽  
O. Moselhi ◽  
P. Théberge ◽  
S. Revay
Keyword(s):  
Construction Management ◽  
Construction Projects ◽  
Fast Track ◽  
Project Delivery ◽  
Design Management ◽  
Fast Tracking ◽  
Design Activities ◽  
Effective Use ◽  
The Impact

The growing use of professional construction management has been synonymous with the development of new project delivery systems such as the phased construction approach and the fast-tracking technique. This paper establishes the distinction between these two types of approach which have become increasingly popular for reducing project duration. The paper further illustrates, through a case study, the possible consequences of compressing and overlapping design activities in a fast-track program to expedite project delivery. A delay analysis shows the impact of this accelerated technique on construction activities. The far-reaching effect of mistakes during the early design/engineering phase in a fast-track program is usually underrated. Accelerating a project through fast-tracking is a major decision, and construction professionals often are not aware of its implications. Based on the case study examined in this paper and other fast-track constructions previously analyzed, trouble areas requiring special attention have been depicted and recommendations with regard to the effective use of this technique are presented. It has also been shown that if intensified effort on problem areas is lacking, such a popular accelerated technique could result in unexpected delays. Key words: fast-tracking, phased construction, professional construction management, design management.

scholarly journals Realizacja projektów inwestycyjno-budowlanych z wykorzystaniem Big Data

2017 ◽  
Vol 26 (2) ◽  
pp. 241-249 ◽  
Author(s):  
Jarosław Górecki ◽  
Jadwiga Bizon-Górecka ◽  
Karol Michałkiewicz
Keyword(s):  
Risk Management ◽  
Big Data ◽  
Construction Projects ◽  
Construction Project ◽  
Construction Companies ◽  
On Line ◽  
Line Survey ◽  
The Impact

A paper focuses on analyzing the impact of Big Data (BD) on minimizing the risk in investment and construction projects. The work presents the aspects of risk occurring during the execution of the construction project. It presents an on-line survey which was aimed at knowing the opinion of Polish construction companies on the BD, and checking their readiness to implement technologies supporting manipulation of the data. It was underlined that results of the BD analysis provide a powerful tool for risk management, however, it is hardly noticed by the Polish respondents.

Sign in / Sign up

Export Citation Format

Share Document