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All Journal Civilla : Jurnal Teknik Sipil Universitas Islam Lamongan Jurnal Sosial dan Teknologi Jurnal Indonesia Sosial Sains Journal Research of Social Science, Economics, and Management Jurnal Ekonomi, Teknologi dan Bisnis
Wisnu Isvara
Universitas Indonesia
Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Energy Engineering Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mechanical Engineering Neuroscience Physics Social Sciences

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The Implementation of Building Information Modelling for Cut and Fill Quantity Takeoff in Toll Road Project Astuti Fahmilia; Wisnu Isvara
Jurnal Indonesia Sosial Sains Vol. 4 No. 08 (2023): Jurnal Indonesia Sosial Sains
Publisher : CV. Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59141/jiss.v4i08.856

Abstract

Technology has been going rapidly through the years, and BIM is one of the massive developments that offer some benefits for the construction industry. BIM is widely used in building project and has started to be used in infrastructure projects such as toll roads. In a toll road project, cut and fill is one of the massive volumes, which consume a lot of time to calculate the quantity and has a high chance to human error. This research aims to determine the implementation of BIM in cut and fill quantity take-off in Toll Road Project. The methodology for this research is qualitative descriptive with in-depth interviews with the expert. The study shows that implementing quantity take-off with BIM increases accuracy, reduces time, minimizes human error and efficiency. Nevertheless, still have some lacks, such as expensive cost for siftware, hardware and training, needs a long time adaptation to the organization, and also need collaboration all of the stakeholder to succesfuly implement BIM
Static Load Test of the Bridge to Fulfill the Functional Suitability Criteria of Way Sekampung Bridge Heri Khoeri; Panji Nugroho; Wisnu Isvara
Civilla : Jurnal Teknik Sipil Universitas Islam Lamongan Vol 9 No 1 (2024): MARCH
Publisher : Program Studi Teknik Sipil, Fakultas Teknik, Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/cvl.v9i1.1180

Abstract

Jembatan dan terowongan jalan merupakan salah satu prasarana transportasi yang menyangkut hajat hidup orang banyak dan mempunyai fungsi sosial yang sangat penting sehingga harus dilakukan penyelenggaraan keamanan bagi pengguna jalan sebagaimana yang diamanatkan oleh Permen PUPR 10 tahun 2022 tentang Keamanan Jembatan dan Terowongan. Parameter daya layan yang harus dipenuhi untuk aspek keamanan adalah tidak terlampauinya batas tegangan dan batas lendutan pada saat operasional termasuk saat kondisi pembebanan maksimum terjadi. Untuk mengetahui perilaku Jembatan Way Sekampung saat beroperasi dilakukanlah uji pembebanan static dan dinamik pada jembatan. Uji beban statik dilakukan dengan beban bertahap sampai dengan 66% UDL (120 ton) dengan kelipatan 16% (30 ton), dan selanjutnya beban dihilangkan secara bertahap. Lendutan terukur pada beban 66% UDL yaitu 8,698 mm yang diextrapolasi ke 100% UDL menjadi 17,888 mm masih di bawah batas lendutan ijin (L/1000 = 35.7 mm). Sejalan dengan itu regangan yang diekstrapolasi dari regangan 60%UDL yaitu 0,00013 juga masih di bawah batas regangan tarik yang berpotensi menyebabkan beton retak (= 0,00015). Selama tahapan pengujian struktur menunukan bersifat linier elastin, dengan lendutan sisa maksimum 1.3 mm masih di bawah bats lendutan sisa yang diijinkan (17,4 mm). Berdasarkan penilaian parameter uji statik, maka jembatan laik untuk difungsikan.
Risk Factor Assessment Causing Contract Change Orders in the Double-Double Track Project Anggi Sanjaya; Wisnu Isvara
Journal Research of Social Science, Economics, and Management Vol. 4 No. 4 (2024): Journal Research of Social Science, Economics, and Management
Publisher : Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59141/jrssem.v4i4.739

Abstract

The Indonesian government is actively pursuing infrastructure development, with railway projects being a key focus due to their high demand in Jakarta and its surrounding regions. However, the complexity of railway projects often leads to delays and numerous changes, resulting in scope modifications that necessitate change orders, which have negative consequences for the project. Managing these risks effectively is essential to mitigate their impact on project costs and performance. This study proposes a solution through the application of risk management using a qualitative method known as the Probability Impact Matrix, which helps assess the most significant risks leading to change orders. The research aims to identify and assess the risks responsible for contract change orders in the Double-Double Track Development Project. It uses a mixed-method approach, focusing on two main phases: risk identification and risk assessment. The study examines five risk factors, including project-related factors (X1), owner-related factors (X2), contractor-related factors (X3), design-related factors (X4), and external factors (X5). The results demonstrate that all five variables significantly influence changes in project scope, with risk levels ranging from moderate to high. These findings provide valuable insights for project owners, consultants, contractors, and other stakeholders involved in construction project management. The study serves as a reference for decision-making and the implementation of control measures to minimize the negative impact of change orders.
Development Of Alliance Strategy in The Implementation Of Risk-Based EPC Projects To Enhance Cost Performance Capacity Of PT XYZ Andri Azhari Wicaksono; Wisnu Isvara
Journal Research of Social Science, Economics, and Management Vol. 4 No. 5 (2024): Journal Research of Social Science, Economics, and Management
Publisher : Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59141/jrssem.v4i5.759

Abstract

In Indonesia's construction industry, EPC (Engineering, Procurement, Construction) contracts have become a widely recognized option, especially for projects with high levels of complexity. PT XYZ, as a state-owned construction company (BUMN), is actively involved in EPC projects in sectors such as power plants, factories, and oil processing. Given the high complexity of these projects, PT XYZ needs to form a consortium with partners to complement its limited capabilities. However, the formation of a consortium introduces risks that could potentially harm PT XYZ during project execution. This research aims to develop a risk management strategy to assist PT XYZ in making the right decisions in managing consortium risks, thereby enhancing the company's capacity to complete EPC projects. The research findings reveal that the highest risks occur during the construction phase, categorized as “Medium to High” level. These risks include "The Vendor Chosen by the Partner Lacks Competence", "Redesign Work, Design Errors or Defects, and Poor Design Variation Process Management", and "Poor Coordination Process Between Design, Procurement, and Construction"
Evaluation of Risk-Based Communication Management in Design-Build Building PT XYZ Projects to Improve Time Performance Muzamil Jariski; Wisnu Isvara; Leni Sagita Riantini
Jurnal Ekonomi Teknologi dan Bisnis (JETBIS) Vol. 4 No. 5 (2025): Jurnal Ekonomi, Teknologi dan Bisnis
Publisher : Al-Makki Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57185/jetbis.v4i5.182

Abstract

The design-build concept continues to evolve as a delivery method in the global and Indonesian construction markets. This study, conducted at PT XYZ, reveals that all design-build building projects over the past three years (2022–2024) have experienced delays or schedule extensions in execution. One of the main factors contributing to poor time performance in design-build projects is communication-related issues. The objective of this study is to evaluate communication management in design-build projects based on dominant risks. This research was conducted by collecting data through literature review, archival analysis, and expert validation questionnaire surveys. The study identified 4 phases, 12 stages, and 58 activities involving 9 stakeholders, which encompassed 59 communication activities and 40 communication-related risks were identified and further analyzed using statistical methods and subsequently evaluated based on their risk levels in order to plan risk responses in communication management evaluation to enhance time performance in design-build building projects.
Business Feasibility of LNG Distribution for Nias Gas Power Plants Using MCDM Brama Halilintar; Asep Handaya Saputra; Wisnu Isvara
Jurnal Sosial Teknologi Vol. 6 No. 6 (2026): Jurnal Sosial dan Teknologi
Publisher : CV. Green Publisher Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59188/jurnalsostech.v6i6.32906

Abstract

Nias Island represents an isolated power system in Indonesia that still relies heavily on diesel-based generation, resulting in high operational costs and greenhouse gas emissions amid Indonesia’s national energy transition toward Net Zero Emissions targets. Liquefied Natural Gas (LNG) is considered a transitional fuel to improve energy security and environmental performance in remote regions. This study aims to evaluate the business feasibility and infrastructure selection of LNG distribution for the Nias Gas Engine Power Plant by comparing an onshore terminal and a mini–Floating Storage Regasification Unit (FSRU). A quantitative decision-making approach using Multi-Criteria Decision Making (MCDM) with the Analytic Hierarchy Process (AHP) was applied, integrating technical, economic, and environmental criteria. Economic analysis includes NPV, IRR, and payback period, while environmental assessment follows IPCC 2006 emission guidelines. Findings show both alternatives are financially viable under an LNG price assumption of USD 7/MMBtu, with the FSRU generating higher NPV and IRR, while the onshore terminal demonstrates superior reliability and lower emissions. The study concludes that although both schemes are feasible, the onshore terminal is slightly preferred due to its stronger reliability and environmental performance, making it more aligned with long-term energy transition goals. Policy implications support Indonesia energy transition agenda acceleration
Co-Authors Andri Azhari Wicaksono Anggi Sanjaya Asep Handaya Saputra Astuti Fahmilia Brama Halilintar Heri Khoeri Leni Sagita Riantini Muzamil Jariski Panji Nugroho