Risk-Based Approach to Predict the Cost Performance of Modularization in Construction Projects

2021 ◽  
Vol 147 (10) ◽  
pp. 04021133
Author(s):  
Mohamad Abdul Nabi ◽  
Islam H. El-adaway
Keyword(s):  
Construction Projects ◽  
Cost Performance ◽  
The Cost

scholarly journals Evaluation of Dispute Prone Areas in Construction Projects

2021 ◽  
Author(s):  
Manu Noushad ◽  
Anu V. Thomas ◽  
Ramaswamy K. P
Keyword(s):  
Analytical Hierarchy Process ◽  
Construction Projects ◽  
Cost Overrun ◽  
Cost Performance ◽  
Research Findings ◽  
The Cost ◽  
Hierarchy Process

Construction projects experience claims and disputes due to increased complexity of contract documentation, which subsequently affects the cost performance of projects. Majority of the previous studies on disputes and cost overrun have mainly focused on finding the causes of cost overrun or disputes in the industry. Identification of dispute prone areas and the associated range of cost overrun due to the disputes are less explored. Previous research findings indicate that the various factors resulting in cost overrun itself are the causes of disputes. It is necessary to understand, assess and take appropriate actions for increasing the predictability of claims and disputes in order to improve the cost performance of construction projects. In this study, an attempt is made to identify and prioritize the dispute prone areas in Indian construction projects by analytical hierarchy process (AHP).

scholarly journals Cost Overrun Factors Involving Local Private Residential

2018 ◽  
Vol 7 (3.36) ◽  
pp. 6
Author(s):  
Nik Fatma Arisya Nik Yahya ◽  
Suhaida S.K ◽  
Nurul Aini Osman ◽  
Nadeera Abdul Razak
Keyword(s):  
Construction Projects ◽  
Financial Risk ◽  
Quantitative Method ◽  
Prime Factor ◽  
Cost Overrun ◽  
Average Amount ◽  
Cost Performance ◽  
Design Error ◽  
The Cost ◽  
Residential Projects

Cost is the prime factor for driving to the successful of a project. A poor cost performance become a common problem in worldwide which bring a significant financial risk to both contractors and clients. Construction projects are relatively risky because the projects operate in a complexity and dynamic situation. This study aimed to explore the major contributors of cost overrun and propose strategies in minimizing the cost overrun factors involving local private residential projects in Malaysia. A quantitative method was applied to the respondents from contractors firm Grade G7 in Selangor area, and the data were analyzed using Likert scale to obtain mean score. There are 5 categories of cost overrun factors found from previous studies. Design error and poor contractors site supervision were ranked as the top two contributors to cost overrun in Private Residential Projects. Additionally, 79% of the respondents agreed that construction projects face cost overrun with an average amount of 1-5% of contract sum. 9 strategies are available to overcome the problems and the result shows that effective strategic planning is the most effective mitigation. 

scholarly journals Analysis of Cost of Rework on Time and Cost Performance of Building Construction Projects in Abuja, Nigeria

2018 ◽  
Vol 5 (1) ◽  
Author(s):  
Emmanuel Chidiebere Eze ◽  
John Ebhohimen Idiake
Keyword(s):  
Significant Relationship ◽  
Construction Projects ◽  
Building Construction ◽  
P Value ◽  
Delivery Time ◽  
Cost Performance ◽  
Project Cost ◽  
Final Project ◽  
The Cost ◽  
The Impact

Rework is a menace that leads to undesired and unnecessary loss of efforts, it degrades project cost and schedule performance of construction projects, both at design and construction phases. This study therefore, analyzed the impact of cost of rework on time and cost performance of building construction projects in Nigerian, using selected commercial building project within the country’s capital. A pro forma was adopted for gathering data on rework cost, project cost and time of selected building projects, while structured questionnaire was used to collect information on the likely measures for reducing rework incidences from construction professionals that were involved in the delivery of the identified projects. Regression analysis, relative importance index and Kruskal-Walis test were employed for data analysis. The study revealed a significant relationship between the cost of rework and initial and final project cost of delivering commercial buildings, as an average of 3.53% impact on the initial project cost, 46.60% contribution to cost overrun, and p-value of 0.000 was observed on all assessed projects. For the project delivery time, a significant relationship between the cost of rework and initial and final project duration, as an average of 7.35% impact on the initial delivery time, extra 19 days and p-value of 0.000 was observed on all assessed projects. Team building and education, management commitment, employee involvement, were some of the best possible measures to minimized rework problems.

Green Building Construction Projects in Singapore: Cost Premiums and Cost Performance

2017 ◽  
Vol 48 (4) ◽  
pp. 67-79 ◽  
Author(s):  
Bon-Gang Hwang ◽  
Lei Zhu ◽  
Yinglin Wang ◽  
Xinyi Cheong
Keyword(s):  
Construction Projects ◽  
Green Building ◽  
Building Construction ◽  
Extensive Literature ◽  
Cost Performance ◽  
Building Projects ◽  
Factors Affecting ◽  
Feasible Solutions ◽  
The Cost ◽  
Significant Factors

This study aims to investigate the cost premiums and cost performance of green building projects. After an extensive literature review, relevant data from 242 traditional and 121 green building projects performed by 30 different companies were collected through a survey in Singapore. The results indicate that the green cost premiums range from 5% to 10% and that project type and size are significant factors affecting the cost premiums. Furthermore, the cost performance is mostly over budget, ranging from 4.5% to 7%. Finally, this study proposes some feasible solutions for cost premiums reduction and cost performance improvement.

Inhibiting Factors of Cost Performance in UAE Construction Projects

2020 ◽  
Vol 11 (2) ◽  
Author(s):  
Ahmed Salem Ahmed Marey Alhammadi ◽  
◽  
Aftab Hameed Memon ◽  
Keyword(s):  
Construction Industry ◽  
Construction Projects ◽  
Past Research ◽  
Cost Overrun ◽  
Index Method ◽  
Cost Performance ◽  
Factors Affecting ◽  
Inhibiting Factors ◽  
Critical Problems ◽  
Structured Questionnaire

UAE construction industry frequently faces poor cost performance which commonly known as cost overrun problem. This problem is resulted from several factors and it is important to identify these cost overrun factors in order to avoid and minimize it. Hence, this paper focused on determined the relevancy of factors affecting cost performance in construction projects of UAE. Through a review of past research works conducted globally, 27 factors of cost overrun were listed and used for developing a structured questionnaire. A survey was conducted with 33 practitioners from client, consultant and contractors organizations involved in handling construction projects in UAE. The respondents were requested to state their perception regarding the relevancy of each of the factors that was perceived in context with cost overrun issue using 5-points Likert scale. The responses were analysed using average index method and the results found that all the 27 factors are relevant with construction industry of UAE in causing cost overrun. These factors can be used for further investigation to uncover critical problems of cost overrun.

Statistical Evaluation for claims and disputes in construction contracts

2017 ◽  
Vol 5 (2) ◽  
pp. 80-96
Author(s):  
Raid Saleem Abd Ali ◽  
Nooran kanaan Yassin
Keyword(s):  
Construction Projects ◽  
Statistical Evaluation ◽  
Relative Importance ◽  
Minimum Level ◽  
Construction Contracts ◽  
Long Period ◽  
Price Schedule ◽  
Questionnaire Form ◽  
The Subject ◽  
The Cost

This research aims to diagnose and identify the causes of claims and disputes between the contractor and the employer, also review the methods used to resolve disputes in construction contracts. In order to achieve the goal of the research, scientific methodology is followed to collect information and data on the subject of claims and disputes in construction projects in Iraq through personal interviews and questionnaire form. The most important results in this research are: the price schedule contract as a kind of competitive contracts is the most important and guarantee for the completion of minimum level of claims and disputes with relative importance of (84.1), compared with the (cost plus a percentage of the cost contract) as a kind of negotiating contracts is the most relative importance of (79.6), and the turnkey contract as a kind of special contracts is the most relative importance of (74.2). The  contractor and  his agents are one of the most influence sources in occurring claims and disputes in construction contracts with relative importance of (77.4) followed by the contract documents with relative importance of (74.2) and then the employer with relative importance of (73.2). In addition to the long period of litigation and the multiplicity of veto grades are most negative when contractual disputes have resolved by it, and with relative importance of (86), followed by the large number of issues and lack of efficiency and specialty of Judges with relative importance (78.4). Finally, the direct negotiation method (relative importance of 77) is one of the most friendly settlement ways favored by conflicted parties, while the resolution of disputes and claims board (relative importance of 10) occupied the last rank in the friendly settlement ways.

scholarly journals Roughing Milling with Ceramic Tools in Comparison with Sintered Carbide on Nickel-Based Alloys

Coatings ◽  
2021 ◽  
Vol 11 (6) ◽  
pp. 734
Author(s):  
Pablo Fernández-Lucio ◽  
Octavio Pereira Neto ◽  
Gaizka Gómez-Escudero ◽  
Francisco Javier Amigo Fuertes ◽  
Asier Fernández Valdivielso ◽  
...  
Keyword(s):  
Cutting Speed ◽  
High Volume ◽  
Cemented Carbide ◽  
Performance Ratio ◽  
Cost Performance ◽  
Ceramic Tools ◽  
The Cost ◽  
Engine Components ◽  
Coated Carbide ◽  
Milling Tools

Productivity in the manufacture of aircrafts components, especially engine components, must increase along with more sustainable conditions. Regarding machining, a solution is proposed to increase the cutting speed, but engines are made with very difficult-to-cut alloys. In this work, a comparison between two cutting tool materials, namely (a) cemented carbide and (b) SiAlON ceramics, for milling rough operations in Inconel® 718 in aged condition was carried out. Furthermore, both the influence of coatings in cemented carbide milling tools and the cutting speed in the ceramic tools were analysed. All tools were tested until the end of their useful life. The cost performance ratio was used to compare the productivity of the tested tools. Despite the results showing higher durability of the coated carbide tool, the ceramic tools presented a better behavior in terms of productivity at higher speed. Therefore, ceramic tools should be used for higher productivity demands, while coated carbide tools for low speed-high volume material removal.

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