Relevant bibliographies by topics / Delays in Projects

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Delays in Projects'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Delays in Projects"

1

Elawi, Ghazi Saad A., Mohammed Algahtany, Dean Kashiwagi, and Kenneth Sullivan. "Major Factors Causing Construction Delays in Mecca." Journal for the Advancement of Performance Information and Value 7, no. 1 (December 1, 2015): 75. http://dx.doi.org/10.37265/japiv.v7i1.55.

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Delays are a major cause for concern in the construction industry in Saudi Arabia. This paper identifies the main causes of delay in infrastructure projects in Mecca, Saudi Arabia, and compares these with projects around the country and other Gulf countries. Data was obtained from 49 infrastructure projects undertaken by the owner and were analyzed quantitatively to understand the causes and severity of delay. 10 risk factors were identified and were grouped into four categories. Average delay in infrastructure projects in Mecca was found to be 39% of the estimated projects schedules. The most severe cause of delay was found to be the land acquisition factor. This highlights the critical land ownership and acquisition issues that are prevailing in the city. Additionally, other factors that contribute to delay include contractors’ lack of expertise, haphazard underground utilities (line services), and re-designing. It is concluded that the majority of project delays were caused from the owner’s side as compared to contractors, consultants, and other project’s stakeholders. This finding matched with the research findings of the Gulf Countries Construction (GCC) industry’s literature. This study fills an important practice and research gap for improving the efficiency in delivering infrastructure projects in the holy city of Mecca and Gulf countries at large.
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2

Thapanont, Pornsirichotirat, Charoenpornpattana Santi, and Xinghatiraj Pruethipong. "Causes of delay on highway construction projects in Thailand." MATEC Web of Conferences 192 (2018): 02014. http://dx.doi.org/10.1051/matecconf/201819202014.

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Delay in construction project is an important issue in construction management. This is because delay will cause negative impacts on both the owner and the contractor. For owner, it will lead to the late opening of new road. For contractor, it will cause extra operating cost. In this paper, therefore, the causes of delay in road construction projects are researched. This paper studied a list of road construction delay causes gathered from literature having different countries. Internationally, twenty-six factors that might cause delays of road construction projects are identified in this research. Among 26 factors, considering in Thailand, eight key factors are typically found as the cause of delays in road construction projects. These 8 factors are then prioritized to identify the most important causes of delays in road construction projects in Thailand. A questionnaire and personal interviews through project engineer have formed the basis of this paper. The study indicates that the 5 top factors affecting road construction delays are: incomplete drawings, lack of equipment efficiency or financial status of contractors, delay in relocating existing infrastructure structures, less of project engineer experiences, and delay in relieving environmental impact, respectively
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3

Pourrostam, Towhid, and Amiruddin Ismail. "Study of Methods for Minimizing Construction Delays: Evidences from a Developing Country." Advanced Materials Research 201-203 (February 2011): 2939–42. http://dx.doi.org/10.4028/www.scientific.net/amr.201-203.2939.

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Delays are one of the biggest problems in construction projects in developing countries, as cause negative effects on the projects. Delays can be minimized only when their causes are identified. This paper aims to identify effective methods of minimizing delay in construction projects. The literature related the field of causes and effects of delay and methods for minimizing construction delay has been reviewed over the last decade. This paper highlighted methodology to reduce construction delays from consultant and contractor viewpoints. The perspective of contractors and consultants has been analysed to rank the methods of minimizing construction delays based on their Relative Importance Index (RII). The most effective methods of minimizing delay in construction projects were: adequate funding throughout the project, competent project manager, awarding bids to the right designer/contractor, complete and proper design at the right time, availability of resources, clear objective and scope, and the use of experienced subcontractors and suppliers. The result can be used as a guideline to successfully handling construction projects in Iran as well as other developing countries.
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4

Barqawi, Mohammad, Heap-Yih Chong, and Emil Jonescu. "A Review of Employer-Caused Delay Factors in Traditional and Building Information Modeling (BIM)-Enabled Projects: Research Framework." Advances in Civil Engineering 2021 (April 22, 2021): 1–24. http://dx.doi.org/10.1155/2021/6696203.

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Construction delays are considered a common worldwide problem. Previous studies have investigated construction delay factors from the perspectives of different project stakeholders. However, a thorough analysis of such delays on different types of construction projects in different geographies is still lacking, precisely the effect of employers’ delays in traditional and building information modeling (BIM)-enabled projects. This research proposes a research framework to address potential employer-caused delay factors in traditional and BIM-enabled projects. A cross-sectional literature search was carried out to review construction delay factors and employer-caused delay factors in traditional and BIM-enabled projects. The study found that: (a) a research gap exists in traditional construction delay studies in specific continents and project types as well as in BIM-enabled project studies, (b) delay aspects have not been addressed or have been partially addressed in previous studies, and (c) a relationship model between employer-caused delay factors and success factors can be developed by studying the effects of BIM barriers and implementation strategies. This paper is the first to present a comprehensive review on delay factors and tender a novel framework to address employer-caused delay factors in both traditional and BIM-enabled projects.
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5

Vishalkranti.myneni@spav.ac.in and Kranti kumar Myneni. "CAUSES AND IMPACT OF DELAY IN CONSTRUCTION INDUSTRY OF INDIA." International Journal of Engineering Technologies and Management Research 8, no. 1 (February 5, 2021): 35–44. http://dx.doi.org/10.29121/ijetmr.v8.i1.2021.851.

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Delays can be well-defined as the escalation of the stipulated time for the completion of the project. Delay is always the major loss to any construction project. In construction projects delay is a very usual thing and it can have an adverse effect on the project’s time and cost. As construction is one of the largest economic activity in India, the effects of delay are still in millions, which surely decreases the GDP of the country. Delay makes the process tardy and management of delay is extremely challenging as most of the projects do not meet the expected requirement and fails to perform within time. Therefore, various types and causes of delays should be studied accurately. There are many researches on construction delays but they talk about the wide-ranging reasons of delay, so there stays a high requirement of a notable and feasible study on delays at different stages of construction process in India. The aim of the paper is to identify the causes of delays at different stages of construction through questionnaire survey in Indian construction industry. Analytical tools used in this research are relative importance index (RII) and spearman’s rank correlation coefficient to rank the sources of delay with respect to its occurrence in the various stages of the construction project. The study concludes based on the correlation coefficient analysis between the construction stages, that the delays associated with before-construction stage is least related, with after-construction stage is third highly related, with construction stage is second highly related and delays associated with average/overall construction is highly related.
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6

Phadtare, Milind T. "Causes of Delay in Budget Hotel Construction Projects." International Journal of Information Systems and Social Change 5, no. 3 (July 2014): 49–63. http://dx.doi.org/10.4018/ijissc.2014070104.

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Delay in construction projects is a universal phenomenon. However, the topic is not adequately studied in the Indian context. This paper attempts to identify the causes of delays in construction of budget hotels in India and suggest remedies to avoid some delays. A business group constructing budget hotels across the country is approached for this study. Forty causes of delay have been identified and Relative Importance Index was calculated. The contribution of each category of causes of delay to overall delay in the projects was computed. Remedies such as, joint effort of the participants of the industry, training, coordination between project participants and project timing and scheduling are suggested and validated.
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7

Manzur, Ansal, N. Ganesan, and Mathews Vinay. "A Study on Delays in Construction Projects." Applied Mechanics and Materials 857 (November 2016): 24–29. http://dx.doi.org/10.4028/www.scientific.net/amm.857.24.

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Late completion of construction project compared to planned schedule is common in construction projects. Delays can create cost and time over run and disputes between client and contractor executing construction work. First part of the study focusses on determining reasons which contribute to delay in construction work. This paper doesn’t attempt to propose methods to avoid delays. The possibility of using extant time and cost forecasting methods to help project managers anticipate delays has been evaluated in second part of the study.
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8

Amoatey, Charles Teye, Yaa Asabea Ameyaw, Ebenezer Adaku, and Samuel Famiyeh. "Analysing delay causes and effects in Ghanaian state housing construction projects." International Journal of Managing Projects in Business 8, no. 1 (January 5, 2015): 198–214. http://dx.doi.org/10.1108/ijmpb-04-2014-0035.

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Purpose – The purpose of this paper is to assess the causes and effects of delays in public sector housing projects in Ghana. Design/methodology/approach – A purposive sampling approach was used in selecting the respondents for the study. These were experts working on various state housing construction projects in Ghana. Findings – Results from the study showed that the critical factors that contribute to project delays in Ghana are; delay in payment to contractor/supplier, inflation/price fluctuation, price increases in materials, inadequate funds from sponsors/clients, variation orders and poor financial/capital market. The critical effects of delays are cost overrun, time overrun, litigation, lack of continuity by client and arbitration. Research limitations/implications – This paper is limited to causes and effects of project delays in Ghana based on data collected from only one state institution. Due to geographic constraints the researchers were unable to sample state institutions across Ghana involved in various housing projects. Practical implications – This paper has documented the critical state housing construction project delay factors in Ghana. The results will help project managers and policymakers appreciate the effects of these delays on project outcomes. Social implications – Measures aimed at reducing cost of housing projects in Ghana can translate into significant benefits to the poor and support achievement of government objective of providing affordable housing to low income citizens. Originality/value – This research focussed on the key factors and best practices that lead to the success of state housing projects within the Ghanaian context.
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9

Ullah, K., M. S. Khan, M. T. Lakhiar, A. A. Vighio, and S. Sohu. "Ranking of Effects of Construction Delay: Evidence from Malaysian Building Projects." Journal of Applied Engineering Sciences 8, no. 1 (May 1, 2018): 79–84. http://dx.doi.org/10.2478/jaes-2018-0011.

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Abstract The problem of delay is a regular phenomenon in construction projects all around the world and the Malaysian building projects has no exclusion. The aim of this paper is to determine and rank the effects of delay in Malaysian building projects with respect to their Relative Importance Index. Literature review and questionnaire survey were used to gather data for this study. A thorough literature review was performed to identify the common effects of delays in building construction projects. A questionnaire was distributed among key project participants; contractors, clients and consultants, to rank the effects of delay in Malaysian building projects based on the perception of survey respondents. In total 300 questionnaires were distributed, as a result of 240 questionnaires were received. The collected data of questionnaire survey was analysed using statistical software SPSS. In total, 17 effects of the delays have been determined and findings from the survey revealed that time overrun, cost overrun, dispute, loss of profit, arbitration, claims, contract termination, litigation, poor quality of work, and total project abandonment were the main effects of delay in Malaysian building projects. The findings of this study might encourage construction stakeholders to focus on the issue of delays in building projects.
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10

Amaral, Eliseu Soares Parerira. "Case Study of Delay Construction Projects in Bidau Dili Timor-Leste Bridge." IJTI (International Journal of Transportation and Infrastructure) 3, no. 1 (July 14, 2020): 20–28. http://dx.doi.org/10.29138/ijti.v3i1.1052.

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The process of implementing development projects has many obstacles that were not predicted beforehand resulting in delays in project completion which have an impact on increasing the cost of project implementation. sometimes the project is not completed in accordance with a predetermined schedule that may be caused by certain factors. Various ways can be done to anticipate and be a solution to the delay. The purpose of the study is to analyze the factors that influence delays in bridge construction projects in Bidau Timor - Leste and how to anticipate delays in project work. The research method used is descriptive method by observation and direct interviews. So that there are several dominant factors that influence the delay of the Bidau Timor-Leste bridge construction project, including the types of weather, material and financial. To anticipate delays in construction projects, it is necessary to do a work contract in accordance with the contract law in which all matters are regulated, so that the anticipation, mitigation and accountability are clear. Identification of the application of overcoming delays in the Bidau Timor-Leste bridge construction project if viewed from the side of the existing contract there are still shortcomings, so it needs to be improved in terms of working contract documents and refer to the contract law.
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Dissertations / Theses on the topic "Delays in Projects"

1

Besogul, Ercan. "Reasons Of Delays In Steel Construction Projects: An Application Of A Delay Analysis Methodology." Master's thesis, METU, 2006. http://etd.lib.metu.edu.tr/upload/12607159/index.pdf.

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Delay is one of the most common problems in the steel construction industry. At the time of bidding steel contractors plan tasks and assign resources according to the site visits, the information given in the contract and specifications related with the project. However, as the project progresses some conditions of the work may change. These changes may affect originally planned means and methods. Finally, the affected activities cause the project total cost and duration to increase. In steel construction projects, if not managed properly in accordance with the contract, changes are likely to result in claims between the project participants. In this study, a delay analysis methodology which is based on time impact analysis is proposed. The aim of this methodology is to quantify impacts of work changes on the schedule and cost of steel construction projects and identify the responsible parties for these changes. A risk breakdown structure is presented to help decision-makers to identify probable sources of risk factors that usually result in time and cost overruns. The potential sources of change are categorized into 3 groups: contractor-related, owner-related and external factors. By using this structure, contractors may classify changes and assign the impacts of changes to the appropriate parties. The proposed methodology comprises of 3 steps: identification and quantification of delays, allocation of these delays to responsible parties and using TIA to calculate overall impact of changes on time and cost. The major benefits of this methodology are
a) its ability to handle and quantify changes in a step by step procedure, b) it provides a graphical representation of actual progress, and c) it helps decision-makers to give reliable decisions by monitoring the impact of changes during the project&
#8217
s life cycle. Construction professionals may use it to apportion impact of changes in a systematic and reliable way. Moreover, reports generated by using this methodology can provide evidence during the claim management process. An application of this methodology on a steel project demonstrates the superiority of the process in explaining the dynamic nature of changes and in apportioning the impacts between different parties in a systematic way.
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2

Al-Humaidi, Hanouf M. "A fuzzy logic approach to model delays in construction projects." Columbus, Ohio : Ohio State University, 2007. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1185539202.

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3

Al-Keim, Ali. "Strategies to Reduce Cost Overruns and Schedule Delays in Construction Projects." ScholarWorks, 2017. https://scholarworks.waldenu.edu/dissertations/4586.

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Senior managers fail to control time and costs of construction projects despite available advanced project management tools. Based on project management theory, the objective of this multiple case study was to explore the strategies senior managers use to reduce cost overruns and schedule delays in construction projects. Primary data were obtained from semistructured interviews with 3 senior managers from different construction project management companies who have successfully managed construction projects in Qatar. Data analysis process included a modified Van Kaam method. The transcribed interviews were interpreted and coded to generate themes and were validated through member checking and archival documents. The most centralized themes included (a) master planning, (b) processes and procedures, (c) managing design stage, (d) procurement management, (e) use of proper software, (f) setting project cost and time, and (g) deciding clear scope. A construction project may not succeed without appropriate planning for all stages of the project lifecycle. Managing the approval of the project components during the design stage contributes to reducing changes during construction, which is helpful to control cost and time. The project processes and procedures are meaningful roadmaps for the managers and decision makers. The implications for positive social change include the potential to maintain a cleaner Earth by reducing design and construction wastes. Reducing wastes improves the cost of construction and provides opportunities for people to own property at more affordable costs.
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Motaleb, Omayma Hashim. "Development of a risk response model to handle delays of construction projects in the United Arab Emirates." Thesis, Robert Gordon University, 2014. http://hdl.handle.net/10059/1009.

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Due to the complex nature of construction projects, delay risks are more widespread in the construction sector than elsewhere. This poses a problem for the industry, since it is already at risk because of the recent global economic recession. Indeed, the financial crisis in late 2008 arrested economic development in the construction sector in the United Arab Emirates (UAE), with the result that investors’ confidence in the sector is severely depressed. In this situation, effective risk response is urgently required, since it aims to ensure that all project objectives, including avoiding delays, are met. In itself, the risk response process is a core element of risk management and perhaps the most important area needs to be improved. The aim of the research work that underpins this thesis was to develop a model for effective risk response to help in controlling delay risks. First, the strengths and weaknesses of current risk response processes have been analysed through a comprehensive critical literature review. Common causes of delay risks have been identified and various traditional measures used for their control have been critically reviewed. The greatest deficiencies in all published measures of delay risks control in construction projects are related to the lack of risk response development and appropriate measures (preventative/mitigating), within the risk management process. From the literature review it was also possible to identify the most appropriate methodology to adopt for the current research. A robust research methodology was then outlined which involved a questionnaire survey, case studies and interviews to confirm the literature review results and to achieve the research objectives. The questionnaire was piloted with nine construction professionals in the UAE for its suitability with the envisaged sample. After the pilot the questionnaire was refined then administered in 35 construction, consultancy, and contracting companies, attracting 102 usable responses. The results of the questionnaire confirmed the literature review results. Accordingly, six case studies from three companies were identified and supplemented by face-to-face interview, documents and direct observations. This strategy allowed the research evidence to be triangulated and thus the researcher to be more confident in testing a particular concept or theory. From the results it emerged that most organisations have immature project management systems and poor risk response processes. Hence, 22 Key Success Factors (KSFs) of preventative measures and 15 KSFs of mitigation measures were identified to achieve risk response development by maturity levels in the pre-construction stage and in the construction stage, respectively. The analysis of the case studies revealed the great potential for employing five KSFs of mitigation measures in the risk response development to control delay risks. Having considered these outcomes a risk response development model to control delay risks has been outlined. The model has been carefully validated, both theoretically and in practical terms, through the discussions with interviewees from the selected case studies. The interviewees agreed on the practicality of the model to identify the risk response development, however it is recommended that the project risk event severity and the company capability would need to be taken into account, and the demand to format the test stage for the maturity levels at the transition stages (Disciplinary, Consistency, Integration, and Optimisation) to achieve the effectiveness and the transparency of the model. Based on the validation, it is anticipated that by developing the risk response model, the process itself will be more objective, particularly in delay risks control. The study brings forward findings that can be promoted as the means to enhance opportunities to control delay risks, and benefit practitioners in the UAE given that so far, there has been no model of risk response development by maturity levels for delay risks control. Moreover, one of the unique features of the study is the creation of new knowledge by focusing on the UAE. At the same time, the use of maturity modeling to handle construction delay risks provides new knowledge for a wider audience.
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5

Oztas, Ahmet. "The mitigation of the effects of delays in construction projects : a knowledge based system approach." Thesis, University of Manchester, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.683471.

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6

Narh, Natasha Afi. "Evaluating delays in execution of public sector construction projects : a study of roads and highways in Ghana." Master's thesis, University of Cape Town, 2016. http://hdl.handle.net/11427/20539.

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This study investigates delays in execution of public sector construction projects in Ghana. A review of literature revealed that previous studies on construction projects focused on cost, time overruns, as well as the causes of delays. It is against this background that this study assesses the causes and effects of construction project delays and means of averting such delays. The research design used in obtaining empirical data from a sample of 290 respondents was a survey research design. Questionnaires were used as instruments for data collection, and a Statistical Package for Social Sciences (SPSS) used for the data analysis. The statistical tools employed in the study include frequencies, percentages, Relative Importance Index (RII), Spearman correlation analysis and Chi-Square Test. The findings of the study revealed that some critical contributors to road construction project delay in Ghana during the project execution phase are clients' low cash flow to complete the project, contractors' financial constraints on the project, and improper planning of the project life cycle especially during the bidding phase. Site restriction, weather effects and changes in governmental regulations were found to be the least contributors to projects delays. These delays have a negative impact on project performance, project duration and force project participants to modify and adjust their finances. Investigating the way forward, the study explored strategies that are for averting the delays in executing construction projects. The study found that respondents were undecided in their rating on adequacy of training for project staff on specific requirements of construction projects. Other factors such as adequate of knowledge of contractors on project task, effective mobilization and release of resources, early engagement of project managers as well as adequate and effective supervision of construction activities were each identified as strategies that are applicable and feasible in averting the delays in executing road construction project activities.
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7

Dayi, Songul. "Schedule Delay Analysis In Construction Projects: A Case Study Using Time Impact Analysis Method." Master's thesis, METU, 2010. http://etd.lib.metu.edu.tr/upload/12612823/index.pdf.

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Inadequate or weak preparatory work before starting construction of any structure may cause serious problems during the construction period. For example, projects without sufficient detailed drawings or construction schedules and a disorganized building site can create many problems in the management and completion of the construction works. Consequently, the cost of construction increases digressively, the construction duration of the project extends and the quality of construction is affected adversely. This study dwells on the importance of construction schedules in achieving the aim of producing good quality construction work within the specified duration. Monitoring continuously the interactive relation concerning delays in construction schedules and contractor demands is a complicated process. Here the simplest and basic approach is that, both for owner and contractor, time is money and for this reason construction schedule delays should be analyzed and corrective measures should be taken in a timely manner. The main purpose of this study is to investigate the causes of construction schedule delays and the methods of schedule delay analyses. In this context completion construction works of a covered swimming pool building in Ankara was selected as a case study for analyzing project scheduling and the delays therein. The &ldquo
Time Impact Analysis Method&rdquo
(TIA) was applied to the case study project using PRIMAVERA®
software in order to determine the construction schedule delays
to measure the impacts of these delays on the project completion duration
and to allocate responsibility amongst the project participants for preventing delay claims. After the application of the delay analysis it was observed that the delays in the critical activities extended the project duration by 57 days in total i.e. by 15.4 % of the estimated construction period. Fines should have been paid by the contractor because of 31-days non-excusable delays. Also, the contractor should have been given a time extension of 26-days due to 22-days excusable compensable delays and 4-days excusable non-compensable delays which were beyond the control of the contractor. These delays were caused due to organizational deficiencies of the owner, the bureaucracy of the provincial municipality, the lack of detail drawings during the municipality application, the lack of experience of the contractor, problems in material procurement, unforeseeable weather conditions and shortages of qualified employees of the subcontractors. It was observed that of these all except one correspond to the important causes of delays as reported in literature concerning public projects in Turkey.
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8

Beşoğul, Ercan Supervisor :. Dikmen Toker İrem. "Reasons of delays in steel construction projects : an application of a delay analysis methodology \h [Electronic resource] / \c Ercan Beşoğul, Supervisor Assoc. Prof. Dr. İrem Dikmen Toker." Ankara : METU, 2006. http://etd.lib.metu.edu.tr/upload/12607159/index.pdf.

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Altoryman, Anood Saleh. "Identification and assessment of risk factors affecting construction projects in the Gulf region : Kuwait and Bahrain." Thesis, University of Manchester, 2014. https://www.research.manchester.ac.uk/portal/en/theses/identification-and-assessment-of-risk-factors-affecting-construction-projects-in-the-gulf-region-kuwait-and-bahrain(62ddc6ab-7d43-4e69-bc8b-95b550c62b41).html.

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Many construction projects suffer from mismanagement despite continuous improvement in the field of project risk management. With the construction boom in the Middle East, and especially the Gulf region, construction projects suffer from a high failure rate. The lack of the implementation of standard risk management methods in the construction industry of the Gulf region leads to construction projects that suffer from poor performance, delays, disputes and claims. In order to design a standard risk management model, there is a need for an in-depth study of the construction environment to lay down the foundation for designing a Standard Construction Risk Management Model in the future. This study aims to identify and assess risk factors during the construction phase of construction projects in the Gulf region focusing on two countries of the Gulf region – the State of Kuwait and Kingdom of Bahrain. The risk factors (RF) were identified and assessed and responsiblty shares were allocated to construction parties: clients, consultants and contractors. The research strategy was a Sequential mixed-method. It was adopted by means of interview surveys followed by a questionnaire. The study started with a qualitative approach in which eleven practitioners were interviewed to evaluate and validate a questionnaire. This was followed by questionnaires distributed to a representative sample of 140 consultants, 128 contractors and 139 clients in the State of Kuwait, in addition to 71 consultants, 99 contractors and 78 clients in the Kingdom of Bahrain, to assess the negative impact of the risk factors during the construction phase on the completion of construction projects. Parametric tests were used to analyse the collected data. Including, the Analysis of Variance (ANOVA) test, the independent-samples t-test, and Pearson correlation coefficient (r) test. The study revealed a difference in perception of the risk factors negative impact on project completion between Kuwait and Bahrain, Bahrain perceives highest degree of impact on projects. On the categories level, both countries agreed on the Finance category as the main factor threatening project completion, and the External category as having the least impact. In Kuwait, almost all parties agreed on the negative impact of all categories on project completion except contractors who have different perception on management category. Furthermore, clients and consultants held different perceptions on the impact of design category. Bahrain results reveal significant differences in perceptions on the impact of categories between clients and the other parties, however there are slight differences between consultants and contractors in all categories. The limitations of the study include only large contractors and consultants in Kuwait and Bahrain were included in the study. The study was limited to the construction phase of construction projects and only six categories of risk factors were included in the study and This research was based on practitioners and participants opinions rather than actual occurrences on projects.
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Odimabo, Onengiyeofori. "Risk management system to guide building construction projects in developing countries : a case study of Nigeria." Thesis, University of Wolverhampton, 2016. http://hdl.handle.net/2436/618537.

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Project risk assessment is an effective tool for planning and controlling cost, time and achieving the technical performance of a building construction project. Construction projects often face a lot of uncertainties, which places building construction projects at the risk of cost, time overruns as well as poor quality delivery. Considering the limited resources of developing countries, there is need to complete building projects on-time, on-budget, and to meet optimal quality hence, risk management is an important part of the decision making process in construction industry as it determines the success or failure of construction projects. In line with this need, this research aims to establish a system to improve the time, cost and quality performance of building construction projects in developing countries, through a comprehensive risk management model that ensures the expectations of clients are met. To achieve the aim of this research, a mixed methodological approach was adopted. Through the review of literature, a conceptual risk management framework suitable to elaborate risk assessment of building construction projects especially for developing countries was developed. A questionnaire survey using a nonprobability sampling technique was conducted to elicit information from construction professionals in Nigeria to assess their perception of 79 risk factors identified from literature review based on the likelihood of occurrence and impact on projects using a five point scale. Responses from 343 construction professionals were drawn from 305 contractors and subcontractors and 38 clients (private and public) within the Nigerian construction sector. Response data was subjected to descriptive statistics to depict the frequency distribution and central tendency of responses. Subsequently, the risk acceptability matrix (RAM) was adopted to categorise and prioritise risk factors. 27 critical risks that affect building construction projects were identified. A Bayesian Belief Network (BBN) model was developed by structural learning and used to examine the cause and effect relationship amongst the 27 critical risk factors. The developed BBN model was subjected to validation using a multiple case study of two building construction projects in Nigeria. The result showed the interrelation between the 27 risk factors and how they contributed to cost and time overruns as well as quality problems. The critical risks directly affecting the cost of building construction project were: fluctuation of material prices; health and safety issues; bribery and corruption; material wastage; poor site management and supervision; and time overruns. The critical factors identified to directly affect quality were: supply of defective materials; working under harsh conditions; improper construction methods; lack of protective equipment; ineffective time allocation; poor communication between involved stakeholders; and unsuitable leadership style. Time overruns on building construction projects was directly caused by: quality problems; low productivity; improper construction methods; poor communication between involved parties; delayed payments in contracts; and poor site management and supervision. As a consolidation of the findings of this research, a BBN model for identifying risk factors that directly affect time, cost and quality on building construction projects has been developed which has the potential for assisting construction stake holders to manage risks on their projects. In view of the findings, a best practice system for risk management in building construction projects in Nigeria has been developed with an implementation guide to help building construction practitioners to successfully implement risk management on their building construction projects. Suitable risk responses, also in the form of recommendations have been identified. The strategies include actions to be taken to respond to risks based on their perceived significance or acceptability as well as some positive risk responses, such as exploiting, sharing, enhancing and accepting, and other negative risk responses, such as avoidance, mitigation transfer and acceptance.
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Books on the topic "Delays in Projects"

1

Oztas, Ahmet. The mitigation of the effects of delays in construction projects: A knowledge based system approach. Manchester: UMIST, 1995.

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2

Council, Canadian Judicial. Delays project. Ottawa: The Council, 1992.

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Bosley, Michael John. An experimental investigation of time delays in software project staffing. Monterey, Calif: Naval Postgraduate School, 1994.

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United States. Government Accountability Office. Department of Energy: Major construction projects need a consistent approach for assessing technology readiness to help avoid cost increases and delays : report to the Subcommittee on Energy and Water Development, and Related Agencies, Committee on Appropriations, House of Representatives. Washington, D.C: GAO, 2007.

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Delays in funding mass transit: Hearing before the Committee on Banking, Housing, and Urban Affairs, United States Senate, One Hundred Sixth Congress, second session on the ability of the U.S. Department of Labor to delay or to derail mass transit projects that have been approved and funded by Congress, April 25, 2000. Washington: U.S. G.P.O., 2001.

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California. Legislature. Assembly. Committee on Transportation. Hearing on state transportation improvement program project delays, September 30, 1987, Los Angeles, California. Sacramento, CA: The Committee, 1987.

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Tsitsirigos, Christos. The effect of leadership on project delays in small and medium construction companies in Greece. Portsmouth: University of Portsmouth, 2003.

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Office, General Accounting. Software systems: SSA encountering significant delays in its claims modernization project : report to congressional requesters. Washington, D.C: The Office, 1986.

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Vandiver, Richard D. An evaluation of the Massachusetts trial court triage project. Andover, Mass: National Center for State Courts, Northeastern Regional Office, 1990.

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Vandiver, Richard D. An evaluation of the Massachusetts Trial Court Triage Project. Andover, Mass: National Center for State Courts, Northeastern Regional Office, 1989.

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Book chapters on the topic "Delays in Projects"

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Kalebuka, Chaali, Erastus Mwanaumo, and Wellington Didibhuku Thwala. "Causes of Delays in Mega Projects—Case of the Zambian Transmission Power Projects." In Proceedings of the 21st International Symposium on Advancement of Construction Management and Real Estate, 435–49. Singapore: Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-6190-5_39.

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Haji-kazemi, Sara, Emrah Arica, Marco Semini, Erlend Alfnes, and Bjørn Andersen. "Detecting Early Warning Signs of Delays in Shipbuilding Projects." In Advances in Production Management Systems: Innovative Production Management Towards Sustainable Growth, 215–22. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-22759-7_25.

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Kostka, Genia, and Niklas Anzinger. "Offshore Wind Power Expansion in Germany: Scale Patterns, and Causes of Time Delays and Cost Overruns." In Large Infrastructure Projects in Germany, 147–89. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-29233-5_5.

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Badampudi, Deepika, Samuel A. Fricker, and Ana M. Moreno. "Perspectives on Productivity and Delays in Large-Scale Agile Projects." In Lecture Notes in Business Information Processing, 180–94. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-38314-4_13.

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Ametepey, Simon Ofori, William Gyadu-Asiedu, and Millicent Assah-Kissiedu. "Causes-Effects Relationship of Construction Project Delays in Ghana: Focusing on Local Government Projects." In Advances in Human Factors, Sustainable Urban Planning and Infrastructure, 84–95. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-60450-3_9.

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Adam, Abderisak, Per-Erik Josephson, and Göran Lindahl. "Implications of Cost Overruns and Time Delays on Major Public Construction Projects." In Proceedings of the 19th International Symposium on Advancement of Construction Management and Real Estate, 747–58. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-46994-1_61.

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Shivambu, Xitshembiso, and Wellington Didibhuku Thwala. "Assessment of the Delays in the Delivery of Public Sector Projects in South Africa." In Advances in Intelligent Systems and Computing, 902–8. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-11051-2_138.

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Shivambu, X., and Wellington Didibhuku Thwala. "The Causes of Delays in the Delivery of Construction Projects: A Review of Literature." In Proceedings of the 17th International Symposium on Advancement of Construction Management and Real Estate, 715–20. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-35548-6_74.

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El Sayed, Ahmed, Emad Mamoua, and Adnan Novalić. "The Lack of Techniques Used in Management as a Factor Causing Delays in Construction Projects in B&H and Other Delay Factors Detected." In New Technologies, Development and Application II, 728–35. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-18072-0_84.

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de Toledo, Saulo S., Antonio Martini, and Dag I. K. Sjøberg. "Improving Agility by Managing Shared Libraries in Microservices." In Agile Processes in Software Engineering and Extreme Programming – Workshops, 195–202. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-58858-8_20.

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Abstract Using microservices is a way of supporting an agile architecture. However, if the microservices development is not properly managed, the teams’ development velocity may be affected, reducing agility and increasing architectural technical debt. This paper investigates how to manage the use of shared libraries in microservices to improve agility during development. We interviewed practitioners from four large international companies involved in microservices projects to identify problems when using shared libraries. Our results show that the participating companies had issues with shared libraries as follows: coupling among teams, delays on fixes due to overhead on libraries development teams, and need to maintain many versions of the libraries. Our results highlight that the use of shared libraries may hinder agility on microservices. Thus, their use should be restricted to situations where shared libraries cannot be replaced by a microservice and the costs of replicating the code on each service is very high.
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Conference papers on the topic "Delays in Projects"

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Ellingsen, Hans Petter, and Hyun Chang Shin. "Reducing Project Risk and Delays in International Offshore EPC Projects." In ICSOT Korea: Safety of Offshore and Subsea Structures in Extreme and Accidental Conditions. RINA, 2015. http://dx.doi.org/10.3940/rina.icsot15k.2015.13.

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Arantes, Amilcar, Pedro Fernandez da Silva, and Luis Miguel D. F. Ferreira. "Delays in construction projects - causes and impacts." In 2015 International Conference on Industrial Engineering and Systems Management (IESM). IEEE, 2015. http://dx.doi.org/10.1109/iesm.2015.7380293.

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Arantes, Amílcar, and Luís Miguel D. F. Ferreira. "Causes of Delays in Portuguese Construction Projects." In International Conference on Operations Research and Enterprise Systems. SCITEPRESS - Science and and Technology Publications, 2015. http://dx.doi.org/10.5220/0005214501160124.

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Estrada, Trilce, Michela Taufer, and Kevin Reed. "Modeling Job Lifespan Delays in Volunteer Computing Projects." In 2009 9th IEEE/ACM International Symposium on Cluster Computing and the Grid. IEEE, 2009. http://dx.doi.org/10.1109/ccgrid.2009.69.

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Ali, Noori, and Payjor Abdullah. "ime Overrun in Construction Projects of Sulaimani City." In INTERNATIONAL CONFERENCE ON ARCHITECTURAL AND CIVIL ENGINEERING 2020. Cihan University-Erbil, 2021. http://dx.doi.org/10.24086/aces2020/paper.260.

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Several constructional projects in Sulaimani face to the delay, during the stages of designing and implementation. The delay refers to various causes. There are several key persons) resources) (templates) (clients) (factors) (characteristics) (parameters) that have direct effects on delay of the projects. The study was conducted and depended on two different methods practical and theoretical parts, for performing practical part two specific elites were chose, the first elite was the expert engineers that had actual practical involvement in construction projects and the second elite was the contractors that had a real suffering from delays of their projects. While the theoretical part was depended on reviews for the existing studies to collect information. The practical result showed that the five most effective key persons were the (1-Laws and Regulations, 2-Contractor, 3-Designer, 4-Resident Engineer, 5-Site Location) seriously. While the reviewed results for the existing studies showed (1-Designer, 2-Finance/payment, 3-Weather, 4-Unforseen circumstances, 5-Lack of Site management by Contractor). Keywords: Constructional projects delay, Time extension, Mistakes of design, Plan and scheduling, Variation order.
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Choetkiertikul, Morakot, Hoa Khanh Dam, Truyen Tran, and Aditya Ghose. "Predicting Delays in Software Projects Using Networked Classification (T)." In 2015 30th IEEE/ACM International Conference on Automated Software Engineering (ASE). IEEE, 2015. http://dx.doi.org/10.1109/ase.2015.55.

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Ezeldin, A. Samer, and Mohamed Abdel-Ghany. "Causes of Construction Delays for Engineering Projects: An Egyptian Perspective." In Architectural Engineering Conference 2013. Reston, VA: American Society of Civil Engineers, 2013. http://dx.doi.org/10.1061/9780784412909.006.

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Alkharmany, Abdullah, Kassim Gidado, and Noel Painting. "Delays to Mechanical Services-Type Projects Associated with National Culture in Saudi Arabia." In International Conference on Engineering, Project, and Production Management. Association of Engineering, Project, and Production Management, 2014. http://dx.doi.org/10.32738/ceppm.201411.0015.

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Alotaibi, Nasser, Monty Sutrisna, and Heap-Yih Chong. "Managing Critical Factors Causing Delays in Public Construction Projects in Kingdom of Saudi Arabia." In International Conference on Engineering, Project, and Production Management. Association of Engineering, Project, and Production Management, 2015. http://dx.doi.org/10.32738/ceppm.201509.0013.

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Khan, Rao Aamir, and Warda Gul. "Emperical study of critical risk factors causing delays in construction projects." In 2017 9th IEEE International Conference on Intelligent Data Acquisition and Advanced Computing Systems: Technology and Applications (IDAACS). IEEE, 2017. http://dx.doi.org/10.1109/idaacs.2017.8095217.

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Reports on the topic "Delays in Projects"

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Bordat, Claire, Bob McCullouch, and Kumares Sinha. An Analysis of Cost Overruns and Time Delays of INDOT Projects. West Lafayette, IN: Purdue University, 2004. http://dx.doi.org/10.5703/1288284313134.

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Michael Volk and Keith Wisecarver. Fundamentals of Delayed Coking Joint Industry Project. Office of Scientific and Technical Information (OSTI), September 2003. http://dx.doi.org/10.2172/902706.

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Michael Volk and Keith Wisecarver. Fundamentals of Delayed Coking Joint Industry Project. Office of Scientific and Technical Information (OSTI), September 2004. http://dx.doi.org/10.2172/902707.

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Volk Jr., Michael, Keith D. Wisecarver, and Charles M. Sheppard. Fundamentals of Delayed Coking Joint Industry Project. Office of Scientific and Technical Information (OSTI), February 2003. http://dx.doi.org/10.2172/807578.

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Michael Volk Jr and Keith Wisecarver. Fundamentals of Delayed Coking Joint Industry Project. Office of Scientific and Technical Information (OSTI), October 2005. http://dx.doi.org/10.2172/889503.

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Ensor, H. B., Eugene M. Wilson, and M. Cassandra Hill. Historic Resources Assessment, Tennessee-Tombigbee Waterway Wildlife Mitigation Project, Mobile and Tensaw River Deltas, Alabama. Fort Belvoir, VA: Defense Technical Information Center, March 1993. http://dx.doi.org/10.21236/ada266662.

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Frame, Emily Anne, Madison Theresa Andrews, and William L. Myers. Refinement of Measurement Technique Using Delayed Neutrons to Determine Enrichment of Shielded Uranium (NA-22 Project). Office of Scientific and Technical Information (OSTI), September 2017. http://dx.doi.org/10.2172/1392784.

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Frame, Emily Anne, Madison Theresa Andrews, and William L. Myers. Refinement of Measurement Technique Using Delayed Neutrons To Determine Enrichment of Shielded Uranium (NA-22 Project). Office of Scientific and Technical Information (OSTI), August 2017. http://dx.doi.org/10.2172/1375144.

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Kodupuganti, Swapneel R., Sonu Mathew, and Srinivas S. Pulugurtha. Modeling Operational Performance of Urban Roads with Heterogeneous Traffic Conditions. Mineta Transportation Institute, January 2021. http://dx.doi.org/10.31979/mti.2021.1802.

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The rapid growth in population and related demand for travel during the past few decades has had a catalytic effect on traffic congestion, air quality, and safety in many urban areas. Transportation managers and planners have planned for new facilities to cater to the needs of users of alternative modes of transportation (e.g., public transportation, walking, and bicycling) over the next decade. However, there are no widely accepted methods, nor there is enough evidence to justify whether such plans are instrumental in improving mobility of the transportation system. Therefore, this project researches the operational performance of urban roads with heterogeneous traffic conditions to improve the mobility and reliability of people and goods. A 4-mile stretch of the Blue Line light rail transit (LRT) extension, which connects Old Concord Rd and the University of North Carolina at Charlotte’s main campus on N Tryon St in Charlotte, North Carolina, was considered for travel time reliability analysis. The influence of crosswalks, sidewalks, trails, greenways, on-street bicycle lanes, bus/LRT routes and stops/stations, and street network characteristics on travel time reliability were comprehensively considered from a multimodal perspective. Likewise, a 2.5-mile-long section of the Blue Line LRT extension, which connects University City Blvd and Mallard Creek Church Rd on N Tryon St in Charlotte, North Carolina, was considered for simulation-based operational analysis. Vissim traffic simulation software was used to compute and compare delay, queue length, and maximum queue length at nine intersections to evaluate the influence of vehicles, LRT, pedestrians, and bicyclists, individually and/or combined. The statistical significance of variations in travel time reliability were particularly less in the case of links on N Tryon St with the Blue Line LRT extension. However, a decrease in travel time reliability on some links was observed on the parallel route (I-85) and cross-streets. While a decrease in vehicle delay on northbound and southbound approaches of N Tryon St was observed in most cases after the LRT is in operation, the cross-streets of N Tryon St incurred a relatively higher increase in delay after the LRT is in operation. The current pedestrian and bicycling activity levels seemed insignificant to have an influence on vehicle delay at intersections. The methodological approaches from this research can be used to assess the performance of a transportation facility and identify remedial solutions from a multimodal perspective.
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Akinleye, Taiwo, Idil Deniz Akin, Amanda Hohner, Indranil Chowdhury, Richards Watts, Xianming Shi, Brendan Dutmer, James Mueller, and Will Moody. Evaluation of Electrochemical Treatment for Removal of Arsenic and Manganese from Field Soil. Illinois Center for Transportation, June 2021. http://dx.doi.org/10.36501/0197-9191/21-019.

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Soils containing inorganic compounds are frequently encountered by transportation agencies during construction within the right-of-way, and they pose a threat to human health and the environment. As a result, construction activities may experience project delays and increased costs associated with management of inorganic compounds containing soils required to meet environmental regulations. Recalcitrance of metal-contaminated soils toward conventional treatment technologies is exacerbated in clay or organic content-rich fine-grained soils with low permeability and high sorption capacity because of increased treatment complexity, cost, and duration. The objective of this study was to develop an accelerated in situ electrochemical treatment approach to extract inorganic compounds from fine-grained soils, with the treatment time comparable to excavation and off-site disposal. Three reactor experiments were conducted on samples collected from two borehole locations from a field site in Illinois that contained arsenic (As)(~7.4 mg/kg) and manganese (Mn)(~700 mg/kg). A combination of hydrogen peroxide (H2O2) and/or citrate buffer solution was used to treat the soils. A low-intensity electrical field was applied to soil samples using a bench-scale reactor that resembles field-scale in situ electrochemical systems. For the treatment using 10% H2O2 and citrate buffer solution, average removal of 23% and 8% were achieved for Mn and As, respectively. With 4% H2O2 and citrate buffer, 39% and 24% removal were achieved for Mn and As; while using only citrate buffer as the electrolyte, 49% and 9% removal were achieved for Mn and As, respectively. All chemical regimes adopted in this study reduced the inorganic compound concentrations to below the maximum allowable concentration for Illinois as specified by the Illinois Environmental Protection Agency. The results from this work indicate that electrochemical systems that leverage low concentrations of hydrogen peroxide and citrate buffer can be effective for remediating soils containing manganese and arsenic.
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