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All Journal International Journal of Artificial Intelligence Research The Spirit of Society Journal : International Journal of Society Development and Engagement EXTRAPOLASI: Jurnal Teknik Sipil Jurnal Pengabdian Magister Pendidikan IPA Portal: Jurnal Teknik Sipil Jurnal Teknik Industri Terintegrasi (JUTIN) International Journal Of Science, Technology & Management (IJSTM) Jurnal Teknik Sipil Cendekia (JTSC) Extrapolasi JOURNAL OF HUMANITIES, SOCIAL SCIENCES AND BUSINESS (JHSSB) International Journal of Hydrological and Environmental for Sustainability International Journal Science and Technology (IJST) Journal of Management, Accounting, General Finance and International Economic Issues (MARGINAL) International Journal on Advanced Technology, Engineering, and Information System (IJATEIS) INJURITY: Journal of Interdisciplinary Studies Eduvest - Journal of Universal Studies Jurnal Lingkungan Karya Arsitektur Enrichment: Journal of Multidisciplinary Research and Development SAINTEK Asian Journal of Social and Humanities International Journal of Social Science and Community Service
Hanie Teki Tjendani, Hanie Teki
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Value Engineering on the Mosque Construction Project in the South Kalimantan Provincial Government Office Area Rahmatullah, Yan; Tjendani, Hanie Teki; Witjaksana, Budi
THE SPIRIT OF SOCIETY JOURNAL : International Journal of Society Development and Engagement Vol 9 No 1: September 2025
Publisher : LPPM of NAROTAMA UNIVERSITY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/scj.v9i1.3473

Abstract

The analysis performed to optimize costs will generate alternatives that will be compared with the initial design, and this analysis can be called value engineering analysis. This research aims to assess the percentage of cost savings that can be obtained by applying the value engineering technique, as well as to evaluate the life cycle cost of various selected material alternatives. The Mosque Construction Project in the South Kalimantan Provincial Government Office Area was chosen as the research object because of cost inefficiency in the architectural work, with a total cost of Rp. 26,857,215,362.63 out of the total project cost of Rp. 55,600,738,764.97. The architectural work will be corrected using Pareto diagram analysis through the value engineering phases, namely the information phase, speculation phase, and analysis phase. From the value engineering analysis results, a savings of 3.65% of the total project value was obtained. The life cycle cost analysis shows that the selected material has a lower life cycle cost value compared to the initially planned material. In addition, the work execution time with the selected material can complete the work on site more quickly
Optimization of Transportation Mode Selection for EPC Project Logistics Using Analytical Hierarchy Process (AHP): A Case Study of RoRo-Based Inter-Island Material Delivery in Indonesia Shohib, Muhammad; Tjendani, Hanie Teki; Purnama, Jaka
International Journal of Artificial Intelligence Research Vol 9, No 1.1 (2025)
Publisher : Universitas Dharma Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29099/ijair.v9i1.1.1589

Abstract

Efficient logistics management plays a crucial role in the success of EPC projects, particularly when transporting heavy fabricated components across island regions. This study aims to identify the most optimal transportation mode using the AHP based on six key criteria: cost, lead time, risk, load capacity, flexibility, and port accessibility. A hierarchical decision model was developed and assessed by seven expert respondents, with calculations performed using Expert Choice 11. The results indicate that cost, lead time, and port accessibility hold the highest priority weights, reflecting their strategic importance in EPC logistics. The synthesis of criteria and alternative weights identified Roll-on/Roll-off (RoRo) as the most suitable transportation mode, outperforming cargo ships, barges, LCTs, and truck combinations. Validation using actual project data further confirmed this result: the total delivery cost using RoRo amounted to IDR 1,126,000,000, representing a 22% savings compared to the planned budget, and only 1.66% of the total project cost significantly lower than industry benchmarks of 8–11%.  The results confirm that AHP constitutes an effective and reliable approach for transportation mode selection in EPC projects. The study offers actionable managerial insights and advances the application of multi-criteria decision-making in construction logistics.
Integrated Flood Risk and Embankment Stability Modeling in the Comoro River, Timor-Leste using HEC-RAS and GIS Minaryo, Kris; Tjendani, Hanie Teki; Wulandari, Esti; Junaidi, Rahmad; Andiyan, Andiyan; Omanwar, Shreeniwas
International Journal of Hydrological and Environmental for Sustainability Vol. 4 No. 3 (2025): International Journal of Hydrological and Environmental for Sustainability
Publisher : CV FOUNDAE

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58524/ijhes.v4i3.961

Abstract

Dili, the capital city of Timor-Leste, is increasingly vulnerable to flooding due to its geomorphological characteristics and rapid urban expansion. The Comoro River, the largest of several rivers traversing the city, has experienced multiple significant flood events in recent years—most notably in March 2020, April 2021, and February 2022 resulting in severe damage to infrastructure and disruption to local communities. Urban development has led to watershed degradation, sediment accumulation, reduced channel capacity, and embankment overtopping, exacerbating flood risks in densely populated areas. This study aims to assess flood risk and evaluate embankment resilience using an integrated modeling approach. Design flood discharge was estimated using the Log Pearson Type III distribution and the Nakayasu synthetic unit hydrograph, with validation through Chi-Square and Kolmogorov-Smirnov goodness-of-fit tests. Hydraulic simulations were conducted using HEC-RAS 6.1.0, while flood inundation mapping was performed with ArcGIS 10.3 to identify critical flood-prone zones and guide mitigation strategies. Results indicate a peak discharge of 192.141 m³/s for a 25-year return period flood. Mitigation measures proposed include embankment construction and river normalization at vulnerable cross-sections. HEC-RAS simulations demonstrate that these interventions significantly reduce flood inundation. The embankment slope stability factor was calculated at 14.25, indicating a high level of structural safety. The estimated cost for implementing these flood control measures is USD 571,366.87. This study provides a replicable framework for flood hazard modeling and infrastructure planning in urban river systems, contributing to climate-resilient development and evidence-based decision-making in Southeast Asian contexts.
Analysis Of Project Time Control for the Batulicin Port Road Using the Earned Value Concept Method Novianto, Muhammad Taufik; Witjaksana, Budi; Tjendani, Hanie Teki
THE SPIRIT OF SOCIETY JOURNAL : International Journal of Society Development and Engagement Vol 9 No 1: September 2025
Publisher : LPPM of NAROTAMA UNIVERSITY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/scj.v9i1.3475

Abstract

Pelaksanan Proyek Jalan Pelabuhan Batulicin merupakan proyek yang penting karena jalan akses The implementation of the Batulicin Port Road Project is an important project because the current access road to Batulicin Port is inadequate. The project execution faced obstacles, including delays in the availability of skilled workers and construction laborers/workers at the project site, delays in the arrival of materials due to required pre-order (indent) and a relatively long manufacturing process at the factory. In the first week up to the third week, the achieved progress was above the planned schedule, and in the fourth week, the achieved progress was below the expected plan. In the fifth week, the achieved progress was above the expected schedule, but in the sixth week up to the tenth week, the achievement progress was again below the planned progress. The fluctuations in progress must be monitored comprehensively in terms of time to estimate the time required for project completion. To resolve these problems, a method used for project control is the Earned Value Analysis (EVA) method. Earned Value Analysis is a tool used in project management that integrates cost and time. The earned value concept presents three dimensions: the physical completion of the project (the percent complete), which reflects the budgeted cost absorption, the actual costs incurred or what is called the actual cost, and what is obtained from the costs incurred or what is called the earned value. The research results show that for time performance (Schedule Performance Index), the value is less than 1, indicating that the project's performance is slower than the planned schedule. The Estimate All Schedule (EAS) value shows a value of 277 days, which is 37 days longer than the planned schedule.
Analysis of Time Control Using the Earned Value Method on The Container Yard Project of the Banjarmasin Navigation and KPLP Office Riyadi, Noor; Sajiyo, Sajiyo; Tjendani, Hanie Teki
THE SPIRIT OF SOCIETY JOURNAL : International Journal of Society Development and Engagement Vol 9 No 1: September 2025
Publisher : LPPM of NAROTAMA UNIVERSITY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/scj.v9i1.3476

Abstract

The use of an inappropriate implementation method will result in a delay in project completion time, and conversely, a properly planned implementation method will result in a time-efficient project. In the Container Yard construction project for the Navigation Office and the KPLP Office in Banjarmasin, there was a discrepancy between planned and actual progress in the 23rd week of May, where the actual progress did not reach the planned progress on site. Project execution faced obstacles and constraints, including the availability of skilled labor and the limited supply of construction materials at the project site, as well as the late arrival of materials. In addition, there were also weather factors that caused the project duration to be slightly slower than planned. The earned value method is one of the methods used to analyze a project's time performance. This method can be used to calculate the estimated time required for project completion. This underlies this research to analyze earned value to determine the extent of the project's time performance. Furthermore, the use of the earned value method in this research object is based on the need to integrate project performance measurement, which includes time and work items. The results of the study show that time performance (Schedule Performance Index) has a value of less than 1, indicating that the project performance is slower than the planned schedule. Meanwhile, the Estimate All Schedule (EAS) value shows a value of 244 days, which is 4 days longer than the planned schedule.
Co-Authors Abdul Q, Muhammad Ali Hasymi Abid, Ahmad Rois Adam, Ijaz Alan Muin, Oskar Ezra Alifian, Muhammad Hilmi Alves, Agata Maria Orleans Andiyan Aprilina, Sasa Ariyanto, Subkhan Asmoro, Mochamad Ranoe Assyifa, Moh Zahdi Aviska Triayaska Balido, Pandji Thoha S. Budi Witjaksana, Budi Dani, Bintang Arma Erni Puspanantasari Putri, Erni Puspanantasari Esti Wulandari Esti Wulandari Farokhman, Moh Fani Febryan, Daniswara Fawwaz Firdaus, Muhammad Bayu Intan Kusumaningayu Jaka Purnama Jamiludin, Jamiludin Khakimin, Achmad Lukmanul Klau, Maria Junita Koten, Oktafiano Agustinus Laksono Djoko Nugroho Luis, Laurenco Mardiah, Arifa Minaryo, Kris Muchamad Lutfi, Muchamad Mughni, Amalia Fathimah Azh Zhahra Muhammad Efendi, Muhammad Muhammad Shohib, Muhammad Muqaddas, Zaiful Novianto, Muhammad Taufik Nugraha, Budidarma Ardi Nurkaruniati, Titik Oetomo, Wateno Omanwar, Shreeniwas Patriadi, Andi Pramadha, Ichsan Yanuansyah Pratondo W, Wahyu Proboretno, Wuri Puspanantasari, Erni Rahmad Junaidi, Rahmad Rahmatullah, Yan Rakasyiwi, Gilang Ramadhan Renden, Afrianto Tandi Riduwan, Sanda Praja Risma Marleno Riyadi, Noor Rizkiardi, Aditya Rochmat, Muhammad Fikri Ar Rohim, Abd. Rudiansyah Rudiansyah, Rudiansyah Sajiyo Sajiyo, Sajiyo Saputri, Firda Auliya Ajie Selan, Mikdon Tobi Sembiring, Yuriza Fauziah SETIAWAN, ENDIK Setyagraha, Javan Agustian Shinta Berlinda Wulandari Slamet Riyadi Sugeng Hariyadi, Sugeng Suprapto, Aki’ Supriyanto, Yunaidi Veithzal Rivai Zainal Zuhri, Syaefuddin