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All Journal Jurnal Teknik ITS Jurnal Sains dan Seni ITS IPTEK Journal of Proceedings Series IPTEK The Journal for Technology and Science Journal of Civil Engineering JST ( Jurnal Sains Terapan ) Simposium II UNIID 2017 Jurnal Teknik Industri: Jurnal Keilmuan dan Aplikasi Teknik Industri Jurnal Aplikasi Teknik Sipil Astonjadro Journal of Infrastructure and Facility Asset Management Monas: Jurnal Inovasi Aparatur Journal of Economics and Business UBS Journal La Multiapp Jurnal Impresi Indonesia Journal of Social Research Jurnal Locus Penelitian dan Pengabdian SENTRI: Jurnal Riset Ilmiah Jurnal Indonesia Sosial Teknologi Eduvest - Journal of Universal Studies Sewagati Journal of Green Science and Technology
I Putu Artama Wiguna
Civil Engineering Department, Institut Teknologi Sepuluh Nopember (ITS), Surabaya
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Journal : Journal La Multiapp

 1 
Selection of the Best Lean Construction Techniques for the Execution Stage Prastyo, Satriyo Agus Adi; Wiguna, I Putu Artama
Journal La Multiapp Vol. 7 No. 2 (2026): Journal La Multiapp
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallamultiapp.v7i2.2990

Abstract

This study aims to identify and prioritize critical success factors and lean construction techniques that influence lean implementation during the execution stage of construction projects in Indonesia. A quantitative research approach was employed using expert judgment collected through a structured questionnaire. The Relative Importance Index was applied to rank critical success factors and assess the importance of selected lean construction techniques, while the Analytic Hierarchy Process was used to determine priority weights through pairwise comparisons. The results indicate that top management, financial management, task execution based on scope of work, and improvement tools are the most influential factors supporting successful lean execution. The analysis also shows that Just In Time, Last Planner System, Daily Huddle Meeting, and Building Information Modeling are all considered very important techniques during the execution stage. Further prioritization reveals that Daily Huddle Meeting has the highest priority, followed by Just In Time, while Building Information Modeling and Last Planner System function as supporting techniques. The findings highlight that effective lean execution is driven primarily by managerial commitment and daily coordination practices rather than technical tools alone. This study provides practical guidance for construction practitioners in selecting appropriate lean strategies to improve execution performance and reduce waste on site.
Identification of Critical Factors Influencing Lean Construction Performance in Construction Projects Candraningtyas, Devita; Wiguna, I Putu Artama
Journal La Multiapp Vol. 7 No. 2 (2026): Journal La Multiapp
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallamultiapp.v7i2.3038

Abstract

The Indonesian construction sector continues to face persistent problems related to inefficiency, material waste, schedule delays, and cost overruns, despite increasing interest in adopting Lean Construction principles. These challenges indicate that lean implementation has not been fully supported by well-defined organizational and managerial foundations. This study aims to identify and validate the indicators that form the Critical Success Factors influencing Lean Construction Performance in high-rise building projects in Indonesia. This research uses quantitative methods. The research population consists of construction professionals involved in high-rise building projects, including contractors, consultants, and project management teams. A total of 360 questionnaires were distributed, of which 155 responses were returned. After data screening, 125 valid responses were used for further analysis. Data analysis was conducted using Structural Equation Modeling with the Partial Least Squares method through SmartPLS 3.0, focusing on the evaluation of the measurement model. The results indicate that the proposed constructs are formed by valid and reliable indicators after eliminating indicators with outer loadings below 0.70. The validated indicators represent management commitment and involvement, human resource development, communication and collaboration, internal client focus, and planning techniques and continuous improvement. These findings provide empirical evidence on the key indicator structure of Critical Success Factors relevant to Lean Construction Performance.
Assessment and Prioritization of Contractor Internal Schedule Delay Risks in Phnom Penh High-Rise Building Projects Using Relative Importance Index Method Haitin, Res; Wiguna, I Putu Artama
Journal La Multiapp Vol. 7 No. 2 (2026): Journal La Multiapp
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallamultiapp.v7i2.3054

Abstract

The rapid expansion of high-rise building projects in Phnom Penh has been accompanied by persistent schedule delays that significantly impact project performance. While external factors are often emphasized, contractor internal risks represent controllable factors requiring systematic assessment and prioritization. This study aims to identify and prioritize contractor internal delay risk factors in high-rise building projects in Phnom Penh through quantitative analysis of expert perceptions. A mixed-methods approach was employed, combining qualitative data collection through structured questionnaires with quantitative analysis using the Relative Importance Index (RII). Data were collected from 97 construction professionals involved in high-rise projects (exceeding 10 floors) in Phnom Penh during 2020–2025. Seventeen internal risk factors were assessed across probability (RII-P) and impact (RII-I) dimensions. Analysis identified three critical risks with Risk Scores ≥ 0.60: Poor Planning and Scheduling (RII-P: 0.81, RII-I: 0.83, Risk Score: 0.68), Cash Flow Problems (RII-P: 0.76, RII-I: 0.83, Risk Score: 0.64), and Ineffective Monitoring and Control (RII-P: 0.79, RII-I: 0.79, Risk Score: 0.62). Fourteen additional risks were classified as Medium Priority (Risk Scores: 0.46–0.56). Managerial and financial factors dominate internal delay risks in Phnom Penh's high-rise construction, suggesting contractors should prioritize planning systems, financial management, and monitoring controls to improve schedule performance. These findings have implications for similar developing construction markets, particularly in Indonesia.
Co-Authors Adi, Mochamad Waskito Adi, Trijoko Wahyu Aditya Sutantio Ahyudanari, Ervina Aisha, Della Amien Widodo Andika Ade Indra Saputra Angga Tri Wibowo Anwar, Nadjadji Arif Rahman Hakim Aris Aminulwahyu Astuti, Dhiannita Tri Bramantya Fidiansyah Putra Cahyono Bintang Nurcahyo Candraningtyas, Devita Chatarina Umbul Wahyuni Christiono Utomo Dedy Darmanto Dewa Sang Nyata Diah Sarasanty Dwinanda Fadhlan Erma Suryani Farida Rachmawati Farida Rachmawati, Farida Faris Afif Octavio Franciska Lisa Permatasari Gita Prestalita Gumbiratno Widiatmoko Haitin, Res Hanie Teki Tjendani Hansel Samuel Eiros Saragih Hardiansah, Hardiansah Herry Budianto Herry Pintardi Chandra Herry Pintardi Chandra Herry Pintardi Chandra Indarto . Indarto . Indarto . Indarto Indarto Indonesia, Aileen Indriyani, Retno Indryani, Retno Irawan Dwi Purnomo Kurniawan, Heru Limbong, Sucipto M. Arif Rohman M. Arif Rohman Mario Hartono Nova Nevila Rodhi Nurcahyo, Cahyono Bintang Panji Bawono Saputro Paulus Pati Richardo Tenawaheng Perdana, Adhitya Permadi, Sonny Citra Peter F Kaming Peter F. Kaming Peter F. Kaming Peter Kaming Peter Kaming Pohan, Muhammad Fauzi Prastyo, Satriyo Agus Adi Putri, Yusronia Eka Raditya, Akmal Ramadhani, Salsafanti Alifthania Retno Indryani Retno Indryani Riski Nugrahaning Gusti Rohman, Mohammad Arif Rohman, Mohammad Arif Rossana Margaret Kadar Yanti Rozaq, Fatkhur Siahaan, Hasiholan Christian Surya, Agung Bagus Swasnawa, I Made Syamsud Dhuha Taurista Yuristanti Tri Joko Wahyu Adi Vita Ratnasari Waliulu, Yusroniya Eka Putri Rachman Yudha Pramana Yusronia Eka Putri