Accurate project progress measurement is critical for effective project management. Besides guarantying smooth work progress, it affords project managers the chance to identify early warning signs for peremptory remed...Accurate project progress measurement is critical for effective project management. Besides guarantying smooth work progress, it affords project managers the chance to identify early warning signs for peremptory remedial actions to keep the project on schedule and to budget. However, pertinent barriers can suppress the realization of the benefits of an accurate assessment of construction progress. This study aims to identify, examine and prioritize the critical barriers militating against accurate project progress measurement in the Ghanaian construction industry. Sixteen barriers identified from the literature were administered in a questionnaire survey to professionals with tier one construction firms and consultants. Sixty experienced construction professionals practising with tier-one construction firms and consultancy services took part in the survey. The relative importance index technique was used to rank the factors and correlation in responses of the two parties tested by the Mann-Whitney <em>U</em> statistics. The most critical barriers perceived by the professionals were 1) Reliance on Supervisor’s Judgement, 2) Generic and Non-Systematic Approach, 3) Variable Quality of Data and 4) Intricate Measurement Reports. Other highly ranked barriers include 5) Lack of Timely Information, 6) Laborious Data Gathering and 7) Quality Integration Constraint. The findings underpin the need to minimize dependence on subjective opinions and mere experiences of supervisors for assessment of project progress in this age of information technology. Incorporation of a level of automation into traditional progress methods will not only reduce human errors introduced into manually collected data but facilitate visualization of progress reports. Contiguous to a clear specification of the method of progress measurement in the contract document, a system that conveniently integrates cost, time and scope of work into progress measurement must be pursued. Addressing these identified critical barriers will consolidate current construction progress management practices.展开更多
In view of the problems in measuring technological progress by DEA model, premias for DEA application is analyzed in this paper. An extended model of DEA is also raised for the cases running counter to the premisess. ...In view of the problems in measuring technological progress by DEA model, premias for DEA application is analyzed in this paper. An extended model of DEA is also raised for the cases running counter to the premisess. And precision about the results of the two models is analyzed.展开更多
At the end of September, the approach way and linkage roads of Pengze Nuclear Power Project, a project developed by China Power Investment Corporation in Jiangxi Province, were all linked up, laying a solid foundation...At the end of September, the approach way and linkage roads of Pengze Nuclear Power Project, a project developed by China Power Investment Corporation in Jiangxi Province, were all linked up, laying a solid foundation for the construction of the project.展开更多
At the present stage, in the specific construction project management, the construction management mainly focuses on materials, personnel, machinery, space and other resources, and then try to ensure the construction ...At the present stage, in the specific construction project management, the construction management mainly focuses on materials, personnel, machinery, space and other resources, and then try to ensure the construction safety, construction quality, construction progress and construction civilization. Progress management and construction quality management are very important contents of the smooth development of civil engineering projects. The above is the analysis of the construction progress management and construction quality management of civil engineering projects, hoping to further improve the management level of civil engineering projects, and accelerate the development pace of Chinas construction industry.展开更多
It hasn’t been easy, but almost all of the work on the Three Gorges Project is on schedule, according to a corporation overseeing construction of the dam. The China Yangtze Three Gorges Project Development Corporatio...It hasn’t been easy, but almost all of the work on the Three Gorges Project is on schedule, according to a corporation overseeing construction of the dam. The China Yangtze Three Gorges Project Development Corporation has reported that contractors and other staff are working hard to ensure that the flood season does not slow the dam project. The company recently detailed the mammoth tasks that have taken place so展开更多
The CAS Awards for S&T Progress and the CAS Awards for Inventions are two major awards issued by the Chinese Academy of Sciences to recognize major research results and inventions produced by CAS scientists that h...The CAS Awards for S&T Progress and the CAS Awards for Inventions are two major awards issued by the Chinese Academy of Sciences to recognize major research results and inventions produced by CAS scientists that have contributed greatly to the promotion of S&T progress, and social and economic development. In 1998, 12 research works won the CAS Awards for Inventions and 94 works won the CAS Awards for S&T Progress. The following are profiles of some of the prize-wining projects.展开更多
A research project on interaction between agroecosystems and global change has been accepted as a Category Ⅰ contribution to IGBP-GCTE (International Geosphere-Biosphere Programme-Global Change & Terrestrial Ecos...A research project on interaction between agroecosystems and global change has been accepted as a Category Ⅰ contribution to IGBP-GCTE (International Geosphere-Biosphere Programme-Global Change & Terrestrial Ecosystems) Core Research, the highest-level support GCTE has offered to an individual research project so far. This was confirmed by Prof. Noble, GCTE Chairman, in a letter to Prof. Peng Shaolin, Principal Investigator of展开更多
The CAS Awards for Natural Sciences and the CAS Awards for S&T Progress are two major awards issued by the Chinese Academy of Sciences. The former is to recognize the scientific findings and research results by wh...The CAS Awards for Natural Sciences and the CAS Awards for S&T Progress are two major awards issued by the Chinese Academy of Sciences. The former is to recognize the scientific findings and research results by which CAS scientists bring to light natural phenomena, laws and properties in their basic and applied basic research. The latter is to award major inventions or research results produced by CAS scientists that have contributed greatly to the promotion of S&T progress, and social and economic development. In 1997, 68 research projects won the CAS Awards for Natural Sciences, and 106 research works won CAS Awards for S&T Progress. The following are profiles of some of the prize-wining projects.展开更多
The construction industry in the State of Kuwait has recently witnessed a rapid growth as the volume of construction projects increased significantly over the past decade. Because of the progress and growth of the ind...The construction industry in the State of Kuwait has recently witnessed a rapid growth as the volume of construction projects increased significantly over the past decade. Because of the progress and growth of the industry and the size of the projects, the volume of disputes between the parties to the various contracts has increased accordingly. As projects become larger and more complex, their management and control become more difficult, especially in the absence of effective standard systems to for managing project progress and determining the delay, if any. Even the simple issues, as well as the large ones, if neglected and unaddressed in a timely manner, can cause huge problems that concerns to all project parties. Irrespective of addressing and managing construction delays legally, the resulting legal disputes always have other negative effects on the contracting parties. If the parties to the contract have an insight that enables them to forecast and identify the issues that may cause a conflict before it occurs, that eliminates a myriad of problems before they occur, and greatly reduces the chances of further conflict between contracting parties. This paper presents a framework for a novel progress reporting system that can help minimize contract disputes in the state of Kuwait.展开更多
The construction of the TGP has proceeded smoothly since its commencement of construction in 1994 and the construction quality is good in general. The construction proceeds in accordance with the master project schedu...The construction of the TGP has proceeded smoothly since its commencement of construction in 1994 and the construction quality is good in general. The construction proceeds in accordance with the master project schedule in preliminary design approved by the central government and the investment can be controlled within the total budget of the preliminary design. The Changjiang Water Resources Commission, taking charge of the general design jobs of the TGP, has consistently paid attention to the project quality in the first place and carried out large amount of investigation, design and scientific research work. This paper makes an overall summarization and presentation on important technical issues in the design, such as dam, powerhouse structure, permanent ship locks, ship lift, project safety monitoring, main river closure and the 2nd stage cofferdam, mechanical and electric design etc., and put forwards a lot of suggestions about optimizing design schemes and measures for smoothing away construction difficulties in accordance with construction progress.展开更多
文摘Accurate project progress measurement is critical for effective project management. Besides guarantying smooth work progress, it affords project managers the chance to identify early warning signs for peremptory remedial actions to keep the project on schedule and to budget. However, pertinent barriers can suppress the realization of the benefits of an accurate assessment of construction progress. This study aims to identify, examine and prioritize the critical barriers militating against accurate project progress measurement in the Ghanaian construction industry. Sixteen barriers identified from the literature were administered in a questionnaire survey to professionals with tier one construction firms and consultants. Sixty experienced construction professionals practising with tier-one construction firms and consultancy services took part in the survey. The relative importance index technique was used to rank the factors and correlation in responses of the two parties tested by the Mann-Whitney <em>U</em> statistics. The most critical barriers perceived by the professionals were 1) Reliance on Supervisor’s Judgement, 2) Generic and Non-Systematic Approach, 3) Variable Quality of Data and 4) Intricate Measurement Reports. Other highly ranked barriers include 5) Lack of Timely Information, 6) Laborious Data Gathering and 7) Quality Integration Constraint. The findings underpin the need to minimize dependence on subjective opinions and mere experiences of supervisors for assessment of project progress in this age of information technology. Incorporation of a level of automation into traditional progress methods will not only reduce human errors introduced into manually collected data but facilitate visualization of progress reports. Contiguous to a clear specification of the method of progress measurement in the contract document, a system that conveniently integrates cost, time and scope of work into progress measurement must be pursued. Addressing these identified critical barriers will consolidate current construction progress management practices.
文摘In view of the problems in measuring technological progress by DEA model, premias for DEA application is analyzed in this paper. An extended model of DEA is also raised for the cases running counter to the premisess. And precision about the results of the two models is analyzed.
文摘At the end of September, the approach way and linkage roads of Pengze Nuclear Power Project, a project developed by China Power Investment Corporation in Jiangxi Province, were all linked up, laying a solid foundation for the construction of the project.
文摘At the present stage, in the specific construction project management, the construction management mainly focuses on materials, personnel, machinery, space and other resources, and then try to ensure the construction safety, construction quality, construction progress and construction civilization. Progress management and construction quality management are very important contents of the smooth development of civil engineering projects. The above is the analysis of the construction progress management and construction quality management of civil engineering projects, hoping to further improve the management level of civil engineering projects, and accelerate the development pace of Chinas construction industry.
文摘It hasn’t been easy, but almost all of the work on the Three Gorges Project is on schedule, according to a corporation overseeing construction of the dam. The China Yangtze Three Gorges Project Development Corporation has reported that contractors and other staff are working hard to ensure that the flood season does not slow the dam project. The company recently detailed the mammoth tasks that have taken place so
文摘The CAS Awards for S&T Progress and the CAS Awards for Inventions are two major awards issued by the Chinese Academy of Sciences to recognize major research results and inventions produced by CAS scientists that have contributed greatly to the promotion of S&T progress, and social and economic development. In 1998, 12 research works won the CAS Awards for Inventions and 94 works won the CAS Awards for S&T Progress. The following are profiles of some of the prize-wining projects.
文摘A research project on interaction between agroecosystems and global change has been accepted as a Category Ⅰ contribution to IGBP-GCTE (International Geosphere-Biosphere Programme-Global Change & Terrestrial Ecosystems) Core Research, the highest-level support GCTE has offered to an individual research project so far. This was confirmed by Prof. Noble, GCTE Chairman, in a letter to Prof. Peng Shaolin, Principal Investigator of
文摘The CAS Awards for Natural Sciences and the CAS Awards for S&T Progress are two major awards issued by the Chinese Academy of Sciences. The former is to recognize the scientific findings and research results by which CAS scientists bring to light natural phenomena, laws and properties in their basic and applied basic research. The latter is to award major inventions or research results produced by CAS scientists that have contributed greatly to the promotion of S&T progress, and social and economic development. In 1997, 68 research projects won the CAS Awards for Natural Sciences, and 106 research works won CAS Awards for S&T Progress. The following are profiles of some of the prize-wining projects.
文摘The construction industry in the State of Kuwait has recently witnessed a rapid growth as the volume of construction projects increased significantly over the past decade. Because of the progress and growth of the industry and the size of the projects, the volume of disputes between the parties to the various contracts has increased accordingly. As projects become larger and more complex, their management and control become more difficult, especially in the absence of effective standard systems to for managing project progress and determining the delay, if any. Even the simple issues, as well as the large ones, if neglected and unaddressed in a timely manner, can cause huge problems that concerns to all project parties. Irrespective of addressing and managing construction delays legally, the resulting legal disputes always have other negative effects on the contracting parties. If the parties to the contract have an insight that enables them to forecast and identify the issues that may cause a conflict before it occurs, that eliminates a myriad of problems before they occur, and greatly reduces the chances of further conflict between contracting parties. This paper presents a framework for a novel progress reporting system that can help minimize contract disputes in the state of Kuwait.
文摘The construction of the TGP has proceeded smoothly since its commencement of construction in 1994 and the construction quality is good in general. The construction proceeds in accordance with the master project schedule in preliminary design approved by the central government and the investment can be controlled within the total budget of the preliminary design. The Changjiang Water Resources Commission, taking charge of the general design jobs of the TGP, has consistently paid attention to the project quality in the first place and carried out large amount of investigation, design and scientific research work. This paper makes an overall summarization and presentation on important technical issues in the design, such as dam, powerhouse structure, permanent ship locks, ship lift, project safety monitoring, main river closure and the 2nd stage cofferdam, mechanical and electric design etc., and put forwards a lot of suggestions about optimizing design schemes and measures for smoothing away construction difficulties in accordance with construction progress.
