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All Journal PROSIDING SEMINAR NASIONAL CENDEKIAWAN Syntax Literate: Jurnal Ilmiah Indonesia Rang Teknik Journal Jurnal Aplikasi Teknik Sipil Prosiding Seminar Nasional Pakar Technomedia Journal Astonjadro IAIC Transactions on Sustainable Digital Innovation (ITSDI) Journal La Multiapp Indonesian Journal of Engagement, Community Services, Empowerment and Development (IJECSED) International Journal of Social Service and Research Indonesian Collaboration Journal of Community Services (ICJCS) Jurnal Locus Penelitian dan Pengabdian Jurnal Sosial dan Sains Eduvest - Journal of Universal Studies Jurnal Penelitian Pendidikan Indonesia Advance Sustainable Science, Engineering and Technology (ASSET) Jurnal Rekayasa Lingkungan Terbangun Berkelanjutan Dedicated: Journal of Community Services (Pengabdian kepada Masyarakat)
Pontan, Darmawan
Universitas Trisakti
Aerospace Engineering Humanities Astronomy Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Neuroscience Physics Social Sciences Other

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Evaluating Cost Performance and Unit Rate Optimization in Surface Maintenance Operation (SMO) Earthwork Service Contracts Alexander Alexander; Darmawan Pontan; Efa Ayu Nabila; Lunatari Sanbella
IAIC Transactions on Sustainable Digital Innovation (ITSDI) Vol 7 No 1 (2025): October
Publisher : Pandawan Sejahtera Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34306/itsdi.v7i1.705

Abstract

The Surface Maintenance Operation (SMO) Construction Services Work Unit Rate Earthwork (WUR EW) project in the Rokan Block, Indonesia, utilizes a unit price contract model with hypothetical volumes. This contractual model transfers the risk of uncertain work quantities from the project owner to the contractor. This study aims to analyze the characteristics of this contract and formulate a secure strategy for preparing bidding prices and managing construction costs. The research employed a quantitative analysis of historical data from two work packages (Package 3 and Mitigation Package 3). The analysis was conducted through the calculation of Key Performance Indicators (KPIs) such as the Cost Performance Index (CPI) and Budget Variance (BV), as well as Cost and Quantity Variance Analysis per work item. The results indicate that both projects achieved excellent cost performance, exceeding the planned profit targets (Realized CPI > Planned CPI). The most effective strategy was to set a high profit percentage on the top 10 Earthwork & Civil items (the Pareto items), which experienced significant volume increases and were the main drivers of the total profit growth.
Evaluasi intervensi lean construction di sekolah menengah kejuruan: Tanggapan dan kesiapan Muhammad Sapto Nugroho; Feby Kartika Sari; Darmawan Pontan; Sri Novianthi Pratiwi; Nesya Widiastama; Ananda Maulana Yusuf
Dedicated: Journal of Community Services (Pengabdian kepada Masyarakat) Vol. 4 No. 1 (2026): Dedicated: Journal of Community Services (Pengabdian kepada Masyarakat)
Publisher : Universitas Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17509/dedicated.v4i1.657

Abstract

This study evaluates the contextual relevance of introducing Lean Construction to Vocational High School (SMK) students in Indonesia through a triangulation assessment of student workshop responses, curriculum alignment, and graduate employment data over three years. The novelty of this study lies in the simultaneous assessment of all three dimensions at the vocational education level, a topic that has rarely been addressed in the Lean Construction education literature. A short workshop combining a Lean Construction lecture and a LEGO-based Last Planner System® (LPS) simulation was conducted with 59 12th-grade students in the Building Construction, Sanitation, and Maintenance (KGSP) program at SMKN 26 Jakarta. Results indicated that 98% of students rated Lean Construction as important or very important, and 83.05% expressed interest in learning more. Curriculum analysis of official Learning Outcomes (Capaian Pembelajaran/CP) documents confirmed that Lean principles were not included in Phase E or Phase F Learning Outcomes. Three-year tracer study data (210 graduates from the 2023-2025 cohort) consistently indicated that the construction sector was the primary employment destination for employed graduates. This paper argues that the existing KGSP curriculum provides a strong technical foundation and can be enriched by integrating Lean principles into existing courses, particularly for graduates working in drafter and inspector roles.
Co-Authors Abadan, Achmad Chakim Abidin, Dikky Safitra Adnan Muhtaram Alexander Alexander Alfa Nur Alim Alfa Nur Alim Alim, Alfa Nur Alsion Maxsi Ananda Maulana Yusuf Andre Tampubolon Antoni, Febri Aulia Najah Bambang Endro Yuwono Berman, Berman Bhekti, Dhanu Setyo Bruantama, Daffa Miln Chandra Gemilang Chandra Pramodya Gemilang Christianto Christianto Cindy Sangadji Daniel Daniel Daniel Mundung Dicky Darmawan Diski Kholida Zia Hadie Putri Efa Ayu Nabila Endah Kurniyaningrum Fabyanto, Ikhsan Fadli Rahman Al Ghifari Fatchurrohman Fatchurrohman, Fatchurrohman Fawwaz, Arvyant Arrazaqi Feby Kartika Sari Galih Prio Sujagat Gandhi, Iswara Gemilang, Chandra Pramodya Hartanty, Dyah Widya Dwi Heru Pambudi Hevada T, Laska Hot Maruli Tua Frans Marihot Purba Ilham Akbar Mulya Wibawa Imam Muhammad Fikri, Imam Muhammad Inavonna Inavonna Inavonna Inavonna, Inavonna Indrawati Sumeru Innavona Innavona Intan Yulianisa Irawan, Angga Ananda Isma Fajar Komara, Kresna Dwiki Lahji, Khotijah Lili Kusumawati Lili Kusumawati Lunatari Sanbella M Yusuf D Adiwinata Mahatmantong, Syafrullah Manisha Rucitawangi Manisha, Manisha Martinus Bambang Susetyarto Maryati, Indah Melkysedek, Hobert Mangatur Michella Maria Veronika Mokodongan, Masita Aisza Muhammad Anugrah Wibawa Mukti Muhammad Anwar Muhammad Fikri, Imam Muhammad Zaki Muhammad Zaki Nesya Widiastama Nugroho, Muhammad Sapto Nyoman Oka Wahyudhi Parwadi Moengin Pentagon Chen Pentagon, Pentagon Rahman, Naufall Fadhlur Rose, Ugahari Saihul Anwar Saihul Anwar Sari, Feby Kartika Septia, Zahara Ajeng Setyo Bhekti, Dhanu Silvano, Verian Gustam Sri Novianthi Pratiwi Sugeng Riyanto Sugeng Riyanto Sujagat, Galih Prio Sumeru, Indrawati Suradjin Sutjipto Sutjipto, Suradjin Syamsiar, Syamsiar Syifa Aulia Putri Tulus Widiarso Ulfa Fatmasari Faisal Wijasena, Razaq Agung Zahara Ajeng Septia Zaki, M.