scholarly journals Understanding the fall-related safety issues in concrete formwork

2021 ◽  
Vol 263 ◽  
pp. 02007
Author(s):  
Vigneshkumar Chellappa ◽  
Urmi Ravindra Salve

The construction industry recorded high rates of fatalities and injuries due to falls at the workplace. Among other activities, concrete formwork tends to have more fatal falls. This study aims to understand the fall-related safety issues in the formwork lifecycle of construction projects. To achieve this, the process of formwork activities was mapped, and the safety risks associated with each activity were classified. Method development and risk identification focused on interviews with construction professionals involved in the construction of formwork and site observations of the formwork activities. The overall finding was that pouring, stripping, and erection activities have more issues related to falls. Future research is being carried out to assess the risks of falls from the construction experts’ views to prevent fall accidents in the future.

2020 ◽  
Vol 25 (2) ◽  
pp. 93-127
Author(s):  
Berenger Yembi Renault ◽  
Justus Ngala Agumba ◽  
Nazeem Ansary

The quest for delivering successful construction projects has urged South African small and medium enterprises (SMEs) to adopt risk management in their projects. However, it has been evinced that SMEs projects in South Africa especially in the Gauteng province have encountered poor performances. Thus, this article determines core risk management factors influencing project outcome of SMEs. A deductive approach was embraced using a questionnaire. The data were collected from 181 conveniently sampled respondents in Gauteng, graded from Grade 1 to 6 of the CIDB (Construction Industry Development Board) grading system. The Statistical Package for the Social Science (SPSS) version 23 was used to analyse the data by computing exploratory factor analysis and multiple regression analysis. It was revealed that SMEs performance outcome is influenced by eight risk management factors. The influential factors are organisational environment, defining project objectives, resource requirements, risk measurement, risk identification, risk assessment, risk response and action planning and monitoring, review and continuous improvement. The risk management factors established in this article are reliable and valid in projects undertaken by SMEs in the South African construction industry and the findings can serve as a guideline for contractors to achieve success in this context. The study may be repeated in other countries globally, however, it cannot be generalised due to the restrictions pertaining to the geographical area.


2021 ◽  
Vol 318 ◽  
pp. 02003
Author(s):  
Hassan Kamal Alhilli ◽  
Sedki I. Rezoqi

Changes are a common phenomenon in the construction industry, impacting the project's cost, time, and performance. The purpose of this work is to a comprehensive review relating to variation order causes. Also, the aim here is to determine variation order causes in the building’s construction. More importantly, explore the relationship between these causes. However, the importance of specifying the causes for change orders is the first step in managing variation orders to reduce the harmful effect on a project. The field survey was conducted for several institutions such as health (Karkh’s health), higher education (University of Baghdad and University of Kufa). As a result, a field visit was made to the project sites. They were then, Conducting interviews with the resident engineer, the consultant, and the contractor. A developer tool called cause (variation orders) breakdown structure (CBS) included 12 causes at the first level, including 103 sub-causes. There is a relationship between the variation orders causes, which is evident in the third level. The study recommends adopting (CBS) a comprehensive reference for variation order causes in projects due to facilitating their management processes. Future research could examine the relative importance of variation order causes, in addition to using a fuzzy cognitive map to find the extent of each cause’s influence on the other.


2021 ◽  
Author(s):  
Michael Donn ◽  
Alexis Dykman ◽  
Nilesh Bakshi

This research investigates how contingency is currently calculated in project budgets within the building industry. This is an important aspect to consider as a large proportion of construction projects are significantly over-budget. The study presents three non-simulation methods and one simulation method for calculating cost contingency following the results of a forthcoming journal paper. These methods are applied against a case study project in attempt to highlight the most reliable method, and to create a methodology that will be useful to the industry. This paper identifies that the traditional fixed percentage approach is not sufficient and suggests that this could be one of the main reasons why construction projects are over budget. While it is unclear which method is the most reliable, this study provides a focus for future research into reliability and utilisation of contingency methods in the building industry. The research demonstrates that current practice needs to change to reduce the large number of construction projects that run over budget.


2020 ◽  
Vol 10 (6) ◽  
pp. 6418-6421
Author(s):  
V. T. Phan

Risk management is an important task in construction management that helps the contractor to actively identify, evaluate, control, and minimize negative impacts of risks on the project, thereby ensuring its effectiveness. People involved in the construction industry need to be well - equipped with information and knowledge to manage risks adequately and systematically. The purpose of this research is to explore the attitude towards risk and risk management in construction projects of the Vietnamese construction industry, with emphasis on the perspective of contractors. The research data are collected through a questionnaire associated with in-depth semi-structured interviews. The results indicate that the perception of risk within the Vietnamese construction industry includes both threats and opportunities. The majority of professionals in the industry have a risk-neutral approach, contrary to previous research. The importance of implementing effective risk management is shared, in the planning and production phase while risk identification was perceived to be the most important out of the four core processes.


2010 ◽  
Vol 16 (4) ◽  
pp. 499-509 ◽  
Author(s):  
Romuald A. Rwamamara ◽  
Ove Lagerqvist ◽  
Thomas Olofsson ◽  
Bo M. Johansson ◽  
Kazys Algirdas Kaminskas

Many construction work tasks are physically very strenuous and the incidence of work‐related musculoskeletal disorders (WMSDs) among construction workers is considerably higher than those in most other occupations. The aim of the study presented in this paper was to contribute to understanding a healthy construction site brought about by the best practices implemented by large construction sites to prevent WMSDs. A triangulation method made of interviews, site observations and studies on company's documents was used to identify the best practices in 13 several construction projects. A range of the best practices both in the pre‐construction and construction phases of the projects were identified in six different areas of the balance of the construction workplace system; however, there seems to be a significant need for good practices in the management of a systematic work environment. It is now established that Swedish construction industry has several best practices to protect work‐related musculoskeletal health. However, inadequate worker participation and the neglect of health and safety issues by designers in the planning process as well as the implications of some remuneration methods on the production schedule were perceived as detrimental to the musculoskeletal health of construction workers. Santrauka Daug statybos darbu yra fiziškai labai itempti, o su darbu susijusiu raumenu ir skeleto sistemos pažeidimu dažnis tarp statybininku yra kur kas aukštesnis negu tarp daugelio kitu profesiju. Šio tyrimo tikslas – pletoti supratima apie sveikatos būkle ir jos svarba dirbant statybu aikštelese, igyvendinant didelius statybos objektus, siekiant išvengti su darbu susijusiu raumenu ir skeleto sistemos pažeidimu. Tyrimams buvo taikytas interviu, pagristas trianguliacijos metodu, darbo procesu stebejimo statybos aikštelese metodas, buvo nagrineti statybos kompaniju dokumentai, siekiant identifikuoti 13 skirtingu statybos projektu. Geriausia praktika, prieš pradedant statybas ir jau statant, buvo nustatyta šešiuose skirtinguose statybu regionuose, tačiau tokia praktika yra svarbi darbo aplinkos vadyboje. Pripažinta, kad Švedijos statybos pramoneje taikomi keli būdai, kaip apsaugoti statybininkus nuo raumenu ir skeleto sistemos pažeidimu. Vis delto mažas darbininku domejimasis šia problema, sveikatos bei saugos problemu nepaisymas planavimo procese, kai kuriu atsilyginimo būdu itraukimas i gamybos veiksniu saraša buvo vertinti kaip faktoriai, žalingai veikiantys statybininku raumenu ir skeleto sistema.


2016 ◽  
Vol 78 (5-3) ◽  
Author(s):  
Nurzawani Md Sofwan ◽  
Afzan Ahmad Zaini ◽  
Siti Akhtar Mahayuddin

The construction industry is one of the risky workplaces attributable to its complexity and dynamic nature of construction activities. High rise building construction remains predominant for high accident rates counted yearly. A site-specific assessment tool that considers the characteristics and changeable conditions of the currently managed construction site is necessary to precisely assess safety risks. Therefore, this study aims to address the significant safety risks and principal factors associated with the high rise building construction projects in Malaysia. Responses obtained within the construction management personnel are evaluated using factor analysis to understand the latent critical risk factors. Preliminary findings suggest that all safety risks are significant and working environment is identified as the most critical principal factor which consists of diverse underlying safety risks with high loading factors. Successful investigations of the study will lead to the development of a high rise building construction safety and health risk model. From the practical view, these findings should assist the high rise construction project participants to be more attentive to health and safety issues. 


2022 ◽  
Vol 14 (2) ◽  
pp. 894
Author(s):  
Daniel W. M. Chan ◽  
Douglas O. Aghimien

In Hong Kong, the accident statistics of the construction industry is still comparatively higher than other industries. However, accident rates within the industry have significantly decreased, starting from the implementation of diverse safety initiatives, including the Safe Working Cycle (SWC). In this study, a post-positivist philosophical stance was adopted, and a questionnaire survey was launched to gather empirical data on the application of SWC in construction projects, the effectiveness of the safety initiative, and the benefits thereof. The data gathered from 197 construction participants were analysed using descriptive statistics, mean score, Mann–Whitney U-Test, Kendall’s concordance analysis, Chi-square value, Spearman rank-order correlation test and exploratory factor analysis. The findings revealed significant adoption of SWC in the Hong Kong construction industry. Furthermore, daily, weekly, and monthly inspections and supervisions and safety committee meetings are effective items of this safety initiative. The benefits of adopting SWC can be grouped into the safety of frontline workers and increase in the organisation’s safety commitment and reputation. This study has created an excellent theoretical platform for future research work on the usefulness of the SWC in the construction industry at large.


2021 ◽  
Vol 1 (47) ◽  
pp. 26-36
Author(s):  
I. Rudnieva

Recently, a significant number of scientists' works have been devoted to the application of the lean-production principles, in particular, the introduction of lean construction. Objective construction cost estimation is a key factor in construction projects. The article discusses the problems, significant losses, low productivity in construction companies and the possibilities of their elimination due to the use of the lean-construction management concept as an innovative approach in modeling the structure of the standard time determining for construction processes implementation in order to increase the company's competitiveness. The productivity of the construction industry worldwide has been falling for the past 40 years. Companies must use appropriate methods to reduce their losses and increase productivity levels so that they can stand in the rapidly changing competitive environment of the current business environment. One of the approaches to improving the situation is the use of "lean management" in the construction industry is the result of the desire of construction business owners to optimize costs and increase labor productivity, the efficiency of organizational and technological processes, and introduce lean- production in the construction industry. A huge number of scientists and construction professionals are trying to change the traditional organizational and technological form of construction production and add value to owners, while making real profits. As a result, lean manufacturing tools have emerged that have been successfully applied to simple and complex construction projects. Ukraine is very far behind in terms of the development level of innovative processes from many countries of the world. Outdated ENiR norms, which were developed without taking into account the Lean strategy, need to be finalized. Of course, the introduction of a lean manufacturing system is a topic for the near future. Thanks to this, it is possible to significantly reduce the cost overruns on projects, as well as the time of their implementation up to 30%, or even more. Therefore, future research objective should be the development of a new modern methodology for determining the standard time, which will take into account the criteria of lean technologies, as an innovative approach in modeling the structure and sequence of all operations of construction processes.


2021 ◽  
Author(s):  
Michael Donn ◽  
Alexis Dykman ◽  
Nilesh Bakshi

This research investigates how contingency is currently calculated in project budgets within the building industry. This is an important aspect to consider as a large proportion of construction projects are significantly over-budget. The study presents three non-simulation methods and one simulation method for calculating cost contingency following the results of a forthcoming journal paper. These methods are applied against a case study project in attempt to highlight the most reliable method, and to create a methodology that will be useful to the industry. This paper identifies that the traditional fixed percentage approach is not sufficient and suggests that this could be one of the main reasons why construction projects are over budget. While it is unclear which method is the most reliable, this study provides a focus for future research into reliability and utilisation of contingency methods in the building industry. The research demonstrates that current practice needs to change to reduce the large number of construction projects that run over budget.


Author(s):  
Nur Emma Mustaffa ◽  
Hamizah Liyana Tajul Ariffin ◽  
Norazam Othman ◽  
Shahida Shaima Shamsudin

Conditional payment such as “pay when paid” or “pay if paid” can create negative chain effect on the parties in construction projects, resulting in delay on the completion of a project, adversarialism and may affect a contractor’s reputation. Asian International Arbitration Centre (AIAC) has launched a standard form of contract which is Construction Industry Payment Adjudication Act (CIPAA) compliance with the aim to reduce payment issues. The aim of the research is to identify whether the clause for “direct payment under CIPAA 2012” of the new AIAC standard form of contract can facilitate problems in direct payment.  In achieving the aim of the research, five legal cases were analysed and thirty questionnaires forms were distributed. Legal cases analysis findings highlighted that the major reasons of the direct payment issue being referred to court is due to the validity of the direct payment agreement between the disputant’s parties. Based on the cases heard before CIPAA enactment, the findings show that out of the three cases,  the disputants went to litigation because of the legality of direct payment agreements. Most of the agreements were made orally. For cases analysed after CIPAA was enacted, the findings show that the disputant parties do not opt for adjudication and that the main contractors try to mitigate their responsibilities to the employer. The results from the questionnaires distributed established that,  the direct payment clause could be successfully adopted for future use of the industry. Eventhough the AIAC standard form of contract has been formally introduced to the industry, but it is not widely used. From the findings of the questionnaire, it shows that with encouragement and support from the industry, direct payment clause of AIAC standard form of contract have the potential in reducing payment issues in the future. With the remodeling of standard form of contracts that are available in construction industry to be CIPAA compliance ,  it is hoped that this move may scale down the prevalent payment issues in Malaysian construction industry.


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