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Journal Cover Australasian Journal of Construction Economics and Building
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  This is an Open Access Journal Open Access journal
   ISSN (Print) 1445-2634 - ISSN (Online) 1837-9133
   Published by U of Technology Sydney Homepage  [7 journals]
  • Design for safety: theoretical framework of the safety aspect of BIM
           system to determine the safety index

    • Authors: Ai Lin Evelyn Teo, George Ofori, Imelda Krisiani Tjandra, Hanjoon Kim
      Pages: 1 - 18
      Abstract: Despite the safety improvement drive that has been implemented in the construction industry in Singapore for many years, the industry continues to report the highest number of workplace fatalities, compared to other industries. The purpose of this paper is to discuss the theoretical framework of the safety aspect of a proposed BIM System to determine a Safety Index. An online questionnaire survey was conducted to ascertain the current workplace safety and health situation in the construction industry and explore how BIM can be used to improve safety performance in the industry. A safety hazard library was developed based on the main contributors to fatal accidents in the construction industry, determined from the formal records and existing literature, and a series of discussions with representatives from the Workplace Safety and Health Institute (WSH Institute) in Singapore. The results from the survey suggested that the majority of the firms have implemented the necessary policies, programmes and procedures on Workplace Safety and Health (WSH) practices. However, BIM is still not widely applied or explored beyond the mandatory requirement that building plans should be submitted to the authorities for approval in BIM format. This paper presents a discussion of the safety aspect of the Intelligent Productivity and Safety System (IPASS) developed in the study. IPASS is an intelligent system incorporating the buildable design concept, theory on the detection, prevention and control of hazards, and the Construction Safety Audit Scoring System (ConSASS). The system is based on the premise that safety should be considered at the design stage, and BIM can be an effective tool to facilitate the efforts to enhance safety performance. IPASS allows users to analyse and monitor key aspects of the safety performance of the project before the project starts and as the project progresses.
      PubDate: 2016-12-08
      Issue No: Vol. 16, No. 4 (2016)
  • Educational building conditions and the health of users

    • Authors: Abiodun Olatunji Abisuga, Ibukun O. Famakin, Olalekan S. Oshodi
      Pages: 19 - 34
      Abstract: In order to maintain a healthy learning environment, diagnosis and management of defects in the educational facility are paramount. The preliminary results of the ongoing research reported here seek to identify defects associated with educational buildings and their effects on the health of polytechnic students and staff in Nigeria. A questionnaire survey, including 34 defects based on a post-occupancy evaluation (POE) was used to establish relationships with the health of polytechnic students and staff. Two hundred (200) respondents were randomly selected based on their schools (faculty) within Lagos State Polytechnic. Descriptive and inferential statistics were used for analysis of the collected data. The results of the study indicate that defects such as plumbing and dampness problems, cobwebs and dust, are prominent in the institution. Also the relationship between building conditions (defects) and health problems was established, with the predictors of the health problems. Based on the findings, it is important for designers and managers of facilities within tertiary institutions to develop and implement design and maintenance policies targeted at minimizing the likelihood of plumbing, dampness, electrical, cobweb and dust problems in educational buildings due to the health risks induced by the defects. It is evident that effective maintenance schedules and policies should be put in place to ensure that facilities are not left to decay before replacement.
      PubDate: 2016-12-08
      Issue No: Vol. 16, No. 4 (2016)
  • An optimal time incentive/disincentive -based compensation in contracts
           with multiple agents

    • Authors: S. Mahdi Hosseinian
      Pages: 35 - 53
      Abstract: This paper establishes an optimal time incentive/disincentive-based compensation in a contract between a principal and a team of agents. The establishment is based on solving an optimization problem. In order to validate the paper's theoretical development practitioners were engaged in a designed exercise. The paper demonstrates that, at the optimum: the proportion of time incentive/disincentive compensation among agents with the same risk-attitude should reflect the levels of their contributions; the proportion of time incentive/disincentive among agents with the same level of contribution should be lowered for agents with higher levels of risk aversion; and the proportion of time incentive/disincentive to a team of risk averse agents should reduce, and the fixed component of the team fee should increase, when the agents in the team become more risk-averse or the level of the uncertainty in project completion time increases. The paper’s outcome provides guidance to those involved in contracts design for choosing the best way to reward (penalise) multiple agents, form a team, and allow for any time saving (overrun) through the terms of a contract.    
      PubDate: 2016-12-08
      Issue No: Vol. 16, No. 4 (2016)
  • Factors influencing e-Procurement adoption in the Nigerian building

    • Authors: Eziyi Offia Ibem, Egidario Bridget Aduwo, Patience Tunji-Olayeni, Emmanuel Adekunle Ayo-Vaughan, Uwakonye Obioha Uwakonye
      Pages: 54 - 67
      Abstract: Against the backdrop of increasing adoption of e-Procurement in supply chain management, there is a need for adequate knowledge of the factors that influence the decision by organizations in the building industry to use e-Procurement. This study aims to fill the knowledge gap through investigating the factors influencing e-Procurement adoption based on the data sourced in a questionnaire survey involving 213 organizations in the building industry. The survey was conducted between June and November 2015 in Nigeria. Descriptive statistics, factor and categorical regression analyses were used to analyze the data. The results show that the three most important factors influencing the adoption of e-Procurement amongst the participants, in order of importance, were: the benefits of e-Procurement in enhancing efficiency in project delivery; eliminating geographic barriers and effective communication among project team members. The 29 factors were investigated in seven different dimensions - the benefits of e-Procurement use; level of awareness on e-Procurement in construction; and the availability and cost of e-Procurement applications emerged as the three most significant predictors of e-Procurement adoption in the survey. The study concludes by identifying strategies that should be engaged in increasing the uptake and maximizing the benefits of e-Procurement in the Nigerian building industry.   
      PubDate: 2016-12-08
      Issue No: Vol. 16, No. 4 (2016)
  • A Management Maturity Model (MMM) for project-based organisational
           performance assessment

    • Authors: Craig Langston, Amir Naser Ghanbaripour
      Pages: 68 - 85
      Abstract: Common sense suggests that organisations are more likely to deliver successful projects if they have systems in place that reflect a mature project environment based on a culture of continuous improvement. This paper develops and discusses a Management Maturity Model (MMM) to assess the maturity of project management organisations through a customisable, systematic, strategic and practical methodology inspired from the seminal work of Darwin, Deming, Drucker and Daniel. The model presented is relevant to organisations, such as construction and engineering companies, that prefer to use the Project Management Body of Knowledge (PMBOK™ Guide) published by the Project Management Institute (PMI), but without the disadvantages of excessive time and cost commitments and a ‘one size fits all’ approach linked to rigid increments of maturity. It offers a game-changing advance in the application of project-based organisational performance assessment compared to existing market solutions that are unnecessarily complex. The feasibility of MMM is field-tested using a medium-sized data centre infrastructure firm in Tehran.
      PubDate: 2016-12-08
      Issue No: Vol. 16, No. 4 (2016)
  • Predicting the academic success of architecture students by pre-enrolment
           requirement: using machine-learning techniques

    • Authors: Ralph Olusola Aluko, Olumide Afolarin Adenuga, Patricia Omega Kukoyi, Aliu Adebayo Soyingbe, Joseph Oyewale Oyedeji
      Pages: 86 - 98
      Abstract: In recent years, there has been an increase in the number of applicants seeking admission into architecture programmes. As expected, prior academic performance (also referred to as pre-enrolment requirement) is a major factor considered during the process of selecting applicants. In the present study, machine learning models were used to predict academic success of architecture students based on information provided in prior academic performance. Two modeling techniques, namely K-nearest neighbour (k-NN) and linear discriminant analysis were applied in the study. It was found that K-nearest neighbour (k-NN) outperforms the linear discriminant analysis model in terms of accuracy. In addition, grades obtained in mathematics (at ordinary level examinations) had a significant impact on the academic success of undergraduate architecture students. This paper makes a modest contribution to the ongoing discussion on the relationship between prior academic performance and academic success of undergraduate students by evaluating this proposition. One of the issues that emerges from these findings is that prior academic performance can be used as a predictor of academic success in undergraduate architecture programmes. Overall, the developed k-NN model can serve as a valuable tool during the process of selecting new intakes into undergraduate architecture programmes in Nigeria.
      PubDate: 2016-12-08
      Issue No: Vol. 16, No. 4 (2016)
  • Book Review - Understanding Construction Law

    • Authors: Janet Grey
      Pages: 99 - 100
      Abstract: Understanding Construction LawCoggins,J., Davie,T., Ears,T., and Evans, P. (2016). Understanding Construction Law. Chatwood NSW, Australia: LexisNexis Butterworths.
      PubDate: 2016-12-08
      Issue No: Vol. 16, No. 4 (2016)
  • BIM adoption within Australian Small and Medium-sized Enterprises (SMEs):
           an innovation diffusion model

    • Authors: M. Reza Hosseini, Saeed Banihashemi, Nicholas Chileshe, Mehran Oraee Namzadi, Chika Udaeja, Raufdeen Rameezdeen, Tammy McCuen
      Pages: 71 - 86
      Abstract: Despite the envisaged benefits of BIM adoption for SMEs, BIM in SMEs has remained an underrepresented area within the available academic literature. This study proposes and draws upon a framework grounded on innovation diffusion theory (IDT) to provide an illuminating insight into the current state of BIM and the main barriers to BIM adoption within Australian SMEs. Based on analyses of 135 questionnaires completed by SMEs through partial least squares structural equation modelling (PLS-SEM) and grounded on the proposed framework, the current state of BIM adoption and barriers to BIM adoption for SMEs are discussed. The findings show that currently around 42% of Australian SMEs use BIM in Level 1 and Level 2 with only around 5% have tried Level 3. It comes to light that lack of knowledge within SMEs and across the construction supply chain is not a major barrier for Australian SMEs. In essence, the main barriers stem from the risks associated with an uncertain return on investment (ROI) for BIM as perceived by key players in SMEs. The findings also show the validity of the framework proposed for explaining BIM adoption in Australian SMEs.
      PubDate: 2016-09-08
      Issue No: Vol. 16, No. 3 (2016)
  • Assessing construction innovation: theoretical and practical perspectives

    • Authors: Peter Davis, Thayaparan Gajendran, Josephine Vaughan, Toinpre Owi
      Pages: 104 - 115
      Abstract: Innovation is key for productivity improvement and advancements in different sectors of the economy, including the construction sector.  The criticism of the slow pace of innovation in construction industry may be unwarranted, considering the structure of the industry and nature of the construction business.  The loosely coupled nature of firms, mostly Small and Medium Enterprises (SME’s), delivering ‘projects’ through partial engagement, together with the distinction between the project innovation and firm innovation makes it difficult to extract innovations in a meaningful way.  The problem also lies in conceptualising, defining, articulating and assessing innovation in construction.  The literature is replete with research into construction innovation, however, there is limited research into understanding how innovation is perceived and narrated in practice.  The paper aims to explore how innovation is assessed and narrated in construction, specifically analysing theory and practice perspectives.  A theoretical model was constructed from a structured literature review illustrating existing discourse and narratives of construction innovation assessment.  A qualitative analysis of ‘Professional Excellence in Building’ submission documents to the Australian Institute of Building was performed to identify the practice perspective of innovation.  The findings suggest that internal organizational and process innovation account for the majority of improvements identified.  Importantly a taxonomy of narrative is developed that articulates how the construction industry in Australia views industry innovation.
      PubDate: 2016-09-08
      Issue No: Vol. 16, No. 3 (2016)
  • Book Review

    • Authors: Graham Brewer
      Pages: 116 - 117
      Abstract: Book Review: Construction InnovationOrstavik, F., Dainty, A.R.J. and Abbott, C., Eds. (2015). Construction Innovation. West Sussex: WILEY Blackwell. 224 pages. ISBN: 978-1-118-65553-5 
      PubDate: 2016-09-08
      Issue No: Vol. 16, No. 3 (2016)
School of Mathematical and Computer Sciences
Heriot-Watt University
Edinburgh, EH14 4AS, UK
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