Article Per Year (5 Year)
p-Index From 2021 - 2026
3.859
P-Index
This Author published in this journals
All Journal Jurnal Konstruksia International Journal of Built Environment and Scientific Research Rancang Bangun BENTANG : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Jurnal Aplikasi Teknik Sipil JUTEKS - Jurnal Teknik Sipil Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia Borneo Engineering: Jurnal Teknik Sipil Civilla : Jurnal Teknik Sipil Universitas Islam Lamongan Jurnal Sosial dan Teknologi Prosiding Seminar Nasional Teknik Sipil UMS Jurnal Indonesia Sosial Sains Journal Research of Social Science, Economics, and Management Jurnal Ekonomi, Teknologi dan Bisnis Jurnal Spesialis Teknik Sipil (JSpTS) International Journal of Health, Engineering and Technology Jurnal Konstruksi dan Infrastruktur : Teknik Sipil dan Perencanaan Jurnal Wilayah, Kota dan Lingkungan Berkelanjutan Clean Energy and Smart Technology Journal of Project Management Research
Wisnu Isvara
Department Of Civil Engineering, Universitas Indonesia
Agriculture, Biological Sciences & Forestry Arts Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Dentistry Earth & Planetary Sciences Economics, Econometrics & Finance Energy Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Neuroscience Nursing Physics Public Health Social Sciences Transportation Veterinary

Published : 29 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 29 Documents
Search

 1   2   3 
Evaluation of Risk-Based Communication Management in Design-Build Building PT XYZ Projects to Improve Time Performance Jariski, Muzamil; Isvara, Wisnu; Riantini, Leni Sagita
Jurnal Ekonomi Teknologi dan Bisnis (JETBIS) Vol. 4 No. 5 (2025): JETBIS : Journal of Economics, Technology and Business
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.
Development of Strategies to Improve the Accuracy of Cost Estimates in Risk-Based Building Construction Projects Astuti, Agnes Sari Diah; Isvara, Wisnu
Journal Research of Social Science, Economics, and Management Vol. 4 No. 12 (2025): 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.v4i12.939

Abstract

The cost planning process is the initial stage of a construction project to plan for implementation costs that allow the project owner to determine economic feasibility and evaluate alternatives to achieve the desired feasibility. Poor planning can result in cost overruns, delays and even project cancellations. The cost planning process must be carried out accurately by considering many risk factors so that it can reduce the occurrence of cost overruns at the end of the project. Systemic risk is one of the factors that is often the main driver of the accuracy of cost estimates, especially during the early stages of project determination (AACE, 2020). The purpose of the study was to determine the most dominant systemic risk factors for the accuracy of cost estimates based on the owner's point of view. The methods used are qualitative and quantitative approaches or combined data from both (Ahnyar, Andriani, & Sukmana, 2020), surveys, expert validation, Risk Analysis using the Probability Impact Matrix and Forum Group Discussion (FGD). Questionnaire surveys were conducted on 34 respondents and processed with SPSS software to analyze the data. 13 systemic risk factors that affect the accuracy of the estimate were identified. The control strategy for the 13 recommended systemic risk factors is to develop operational standards for risk-based estimation, create a unit price database based on the realization price of previous projects, conduct training by involving competent senior estimates, add reserve or contingency factors, and look for alternative materials without reducing benefits and usefulness.
Penilaian Kelaikan Jembatan Berdasarkan Parameter Dinamis Experimental pada Jembatan PC-I Girder 40 m Khoeri, Heri; Isvara, Wisnu; Natasa, Fani; Sofiana, Dini
Jurnal Aplikasi Teknik Sipil Vol 22, No 1 (2024)
Publisher : Departemen Teknik Infrastruktur Sipil Institut Teknologi Sepuluh Nopember Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j2579-891X.v22i1.19341

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. Sebelum sebuah jembatan difungsikan harus dilakukan pengujian, untuk memastikan tingkat keselamatan dan keamanan jembatan. Pengujian pembebanan dinamik (uji getar) bertujuan untuk mendapatkan parameter dinamik seperti frekuensi alami, rasio redaman, kekakuan dan pola getar, sebagai salah satu indikator untuk menilai kelaikan fungsi jembatan. Hasil uji getar, baik sisi barat (JSB) maupun sisi timur (JST) menunjukkan performa yang baik dengan frekuensi alami JSB 4.093 Hz dan JST 4.956Hz lebih tinggi dari pendekatan teoritik yaitu 4.002 Hz. Hal ini menunjukkan bahwa kekakuan aktual lebih tinggi dibandingkan teoritisnya. Rasio redaman aktual JSB 2.138% dan JST 2.883%, nilai tersebut masuk katagori beton utuh. Berdasarkan penilaian parameter dinamik, jembatan dinyatakan laik fungsi
Asesmen Geoteknik Keretakan Cold Water Pipe (CWP) pada Pembangkit Listrik Tenaga Uap dan Rekomendasi Perbaikan Khoeri, Heri; Badaruddin, B; Isvara, Wisnu
Prosiding Seminar Nasional Teknik Sipil UMS 2024: Prosiding Seminar Nasional Teknik Sipil UMS
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Pipa air dingin (Cold Water Pipe, CWP) sebuah PLTU mengalami kebocoran setelah 7 tahun beroperasi karena retaknya CWP yang mengakibatkan PLTU shutdown. Perbaikan sudah dilakukan termasuk dengan aplikasi pile jet grouting tepat di bawah CWP namun kebocoran masih terjadi. CWP tersebut diletakkan di atas tanah lunak setebal 35m (Nspt 2 s/d 4) dengan tambahan timbunan 3m sebelum pemasangan CWP tanpa soil improvement. Asesmen dilakukan untuk mengevaluasi penyebab terjadinya kebocoran pipa, mengevaluasi efektivitas pile jet grouting, dan memberikan rekomendasi perbaikan yang tidak menimbulkan masalah baru di kemudian hari. Hasil analisis menunjukkan penurunan tanah akibat konsolidasi setelah 7 tahun beroperasi telah mencapai 60% yaitu 46cm. Nilai ini mendekati hasil pengukuran lapangan yang nilainya antara 30 cm s/d 50 cm. Masih ada potensi penurunan hingga derajat konsolidasi 90%, yang diestimasi 60cm di tahun ke-15 setelah operasi, artinya dalam 8 tahun berikutnya potensi penurunan masih 20cm. Kebocoran teridentifikasi akibat perbedaan penurunan antara CWP yang menumpu pada pile cap dengan yang langsung di tanah, mencapai 4 cm sesaat setelah pipa ditanam, meningkat menjadi 5.5cm pada tahun ke-7, dan 5,7cm pada tahun ke-15. Pipa sepanjang 12m dengan penurunan 5.5cm akan berotasi 0.53o pada tumpuannya, nilai ini melebihi batas ijinnya yang dibatasi 0.5o. Aplikasi jet grouting setempat justru berpotensi menambah penurunan. Mengingat masih ada potensi penurunan namun tidak sebesar di 7 tahun pertama, maka merekomendasikan pemasangan camp plate sebagai alat monitoring dan adjustable support untuk menaikkan pipa jika camp plate mengindikasikan penurunan mendekati batas ijinnya.
The Implementation of Building Information Modelling for Cut and Fill Quantity Takeoff in Toll Road Project Fahmilia, Astuti; Isvara, Wisnu
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
FORMULATION OF CONCRETE COMPRESSIVE STRENGTH BASED ON BUILDING AGE, DENSITY, AND NON-DESTRUCTIVE TESTING WITH ULTRASONIC PULSE VELOCITY TESTS Khoeri, Heri; Wisnu Isvara; Roberto Pradana; Dini Sofiana
Clean Energy and Smart Technology Vol. 2 No. 2 (2024): April
Publisher : Nacreva Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58641/cest.v2i2.85

Abstract

In the assessment of existing reinforced concrete buildings, the compressive strength of concrete, , is a key parameter for performance assessment. The most accurate way to identify it is by conducting compressive strength tests on core concrete samples from structural elements obtained through drilling. The more samples taken, the more accurate the determination of for structural modeling will be. However, sampling in buildings certainly disrupts activities within the building, compounded by drilling marks that leave traces even after repairs. Therefore, sample collection must be selective, yet the results must still provide confidence as input for structural analysis. A method for estimating using the ultrasonic pulse velocity test, UPVT, categorized as a Nondestructive Test, NDT, has long been used and continues to be developed. Various building regulations state that NDT for estimating should be paired with the results of compressive strength tests on core concrete samples to obtain correlation between them. The relationship equation between wave propagation velocity, , and varies between studies, indicating that besides , there are other influencing factors. In this study, samples were taken from 5 (five) buildings of different ages. In addition to , the effects of density, , and age, , were examined. The results of the study indicate that has no effect, while influences the relationship between V and according to the equation with .
Geotechnical Stability Assessment and Soil Improvement Recommendations using Soil Grouting and Drainage Tunnels (Case study: Retaining wall displacement at a transmission tower site) Heri Khoeri; Roberto Pradana; Wisnu Isvara; Rachmad Irwanto
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 12 No 2 (2024): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil (July 2024)
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v12i2.8306

Abstract

The detection of a retaining wall displacement in early 2023 at one of the DD6+12 transmission tower sites raised concerns about the tower's stability, potentially leading to structural failure. A comprehensive assessment was conducted on the tower's verticality, retaining wall displacement, subsurface conditions, and soil properties around the tower area. The assessment results revealed a linear inclination of the transmission tower from the base to the top, with a deflection at the top of approximately ±20 cm to the south and ±7 cm to the west. With this condition, some structural elements reached a stress-to-permitted stress ratio of 0.91. Although still within allowable limits, without soil stabilization, it is at risk of structural failure. GPR scan results showed differences in foundation dimensions compared to the as-built drawings and identified cavities filled with water beneath the ground surface due to poor drainage, resulting in a safety factor of 1.088, whereas the required safety factor is 1.5. This condition caused the retaining wall displacement. Recommendations including constructing drainage tunnels upstream, soil grouting, installing wheep holes in the retaining walls, and adding secant piles would increase the safety factor to 1.988.
Identifikasi dan Penilaian Risiko Stakeholder pada Proyek Infrastruktur Pertambangan Nikel: Studi Kasus di Pertambangan Nikel PT. X Kerri Dwiky Iswara; Wisnu Isvara; Titi Sari Nurul Rachmawati
JURNAL WILAYAH, KOTA DAN LINGKUNGAN BERKELANJUTAN Vol. 5 No. 1 (2026): JURNAL WILAYAH, KOTA DAN LINGKUNGAN BERKELANJUTAN
Publisher : Fakultas Teknik Universitas Cenderawasih

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58169/jwikal.v5i1.1094

Abstract

The growth of the nickel mining industry in Indonesia, particularly in Southeast Sulawesi Province, has made this sector one of the main contributors to the Regional Gross Domestic Product (RGDP). However, the development of supporting infrastructure—especially mining haulage roads—still faces various risks that could potentially cause project delays and disrupt operational efficiency. Therefore, a systematic risk identification process is necessary to ensure that project implementation proceeds in accordance with established time, cost, and quality targets. This study aims to identify and assess risks in mining infrastructure development projects using a stakeholder-based approach. This approach is employed to gain an understanding of the risks that arise from the perspectives of the parties involved in the project. The results of this study describe the dominant risks that could potentially occur in nickel mining projects, namely opposition from the local community surrounding the project, conflicts with community organizations, denial of access to project roads, and disruption of project security due to inadequate security measures by authorities. It is hoped that these dominant risks can serve as a basis for developing effective risk mitigation strategies to support the successful and sustainable development of mining infrastructure.
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 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 Agnes Sari Diah Astuti Andreas Wibowo Andri Azhari Wicaksono Anggi Sanjaya Asep Handaya Saputra Astuti Fahmilia Astuti, Agnes Sari Diah Badaruddin, B Boris Sembiring Kembaren Boris Brama Halilintar Dini Sofiana Dini Sofiana Fahmilia, Astuti Fani Natasa Fauziyah Kamilah Heri Khoeri Heri Khoeri Heri Khoeri Heri Khoeri Ivan Sulistio Prabowo Jack Widjajakusuma Jariski, Muzamil Kerri Dwiky Iswara Khoeri, Heri Leni Sagita Riantini Mustika Sari Muzamil Jariski Natasa, Fani Nugroho, Panji Panji Nugroho Prabowo, Bagus Adi Pradana, Roberto Rachmad Irwanto Rachmawati, Titi Sari Nurul Rarasati, Ayomi Dita Roberto Pradana Roberto Pradana Sofiana, Dini Yusuf Latief