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Managing Construction Cost An Investigation Into The Underlying Factors Which Contribute To The High Incidence Of Change Orders In The Construction Industry
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Book Synopsis Managing Construction Cost an Investigation Into the Underlying Factors which Contribute to the High Incidence of Change Orders in the Construction Industry by : Samuel Nathaniel Trotman
Download or read book Managing Construction Cost an Investigation Into the Underlying Factors which Contribute to the High Incidence of Change Orders in the Construction Industry written by Samuel Nathaniel Trotman and published by . This book was released on 2001 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Reducing Construction Costs by : National Research Council
Download or read book Reducing Construction Costs written by National Research Council and published by National Academies Press. This book was released on 2007-10-09 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: The National Academy of Construction (NAC) has determined that disputes, and their accompanying inefficiencies and costs, constitute a significant problem for the industry. In 2002, the NAC assessed the industry's progress in attacking this problem and determined that although the tools, techniques, and processes for preventing and efficiently resolving disputes are already in place, they are not being widely used. In 2003, the NAC helped to persuade the Center for Construction Industry Studies (CCIS) at the University of Texas and the Alfred P. Sloan Foundation to finance and conduct empirical research to develop accurate information about the relative transaction costs of various forms of dispute resolution. In 2004 the NAC teamed with the Federal Facilities Council (FFC) of the National Research Council to sponsor the "Government/Industry Forum on Reducing Construction Costs: Uses of Best Dispute Resolution Practices by Project Owners." The forum was held on September 23, 2004, at the National Academy of Sciences in Washington, D.C. Speakers and panelists at the forum addressed several topics. Reducing Construction Costs addresses topics such as the root causes of disputes and the impact of disputes on project costs and the economics of the construction industry. A second topic addressed was dispute resolution tools and techniques for preventing, managing, and resolving construction- related disputes. This report documents examples of successful uses of dispute resolution tools and techniques on some high-profile projects, and also provides ways to encourage greater use of dispute resolution tools throughout the industry. This report addresses steps that owners of construction projects (who have the greatest ability to influence how their projects are conducted) should take in order to make their projects more successful.
Book Synopsis The Impact of Change Orders on Mechanical Construction Labor Efficiency by : Paul Joseph Vandenberg
Download or read book The Impact of Change Orders on Mechanical Construction Labor Efficiency written by Paul Joseph Vandenberg and published by . This book was released on 1996 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt: Change orders impact many areas of construction projects. However, the impacts that change orders have on labor efficiency are much harder to quantify and are, therefore, a significant risk to contractors. Little research has been completed in the past quantifying these impacts so that disputes are common between owners and contractors regarding the actual cost of change. This study uses data from 43 projects, 27 impacted by changes and 16 not impacted by changes, to develop a linear regression model that predicts the impact on labor efficiency. The input factors needed for the model are: (1) Total Actual Project Hours, (2) Total Estimated Change Hours, (3) Impact Classification, and (4) Timing of Change. Timing of Change is calculated by breaking the project schedule down into six periods (i.e., changes before construction start, 0 - 20%, 20 - 40%, 40 - 60%A, 60 - 80%, and 80 - 100%), listing the percentage of change that occurred in each period, and calculating a weighted timing factor. The model calculates the labor loss or gain in efficiency for a particular project so that owners and contractors will better understand the true change impact on labor efficiency. Significant results have been found in hypothesis testing. The results show that impacted projects have larger amounts of change, have a larger decrease in labor efficiency, and are more impacted by change that occurs later in the project schedule. These results appear to be consistent with the intuitive judgement of industry professionals. The research is limited to the mechanical trade, but does include specific work in plumbing, HVAC, process piping, and fire protection.
Book Synopsis An Investigation Into the Impacts of Change Orders on Labor Efficiency in the Mechanical Construction Industry by : Timothy W. Gotzion
Download or read book An Investigation Into the Impacts of Change Orders on Labor Efficiency in the Mechanical Construction Industry written by Timothy W. Gotzion and published by . This book was released on 1998 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Integrated Cost and Schedule Control for Construction Projects by : Frederick W. Mueller
Download or read book Integrated Cost and Schedule Control for Construction Projects written by Frederick W. Mueller and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 517 pages. Available in PDF, EPUB and Kindle. Book excerpt: Management and administrative processes within the construction industry have been undergoing major changes in the last several decades. These changes have involved significant adjustments in management science and manage ment techniques, brought about by the need for contemporary valid informa tion with which to manage the construction process. In short, management in the construction industry is changing significantly; change will continue at an accelerated pace at least through the next decade. The responses required of construction industry management are now resulting in a movement away from an entrepreneurial management style to professional management tech niques and procedures. THE COMPELLING ECONOMIC ISSUES The issues forcing these changes are economic. The rising costs of construction and of money are forcing the buyers of construction services to be more demanding. Their demands are for more construction economies, more pro duction, and more productivity than at any time in the past. Nowhere has this been more evident than in the Business Roundtable on construction and in the response of the construction industry to it.· To be successfully responsive, management in the construction industry will be required to use the best project management methods available for cost control, schedule control, and for financial and accounting controls. But responsive professional management can survive and will flourish within this more demanding eco nomic environment.
Book Synopsis Root Cause Analysis of Cost Overrun in Construction Projects Under Different Market Sectors by : Rami Sarakbi
Download or read book Root Cause Analysis of Cost Overrun in Construction Projects Under Different Market Sectors written by Rami Sarakbi and published by . This book was released on 2019 with total page 39 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: A project is pronounced successful if it is finished on time within the budgeted value. Cost overruns and time overrun (delays) have been a critical problem of many projects that led to poor project execution. The construction industry has a poor reputation in terms of finishing the project within budget and on time. Although contractors and designers are one of the key players in construction projects, various other factors affect the project cost overrun depending on the main cause of change. This thesis takes the previous studies one step forward by identifying the root causes of cost overrun using real data extracted from one of the largest general contractors in California and analyzing the data to find the main causes of change orders in the top three market sectors, and the key responsible parties for each change. The analysis showed that the contract value is irrelevant to the amount of change orders. In addition, it proved that depending on the market sector, the underlying root causes for the cost overrun may vary accordingly. Furthermore, it provides legitimate data to help quantify the change impacts on project performance.
Book Synopsis Final Degree List by : Cornell University. Graduate School
Download or read book Final Degree List written by Cornell University. Graduate School and published by . This book was released on 2001 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Building Performance Analysis by : Pieter de Wilde
Download or read book Building Performance Analysis written by Pieter de Wilde and published by John Wiley & Sons. This book was released on 2018-05-31 with total page 784 pages. Available in PDF, EPUB and Kindle. Book excerpt: Explores and brings together the existent body of knowledge on building performance analysis Shortlisted in the CIBSE 2020 Building Performance Awards Building performance is an important yet surprisingly complex concept. This book presents a comprehensive and systematic overview of the subject. It provides a working definition of building performance, and an in-depth discussion of the role building performance plays throughout the building life cycle. The book also explores the perspectives of various stakeholders, the functions of buildings, performance requirements, performance quantification (both predicted and measured), criteria for success, and the challenges of using performance analysis in practice. Building Performance Analysis starts by introducing the subject of building performance: its key terms, definitions, history, and challenges. It then develops a theoretical foundation for the subject, explores the complexity of performance assessment, and the way that performance analysis impacts on actual buildings. In doing so, it attempts to answer the following questions: What is building performance? How can building performance be measured and analyzed? How does the analysis of building performance guide the improvement of buildings? And what can the building domain learn from the way performance is handled in other disciplines? Assembles the current body of knowledge on building performance analysis in one unique resource Offers deep insights into the complexity of using building performance analysis throughout the entire building life cycle, including design, operation and management Contributes an emergent theory of building performance and its analysis Building Performance Analysis will appeal to the building science community, both from industry and academia. It specifically targets advanced students in architectural engineering, building services design, building performance simulation and similar fields who hold an interest in ensuring that buildings meet the needs of their stakeholders.
Author :University of Texas at Austin. Construction Industry Institute. Cost/Schedule Controls Task Force Publisher : ISBN 13 : Total Pages :32 pages Book Rating :4.:/5 (89 download)
Book Synopsis The Impact of Changes on Construction Cost and Schedule by : University of Texas at Austin. Construction Industry Institute. Cost/Schedule Controls Task Force
Download or read book The Impact of Changes on Construction Cost and Schedule written by University of Texas at Austin. Construction Industry Institute. Cost/Schedule Controls Task Force and published by . This book was released on 1990 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proceedings of AWAM International Conference on Civil Engineering 2022—Volume 1 by : Nuridah Sabtu
Download or read book Proceedings of AWAM International Conference on Civil Engineering 2022—Volume 1 written by Nuridah Sabtu and published by Springer Nature. This book was released on 2023-11-29 with total page 535 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gathers the latest research, innovations, and applications in the field of civil engineering, as presented by leading national and international academics, researchers, engineers, and postgraduate students at the AWAM International Conference on Civil Engineering 2022 (AICCE’22), held in Penang, Malaysia on February 15-17, 2022. The book covers highly diverse topics in the main fields of civil engineering, including structural and earthquake engineering, environmental engineering, geotechnical engineering, highway and transportation engineering, water resources engineering, and geomatic and construction management. In line with the conference theme, “Sustainability And Resiliency: Re-Engineering the Future”, which relates to the United Nations’ 17 Global Goals for Sustainable Development, it highlights important elements in the planning and development stages to establish design standards beneficial to the environment and its surroundings. The contributions introduce numerous exciting ideas that spur novel research directions and foster multidisciplinary collaborations between various specialists in the field of civil engineering. This book is part of a 3-volume series of these conference proceedings, it represents Volume 1 in the series.
Book Synopsis Energy Abstracts for Policy Analysis by :
Download or read book Energy Abstracts for Policy Analysis written by and published by . This book was released on 1989 with total page 538 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Construction Cost Management: Cost Engineering, Cost Controls & Controlled Bidding by : Adek Apfelbaum
Download or read book Construction Cost Management: Cost Engineering, Cost Controls & Controlled Bidding written by Adek Apfelbaum and published by AuthorHouse. This book was released on 2010-10-11 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt: BUDGETING DESIGN TO COST EVALUATION COST REDUCTION PRE-CONSTRUCTION ACTIVITIES BIDDING / NEGOTIATING GMP CONTRACTS CHANGE ORDER MANAGEMENT IN-HOUSE PROJECT MANAGEMENT CONTROLLED BIDDING POLICY SAMPLE FORMS
Book Synopsis Activity Based Costing for Construction Companies by : Yong-Woo Kim
Download or read book Activity Based Costing for Construction Companies written by Yong-Woo Kim and published by John Wiley & Sons. This book was released on 2017-01-18 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt: Activity Based Cotsting for Construction Companies provides guidelines on how overhead costs can be managed for using Activity Based Costing (ABC), providing gains in contractor competiveness. Illustrated with a range of case studies and examples it also presents a map that shows construction contractors how to implement ABC to calculate overhead costs accurately, identifying non or low-value added operations which can then be improved.
Book Synopsis Professional Construction Management by : Donald S. Barrie
Download or read book Professional Construction Management written by Donald S. Barrie and published by McGraw-Hill Science, Engineering & Mathematics. This book was released on 1992 with total page 616 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text is intended for introductory courses on construction management, as well as more advanced, detailed courses on the subject. The authors aim to balance theoretical material with practical advice.
Book Synopsis Project Management for Construction by : Chris Hendrickson
Download or read book Project Management for Construction written by Chris Hendrickson and published by Chris Hendrickson. This book was released on 1989 with total page 425 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Quantifying the Impact of Change Orders on Construction Labor Productivity Using System Dynamics by : Sasan Golnaraghi
Download or read book Quantifying the Impact of Change Orders on Construction Labor Productivity Using System Dynamics written by Sasan Golnaraghi and published by . This book was released on 2021 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Researchers and industry practitioners agree that changes are unavoidable in construction projects and may become troublesome if poorly managed. One of the root causes of sub-optimal productivity in construction projects is the number and impact of changes introduced to the initial scope of work during the course of project execution. In labor-intensive construction projects, labor costs represent a substantial percentage of the total project budget. Understanding labor productivity is essential to project success. If productivity is impacted by any reasons such as extensive changes or poor managerial policies, labor costs will increase over and above planned cost. The true challenge of change management is having a comprehensive understanding of change impacts and how these impacts can be reduced or prevented before they cascade forming serious problems. This thesis proposes a change management framework that project teams can use to quantify labor productivity losses due to change orders and managerial policies across all phases of construction projects. The proposed framework has three models; fuzzy risk-based change management, AI baseline-productivity estimating, and system dynamics to illustrate cause-impact relationships. These models were developed in five stages. In the first stage, the fuzzy risk-based change management (FRCM) model was developed to prioritize change orders in a way that only essential change orders can be targeted. In this stage, Fuzzy Analytic Hierarchy Process (F-AHP) and Hierarchical Fuzzy Inference System are utilized to calculate relative weights of the factors considered and generate a score for each contemplated change. In the second stage, baseline productivity model was developed considering a set of environmental and operational variables. In this step, various techniques were used including Stepwise, Best Subset, Evolutionary Polynomial Regression (EPR), General Regression Neural Network (GRNN), Artificial Neural Network (ANN), Radial Basis Function Neural Network (RBFNN), and Adaptive Neuro Fuzzy Inference System (ANFIS) in order to compare results and choose the best method for producing that estimate. The selected method was then used in the development of a novel AI model for estimating labor productivity. The developed AI model is based on Radial Basis Function Neural Network (RBFNN) after enhancing it by raw dataset preprocessing and Particle Swarm Optimization (PSO) to extract significant dataset features for better generalization. The model, named PSO-RBFNN, was selected over other techniques based on its statistical performance and was used to estimate the baseline productivity values used as the initial value in the developed system dynamics (SD) model. In the fourth stage, a novel SD model was developed to examine the impact of change orders and different managerial decisions in response to imposed change orders on the expected productivity during the lifecycle of a project. In other words, the SD model is used to quantify the impact of change orders and related managerial decisions on excepted productivity. The SD model boundary was defined by clustering key variables into three categories: exogenous, endogenous, and excluded. The relationships among these key variables were extracted from the literature and experts in this domain. A holistic causal loop diagram was then developed to illustrate the interaction among various variables. In the final stage, the developed computational framework and its models were verified and validated through a real case study and the results show that the developed SD model addresses various consequences derived from a change in combination with the major environmental and operational variables of the project. It allows for the identification and quantification of the cumulative impact of change orders on labor productivity in a timely manner to facilitate the decision-making process. The developed framework can be used during the development and execution phases of a project. The findings are expected to enhance the assessment of change orders, facilitate the quantification of productivity losses in construction projects, and help to perform critical analysis of the impact of various scope change internal and external variables on project time and cost.
Book Synopsis Research Handbook on Project Performance by : Vittal S. Anantatmula
Download or read book Research Handbook on Project Performance written by Vittal S. Anantatmula and published by Edward Elgar Publishing. This book was released on 2023-03-02 with total page 315 pages. Available in PDF, EPUB and Kindle. Book excerpt: This engaging Research Handbook presents a fresh look at how to improve project performance for the project sponsor, client and end user using a number of empirical research studies. Focusing on project performance concepts and methods, the Handbook provides a fresh look at successful project completions, achieving project objectives, on-time or ahead of time project completion or delivering within budget.
