Abstract
Risk management is an important step which should not be neglect or ignore in every project. Because of various risk involved in construction, it is difficult to maintain time, cost and quality as planned. Project undertaken in the construction sector are widely complex and have often significant budgets, and thus reducing the risk associated should be a priority for each project manager. The main purpose of this paper is to identify the key risk factors that affect construction project. Questionnaires has been prepared incorporating of 50 difference questions after which questionnaire survey was conducted where the questions has been focused based on (component of questionnaire) the respondents were selected based on their susceptibility to the risk. The data was analyzed using the Statistical package for social sciences (SPSS) version 21. The result shows that the inadequate planning in construction project, poor adoption of site safety, supply and use of defective materials and poor resources management in construction project are all among the forefront key risk factors which affect construction project, meanwhile, effective recommendations have been developed to increases the efficiency, speedy and minimises risk and abortive work in construction project.
Keywords: Construction Industries, Construction Projects, Risks Management, Techniques
RISK MANAGEMENT IN CONSTRUCTION PROJECTS AS PER INDIAN SCENARIOIAEME Publication
Construction industry is highly risk prone, with complex and dynamic project
environments creating an atmosphere of high uncertainty and risk. The industry is
vulnerable to various technical, sociopolitical and business risks. The track record
to cope with these risks has not been very good in construction industry. As a
result, the people working in the industry bear various failures, such as, failure of
abiding by quality and operational requirements, cost overruns and uncertain delays
in project completion. In light of this, it can be said that an effective systems of risk
assessment and management for construction industry remains a challenging task
for the industry practitioners. The aim of the this research is to identify and evaluate
current risks and uncertainties in the construction industry through extensive
literature survey and aims to make a basis for future studies for development of a
risk management framework to be adopted by prospective investors, developers and
contractors
Risk Management in High Rise Construction Projects: A ReviewA Makwana
This paper gives information about identification of risk factors and perceptions of Indian construction practitioners i.e., contractors, owners, project managers and Engineers on the importance of different construction risks and how the risks should be assigned between the different parties of the contract. As the very common project styles, construction projects have so many characteristics likewise time limitation, specific items, financial restrictions and requirements, extraordinary structural and legal situations, complexity features. For this situation every construction project has own complex method. Risks constantly happen at construction projects and frequently cause time overrun or cost overrun. If you don’t contemplate these risk factors, or neglect the main factors, these risk factors will affect the damage because of the managerial errors. Risk management is the process which covers to identify the risks, for assessment with the help of qualitatively and quantitatively, to response with appropriate technique for management and controlling. The concept has gain popularity in various industries. Various companies frequently found the method in their projects for upgrading their performance, reducing their losses and increasing their profits. Questionnaire survey among clients, contractors, engineers and architects is analyzed using, Relative Importance Index (RII) and Importance Index (IMP.I) methods. The focus of this study is to understand what Risk Management is, understand the process of risk management at construction project and have depth knowledge on the use of risk management in high-rise construction projects.
A Study on Risk Assessment in Construction ProjectsIJMER
Risks are very common in construction sector. Risk management includes identifying risks,
assessing risks either quantitatively or qualitatively, choosing the appropriate method for handling the
risks, and then monitoring and documenting risks. By identifying risks in an early stage of planning and
assessing their relative importance, project managers can identify methods used to reduce risks and
allocate the best people to mitigate them. Thus, this research focuses on risk identification, as opposed
to other processes of risk management. "Brain-storming sessions" is the most popular method used
frequently to identify the risks in projects as deduced from a questionnaire survey from participants in
large construction projects. Time and cost management need to be fully integrated with the
identification process. Time constraints and project managers with sufficient experience are critical
when identifying the level of risk for large and/or complex projects. The most considerable types of risk
in construction projects are financial risks, construction risks, and demand or product risks
RISK MANAGEMENT IN HIGH RISE CONSTRUCTION PROJECTS IN SURAT CITYA Makwana
This paper gives information about identification of risk factors and perceptions of Indian construction practitioners i.e., contractors, owners, project managers and Engineers on the importance of different construction risks and how the risks should be assigned between the different parties of the contract. As the very common project styles, construction projects have so many characteristics likewise time limitation, specific items, financial restrictions and requirements, extraordinary structural and legal situations, complexity features. For this situation every construction project has own complex method. Risks constantly happen at construction projects and frequently cause time overrun or cost overrun. If you don’t contemplate these risk factors, or neglect the main factors, these risk factors will affect the damage because of the managerial errors. Risk management is the process which covers to identify the risks, for assessment with the help of qualitatively and quantitatively, to response with appropriate technique for management and controlling. The concept has gain popularity in various industries. Various companies frequently found the method in their projects for upgrading their performance, reducing their losses and increasing their profits. Questionnaire survey among clients, contractors, engineers and architects is analysed using, Relative Importance Index (RII)) method. The focus of this study is to understand what Risk Management is, understand the process of risk management at construction project and have depth knowledge on the use of risk management in high-rise construction projects.
RISK LEVEL ASSESSMENT ON ROAD CONSTRUCTION’S CONTRACTORS USING CULTURAL – PRO...IAEME Publication
This study aimed to analyze the characteristics of potential risk and the risk levels to the contractors in a road construction project and its impact on service providers (contractors), and to make a risk assessment model with multi-criteria to the contractors in road construction projects. Objective contractors road construction is not optimal due to non-performance risk management in the project with the right. This study is done in the form of a survey by capturing the opinions or perceptions, experiences and attitudes of respondents implementing on road construction. Parameters indicating the risk of road construction projects were model and tested using the methodology of Expert Choice to describe, quantify and demonstrate the risk level, allocation, and response in road construction projects with different risk variables. Results of the study firstly identified 281 risks for the road construction including 57 non-technical, 39 technical, 36 financial, 76 cultural, 38 work health and safety management aspect and 35 environmental aspects.
EFFECTS OF RISK MANAGEMENT METHODS ON PROJECT PERFORMANCE IN RWANDAN CONSTRUC...Sibo Kanyambari Aimable
Risks are very common in construction sector. Risk is the Possibility of suffering loss and the impact on the involved parties. According to APM (2006), all projects are inherently risky because they are unique, constrained, complex, based on assumptions, and performed by people. As a result, project risk management methods must be built into the management of projects and should be used throughout the project lifecycle.
Many construction projects fail because organizations assume that all the projects would succeed and they therefore do not identify, analyze, and provide mitigation or contingencies for the risk elements involved in the project.
Society desires that all projects should be performing and has become less tolerant of failure (Edwards and Bowen, 2005). Pressure is exerted on project managers to minimize the chance of project failure. This increasing pressure for performance which suggests that it is prudent for anyone involved in a project to be concerned about the associated risks and how they can be effectively managed.
Traditionally, performance of a project is analyzed on the criteria of quality, budget and time of completion. Two more criteria to determine the performance of a project were added by Kerzner (2001). Firstly, the project would effectively and efficiently manage risks and, secondly, it should be accepted by the customer.
It is known that the cause of the projects failure can be directly related to the extent of risk management methods undertaken. Besides, the level of risk management methods undertaken during project lifecycle impacts directly on the performance or otherwise of the project. Furthermore, using risk management methods effectively to manage risk should be continuously undertaken throughout the project lifecycle to enhance project performance. Risk management methods are thus an important tool to cope with such substantial risks in projects performance.
The main objective of the enquiry work that underpins this research is to investigate the effect of risk management methods on project performance. In this paper, a case study of RSSB multi-storey already executed project is considered.
RISK MANAGEMENT IN CONSTRUCTION PROJECTS AS PER INDIAN SCENARIOIAEME Publication
Construction industry is highly risk prone, with complex and dynamic project
environments creating an atmosphere of high uncertainty and risk. The industry is
vulnerable to various technical, sociopolitical and business risks. The track record
to cope with these risks has not been very good in construction industry. As a
result, the people working in the industry bear various failures, such as, failure of
abiding by quality and operational requirements, cost overruns and uncertain delays
in project completion. In light of this, it can be said that an effective systems of risk
assessment and management for construction industry remains a challenging task
for the industry practitioners. The aim of the this research is to identify and evaluate
current risks and uncertainties in the construction industry through extensive
literature survey and aims to make a basis for future studies for development of a
risk management framework to be adopted by prospective investors, developers and
contractors
Risk Management in High Rise Construction Projects: A ReviewA Makwana
This paper gives information about identification of risk factors and perceptions of Indian construction practitioners i.e., contractors, owners, project managers and Engineers on the importance of different construction risks and how the risks should be assigned between the different parties of the contract. As the very common project styles, construction projects have so many characteristics likewise time limitation, specific items, financial restrictions and requirements, extraordinary structural and legal situations, complexity features. For this situation every construction project has own complex method. Risks constantly happen at construction projects and frequently cause time overrun or cost overrun. If you don’t contemplate these risk factors, or neglect the main factors, these risk factors will affect the damage because of the managerial errors. Risk management is the process which covers to identify the risks, for assessment with the help of qualitatively and quantitatively, to response with appropriate technique for management and controlling. The concept has gain popularity in various industries. Various companies frequently found the method in their projects for upgrading their performance, reducing their losses and increasing their profits. Questionnaire survey among clients, contractors, engineers and architects is analyzed using, Relative Importance Index (RII) and Importance Index (IMP.I) methods. The focus of this study is to understand what Risk Management is, understand the process of risk management at construction project and have depth knowledge on the use of risk management in high-rise construction projects.
A Study on Risk Assessment in Construction ProjectsIJMER
Risks are very common in construction sector. Risk management includes identifying risks,
assessing risks either quantitatively or qualitatively, choosing the appropriate method for handling the
risks, and then monitoring and documenting risks. By identifying risks in an early stage of planning and
assessing their relative importance, project managers can identify methods used to reduce risks and
allocate the best people to mitigate them. Thus, this research focuses on risk identification, as opposed
to other processes of risk management. "Brain-storming sessions" is the most popular method used
frequently to identify the risks in projects as deduced from a questionnaire survey from participants in
large construction projects. Time and cost management need to be fully integrated with the
identification process. Time constraints and project managers with sufficient experience are critical
when identifying the level of risk for large and/or complex projects. The most considerable types of risk
in construction projects are financial risks, construction risks, and demand or product risks
RISK MANAGEMENT IN HIGH RISE CONSTRUCTION PROJECTS IN SURAT CITYA Makwana
This paper gives information about identification of risk factors and perceptions of Indian construction practitioners i.e., contractors, owners, project managers and Engineers on the importance of different construction risks and how the risks should be assigned between the different parties of the contract. As the very common project styles, construction projects have so many characteristics likewise time limitation, specific items, financial restrictions and requirements, extraordinary structural and legal situations, complexity features. For this situation every construction project has own complex method. Risks constantly happen at construction projects and frequently cause time overrun or cost overrun. If you don’t contemplate these risk factors, or neglect the main factors, these risk factors will affect the damage because of the managerial errors. Risk management is the process which covers to identify the risks, for assessment with the help of qualitatively and quantitatively, to response with appropriate technique for management and controlling. The concept has gain popularity in various industries. Various companies frequently found the method in their projects for upgrading their performance, reducing their losses and increasing their profits. Questionnaire survey among clients, contractors, engineers and architects is analysed using, Relative Importance Index (RII)) method. The focus of this study is to understand what Risk Management is, understand the process of risk management at construction project and have depth knowledge on the use of risk management in high-rise construction projects.
RISK LEVEL ASSESSMENT ON ROAD CONSTRUCTION’S CONTRACTORS USING CULTURAL – PRO...IAEME Publication
This study aimed to analyze the characteristics of potential risk and the risk levels to the contractors in a road construction project and its impact on service providers (contractors), and to make a risk assessment model with multi-criteria to the contractors in road construction projects. Objective contractors road construction is not optimal due to non-performance risk management in the project with the right. This study is done in the form of a survey by capturing the opinions or perceptions, experiences and attitudes of respondents implementing on road construction. Parameters indicating the risk of road construction projects were model and tested using the methodology of Expert Choice to describe, quantify and demonstrate the risk level, allocation, and response in road construction projects with different risk variables. Results of the study firstly identified 281 risks for the road construction including 57 non-technical, 39 technical, 36 financial, 76 cultural, 38 work health and safety management aspect and 35 environmental aspects.
EFFECTS OF RISK MANAGEMENT METHODS ON PROJECT PERFORMANCE IN RWANDAN CONSTRUC...Sibo Kanyambari Aimable
Risks are very common in construction sector. Risk is the Possibility of suffering loss and the impact on the involved parties. According to APM (2006), all projects are inherently risky because they are unique, constrained, complex, based on assumptions, and performed by people. As a result, project risk management methods must be built into the management of projects and should be used throughout the project lifecycle.
Many construction projects fail because organizations assume that all the projects would succeed and they therefore do not identify, analyze, and provide mitigation or contingencies for the risk elements involved in the project.
Society desires that all projects should be performing and has become less tolerant of failure (Edwards and Bowen, 2005). Pressure is exerted on project managers to minimize the chance of project failure. This increasing pressure for performance which suggests that it is prudent for anyone involved in a project to be concerned about the associated risks and how they can be effectively managed.
Traditionally, performance of a project is analyzed on the criteria of quality, budget and time of completion. Two more criteria to determine the performance of a project were added by Kerzner (2001). Firstly, the project would effectively and efficiently manage risks and, secondly, it should be accepted by the customer.
It is known that the cause of the projects failure can be directly related to the extent of risk management methods undertaken. Besides, the level of risk management methods undertaken during project lifecycle impacts directly on the performance or otherwise of the project. Furthermore, using risk management methods effectively to manage risk should be continuously undertaken throughout the project lifecycle to enhance project performance. Risk management methods are thus an important tool to cope with such substantial risks in projects performance.
The main objective of the enquiry work that underpins this research is to investigate the effect of risk management methods on project performance. In this paper, a case study of RSSB multi-storey already executed project is considered.
EFFECTIVE RISK MANAGEMENT IN CONSTRUCTION PROJECTSvivatechijri
Risk management can be directly related to the successful project completion as it is very much
essential. Project management literature describes a detailed and widely accepted risk management process,
which is constructed basically from four iterative phases: risk identification, risk estimation, risk response
planning and execution, often managing the risk management process is included. Construction project planning is
an essential element in the management and execution of construction projects which involves the definition of
work tasks and their interactions as well as the assessment of required resource sand expected activity durations.
The study, therefore, examined the awareness of professionals in construction industry of the various types of
planning techniques and tools used on construction sites, Questionnaires were administered on selected building
professionals (Project Managers, Engineers, Architects), and Contractors and Sub-contractors directly involved
in construction work on sites in planning and the use of planning tools and techniques as major tools for successful
project execution
Recently, Construction IQ conducted an online survey on construction project risk management. Some valuable statistics emerged from the results. Have a look at what your colleagues and peers in the industry had to say…
ANALYSIS OF RISK CATEGORIES AND FACTORS FOR PPP PROJECTS USING ANALYTIC HIERA...A Makwana
Success of Public Private Partnership projects is greatly influenced by proper management of the risks associated with the project. All projects which are undertaken using conventional procurement method or using a PPP approach have known risks and unknown risks. Risk identification plays an important role in development of PPP framework. The participation and investment of Private sector has been the main stay of the Government of India policy toward infrastructural growth. In this study main risk categories and factors of Public Private Partnership projects have been recognized. A total of 7 risk categories and 31 risk sub-factors for each category were identified for PPP projects safety listed under subheads. The questionnaire was prepared on the basis of literature review and was filled by 100 Stakeholders namely Consultant/Client, Project Manager/ Contractor, Engineer. Generally Analytic Hierarchy Process (AHP) is widely used as multi criteria decision making. Normally it is very hard to meet the consistence need of a comparison matrix in analytic hierarchy process. In this study AHP is used to categories the risks of PPP projects in different levels and the impact of those risks on the PPP projects are identified.
EFFECTIVE RISK MANAGEMENT IN CONSTRUCTION PROJECTSvivatechijri
Risk management is a step to make construction projects more efficient and practical such that
uncertainties should be identified before occurring and changing into crisis and a balance should be made
between threats and opportunities. Accordingly, construction industry is one of the most important and job
creating industries in all countries. Compared to other economic-industrial sectors, construction management is
highly influenced by the perception and employment of risk management concept. Additionally, there are
abundant risks in such activities since Construction projects activities are very complex and various. Hence, it
seems necessary to evaluate the proper use of risk management in various stages of Construction projects life
cycle. In this regard, the present study attempts to describe Construction projects life cycle step by step and
analyse the way of using risk management from designing stage to reviewing and supporting stage. The risk
management framework for construction projects can be improved by combining qualitative and quantitative
methodologies to risk analysis. The research work includes visiting and inspecting various construction sites,
analysing the field, collection of data, interpretation of data; using matrix method of risk calculation calculating
risk and providing effective measures to overcome it.
Risks have a significant impact on a construction
project’s performance in terms of cost, time and quality. As
the size and complexity of the projects have increased, an
ability to manage risks throughout the construction process
has become a central element preventing unwanted
consequences. How risks are shared between the project
actors is to a large extent governed by the procurement
option and the content of the related contract documents.
Therefore, selecting an appropriate project procurement
option is a key issue for project actors.
The overall aim of this research is to increase the
understanding of risk management in the different
procurement options: design-bid-build contracts, designbuild contracts and collaborative form of partnering. Deeper
understanding is expected to contribute to a more effective
risk management and, therefore, a better project output and
better value for both clients and contractors. The study
involves nine construction projects recently performed in
Sweden and comprises a questionnaire survey and a series of
interviews with clients, contractors and consultants involved
in these construction projects.
The findings of this work show a lack of an iterative
approach to risk management, which is a weakness in current
procurement practices. This aspect must be addressed if the
risk management process is to serve projects and, thus, their
clients. The absence of systematic risk management is
especially noted in the programme phase, where it arguably
has the greatest potential impact. The production phase is
where most interest and activity are to be found. As a matter
of practice, the communication of risks between the actors
simply does not work to the extent that it must if projects are
to be delivered with certainty, irrespective of the form of
procurement.
A clear connection between the procurement option
and risk management in construction projects has been
found. Traditional design-bid-build contracts do not create
opportunities for open discussion of project risks and joint
risk management. A number of drivers of and obstacles to
effective risk management have been explored in the study.
Every actor’s involvement in dialogue, effective
communication and information exchange, open attitudes
and trustful relationship are the factors that support open
discussion of project risks and, therefore, contribute to
successful risk management.
Based on the findings, a number of recommendations
facilitating more effective risk management have been
developed for the industry practitioners.
A REVIEW ON FACTORS INFLUENCING CONSTRUCTION PROJECT SCHEDULINGIAEME Publication
Construction scheduling is a complex and challenging task demanding an in depth
expertise. Consideration of several factors, their influences and likely impact on the
schedule need a thorough understanding. It is mostly experience based knowledge in
the form of heuristics, available with the experienced schedulers. In this connection
this study mainly discusses the factors influencing construction scheduling and
techniques through a comparative study of various international construction
projects. About 40 relevant articles published over the last 25 years have been
reviewed. However, each and every limited formalized knowledge is available in
theoretical form, which is interesting to many researchers for many decades, a
comprehensive research is made and a comparative study on the literatures was
carried out and presented in this paper. The main aim of the paper is to highlight the
major factors which are to be mainly considered for the successful completion of the
project.
Exploring the risk factors associated with peb projects in lahore.Rizwan Khurram
The construction industry is more exposed to risk than other industry. If the risk is not handled properly it may causes the poor performance on the industry. The Scale of building projects is large in nature and having large amount of investment. Wastage of any resource influence is high loss in project. All the losses are associated with risk factors. In Pakistan, only few researches have been done so far in this area. Thus this study needs focus of risk management in field of construction projects. We conclude from study that financial issue, skillful workers, shortage and inaccurate design are significant risk factors affecting the projects. Contractors are responsible for risk linked with machinery, material and quality related issues. While clients are responsible for the risk associated with scope of work. Study concludes that good coordination and communication between stakeholders and proper drawings works are key factors to control the project.
EFFECTIVE RISK MANAGEMENT IN CONSTRUCTION PROJECTSvivatechijri
Risk management can be directly related to the successful project completion as it is very much
essential. Project management literature describes a detailed and widely accepted risk management process,
which is constructed basically from four iterative phases: risk identification, risk estimation, risk response
planning and execution, often managing the risk management process is included. Construction project planning is
an essential element in the management and execution of construction projects which involves the definition of
work tasks and their interactions as well as the assessment of required resource sand expected activity durations.
The study, therefore, examined the awareness of professionals in construction industry of the various types of
planning techniques and tools used on construction sites, Questionnaires were administered on selected building
professionals (Project Managers, Engineers, Architects), and Contractors and Sub-contractors directly involved
in construction work on sites in planning and the use of planning tools and techniques as major tools for successful
project execution
Recently, Construction IQ conducted an online survey on construction project risk management. Some valuable statistics emerged from the results. Have a look at what your colleagues and peers in the industry had to say…
ANALYSIS OF RISK CATEGORIES AND FACTORS FOR PPP PROJECTS USING ANALYTIC HIERA...A Makwana
Success of Public Private Partnership projects is greatly influenced by proper management of the risks associated with the project. All projects which are undertaken using conventional procurement method or using a PPP approach have known risks and unknown risks. Risk identification plays an important role in development of PPP framework. The participation and investment of Private sector has been the main stay of the Government of India policy toward infrastructural growth. In this study main risk categories and factors of Public Private Partnership projects have been recognized. A total of 7 risk categories and 31 risk sub-factors for each category were identified for PPP projects safety listed under subheads. The questionnaire was prepared on the basis of literature review and was filled by 100 Stakeholders namely Consultant/Client, Project Manager/ Contractor, Engineer. Generally Analytic Hierarchy Process (AHP) is widely used as multi criteria decision making. Normally it is very hard to meet the consistence need of a comparison matrix in analytic hierarchy process. In this study AHP is used to categories the risks of PPP projects in different levels and the impact of those risks on the PPP projects are identified.
EFFECTIVE RISK MANAGEMENT IN CONSTRUCTION PROJECTSvivatechijri
Risk management is a step to make construction projects more efficient and practical such that
uncertainties should be identified before occurring and changing into crisis and a balance should be made
between threats and opportunities. Accordingly, construction industry is one of the most important and job
creating industries in all countries. Compared to other economic-industrial sectors, construction management is
highly influenced by the perception and employment of risk management concept. Additionally, there are
abundant risks in such activities since Construction projects activities are very complex and various. Hence, it
seems necessary to evaluate the proper use of risk management in various stages of Construction projects life
cycle. In this regard, the present study attempts to describe Construction projects life cycle step by step and
analyse the way of using risk management from designing stage to reviewing and supporting stage. The risk
management framework for construction projects can be improved by combining qualitative and quantitative
methodologies to risk analysis. The research work includes visiting and inspecting various construction sites,
analysing the field, collection of data, interpretation of data; using matrix method of risk calculation calculating
risk and providing effective measures to overcome it.
Risks have a significant impact on a construction
project’s performance in terms of cost, time and quality. As
the size and complexity of the projects have increased, an
ability to manage risks throughout the construction process
has become a central element preventing unwanted
consequences. How risks are shared between the project
actors is to a large extent governed by the procurement
option and the content of the related contract documents.
Therefore, selecting an appropriate project procurement
option is a key issue for project actors.
The overall aim of this research is to increase the
understanding of risk management in the different
procurement options: design-bid-build contracts, designbuild contracts and collaborative form of partnering. Deeper
understanding is expected to contribute to a more effective
risk management and, therefore, a better project output and
better value for both clients and contractors. The study
involves nine construction projects recently performed in
Sweden and comprises a questionnaire survey and a series of
interviews with clients, contractors and consultants involved
in these construction projects.
The findings of this work show a lack of an iterative
approach to risk management, which is a weakness in current
procurement practices. This aspect must be addressed if the
risk management process is to serve projects and, thus, their
clients. The absence of systematic risk management is
especially noted in the programme phase, where it arguably
has the greatest potential impact. The production phase is
where most interest and activity are to be found. As a matter
of practice, the communication of risks between the actors
simply does not work to the extent that it must if projects are
to be delivered with certainty, irrespective of the form of
procurement.
A clear connection between the procurement option
and risk management in construction projects has been
found. Traditional design-bid-build contracts do not create
opportunities for open discussion of project risks and joint
risk management. A number of drivers of and obstacles to
effective risk management have been explored in the study.
Every actor’s involvement in dialogue, effective
communication and information exchange, open attitudes
and trustful relationship are the factors that support open
discussion of project risks and, therefore, contribute to
successful risk management.
Based on the findings, a number of recommendations
facilitating more effective risk management have been
developed for the industry practitioners.
A REVIEW ON FACTORS INFLUENCING CONSTRUCTION PROJECT SCHEDULINGIAEME Publication
Construction scheduling is a complex and challenging task demanding an in depth
expertise. Consideration of several factors, their influences and likely impact on the
schedule need a thorough understanding. It is mostly experience based knowledge in
the form of heuristics, available with the experienced schedulers. In this connection
this study mainly discusses the factors influencing construction scheduling and
techniques through a comparative study of various international construction
projects. About 40 relevant articles published over the last 25 years have been
reviewed. However, each and every limited formalized knowledge is available in
theoretical form, which is interesting to many researchers for many decades, a
comprehensive research is made and a comparative study on the literatures was
carried out and presented in this paper. The main aim of the paper is to highlight the
major factors which are to be mainly considered for the successful completion of the
project.
Exploring the risk factors associated with peb projects in lahore.Rizwan Khurram
The construction industry is more exposed to risk than other industry. If the risk is not handled properly it may causes the poor performance on the industry. The Scale of building projects is large in nature and having large amount of investment. Wastage of any resource influence is high loss in project. All the losses are associated with risk factors. In Pakistan, only few researches have been done so far in this area. Thus this study needs focus of risk management in field of construction projects. We conclude from study that financial issue, skillful workers, shortage and inaccurate design are significant risk factors affecting the projects. Contractors are responsible for risk linked with machinery, material and quality related issues. While clients are responsible for the risk associated with scope of work. Study concludes that good coordination and communication between stakeholders and proper drawings works are key factors to control the project.
FACTORS AFFECTING DELAYS ON PRIVATE CONSTRUCTION PROJECTSIAEME Publication
Construction Delays is a major of concern in the private projects construction industry in Jordan. With the fact that construction delays are nothing but loss of time and money such study was conducted to identify the factors that causes the construction delays. Therefore three groups consist of consultants, contractors and owners were questioned, Shortage of manpower (skilled, semiskilled, unskilled labor), Delay in the approval of contractor submissions by the engineer, Shortage of materials, The relationship between different subcontractors’ schedules were the most important factors that cause delays in private projects sector in Jordan. Furthermore one way ANOVA analysis conducted to select factors that share agreement between the three groups.
Licensed as a Virginia attorney, Bradford Jacob guides EPC Consulting, LLC, and provides wide-ranging legal support to clients in the construction and energy industries. With offices in Houston and elsewhere, Virginia-based Bradford Jacob offers experienced counsel on issues ranging from liability defense to commercial contracts. His area of focus is engineering,procurement, and construction (EPC), a highly specialized segment that generally takes years to understand in a well-rounded manner.
In this file, you can ref top materials for construction project manager position such as construction project manager key duties/responsibilities, construction project manager qualifications, sales forms, sales job search materials…
A fuzzy approach to evaluate suitability of infrastructure projects with safetyeSAT Journals
Abstract
The current project deals with safety management in highways and infrastructure (Buildings and Roads).The research is partly doctrinal and partly empirical in natural. Research tools used is fuzzy logic. The scope research has been to mainly cover highways and infrastructure (Buildings and Roads).The topic of construction includes the process of Highways, Building and society roads, construction and maintenance, including the design of respective construction, contracting, accomplishing, supervision, and maintenance of Highways, Building, society roads and related structures. Our study of project will fulfil the safety requirements by using Fuzzy logic that should be consider before starting highways and infrastructure (Buildings and Roads) and this study will be very helpful in construction industry. as this study will decrease the chances of accidents as well as to save lives. Today so many people lose their lives when traffic has to move through maintenance works and road construction every year also during the construction of Buildings. The cases of construction section injuries and accidental death are predicted to go even higher than now. Construction in highways and infrastructure (Building and Roads) covers various activities, techniques, materials and source of danger therefore because of this conditions the probability of accidents increases every time. The fact is construction industry has the most disappointing record of safety compare to all industrial sectors, with a risk of casualty 5 times higher than several other industry in the world. The higher rate of accidents and deaths in the construction industry compare to all other industries are may be due to the process of the construction work. The factors due to which the rate of accidents are high in construction industry are such as poor planning, lack of safety training, lack of supervision, lack of safety equipment , and lack of incident investigation helps to create more problems in future. Hence, by using Multi criteria decision making by Fuzzy logic will reduce the risk of accidents while construction of highways and infrastructure (Building and Roads).
Keywords: Highway and Infrastructure Safety, Defuzzification, Fuzzy Multi Criteria Decision Making, Expert Opinion, Linguistic Terms and Safety Potential Index
A fuzzy approach to evaluate suitability of infrastructure projects with safetyeSAT Journals
Abstract
The current project deals with safety management in highways and infrastructure (Buildings and Roads).The research is partly doctrinal and partly empirical in natural. Research tools used is fuzzy logic. The scope research has been to mainly cover highways and infrastructure (Buildings and Roads).The topic of construction includes the process of Highways, Building and society roads, construction and maintenance, including the design of respective construction, contracting, accomplishing, supervision, and maintenance of Highways, Building, society roads and related structures. Our study of project will fulfil the safety requirements by using Fuzzy logic that should be consider before starting highways and infrastructure (Buildings and Roads) and this study will be very helpful in construction industry. as this study will decrease the chances of accidents as well as to save lives. Today so many people lose their lives when traffic has to move through maintenance works and road construction every year also during the construction of Buildings. The cases of construction section injuries and accidental death are predicted to go even higher than now. Construction in highways and infrastructure (Building and Roads) covers various activities, techniques, materials and source of danger therefore because of this conditions the probability of accidents increases every time. The fact is construction industry has the most disappointing record of safety compare to all industrial sectors, with a risk of casualty 5 times higher than several other industry in the world. The higher rate of accidents and deaths in the construction industry compare to all other industries are may be due to the process of the construction work. The factors due to which the rate of accidents are high in construction industry are such as poor planning, lack of safety training, lack of supervision, lack of safety equipment , and lack of incident investigation helps to create more problems in future. Hence, by using Multi criteria decision making by Fuzzy logic will reduce the risk of accidents while construction of highways and infrastructure (Building and Roads).
Keywords: Highway and Infrastructure Safety, Defuzzification, Fuzzy Multi Criteria Decision Making, Expert Opinion, Linguistic Terms and Safety Potential Index
Occupational health and safety (ohs) management vis à-vis different phases of...eSAT Journals
Abstract
Accidents at construction sites are identified as a major problem throughout the world. Apart from the accidents at construction
sites, people working in the construction industry suffer from several occupational health disorders. In this backdrop,
implementation of an effective occupational health and safety measures are gaining importance these days across the world. In
line with this discussion, the present paper aims at assessment of occupational health and safety management w.r.t. different
phases of construction activates i.e. pre-construction, construction and post-construction phases. It is observed that, the concept
of occupational health and safety is not only applicable construction phase but also equally applicable to both pre-construction
and post-construction.
Key Words: Occupational health, safety, accidents, construction phase, pre-construction phase, post- construction
phase, safety culture, safety assessment
Critical Factors Influencing to Management Risk in Construction Projectstheijes
The International Journal of Engineering & Science is aimed at providing a platform for researchers, engineers, scientists, or educators to publish their original research results, to exchange new ideas, to disseminate information in innovative designs, engineering experiences and technological skills. It is also the Journal's objective to promote engineering and technology education. All papers submitted to the Journal will be blind peer-reviewed. Only original articles will be published.
The papers for publication in The International Journal of Engineering& Science are selected through rigorous peer reviews to ensure originality, timeliness, relevance, and readability.
Theoretical work submitted to the Journal should be original in its motivation or modeling structure. Empirical analysis should be based on a theoretical framework and should be capable of replication. It is expected that all materials required for replication (including computer programs and data sets) should be available upon request to the authors.
The International Journal of Engineering & Science would take much care in making your article published without much delay with your kind cooperation.
Safety and health risk assessment at oman building construction projectseSAT Publishing House
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology
Safety and health risk assessment at oman building construction projectseSAT Journals
Abstract In this research a field survey was conducted via 30 interviews with safety and health experts and risk management staff in the field of construction industry in Oman followed by a questionnaire divided into six categories. 151 responses were analysed. The aim was to explore the availability, awareness, type and implementation of ORA. Six key risks were identified; namely: working at heights; working on fragile roofs; using electrical equipment; working under high voltage overhead power lines; working in confined spaces; working without knowing how to use the provided emergency equipment. All respondents were male gender and 61 per cent of them were below the age of 40. 59 per cent of respondents have education equal to or below the national diploma (≤ 12 level). 75.5 per cent of the respondents work in construction industry followed by the consultants (19%). 53 per cent of respondents were labourers and technicians. 96 per cent of projects were residential, commercial or a combination of residential and commercials buildings. 81.3 per cent of workers were having equal or less than 10 years of experience in the construction projects. 53 per cent of respondents never experienced fatality during their work. 53.6 per cent of respondents indicated that they do not have Risk Assessment Matrix for Occupational Safety and Health. All respondents agreed that it is important or very important to apply Occupational Risk Assessment Matrix in accordance with the local regulations. Only 42.4 per cent strongly agree that HSE personal should carry out risk assessment before any activity. Most respondents showed willingness of applying risk management by workers.
The construction labour shortage in johor bahru, malaysiaeSAT Journals
Abstract
Construction industry is one of the sectors that require the Labor intensive to fulfill the work site. However, we always hear the problems related to the shortage of the construction workers. Therefore, the purpose of this study are to estimate the current shortage composition of construction labor, to evaluate the problem faced by contractor when hired labor, to examine contractor method of acquiring construction labor, and to investigate the strategies taken by contractor to overcome shortage of labor. The questionnaire will be distributed to the 35 of construction site which targeting project representative that involved with construction site in Johor Bahru district, Malaysia, in order to obtain their feedback related to this topic. The Johor Bahru district is located in the southern part of Johor in the Malay Peninsula, separated from Singapore by Straits of Johor. The district covers an area of 1,871 km² and has a population of over 2 million. The data will be analyzed using SPSS 16 in order to obtain average index, frequencies and percentage calculation. The result obtained from analysis will be represent in data table, bar and pie chart. The result of this study indicates that the current shortage and demand of the current construction are about 12.14% from the total labor workforce which is about 360 workers for 35 projects sites. Keywords: Construction, Foreign Workers, Shortage, Strategies
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology.
Mechanical properties of hybrid fiber reinforced concrete for pavementseSAT Journals
Abstract
The effect of addition of mono fibers and hybrid fibers on the mechanical properties of concrete mixture is studied in the present
investigation. Steel fibers of 1% and polypropylene fibers 0.036% were added individually to the concrete mixture as mono fibers and
then they were added together to form a hybrid fiber reinforced concrete. Mechanical properties such as compressive, split tensile and
flexural strength were determined. The results show that hybrid fibers improve the compressive strength marginally as compared to
mono fibers. Whereas, hybridization improves split tensile strength and flexural strength noticeably.
Keywords:-Hybridization, mono fibers, steel fiber, polypropylene fiber, Improvement in mechanical properties.
Material management in construction – a case studyeSAT Journals
Abstract
The objective of the present study is to understand about all the problems occurring in the company because of improper application
of material management. In construction project operation, often there is a project cost variance in terms of the material, equipments,
manpower, subcontractor, overhead cost, and general condition. Material is the main component in construction projects. Therefore,
if the material management is not properly managed it will create a project cost variance. Project cost can be controlled by taking
corrective actions towards the cost variance. Therefore a methodology is used to diagnose and evaluate the procurement process
involved in material management and launch a continuous improvement was developed and applied. A thorough study was carried
out along with study of cases, surveys and interviews to professionals involved in this area. As a result, a methodology for diagnosis
and improvement was proposed and tested in selected projects. The results obtained show that the main problem of procurement is
related to schedule delays and lack of specified quality for the project. To prevent this situation it is often necessary to dedicate
important resources like money, personnel, time, etc. To monitor and control the process. A great potential for improvement was
detected if state of the art technologies such as, electronic mail, electronic data interchange (EDI), and analysis were applied to the
procurement process. These helped to eliminate the root causes for many types of problems that were detected.
Managing drought short term strategies in semi arid regions a case studyeSAT Journals
Abstract
Drought management needs multidisciplinary action. Interdisciplinary efforts among the experts in various fields of the droughts
prone areas are helpful to achieve tangible and permanent solution for this recurring problem. The Gulbarga district having the total
area around 16, 240 sq.km, and accounts 8.45 per cent of the Karnataka state area. The district has been situated with latitude 17º 19'
60" North and longitude of 76 º 49' 60" east. The district is situated entirely on the Deccan plateau positioned at a height of 300 to
750 m above MSL. Sub-tropical, semi-arid type is one among the drought prone districts of Karnataka State. The drought
management is very important for a district like Gulbarga. In this paper various short term strategies are discussed to mitigate the
drought condition in the district.
Keywords: Drought, South-West monsoon, Semi-Arid, Rainfall, Strategies etc.
Life cycle cost analysis of overlay for an urban road in bangaloreeSAT Journals
Abstract
Pavements are subjected to severe condition of stresses and weathering effects from the day they are constructed and opened to traffic
mainly due to its fatigue behavior and environmental effects. Therefore, pavement rehabilitation is one of the most important
components of entire road systems. This paper highlights the design of concrete pavement with added mono fibers like polypropylene,
steel and hybrid fibres for a widened portion of existing concrete pavement and various overlay alternatives for an existing
bituminous pavement in an urban road in Bangalore. Along with this, Life cycle cost analyses at these sections are done by Net
Present Value (NPV) method to identify the most feasible option. The results show that though the initial cost of construction of
concrete overlay is high, over a period of time it prove to be better than the bituminous overlay considering the whole life cycle cost.
The economic analysis also indicates that, out of the three fibre options, hybrid reinforced concrete would be economical without
compromising the performance of the pavement.
Keywords: - Fatigue, Life cycle cost analysis, Net Present Value method, Overlay, Rehabilitation
Laboratory studies of dense bituminous mixes ii with reclaimed asphalt materialseSAT Journals
Abstract
The issue of growing demand on our nation’s roadways over that past couple of decades, decreasing budgetary funds, and the need to
provide a safe, efficient, and cost effective roadway system has led to a dramatic increase in the need to rehabilitate our existing
pavements and the issue of building sustainable road infrastructure in India. With these emergency of the mentioned needs and this
are today’s burning issue and has become the purpose of the study.
In the present study, the samples of existing bituminous layer materials were collected from NH-48(Devahalli to Hassan) site.The
mixtures were designed by Marshall Method as per Asphalt institute (MS-II) at 20% and 30% Reclaimed Asphalt Pavement (RAP).
RAP material was blended with virgin aggregate such that all specimens tested for the, Dense Bituminous Macadam-II (DBM-II)
gradation as per Ministry of Roads, Transport, and Highways (MoRT&H) and cost analysis were carried out to know the economics.
Laboratory results and analysis showed the use of recycled materials showed significant variability in Marshall Stability, and the
variability increased with the increase in RAP content. The saving can be realized from utilization of recycled materials as per the
methodology, the reduction in the total cost is 19%, 30%, comparing with the virgin mixes.
Keywords: Reclaimed Asphalt Pavement, Marshall Stability, MS-II, Dense Bituminous Macadam-II
Laboratory investigation of expansive soil stabilized with natural inorganic ...eSAT Journals
Abstract
Soil stabilization has proven to be one of the oldest techniques to improve the soil properties. Literature review conducted revealed
that uses of natural inorganic stabilizers are found to be one of the best options for soil stabilization. In this regard an attempt has
been made to evaluate the influence of RBI-81 stabilizer on properties of black cotton soil through laboratory investigations. Black
cotton soil with varying percentages of RBI-81 viz., 0, 0.5, 1, 1.5, 2, and 2.5 percent were studied for moisture density relationships
and strength behaviour of soils. Also the effect of curing period was evaluated as literature review clearly emphasized the strength
gain of soils stabilized with RBI-81 over a period of time. The results obtained shows that the unconfined compressive strength of
specimens treated with RBI-81 increased approximately by 250% for a curing period of 28 days as compared to virgin soil. Further
the CBR value improved approximately by 400%. The studies indicated an increasing trend for soil strength behaviour with
increasing percentage of RBI-81 suggesting its potential applications in soil stabilization.
Influence of reinforcement on the behavior of hollow concrete block masonry p...eSAT Journals
Abstract
Reinforced masonry was developed to exploit the strength potential of masonry and to solve its lack of tensile strength. Experimental
and analytical studies have been carried out to investigate the effect of reinforcement on the behavior of hollow concrete block
masonry prisms under compression and to predict ultimate failure compressive strength. In the numerical program, three dimensional
non-linear finite elements (FE) model based on the micro-modeling approach is developed for both unreinforced and reinforced
masonry prisms using ANSYS (14.5). The proposed FE model uses multi-linear stress-strain relationships to model the non-linear
behavior of hollow concrete block, mortar, and grout. Willam-Warnke’s five parameter failure theory has been adopted to model the
failure of masonry materials. The comparison of the numerical and experimental results indicates that the FE models can successfully
capture the highly nonlinear behavior of the physical specimens and accurately predict their strength and failure mechanisms.
Keywords: Structural masonry, Hollow concrete block prism, grout, Compression failure, Finite element method,
Numerical modeling.
Influence of compaction energy on soil stabilized with chemical stabilizereSAT Journals
Abstract
Increase in traffic along with heavier magnitude of wheel loads cause rapid deterioration in pavements. There is a need to improve
density, strength of soil subgrade and other pavement layers. In this study an attempt is made to improve the properties of locally
available loamy soil using twin approaches viz., i) increasing the compaction of soil and ii) treating the soil with chemical stabilizer.
Laboratory studies are carried out on both untreated and treated soil samples compacted by different compaction efforts. Studies
show that increase in compaction effort results in increase in density of soil. However in soil treated with chemical stabilizer, rate of
increase in density is not significant. The soil treated with chemical stabilizer exhibits improvement in both strength and performance
properties.
Keywords: compaction, density, subgradestabilization, resilient modulus
Geographical information system (gis) for water resources managementeSAT Journals
Abstract
Water resources projects are inherited with overlapping and at times conflicting objectives. These projects are often of varied sizes
ranging from major projects with command areas of millions of hectares to very small projects implemented at the local level. Thus,
in all these projects there is seldom proper coordination which is essential for ensuring collective sustainability.
Integrated watershed development and management is the accepted answer but in turn requires a comprehensive framework that can
enable planning process involving all the stakeholders at different levels and scales is compulsory. Such a unified hydrological
framework is essential to evaluate the cause and effect of all the proposed actions within the drainage basins.
The present paper describes a hydrological framework developed in the form of a Hydrologic Information System (HIS) which is
intended to meet the specific information needs of the various line departments of a typical State connected with water related aspects.
The HIS consist of a hydrologic information database coupled with tools for collating primary and secondary data and tools for
analyzing and visualizing the data and information. The HIS also incorporates hydrological model base for indirect assessment of
various entities of water balance in space and time. The framework would be maintained and updated to reflect fully the most
accurate ground truth data and the infrastructure requirements for planning and management.
Keywords: Hydrological Information System (HIS); WebGIS; Data Model; Web Mapping Services
Forest type mapping of bidar forest division, karnataka using geoinformatics ...eSAT Journals
Abstract
The study demonstrate the potentiality of satellite remote sensing technique for the generation of baseline information on forest types
including tree plantation details in Bidar forest division, Karnataka covering an area of 5814.60Sq.Kms. The Total Area of Bidar
forest division is 5814Sq.Kms analysis of the satellite data in the study area reveals that about 84% of the total area is Covered by
crop land, 1.778% of the area is covered by dry deciduous forest, 1.38 % of mixed plantation, which is very threatening to the
environmental stability of the forest, future plantation site has been mapped. With the use of latest Geo-informatics technology proper
and exact condition of the trees can be observed and necessary precautions can be taken for future plantation works in an appropriate
manner
Keywords:-RS, GIS, GPS, Forest Type, Tree Plantation
Factors influencing compressive strength of geopolymer concreteeSAT Journals
Abstract
To study effects of several factors on the properties of fly ash based geopolymer concrete on the compressive strength and also the
cost comparison with the normal concrete. The test variables were molarities of sodium hydroxide(NaOH) 8M,14M and 16M, ratio of
NaOH to sodium silicate (Na2SiO3) 1, 1.5, 2 and 2.5, alkaline liquid to fly ash ratio 0.35 and 0.40 and replacement of water in
Na2SiO3 solution by 10%, 20% and 30% were used in the present study. The test results indicated that the highest compressive
strength 54 MPa was observed for 16M of NaOH, ratio of NaOH to Na2SiO3 2.5 and alkaline liquid to fly ash ratio of 0.35. Lowest
compressive strength of 27 MPa was observed for 8M of NaOH, ratio of NaOH to Na2SiO3 is 1 and alkaline liquid to fly ash ratio of
0.40. Alkaline liquid to fly ash ratio of 0.35, water replacement of 10% and 30% for 8 and 16 molarity of NaOH and has resulted in
compressive strength of 36 MPa and 20 MPa respectively. Superplasticiser dosage of 2 % by weight of fly ash has given higher
strength in all cases.
Keywords: compressive strength, alkaline liquid, fly ash
Experimental investigation on circular hollow steel columns in filled with li...eSAT Journals
Abstract
Composite Circular hollow Steel tubes with and without GFRP infill for three different grades of Light weight concrete are tested for
ultimate load capacity and axial shortening , under Cyclic loading. Steel tubes are compared for different lengths, cross sections and
thickness. Specimens were tested separately after adopting Taguchi’s L9 (Latin Squares) Orthogonal array in order to save the initial
experimental cost on number of specimens and experimental duration. Analysis was carried out using ANN (Artificial Neural
Network) technique with the assistance of Mini Tab- a statistical soft tool. Comparison for predicted, experimental & ANN output is
obtained from linear regression plots. From this research study, it can be concluded that *Cross sectional area of steel tube has most
significant effect on ultimate load carrying capacity, *as length of steel tube increased- load carrying capacity decreased & *ANN
modeling predicted acceptable results. Thus ANN tool can be utilized for predicting ultimate load carrying capacity for composite
columns.
Keywords: Light weight concrete, GFRP, Artificial Neural Network, Linear Regression, Back propagation, orthogonal
Array, Latin Squares
Experimental behavior of circular hsscfrc filled steel tubular columns under ...eSAT Journals
Abstract
This paper presents an outlook on experimental behavior and a comparison with predicted formula on the behaviour of circular
concentrically loaded self-consolidating fibre reinforced concrete filled steel tube columns (HSSCFRC). Forty-five specimens were
tested. The main parameters varied in the tests are: (1) percentage of fiber (2) tube diameter or width to wall thickness ratio (D/t
from 15 to 25) (3) L/d ratio from 2.97 to 7.04 the results from these predictions were compared with the experimental data. The
experimental results) were also validated in this study.
Keywords: Self-compacting concrete; Concrete-filled steel tube; axial load behavior; Ultimate capacity.
Evaluation of punching shear in flat slabseSAT Journals
Abstract
Flat-slab construction has been widely used in construction today because of many advantages that it offers. The basic philosophy in
the design of flat slab is to consider only gravity forces; this method ignores the effect of punching shear due to unbalanced moments
at the slab column junction which is critical. An attempt has been made to generate generalized design sheets which accounts both
punching shear due to gravity loads and unbalanced moments for cases (a) interior column; (b) edge column (bending perpendicular
to shorter edge); (c) edge column (bending parallel to shorter edge); (d) corner column. These design sheets are prepared as per
codal provisions of IS 456-2000. These design sheets will be helpful in calculating the shear reinforcement to be provided at the
critical section which is ignored in many design offices. Apart from its usefulness in evaluating punching shear and the necessary
shear reinforcement, the design sheets developed will enable the designer to fix the depth of flat slab during the initial phase of the
design.
Keywords: Flat slabs, punching shear, unbalanced moment.
Evaluation of performance of intake tower dam for recent earthquake in indiaeSAT Journals
Abstract
Intake towers are typically tall, hollow, reinforced concrete structures and form entrance to reservoir outlet works. A parametric
study on dynamic behavior of circular cylindrical towers can be carried out to study the effect of depth of submergence, wall thickness
and slenderness ratio, and also effect on tower considering dynamic analysis for time history function of different soil condition and
by Goyal and Chopra accounting interaction effects of added hydrodynamic mass of surrounding and inside water in intake tower of
dam
Key words: Hydrodynamic mass, Depth of submergence, Reservoir, Time history analysis,
Evaluation of operational efficiency of urban road network using travel time ...eSAT Journals
Abstract
Efficiency of the road network system is analyzed by travel time reliability measures. The study overlooks on an important measure of
travel time reliability and prioritizing Tiruchirappalli road network. Traffic volume and travel time were collected using license plate
matching method. Travel time measures were estimated from average travel time and 95th travel time. Effect of non-motorized vehicle
on efficiency of road system was evaluated. Relation between buffer time index and traffic volume was created. Travel time model has
been developed and travel time measure was validated. Then service quality of road sections in network were graded based on
travel time reliability measures.
Keywords: Buffer Time Index (BTI); Average Travel Time (ATT); Travel Time Reliability (TTR); Buffer Time (BT).
Estimation of surface runoff in nallur amanikere watershed using scs cn methodeSAT Journals
Abstract
The development of watershed aims at productive utilization of all the available natural resources in the entire area extending from
ridge line to stream outlet. The per capita availability of land for cultivation has been decreasing over the years. Therefore, water and
the related land resources must be developed, utilized and managed in an integrated and comprehensive manner. Remote sensing and
GIS techniques are being increasingly used for planning, management and development of natural resources. The study area, Nallur
Amanikere watershed geographically lies between 110 38’ and 110 52’ N latitude and 760 30’ and 760 50’ E longitude with an area of
415.68 Sq. km. The thematic layers such as land use/land cover and soil maps were derived from remotely sensed data and overlayed
through ArcGIS software to assign the curve number on polygon wise. The daily rainfall data of six rain gauge stations in and around
the watershed (2001-2011) was used to estimate the daily runoff from the watershed using Soil Conservation Service - Curve Number
(SCS-CN) method. The runoff estimated from the SCS-CN model was then used to know the variation of runoff potential with different
land use/land cover and with different soil conditions.
Keywords: Watershed, Nallur watershed, Surface runoff, Rainfall-Runoff, SCS-CN, Remote Sensing, GIS.
Estimation of morphometric parameters and runoff using rs & gis techniqueseSAT Journals
Abstract
Land and water are the two vital natural resources, the optimal management of these resources with minimum adverse environmental
impact are essential not only for sustainable development but also for human survival. Satellite remote sensing with geographic
information system has a pragmatic approach to map and generate spatial input layers of predicting response behavior and yield of
watershed. Hence, in the present study an attempt has been made to understand the hydrological process of the catchment at the
watershed level by drawing the inferences from moprhometric analysis and runoff. The study area chosen for the present study is
Yagachi catchment situated in Chickamaglur and Hassan district lies geographically at a longitude 75⁰52’08.77”E and
13⁰10’50.77”N latitude. It covers an area of 559.493 Sq.km. Morphometric analysis is carried out to estimate morphometric
parameters at Micro-watershed to understand the hydrological response of the catchment at the Micro-watershed level. Daily runoff
is estimated using USDA SCS curve number model for a period of 10 years from 2001 to 2010. The rainfall runoff relationship of the
study shows there is a positive correlation.
Keywords: morphometric analysis, runoff, remote sensing and GIS, SCS - method
-
Effect of variation of plastic hinge length on the results of non linear anal...eSAT Journals
Abstract The nonlinear Static procedure also well known as pushover analysis is method where in monotonically increasing loads are applied to the structure till the structure is unable to resist any further load. It is a popular tool for seismic performance evaluation of existing and new structures. In literature lot of research has been carried out on conventional pushover analysis and after knowing deficiency efforts have been made to improve it. But actual test results to verify the analytically obtained pushover results are rarely available. It has been found that some amount of variation is always expected to exist in seismic demand prediction of pushover analysis. Initial study is carried out by considering user defined hinge properties and default hinge length. Attempt is being made to assess the variation of pushover analysis results by considering user defined hinge properties and various hinge length formulations available in literature and results compared with experimentally obtained results based on test carried out on a G+2 storied RCC framed structure. For the present study two geometric models viz bare frame and rigid frame model is considered and it is found that the results of pushover analysis are very sensitive to geometric model and hinge length adopted. Keywords: Pushover analysis, Base shear, Displacement, hinge length, moment curvature analysis
Effect of use of recycled materials on indirect tensile strength of asphalt c...eSAT Journals
Abstract
Depletion of natural resources and aggregate quarries for the road construction is a serious problem to procure materials. Hence
recycling or reuse of material is beneficial. On emphasizing development in sustainable construction in the present era, recycling of
asphalt pavements is one of the effective and proven rehabilitation processes. For the laboratory investigations reclaimed asphalt
pavement (RAP) from NH-4 and crumb rubber modified binder (CRMB-55) was used. Foundry waste was used as a replacement to
conventional filler. Laboratory tests were conducted on asphalt concrete mixes with 30, 40, 50, and 60 percent replacement with RAP.
These test results were compared with conventional mixes and asphalt concrete mixes with complete binder extracted RAP
aggregates. Mix design was carried out by Marshall Method. The Marshall Tests indicated highest stability values for asphalt
concrete (AC) mixes with 60% RAP. The optimum binder content (OBC) decreased with increased in RAP in AC mixes. The Indirect
Tensile Strength (ITS) for AC mixes with RAP also was found to be higher when compared to conventional AC mixes at 300C.
Keywords: Reclaimed asphalt pavement, Foundry waste, Recycling, Marshall Stability, Indirect tensile strength.
Immunizing Image Classifiers Against Localized Adversary Attacksgerogepatton
This paper addresses the vulnerability of deep learning models, particularly convolutional neural networks
(CNN)s, to adversarial attacks and presents a proactive training technique designed to counter them. We
introduce a novel volumization algorithm, which transforms 2D images into 3D volumetric representations.
When combined with 3D convolution and deep curriculum learning optimization (CLO), itsignificantly improves
the immunity of models against localized universal attacks by up to 40%. We evaluate our proposed approach
using contemporary CNN architectures and the modified Canadian Institute for Advanced Research (CIFAR-10
and CIFAR-100) and ImageNet Large Scale Visual Recognition Challenge (ILSVRC12) datasets, showcasing
accuracy improvements over previous techniques. The results indicate that the combination of the volumetric
input and curriculum learning holds significant promise for mitigating adversarial attacks without necessitating
adversary training.
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Industrial Training at Shahjalal Fertilizer Company Limited (SFCL)MdTanvirMahtab2
This presentation is about the working procedure of Shahjalal Fertilizer Company Limited (SFCL). A Govt. owned Company of Bangladesh Chemical Industries Corporation under Ministry of Industries.
Hierarchical Digital Twin of a Naval Power SystemKerry Sado
A hierarchical digital twin of a Naval DC power system has been developed and experimentally verified. Similar to other state-of-the-art digital twins, this technology creates a digital replica of the physical system executed in real-time or faster, which can modify hardware controls. However, its advantage stems from distributing computational efforts by utilizing a hierarchical structure composed of lower-level digital twin blocks and a higher-level system digital twin. Each digital twin block is associated with a physical subsystem of the hardware and communicates with a singular system digital twin, which creates a system-level response. By extracting information from each level of the hierarchy, power system controls of the hardware were reconfigured autonomously. This hierarchical digital twin development offers several advantages over other digital twins, particularly in the field of naval power systems. The hierarchical structure allows for greater computational efficiency and scalability while the ability to autonomously reconfigure hardware controls offers increased flexibility and responsiveness. The hierarchical decomposition and models utilized were well aligned with the physical twin, as indicated by the maximum deviations between the developed digital twin hierarchy and the hardware.
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A study of various factors affecting risk management techniques in construction project a case study of india
1. IJRET: International Journal of Research in Engineering and Technology eISSN: 2319-1163 | pISSN: 2321-7308
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Volume: 04 Issue: 03 | Mar-2015, Available @ http://www.ijret.org 586
A STUDY OF VARIOUS FACTORS AFFECTING RISK MANAGEMENT
TECHNIQUES IN CONSTRUCTION PROJECT: A CASE STUDY OF
INDIA
Shuaibu Saminu1
, Raj Prasad2
, V. Thamilarasu3
1
PG Student, Department of Civil Engineering, SRM University, Chennai, India
2
Assistant Professor, Department of Civil Engineering, SRM University, Chennai, India
3
Professor, Department of Civil Engineering, SRM University, Chennai, India
Abstract
Risk management is an important step which should not be neglect or ignore in every project. Because of various risk involved in
construction, it is difficult to maintain time, cost and quality as planned. Project undertaken in the construction sector are widely
complex and have often significant budgets, and thus reducing the risk associated should be a priority for each project manager.
The main purpose of this paper is to identify the key risk factors that affect construction project. Questionnaires has been
prepared incorporating of 50 difference questions after which questionnaire survey was conducted where the questions has been
focused based on (component of questionnaire) the respondents were selected based on their susceptibility to the risk. The data
was analyzed using the Statistical package for social sciences (SPSS) version 21. The result shows that the inadequate planning in
construction project, poor adoption of site safety, supply and use of defective materials and poor resources management in
construction project are all among the forefront key risk factors which affect construction project, meanwhile, effective
recommendations have been developed to increases the efficiency, speedy and minimises risk and abortive work in construction
project.
Keywords: Construction Industries, Construction Projects, Risks Management, Techniques.
--------------------------------------------------------------------***------------------------------------------------------------------
1. INTRODUCTION
Risk management is the systematic process of identifying,
analyzing, and responding to project risk. It includes
maximizing the probability and consequences of positive
events and minimizing the probability and consequences of
adverse events to meet the project objectives (PMI, 2000)
[6]. The success or failure of any venture depends crucially
on how we identify and deal with the risk factors which
affect construction of our project.
Every construction activity no matter what its size and
complexity are, involves risks, which may vary in their final
affect on deliverables (Dey 2002; [3], Poon et al, 2004) [5].
And “no construction project is risk free. Risk can be
managed, minimized, shared, transferred or accepted. It can
not be ignored” (Lutham, 1994) [4]. Moreover, complexity
is introduced in to construction projects due to the tendency
of developing large-sized Mega projects, which involve
intricate designs and novel materials, escalating the overall
exposure to risk and uncertainty (Akintoye and MacLeod,
1997; [2], Abdelgawad and Fayek, 2010) [1]. Therefore, to
respond to these threats and avoid the failure of projects due
to unmanaged risks, risk management must be fundamental
to project managers (Royer, 2000; [7] Raz et al, 2010) [8].
Construction projects have been inculcated with various
numbers of risks hence the factors affecting the risks have to
be identified, which calls for a proper attention for this
study. The aim of this study is to identifying the key risk
factors which affect construction projects and suggest
affective recommendations for successful constructions of
projects. detailed analysis of various construction risks
factors which affect construction project such as the
inadequate planning, poor adoption of site safety, supply
and use of defective materials and poor resources
management in construction project as well as effective
recommendations for a successful attainment of project
objective have been adopted. The paper is organized into six
sections, section two dwells on objective, section three
methodology section four analyses and results while section
five estimates and present the results and section six
concludes and makes a policy recommendations.
2. OBJECTIVE
The objective of this paper is to identify the key risk factors
which affect construction process and present an affective
recommendation for adoption to avert the threat which
causes severity effect to construction project
3. METHODOLOGY
The paper adopted simple statistics method using qualitative
data. A sample of 30 respondents was selected randomly
from small and large construction companies in order to
identify the key risks factors which affect construction
process in India.
2. IJRET: International Journal of Research in Engineering and Technology eISSN: 2319-1163 | pISSN: 2321-7308
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Volume: 04 Issue: 03 | Mar-2015, Available @ http://www.ijret.org 587
The survey is done on 15 different construction companies.
Totally 50 questions were asked which are meant to find out
the key risk factors which affect construction process in
their companies and to find out other various problems they
face during construction. After the questionnaires have been
collected, the analysis is done using Statistical Package for
Social Sciences (SPSS). The responses of the questions have
been coded as numerals which resulted in finding out the
frequency and percentage using the cumulative percentage
formula.
4. ANALYSIS AND RESULT
The figures below shows the analysis of results, the analysis
was done using SPSS software in which the mean value as
well as standard deviation of the mean for each risk factor
was obtained. The analysis is categorized into two sections:
The general information of the various respondents and the
responses of the selected respondents under the periods of
the study.
3.1 Years of Working Experience of the
Respondents
The figure 1 below shows the percentages of the working
experience where by 6 to 10 constitute 33.3% while 11 to 15
account 30 percent of the respondent. 1 to 5 20% and 16 to
20 10% and 20 above 20 years is 6.7% of the respondents.
Fig-1: Years of working experience of the respondents
3.2 Respondents Position
The figure 2 indicated the positions of the respondents,
mostly contractors and planning engineers, their percentages
reveals highest percent of the respondent which account for
about 33.3 percent of the respondent each, while site
engineers 13.3 percent and others account for 12 percent of
the respondents.
Fig-2: Respondents positions
33.3
13.333.3
20
percent
Planning engr.
Site engr.
Contractor
Others
3. IJRET: International Journal of Research in Engineering and Technology eISSN: 2319-1163 | pISSN: 2321-7308
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Volume: 04 Issue: 03 | Mar-2015, Available @ http://www.ijret.org 588
3.3 Project Name
Two important projects was given dues regards, these are
road construction and site construction, these two types of
project constitute 50% and 40% percent respectively. But in
order to avoid bias and accurate results others construction
companies has been analyzed this cover 10 percent of the
respondent, the results of the project names is depicted in
figure 3 below.
Fig-3: project name
3.4 Inadequate Planning Causes Risk in
Construction Project
It can be interpreted that 36.70% of the respondent strongly
agreed that in-adequate planning causes risk in construction
of project, while 6.70 percent of the respondent disagree and
30.00 percent of the respondents agreed and lastly 26.70%
of the respondent are neutral. It can be concluded base on
the respondent responses that inadequate planning causes
risk in construction of project, since it score highest
response from the survey conducted.
Fig-4: Inadequate planning causes risk in construction project
3.5 Adoption of Site Safety Minimize Risks during
Construction of Project
In figure 5 below, 43.30% of the respondents strongly
agreed that site safety minimizes risk while 40.00% of the
respondents agreed so also 3.30% of the respondent disagree
that site safety minimizes risk during construction of project.
It can be concluded that majority of the respondents agreed
that site safety minimizes risks during construction of
project.
50
40
10
percent
Road const.
Site const.
Others
6.7
26.7
30
36.7
0
5
10
15
20
25
30
35
40
Disagree Neutral Agree Strongly agree
Percent
4. IJRET: International Journal of Research in Engineering and Technology eISSN: 2319-1163 | pISSN: 2321-7308
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Volume: 04 Issue: 03 | Mar-2015, Available @ http://www.ijret.org 589
Fig-5: adoption of site safety minimizes risk in construction projects
3.7 Supplies and Uses of Defective Material Causes
Risk in Construction Project
From the figure below, 46.70% of the respondents agreed
that use of defective material causes risks in construction of
project while 10.00% of the respondent disagree, 26.70% of
the respondents are neutral while 16.70 percent strongly
agreed that the supply use of defective material causes risk
in constructing project.
Fig-6: Supply and use of defective materials causes risk in construction projects
3.8 Poor Resources Management Develops Risk in
Construction of Project
From the chart below, 56.7% agreed that poor resources
management develops risk during construction of project
and also 23.3% supported the above point while 20%
percent of the respondents are neutral. Hence none of the
respondent agreed with the poor resources management.
Therefore, it can be concluded that poor resource
management causes risk in construction process.
3.3
13.3
40
43.3
0
5
10
15
20
25
30
35
40
45
50
Disagree Neutral Agree Strongly agree
Percent
10
26.7
46.7
16.7
0
5
10
15
20
25
30
35
40
45
50
Disagree Neutral Agree Strongly agree
Percent
5. IJRET: International Journal of Research in Engineering and Technology eISSN: 2319-1163 | pISSN: 2321-7308
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Volume: 04 Issue: 03 | Mar-2015, Available @ http://www.ijret.org 590
Fig-7: Poor resources management develop risks in construction projects
Table-1: Other Findings/ Responses
Questions Variables Percent (%)
Do you agree that land acquisition is one of the factors of
construction risk?
Disagree 16.7
Strongly disagree 6.7
Neutral 33.3
Agree 30.0
Strongly agree 13.3
Late delivery of construction materials to the site have a negative
effect to the construction project
Disagree 10.0
Strongly disagree 3.3
Neutral 40.0
Agree 36.7
Strongly agree 10.0
Change in the scope of work is one of the factors which
constitute risk, do you agree?
Disagree 30.0
Strongly disagree 6.7
Neutral 33.3
Agree 16.7
Strongly agree 13.3
Do you agree that shortage of equipment is one of the risk factors
that affect construction project?
Disagree 20.0
Strongly disagree 6.7
Neutral 43.3
Agree 26.7
Strongly agree 3.3
Do you agree that poor quality of workmanship does not
negatively affect construction of a project?
Disagree 23.3
Strongly disagree 26.7
Neutral 30.0
Agree 6.7
Strongly agree 13.3
Is shortage of material one of the factor which affects
construction of a project?
Disagree 10.1
Neutral 53.3
Agree 33.3
Strongly agree 3.3
20
56.7
23.3
0
10
20
30
40
50
60
Neutral Agree Strongly agree
Percent
6. IJRET: International Journal of Research in Engineering and Technology eISSN: 2319-1163 | pISSN: 2321-7308
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Volume: 04 Issue: 03 | Mar-2015, Available @ http://www.ijret.org 591
From the table above, it can be interpreted that 30.3% of the
respondents agreed that the land acquisition is one of the
factors of construction risk, 33.3% are neutral, and 13.3%
strongly support the point while 16.7% disagree but 6.7% of
the respondents strongly disagree. Therefore, it is concluded
that majority of the respondents agreed that land acquisition
is one of the factors of construction risk.
40% of the respondents are neutral on the point which stated
that late delivery of construction materials to the site have a
negative effect to the construction project but 46.7% of the
respondents agreed on the point with support of 10% of the
respondents, which strongly agreed. While, only 3.3% of the
respondents disagree with the point, and 10% also strongly
disagree. It is concluded that late delivery of construction
materials to the site have a negative effect to the
construction project.
Similarly, 33.3% of the respondents are neutral on the point
which says change in the scope of work is one of the factors
which constitute risk in construction project while 30%
disagree, 16.7% agreed, 13.3% strongly agreed with the
point, and 6.7% of the respondents strongly disagree with
the point. Therefore, it is clear that majority of the
respondents agreed that change in the scope of work is not a
factor which constitute risk in construction project.
It is clear in the above table that 43.3% of the entire
respondents are neutral on the point which stated that
shortage of equipment is one of the risk factors that affect
construction project, 26.7% agreed, 20% disagree, 6.7%
strongly disagree and 3.3% strongly supported the point. It
is clear that going by the high percentage of the decided
respondents agreed that shortage of equipment is one of the
factors that affect construction project.
30% of the respondents are neutral on the point which stated
that poor quality of workmanship does not negatively affect
construction of a project but 26.7% of the respondentS
strongly disagree, and 23.3% also disagree with the point, it
is only 13.3% with support from 6.7% of the respondents
that agreed with the point. Therefore, it can be concluded
that majority of the respondents agreed that poor quality of
workmanship negatively affect construction of project.
In addition, 53.3% of the respondents are neutral about the
point which says shortage of materials is one of the factors
which affect construction project, 33.3% agreed, and 10.1%
disagree while 3.3% of the entire respondents strongly
agreed with the point. Therefore, the majority of the decided
respondents agreed upon the shortage of materials is one of
the factors which affect construction of a project.
5. MAJOR FINDINGS AND DICUSSION
From the empirical results it was identified that inadequate
planning is among the factors which causes risk in
construction projects: If adequate planning of the entire
project is not observed due to negligence or inexperience it
may lead to loss or even failure of the project.
Poor adoption of site safety is among the factor which
causes risk in construction projects: Safety rules and
regulations are the most essential process which should not
be neglected in every construction project activities.
Negligence or ignorance on site safety leads to the damage
of properties, hazard to environment, injury to workers and
even loss of life.
Supply and use of defective materials is among the factors
which causes risk in construction project: It is a threat to the
contractor, owner and the environment where the project is
situated if defective materials are supply and use in project,
the project may be completed but its life span may be
shorter.
Poor resources management develops risk in construction
project: All the Men (workmen), Materials, Machineries,
Money and Time available for construction if not efficiently
and effectively manages, it may lead to great loss or
immediate failure of the entire project.
6. CONCLUSION AND RECOMMENDATION
Risk management in construction of any project is very
essential and a process to be giving priority by every
construction company, larger, medium or smaller sized. The
success of every construction project mostly is determined
by the ability of the construction team to manage the risk
and the process of implementing the project. it is
conclusively identified that adequate planning, adoption of
site safety, use of good and quality materials in construction
as well as effective and efficient use of all the available
resources are among the forefront factors for success that
mitigate the amount of risk in construction project under the
period of the study.
Therefore, to eliminate if not completely eradicate the
number of risks usually encounter during construction of
project one have to fully identify the factors that causes risk
in construction of project and a possible process of
mitigating them. For a project to be successful the following
recommendations are hereby presented:
Adequate planning should be provided before the
commencement of project construction.
Safety, rules and regulations in construction site
should fully be maintained from the initial to final
stage of construction.
Durable and quality materials for construction should
be supply and use properly.
Efficient and Economical use of all the available
resources should be adopted by all members of
construction team.
Land, Materials, Machineries and all other needed
equipment should be supply immediately for
effective utilization.
Effective communications and corporations between
all members of construction team should be adopted.
Well trained and experienced workmen should be
employed where necessary.
7. IJRET: International Journal of Research in Engineering and Technology eISSN: 2319-1163 | pISSN: 2321-7308
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Volume: 04 Issue: 03 | Mar-2015, Available @ http://www.ijret.org 592
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BIOGRAPHIES
Shuaibu Saminu
(PG Student)
Mr. J. Rajprasad
Assistant Professor (OG)
Dr. Thamilarasu ph D.
Professor