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Perbandingan Plat Hollow Core Slab (HCS) Dan Cast In-Situ : Biaya, Dan Waktu (Studi Kasus : Project Museum Al-Kitab GBI Summarecon Bandung) Ridwan, Ma'sum Alanur; Nurasiyah, Siti; -, Istiqomah
Jurnal Teknik Sipil dan Teknologi Konstruksi Vol 11, No 2 (2025): JURNAL TEKNIK SIPIL DAN TEKNOLOGI KONSTRUKSI
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jts-utu.v11i2.13420

Abstract

 A In the construction industry, there are two primary methods for concrete work: the conventional method (cast in situ) and the precast method. This study compares existing conventional floor slabs in the Al-Kitab GBI Summarecon Bandung Museum project with the precast Hollow Core Slab (HCS) system as an alternative modification. The conventional method is carried out directly on-site, requiring extensive formwork, labor, and strict supervision, resulting in a longer construction timeline. The precast HCS method does not require formwork, offers better quality control as it is manufactured in a factory, and requires less labor, although it necessitates heavy machinery for the installation of structural elements. The differences in characteristics between these two methods impact construction costs and the duration of the work. This study employs a quantitative descriptive approach tailored to the research variables, focusing on current issues and construction phenomena. The analysis compares the two construction methods based on two main aspects: cost and construction time, focusing on floor slab structures. Based on the analysis of the two floor slab methods—cast-in-place and precast hollow core slab (HCS)—it was found that the precast HCS slab system has an advantage in terms of construction time, being 46 days or 29.3% faster than the cast-in-place method. However, in terms of cost, the precast HCS method is more expensive by Rp264,422,444.67 or 4.11% compared to the cast-in-place method.
Comparison of Time and Cost Efficiency: Conventional Scaffolding vs. Perth Construction Hire in Building Construction Projects (Case Study: Integrated Medical Education Building, Jenderal Soedirman University) Humaira, Lutfi Zukhruf; Nurasiyah, Siti; Pratama, Naufal Ariq
Portal: Jurnal Teknik Sipil Vol 17, No 2 (2025): October Edition
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/portal.v17i2.7719

Abstract

The selection of scaffolding type is a crucial aspect in construction project execution, as it significantly affects time effectiveness and cost efficiency. This study aims to analyze the cost and time associated with the use of scaffolding and Perth Construction Hire (PCH) in the construction project of the IME Building at Jenderal Soedirman University (UNSOED), and to compare both methods in order to determine the most optimal alternative. The research employs a descriptive quantitative approach, conducted through observation and the collection of secondary data, including detailed engineering design (DED) drawings, Unit Price Analysis (AHSP), and price lists for scaffolding and PCH. The collected data were analyzed to calculate the time productivity and cost of each scaffolding method. The results indicate that PCH is more effective in terms of time, offering a saving of approximately 4 days or 20% compared to scaffolding. However, in terms of cost, scaffolding is more efficient, as the cost of using PCH is approximately 24% higher. Therefore, it can be concluded that PCH excels in time effectiveness, while scaffolding is more suitable for cost efficiency in the execution of this project.
Analysis of Investment Feasibility Study of Bandung Intra Urban Toll Road in Bandung City Putri, Ghinaa Salsabila; Akbardin, Juang; Nurasiyah, Siti
Portal: Jurnal Teknik Sipil Vol 17, No 2 (2025): October Edition
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/portal.v17i2.7755

Abstract

This study aims to analyze the investment feasibility of the Bandung Intra Urban Toll Road (BIUTR) construction project using Net Present Value (NPV), Internal Rate of Return (IRR), Payback Period (PP), and Benefit-Cost Ratio (BCR) methods. The research employs a quantitative descriptive approach, analyzing investment and operational costs projected over a 45-year concession period. Data were processed into project cash flows and evaluated using investment feasibility indicators. The results show that under the Rp1,600 tariff scenario, the project yields a positive NPV of Rp90.66 billion and an IRR of 11.04%, which exceeds the Minimum Attractive Rate of Return (MARR) of 9.31%. The payback period is reached in year 22, month 7, and day 14, indicating the project begins to generate net profit before the concession ends. A BCR value greater than 1 also indicates that the financial benefits outweigh the incurred costs. These findings are expected to serve as a reference for the government and investors in making strategic decisions regarding toll road infrastructure investments based on financial feasibility.
Quantity Take-off Using Building Information Modeling on Superstructure Works Bahtiar, Farhan Rafid; Nurasiyah, Siti; Istiqomah, Istiqomah
Portal: Jurnal Teknik Sipil Vol 17, No 2 (2025): October Edition
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/portal.v17i2.7788

Abstract

Technological advancements in the construction industry have encouraged the adoption of Building Information Modeling (BIM) as a digital approach in project implementation. This study discusses the implementation of BIM in calculating work volumes (Quantity Takeoff/QTO) and project scheduling by considering labor fluctuations through resource leveling analysis. The objective of this research is to compare QTO results between BIM and conventional methods, as well as to analyze labor requirements and project duration. This research uses a case study method on the superstructure phase of a building project. The comparison results show a difference in work volumes between the BIM and conventional methods, namely 8.98% for reinforcement work, 13.23% for concrete casting, and 8.57% for formwork. Based on these findings, this study provides a quantitative overview of the differences between the conventional and BIM-based methods in terms of work volume. Further studies are recommended using more diverse case objects and a broader scope of construction work.
CLOUD-BASED DATABASE MANAGEMENT UNTUK SISTEM LABORATORIUM VOKASIONAL TEKNIK ELEKTRO Aribowo, Didik; Albaarik, Nur Yauma; Zia Ulhaq, Muhamad; Nazifah, Imratul; Nurasiyah, Siti; Rifa Putu Azim, Ahmad; Nadiroh, Lailatul; Permana, Ghifari; Erniyawati, Erniyawati
Jurnal Inovasi dan Teknologi Pendidikan Vol. 4 No. 1 (2025): Jurnal Inovasi dan Teknologi Pendidikan
Publisher : LPPM Universitas Bina Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46306/jurinotep.v4i1.109

Abstract

This study aims to develop a cloud-based database management system to enhance the efficiency of managing the Electrical Engineering Vocational Laboratory. The system was designed based on observations of conventional, non-digitalized methods, complemented by literature reviews and direct interviews. Performance testing using Google PageSpeed Insight showed highly optimal results, with perfect performance scores of 100 on desktop and 95 on mobile. The system architecture follows a modular design using the MVC (Model-View-Controller) approach, ensuring efficient development and maintenance website visit statistics in April 2025 reflected active system usage during academic periods, with resource efficiency during idle times. The results demonstrate that this cloud-based system provides high flexibility, speed, and scalability, making it an ideal solution for supporting vocational education digitalization in the industry 4.0 era
Time Performance Analysisi of Hotel Building Construction Project Using Performance Intensity Method Destryan, Wina; Nurasiyah, Siti; Pratama, Naufal Ariq
Portal: Jurnal Teknik Sipil Vol 17, No 2 (2025): October Edition
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/portal.v17i2.7724

Abstract

In project implementation, both owners and contractors place great emphasis on timely completion. However, project delays often occur, necessitating an effective time performance analysis method to minimize the risk of delays. Therefore, a project time performance analysis was conducted by comparing actual field data with the initial plan. This study used a quantitative descriptive approach by analyzing variables from field observation data. The project was scheduled for completion on December 30, 2025, with a duration of 514 calendar days. The analysis was conducted in the 35th and 48th weeks of project implementation. The results in the 35th week showed a slower project completion prediction, namely around February 22, 2026. However, in the 48th week, the project was estimated to be completed earlier, namely on December 27, 2025, where the contractor could save 0.37% of the overall progress of the plan that had been implemented.