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1 – 5 of 5Olivia McDermott, Kevin ODwyer, John Noonan, Anna Trubetskaya and Angelo Rosa
This study aims to improve a construction company's overall project delivery by utilising lean six sigma (LSS) methods combined with building information modelling (BIM) to…
Abstract
Purpose
This study aims to improve a construction company's overall project delivery by utilising lean six sigma (LSS) methods combined with building information modelling (BIM) to design, modularise and manufacture various building elements in a controlled factory environment off-site.
Design/methodology/approach
A case study in a construction company utilised lean six sigma (LSS) methodology and BIM to identify non-value add waste in the construction process and improve sustainability.
Findings
An Irish-based construction company manufacturing modular pipe racks for the pharmaceutical industry utilised LSS to optimise and standardise their off-site manufacturing (OSM) partners process and leverage BIM to design skids which could be manufactured offsite and transported easily with minimal on-site installation and rework required. Productivity was improved, waste was reduced, less energy was consumed, defects were reduced and the project schedule for completion was reduced.
Research limitations/implications
The case study was carried out on one construction company and one construction product type. Further case studies would ensure more generalisability. However, the implementation was tested on a modular construction company, and the methods used indicate that the generic framework could be applied and customized to any offsite company.
Originality/value
This is one of the few studies on implementing offsite manufacturing (OSM) utilising LSS and BIM in an Irish construction company. The detailed quantitative benefits and cost savings calculations presented as well as the use of the LSM methods and BIM in designing an OSM process can be leveraged by other construction organisations to understand the benefits of OSM. This study can help demonstrate how LSS and BIM can aid the construction industry to be more environmentally friendly.
Tan Tan, Grant Mills, Xiaolin Ma and Eleni Papadonikolaki
Off-Site Construction (OSC) has received much government and public attention during and after COVID. Building Information Modelling (BIM) is an initiative discussed widely to…
Abstract
Purpose
Off-Site Construction (OSC) has received much government and public attention during and after COVID. Building Information Modelling (BIM) is an initiative discussed widely to promote OSC implementation. Although many policy promotions have been published, there are many challenges to implementing BIM and OSC in real life and questions of whether they really offer value to healthcare design professionals. This research aims to investigate BIM and OSC to understand their commonalities and differences of challenges by collecting empirical evidence from China’s healthcare construction.
Design/methodology/approach
This exploratory research adopted a mixed method with a questionnaire survey and interviews. A total of 261 questionnaires were received (with 183 valid), followed by 31 semi-structured interviews.
Findings
This research reveals that although both OSC and BIM face similar adoption challenges and suspicious attitudes in real-life projects, their challenges’ connotations and reasons are different. OSC faces scepticism for its customisation costs and technical constraints, while BIM is seen as limited in utility and complex to integrate. Highlighting these as socio-technical challenges, the research advocates for an integrated framework to effectively implement OSC and BIM, addressing both technical and collaborative needs in healthcare construction.
Originality/value
This research examines OSC and BIM within the context of healthcare construction, a focus that is relatively underexplored. The research provides a juxtaposition of the perceived and practical challenges of adopting these technologies, revealing a gap between the industry’s expectations and the current capabilities of OSC and BIM, thereby contributing to the development of modern methods of design in healthcare.
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Lars Stehn and Alexander Jimenez
The purpose of this paper is to understand if and how industrialized house building (IHB) could support productivity developments for housebuilding on project and industry levels…
Abstract
Purpose
The purpose of this paper is to understand if and how industrialized house building (IHB) could support productivity developments for housebuilding on project and industry levels. The take is that fragmentation of construction is one explanation for the lack of productivity growth, and that IHB could be an integrating method of overcoming horizontal and vertical fragmentation.
Design/methodology/approach
Singe-factor productivity measures are calculated based on data reported by IHB companies and compared to official produced and published research data. The survey covers the years 2013–2020 for IHB companies building multi-storey houses in timber. Generalization is sought through descriptive statistics by contrasting the data samples to the used means to control vertical and horizontal fragmentation formulated as three theoretical propositions.
Findings
According to the results, IHB in timber is on average more productive than conventional housebuilding at the company level, project level, in absolute and in growth terms over the eight-year period. On the company level, the labour productivity was on average 10% higher for IHB compared to general construction and positioned between general construction and general manufacturing. On the project level, IHB displayed an average cost productivity growth of 19% for an employed prefabrication degree of about 45%.
Originality/value
Empirical evidence is presented quantifying so far perceived advantages of IHB. By providing analysis of actual cost and project data derived from IHB companies, the article quantifies previous research that IHB is not only about prefabrication. The observed positive productivity growth in relation to the employed prefabrication degree indicates that off-site production is not a sufficient mean for reaching high productivity and productivity growth. Instead, the capabilities to integrate the operative logic of conventional housebuilding together with logic of IHB platform development and use is a probable explanation of the observed positive productivity growth.
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Ashlin Oglesby-Neal, Bryce E. Peterson and Daniel S. Lawrence
This study explores how various officer and event-level factors influence Milwaukee Police Department officers’ decision to activate their body-worn cameras (BWCs) across both…
Abstract
Purpose
This study explores how various officer and event-level factors influence Milwaukee Police Department officers’ decision to activate their body-worn cameras (BWCs) across both community member-initiated services and officer-initiated activities.
Design/methodology/approach
Across the 1,052 officers and 1,066,112 officer-events in the sample, we use descriptive and logistical regressions to assess differences in BWC activations across calls for service and officer-initiated activities.
Findings
We found similar activation rates between calls for service (41.5%) and officer-initiated activities (44.1%). However, our logistic regression analysis results suggest the explanatory power of the event and officer-level variables was substantially better in models examining officer-initiated activities. Among calls for service, officers were more likely to activate BWCs during calls involving crimes against persons compared to other crimes or non-criminal incidents. Activation was more frequent during traffic stops than other self-initiated activities. Activation increased when the event resulted in an advisement, citation, detention or arrest.
Originality/value
The success of police BWC programs hinges on whether officers activate their cameras when interacting with community members. Findings suggest that officers are more likely to activate their BWCs during activities that involve direct interactions with community members, especially in situations with a higher potential for volatility or serious criminal implications.
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Much empirical work has examined body-worn cameras (BWCs), and there is a growing interest in early intervention systems (EISs) in policing. Whether the effects of these…
Abstract
Purpose
Much empirical work has examined body-worn cameras (BWCs), and there is a growing interest in early intervention systems (EISs) in policing. Whether the effects of these accountability mechanisms are stable by officer gender and race remains unknown – important assumptions of each program despite differences in misconduct levels and policing practices by subgroups of officers (i.e. male vs female officers, White vs Black and Hispanic officers).
Design/methodology/approach
The current study uses data from a large Southwestern police department to examine the influence of BWCs and an EIS on alleged and sustained patrol officer misconduct between January 1, 2016 and December 31, 2020.
Findings
In line with expectations and the intended goal of these programs, the effects of BWCs and the EIS on officer misconduct were stable by officer gender and race.
Originality/value
Given the importance of addressing officer misconduct to build and maintain community trust and the rapid expansion of BWCs and EISs across the United States, it is vital that police departments consider the accountability programs they implement and the equity of these programs. The current study provides insight into this process in one agency and offers policy implications and directions for future research.
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