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Article
Publication date: 19 August 2019

Techniques and benefits of implementing the last planner system in the Gaza Strip construction industry

Bassam A. Tayeh, Khalid Al Hallaq, Hafiz Zahoor and Abdulla H. Al Faqawi

The purpose of this paper is to prioritize the vital tools/techniques for the effective implementation of the last planner system (LPS) in the cross-cultural setting of a…

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Abstract

Purpose

The purpose of this paper is to prioritize the vital tools/techniques for the effective implementation of the last planner system (LPS) in the cross-cultural setting of a developing country, i.e. Gaza Strip. Besides, the potential benefits of implementing LPS are prioritized.

Design/methodology/approach

The significant techniques and likely benefits of LPS implementations were identified through comprehensive literature, followed by their verification through a pilot study. The quantitative data were collected using a questionnaire survey from 89 companies, operating in the Gaza Strip construction industry. The relative important index was calculated for prioritizing the significant tools/techniques (16) which support the effective LPS implementation, and highlighting the potential benefits (10) achieved through LPS implementation.

Findings

The results showed that the “use of visual devices to spread information in the construction site,” “attendance of key actors” and “look ahead plan” are the most important tools/techniques supporting LPS implementation. The top three potential benefits of implementing LPS include: “allows a better understanding of the program control,” “maximizes the co-operation and confidence among team members” and “allows the manager to better visualize the work program.” To prevent any waste in project time and to ensure the material supply and continuity of works, the study recommends advance supply and storage of demand materials, and early availability of the shop-drawings for acceptance by the superintendent.

Practical implications

The study’s findings are expected to guide the key construction stakeholders to prioritize their energies toward effective LPS implementation in the Gaza Strip.

Originality/value

Though this study pertains to Palestine, its methodology can be generalized in other countries and regions, having a similar work environment, after making necessary cultural adjustments.

Details

Engineering, Construction and Architectural Management, vol. 26 no. 7
Type: Research Article
DOI: https://doi.org/10.1108/ECAM-01-2018-0039
ISSN: 0969-9988

Keywords

  • Tools/techniques
  • Benefits
  • Last planner system
  • Stakeholders
  • Construction industry
  • Gaza Strip

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Article
Publication date: 18 March 2019

Making decision toward overseas construction projects: An application based on adaptive neuro fuzzy system

Wahyudi P. Utama, Albert P.C. Chan, Hafiz Zahoor, Ran Gao and Dwifitra Y. Jumas

The purpose of this paper is to introduce a decision support aid for deciding an overseas construction project (OCP) using an adaptive neuro fuzzy inference system (ANFIS).

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Abstract

Purpose

The purpose of this paper is to introduce a decision support aid for deciding an overseas construction project (OCP) using an adaptive neuro fuzzy inference system (ANFIS).

Design/methodology/approach

This study presents an ANFIS approach as a decision support aid for assessment of OCPs. The processing data were derived from 110 simulation cases of OCPs. In total, 21 international factors observed from a Delphi survey were determined as assessment variables to examine the cases. The experts were involved to evaluate and judge whether the company should Go or Not Go for an OCP, based on the different parameter scenarios given. To measure the performance of the ANFIS model, root mean square error (RMSE) and coefficient of correlation (R) were employed.

Findings

The result shows that optimum ANFIS model indicating RMSE and R scores adequately near between 0 and 1, respectively, was obtained from parameter set of network algorithm with two input membership functions, Gaussian type of membership function and hybrid optimization method. When the model tested to nine real OCPs data, the result indicates 88.89 percent accurate.

Research limitations/implications

The use of simulation cases as data set in development the model has several advantages. This technique can be replicated to generate other case scenarios which are not available publicly or limited in terms of quantity.

Originality/value

This study evidences that the developed ANFIS model can predict the decision satisfactorily. Therefore, it can help companies’ management to make preliminary assessment of an OCP.

Details

Engineering, Construction and Architectural Management, vol. 26 no. 2
Type: Research Article
DOI: https://doi.org/10.1108/ECAM-01-2018-0016
ISSN: 0969-9988

Keywords

  • International construction
  • Simulation

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Article
Publication date: 15 May 2017

The factors contributing to construction accidents in Pakistan: Their prioritization using the Delphi technique

Hafiz Zahoor, Albert P.C. Chan, Ran Gao and Wahyudi P. Utama

The highest number of accidents in proportion to the employment rate is found in construction industry among all industries in Pakistan. The purpose of this paper is to…

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Abstract

Purpose

The highest number of accidents in proportion to the employment rate is found in construction industry among all industries in Pakistan. The purpose of this paper is to identify and prioritize the contributory factors of accident causation that can significantly reduce the rate of accident in the construction industry.

Design/methodology/approach

In total, 32 contributory factors of accident causation were identified through a triangulation strategy comprising eight face-to-face semi-structured interviews with the academic and industry experts coupled with a comprehensive literature review. Delphi survey was then conducted among the four respondent groups (clients, contractors, safety official and academia) to prioritize these factors. A consensus was achieved among the respondent groups after conducting two rounds of Delphi survey. Finally, the results were validated using the technique of inter-rater agreement (IRA) analysis.

Findings

All the shortlisted accident causation factors were graded as “important” to “extremely important”. Moreover, a “moderate” to “strong level” agreement was developed among the respondent groups. The three most significant factors were highlighted as “poor enforcement of safety rules and regulations by the Government agencies”, “insufficient allocation of safety budget and safety incentives by the client”, and “insufficient provision of safety training and resources by the contractor”.

Practical implications

The findings will help the key stakeholders to prioritize their energies towards achieving zero accident in the construction industry. Moreover, addition of academic experts as one of the respondent groups will enhance the linkages between the academia and the industry practitioners.

Originality/value

Besides highlighting the underlying causes of construction accidents in Pakistan, a detailed methodology is presented in this study for the analysis and validation of the Delphi survey data, which can be extrapolated in other regions and industries for elements prioritization. The findings of the study can also be generalized for other developing countries having similar work environment. The results validation through the use of IRA analysis is an addition to the field of construction safety research. The study also authenticates the applicability of IRA analysis to assess the agreement level among the respondents.

Details

Engineering, Construction and Architectural Management, vol. 24 no. 3
Type: Research Article
DOI: https://doi.org/10.1108/ECAM-01-2016-0027
ISSN: 0969-9988

Keywords

  • Pakistan
  • Developing countries
  • Delphi survey
  • Construction accidents
  • Contributory factors
  • Inter-rater agreement analysis

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Article
Publication date: 15 October 2018

Factors affecting the market development of steel construction

Albert P.C. Chan, Yang Yang and Ran Gao

The steel construction market has undergone gradual development in the past decades given its profound impacts on environment, economy and society. The purpose of this…

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Abstract

Purpose

The steel construction market has undergone gradual development in the past decades given its profound impacts on environment, economy and society. The purpose of this paper is to facilitate a better understanding of the major drivers and issues behind the market development of the steel construction industries around the world.

Design/methodology/approach

A three-step desktop research was conducted to select relevant research outputs published in the past 20 years. The research methodology in conducting these studies and their research trends were analyzed. Then the potential influencing factors for the market development of steel construction were identified through a content analysis of the selected studies.

Findings

A total of 59 articles were identified accordingly. These influencing factors were divided into five main themes: contextual, institutional, industrial, project-related and individual factors. In terms of the frequencies of these factors appeared in previous studies, “continuous development of standards, codes, and specifications” and “advance in product and process technology” were the top two driving forces in the market development of steel construction, while “cost issues” was the most frequently reported obstacle.

Originality/value

The study takes an initiative to establish a practical classification framework that can be dedicated to illuminating the critical issues or success factors affecting the development of the steel construction market. This framework can help policymakers, industry practitioners and researchers achieve sustaining success in steel construction in the developed, emerging and inactive markets.

Details

Engineering, Construction and Architectural Management, vol. 25 no. 9
Type: Research Article
DOI: https://doi.org/10.1108/ECAM-06-2017-0095
ISSN: 0969-9988

Keywords

  • Construction
  • Methodology
  • International practice

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Article
Publication date: 1 February 2016

Capacity building in construction health and safety research, education, and practice in Pakistan

Salman Azhar and Rafiq M. Choudhry

The purpose of this paper is to present findings of a capacity building project on construction health and safety that is recently completed in Pakistan. The major…

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Abstract

Purpose

The purpose of this paper is to present findings of a capacity building project on construction health and safety that is recently completed in Pakistan. The major objectives of this project are: first, to benchmark the current state of construction health and safety practices in Pakistan and to identify the data needs for continuous performance measurement; second, to develop health and safety guidelines; third, to develop adequate educational and training material; and finally, to improve the existing regulatory infrastructure for worker health and safety.

Design/methodology/approach

Mixed-methods approach is adopted for data collection which included site observations, surveys, semi-structured interviews, and case studies. The methodology consists of following major tasks: first, literature review and study of best practices; second, investigation of existing safety practices and development of guidelines; third, educational and training programs for construction professionals and educators; and finally, development of a strategic framework for continuous improvement in construction safety culture, laws, and practices. Collected data were analyzed using various qualitative and quantitative data analysis methods.

Findings

The enforcement of health and safety regulations on construction sites is very limited in Pakistan. Procedures for formulating, implementing, and monitoring safety rules and regulations are weak, and the implementation of safety management systems does not occur on most construction sites. The paper presents a detailed plan to improve the health and safety culture, laws, and practices in Pakistan.

Practical/implications

Detailed proposals for improving existing construction health and safety laws and regulations are prepared for relevant regulatory and statutory bodies and ministries in Pakistan. From an educational perspective, comprehensive health and safety training material are developed and training workshops are conducted in major cities of Pakistan. Over 1,000 construction professionals benefited from these workshops.

Social/implications

The project helped in raising awareness about construction health and safety in Pakistan.

Originality/value

The project benchmarked existing health and safety practices in Pakistan. It identified data needs for continuous monitoring of health and safety performance and provided a mechanism for collecting such data. The project produced international standard health and safety training material that can fulfill the local needs. The project deliverables are extremely helpful for other developing countries in the region.

Details

Built Environment Project and Asset Management, vol. 6 no. 1
Type: Research Article
DOI: https://doi.org/10.1108/BEPAM-09-2014-0044
ISSN: 2044-124X

Keywords

  • Developing countries
  • Construction industry
  • Risk management
  • Construction systems
  • Health and safety
  • Safety measures

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