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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 Teknik Indonesia Jurnal Lingkungan Karya Arsitektur Enrichment: Journal of Multidisciplinary Research and Development IIJSE 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 programme, 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 7.55, 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.
Cost Analysis of Additional Construction Time for the Office Building of the Religious Court of Trenggalek Regency East Java Widyaningsari, Nidya; Tjendani, Hanie Teki; Sajiyo, Sajiyo
Enrichment: Journal of Multidisciplinary Research and Development Vol. 3 No. 9 (2025): Enrichment: Journal of Multidisciplinary Research and Development
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/enrichment.v3i9.573

Abstract

This study investigates the cost implications of accelerating the construction of the Trenggalek Religious Court Office Building in response to delays caused by flooding. Utilizing the crashing method, two acceleration strategies were evaluated: adding overtime hours and increasing workforce. The results indicate that reducing the project duration from 240 days to 180 days through overtime incurs a cost increase primarily due to additional pay, while reducing it to 170 days by adding workers results in higher labor costs. Detailed analysis of durations, costs, and cost slopes for each activity provides valuable insights for project managers to select the most cost-effective acceleration approach. Additionally, a comparative analysis of normal and crashing schedules for various construction tasks highlights potential efficiencies in scheduling and budgeting, ultimately aiding in timely project completion within optimized costs.
Character Analysis And Service Strategy For Sleeper Bus Consumers On The Malang – Jakarta Route Based On User Perspective Rahmad Oktantiyo, Abiyyu; Tjendani, Hanie Teki; Sajiyo, Sajiyo
Enrichment: Journal of Multidisciplinary Research and Development Vol. 3 No. 9 (2025): Enrichment: Journal of Multidisciplinary Research and Development
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/enrichment.v3i9.574

Abstract

This study aims to analyze the character and service strategy for sleeper bus consumers on the Malang-Jakarta route based on the perspective of users. Through a survey approach involving questionnaire instruments, this study integrates the Kano and SERVQUAL methods to identify customer needs and evaluate the gap between expectations and perceptions of service quality. Analysis of user needs characteristics was carried out to understand what attributes are considered important and significantly affect the level of satisfaction in the context of sleeper bus services. The results show that some service attributes fall into the must-be and one-dimensional categories, which are proven to have a strong impact on user satisfaction. Meanwhile, SERVQUAL's analysis identified negative gaps in several service dimensions, especially in terms of reliability and responsiveness. Based on these findings, this study formulated a service improvement strategy that focuses on optimizing priority attributes, improving operational processes, and strengthening comfort and security aspects. This research is expected to contribute to the development of a more responsive and customer-oriented intercity transportation service strategy.
Analysis of Structural Behavior with Stage Construction Analysis Method Compared to Conventional Analysis on Tegalalang Bali Real Estate Building Gunawan, I Wayan; Tjendani, Hanie Teki; Hastijanti, Ar. RA. Retno
Jurnal Teknik Indonesia Vol. 5 No. 1 (2026): Jurnal Teknik Indonesia
Publisher : Publica Scientific Solution

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58860/jti.v5i1.797

Abstract

Conventional structural analysis methods have shortcomings because they assume construction is complete, leading to overestimation in columns and walls. Deformation occurs due to self-weight, altering heights during casting, alongside creep (inelastic deformation from constant loads) and shrinkage (volume change from water loss). Thus, stage construction analysis (SCA) is essential. Analysis followed SNI requirements for shear force (V), vibration period (T), displacement (????), and stress ratio. Structural elements were grouped by construction stages and contours. In SCA, dead and additional dead loads are defined non-linearly, matching stages. SCA increases displacement/deformation by 43% (x-direction), 39% (y), and 44% (z), iron work volume by 7%, and internal forces, reducing column capacity by 27.7% on average. Differences from conventional methods arise because SCA models groups per construction stages, using Nonlinear Stage Construction Load Case for self-weight and dead loads, unlike Static Linear Load Case.
Risk Management Analysis of the Clean Water Pipeline Construction Project of PT CATL Karawang Using the HIRARC Method Zuhriyah, Aminatuz; Tjendani, Hanie Teki; Sajiyo, Sajiyo
INTERNATIONAL JOURNAL ON ADVANCED TECHNOLOGY, ENGINEERING, AND INFORMATION SYSTEM Vol. 4 No. 4 (2025): NOVEMBER
Publisher : Transpublika Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55047/ijateis.v4i4.2073

Abstract

Construction activities for water pipeline projects in industrial facilities present various occupational and operational hazards that may disrupt project performance if not properly controlled. This study aims to analyze the occupational risks associated with the water pipeline construction project of PT CATL Karawang using the Hazard Identification, Risk Assessment, and Risk Control (HIRARC) method. The research was conducted through field observation, work breakdown structure analysis, and semi quantitative risk assessment based on likelihood and severity scoring. The results indicated ten (10) dominant hazards across five (5) major activities including trench excavation, pipe lowering, pipe joint installation, backfilling and compaction, pressure testing, and site restoration. Three (3) risks were categorized as high level, namely trench collapse, pipe dropping during lifting, and stuck by heavy equipment, while the remaining risks were classified as medium level. Appropriate risk controls are recommended following the hierarchy of control, emphasizing engineering controls, administrative procedures, and mandatory use of personal protective equipment. The study concludes that the overall risk category of the project is moderate, high and requires consistent monitoring and implementation of control measures to reduce the probability of incident and ensure safe and continuous project execution.
Analysis of Additional Time Costs Construction of the Religious Court Office Building of Trenggalek Regency, East Java Widyaningsari, Nidya; Tjendani, Hanie Teki; Sajiyo, Sajiyo
Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE) Vol 9 No 1 (2026): Sharia Economics
Publisher : Universitas KH. Abdul Chalim Mojokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31538/iijse.v9i1.9274

Abstract

This study discusses several ways to accelerate the building construction process. The study used two methods, namely crashing and overlapping. The crashing method involves adding overtime hours and labor to shorten the project duration. Meanwhile, overlapping is rearranging the relationship between tasks so that they can be done simultaneously without reducing the initial time, thus accelerating completion at a relatively comparable cost. The analysis results show that both methods are effective in accelerating projects, with the overlapping method requiring less cost and providing greater time reductions. The choice of the best method depends on budget constraints and the project's completion time requirements. Thus, this acceleration strategy can help project management in achieving time targets at an optimal cost.
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 Hastijanti, Ar. RA. Retno I Wayan Gunawan, I Wayan 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 Rahmad Oktantiyo, Abiyyu Rahmatullah, Yan Rakasyiwi, Gilang Ramadhan Renden, Afrianto Tandi Riduwan, Sanda Praja Risma Marleno Riyadi, Noor Rizkiardi, Aditya Rochmat, Muhammad Fikri Ar Rohim, Abd. 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 Widyaningsari, Nidya Zuhri, Syaefuddin Zuhriyah, Aminatuz