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Program Studi Teknik Sipil Fakultas Teknik Universitas Pembangunan Nasional “Veteran” Jawa Timur
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Comparative Analysis of Formwork Systems: Cost Efficiency and Time Management in Construction Projects Auliyah Shabirah Supriyono; I Nyoman Dita Pahang Putra; Bambang Trigunarsyah
Advance Sustainable Science Engineering and Technology Vol. 7 No. 2 (2025): February-April
Publisher : Science and Technology Research Centre Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/asset.v7i2.1320

Abstract

Formwork systems are essential for achieving efficiency and sustainability in multi-story construction. This study compares the cost and time efficiency of multiplex and aluminum formwork systems for constructing beams and slabs on the 6th to 13th floors. Field observations and a literature review were employed to gather data using a mixed-methods approach. This study adopts a mixed-methods approach, combining quantitative and qualitative methods. The findings reveal that aluminum formwork requires 60 days to complete, compared to 112 days for multiplex formwork, saving 52 days. Regarding cost, aluminum formwork amounts to IDR 1,805,910,198, offering savings of IDR 159,540,423 compared to multiplex formwork at IDR 1,965,450,621. Graphical analysis highlights the advantages of aluminum formwork in optimizing project workflows and reducing delays. These results demonstrate aluminum formwork potential to enhance efficiency, minimize material waste, and support sustainable construction practices. Future research is encouraged to explore alternative materials and labor strategies to further advance sustainability in the construction industry.
Exploration of Identification at Each Phase to Advance Productivity Towards Sustainable Practices Azhahra Divia Putri; I Nyoman Dita Pahang Putra; Adibah Nurul Yunisya
Advance Sustainable Science Engineering and Technology Vol. 7 No. 2 (2025): February-April
Publisher : Science and Technology Research Centre Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/asset.v7i2.1333

Abstract

This study analyzes the productivity of tower cranes in high-rise building construction projects in Indonesia, focusing on sustainable practices and advanced techniques. The rapid growth of infrastructure has heightened competition in the construction sector, making efficiency essential. Tower cranes are key to accelerating project timelines and reducing costs, but their productivity can differ between theoretical specifications and actual field conditions. Using a quantitative descriptive method, this study compares theoretical productivity based on equipment specifications with direct field observations of the Potain MCT 205 tower crane at a high-rise site. Data on cycle time and lifting volume for work such as column reinforcement and concrete pouring were collected. Results show that theoretical productivity is higher than field observations, with a 40% increase for works and up to a 92% increase per phase. The findings stress the importance of incorporating advanced planning and sustainable practices to optimize productivity, minimize delays, and reduce costs in construction projects
Analisis Produktivitas Tower Crane pada Pembangunan Gedung Gereja Kemah Tabernakel Pantai Indah Kapuk 2 Haholongan M, Aris Pistar; Putra, I Nyoman Dita Pahang
Ranah Research : Journal of Multidisciplinary Research and Development Vol. 7 No. 3 (2025): Ranah Research : Journal Of Multidisciplinary Research and Development
Publisher : Dinasti Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38035/rrj.v7i3.1583

Abstract

The implementation of project work often encounters obstacles, with delays in time being the most common issue. The use of heavy equipment is one of the factors that helps accelerate the project execution to align with the project plan. This study aims to compare the productivity of tower crane on site with the produtivity based on specification. In this research, two types of tower cranes were used, namely the Potain MC 465 and the Potain MC 310 K12. The study was conducted over 20 days, observing the volume of materials transported and the cycle time required to lift the materials. The results of the study show that the average productivity of the Potain MC 465 tower crane on-site is 11,135.492 kg/hour, while the specification indicates 12,286.752 kg/hour. For the Potain MC 310 K12 tower crane, the on-site productivity is recorded at 8,506.263 kg/hour, and 9,197.890 kg/hour according to the specifications. The difference in productivity between the actual site conditions and specifications reflects a decrease in equipment performance, with a percentage reduction of 9.37% for Potain MC 465 and 7.519% for Potain MC 310 K12. This decrease in productivity is caused by the difference in cycle time observed on-site compared to the time specified in the equipment specifications. The average cycle time for Potain MC 465 on-site is 3.256 hours, while the specification indicates 2.961 hours. For Potain MC 310 K12, the cycle time on-site is 3.948 hours, while the specification is 3.658 hours. The difference in cycle time between actual site conditions and specifications shows a reduction of 9.96% for Potain MC 465 and 7.93% for Potain MC 310 K12.
Comparative Analysis of Crawler Crane Productivity in Girder Erection: A Theoretical Study and Direct Observation Bawana, Massayu Sekar; Puspita, Milinda Nur Indah; Putra, I Nyoman Dita Pahang
CIVED Vol. 12 No. 1 (2025): March 2025
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/cived.v12i1.698

Abstract

Every construction project, in general, has a specific and systematic method implementation program, such as the utilization of heavy equipment in girder erection work. This focus is selected based on the high technical complexity of girder erection work, so the productivity of heavy equipment greatly affects the work's success. The aim is to analyze the suitability between theoretical calculation of crawler crane productivity and direct observations in girder erection work and identify the factors that cause the productivity difference. This study combines the theoretical calculations and direct observations to evaluate the productivity of crawler cranes in girder erection work. Based on theory, the method of calculating crane productivity is done by analyzing the operating cycle time and productivity of crawler cranes. With the direct observations method, actual data is taken in the field, which is then calculated as the result of its productivity. From the results of this study, it is found that the results of crawler crane productivity in direct observation in the field have a higher productivity value compared to the productivity value in theoretical calculations, namely 1.51 units/hour, while in theoretical calculations, the productivity value is 1.060 units/hour. The difference in value is caused by several factors in the field, such as weather conditions, operational obstacles, and the operator's efficiency.
Analysis of Potential Work Hazard Risk in the Development of the Road Project Using the HIRARC and FTA Methods Manurung, Liza Olivia; Putra, I Nyoman Dita Pahang; Widowati, Elok Dewi
Physical Sciences, Life Science and Engineering Vol. 2 No. 3 (2025): June
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/pslse.v2i3.417

Abstract

Risk refers to a situation with potential loss or the chance of a loss. Every stage in the construction process inevitably carries potential risk hazards that can threaten the safety of workers, the environment, and the surrounding community. Therefore, a study was conducted to analyse possible risks during mobilising heavy equipment and material vehicles, excavation and embankment work, and blasting work in the X Road construction project.  This study employed two methods for risk analysis. The first method involved identifying types of work-related accidents using the HIRARC approach, which included distributing questionnaires to assess each variable's likelihood and severity levels to determine the most significant risk. Then, control measures were applied to the identified risks. After implementing the control measures, a risk reassessment was conducted to assess the level of risk post-control. The identification revealed one dominant variable: heavy equipment overturning from a height. Thus, the analysis continued using the second FTA method to determine the causal factors influencing the risk. The risk was caused by three main factors: human, environmental, and managerial factors, and ten basic events leading to the risk were identified.
Efficiency Analysis of the Combination of Heavy Equipment Use in Excavation and Landfill Work in Road Construction Projects Hadianto, Usman; Putra, I Nyoman Dita Pahang
Physical Sciences, Life Science and Engineering Vol. 2 No. 3 (2025): June
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/pslse.v2i3.438

Abstract

An efficient heavy equipment management system is needed to complete a earthwork on time. This study aims to analyze the productivity and efficiency of the combination of heavy equipment used in excavation and heap work. Heavy equipment productivity is calculated based on cycle time in the field and its needs are calculated based on the volume of the weekly plan. After that, an efficient combination of heavy equipment planning is carried out for excavation and heaping work. The method of calculating heavy equipment needs uses a theoretical approach, with cycle time adjustments based on operational conditions in the field. Efficiency analysis and heavy equipment selection are carried out based on the idle time of the smallest heavy equipment. The Optimal cut-fill Pairing and Sequencing (OPS) method is used to create a scheme of excavation and heaping work. The results of the analysis showed that the most efficient combination of heavy equipment used in excavation work of 14,467.66 BCM every week was 4 units of Kobelco PC 200 excavators, 2 units of Kobelco SK 330 excavators, and 10 units of Hino 500 dump trucks. Meanwhile, in the backfill work of 5,423.96 CCM every week, 1 unit of Komatsu D68ESS bulldozer, 1 unit of Sakai SV512TF sheepfoot roller, and 1 unit of Sakai vibro roller SV512TF are needed. This combination is chosen based on the value of the smallest idle time. With proper planning, high work efficiency, operational cost savings, and project completion are achieved according to the set schedule
ANALISIS RISIKO KECELAKAAN KERJA PADA PROYEK GEDUNG BERTINGKAT MENGGUNAKAN METODE FTA Salsabila Aulia Ayu Lestari Putri Ghozali; I Nyoman Dita Pahang Putra
Jurnal Teknik Sipil Vol 9 No 1 (2025): Jurnal Gradasi Teknik Sipil - Juni 2025
Publisher : P3M Politeknik Negeri Banjarmasin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31961/gradasi.v9i1.1383

Abstract

Berdasarkan data Kecelakaan Kerja (KK) dan Penyakit Akibat Kerja (PAK) Profil K3 Nasional 2023, melalui pelaporan dan pengawasan ketenagakerjaan, terlihat bahwa angka kecelakaan kerja cenderung meningkat. Pada bulan Oktober 2023, jumlah kecelakaan kerja di Indonesia mencapai 315.579 kasus. Penelitian ini bertujuan untuk mengetahui jenis kecelakaan kerja apa saja yang mungkin akan terjadi beserta faktor penyebab dari timbulnya kecelakaan tersebut dan tindakan pencegahan penanganan apa saja yang dapat dilakukan di proyek pembangunan Twin Tower UPN “Veteran” Jawa Timur. Metode yang dilakukan dalam penelitian ini adalah Fault Tree Analysis (FTA) menggunakan MOCUS untuk mengetahui Minimal Cut Set. Berdasarkan hasil Analisa yang telah dilakukan dapat diketahui bahwa di dalam proyek tersebut terdapat 7 aktivitas yang berpotensi menimbulkan kecelakaan kerja serta faktor yang mempengaruhi dan juga tindak pencegahan dari enam pengendalian risiko yaitu substitusi, eliminasi, rekayasa alat, administrasi, APD, dan tanggap darurat yang terepresentasi di dalam 4 elemen yaitu kontrol teknik, tindak mitigasi, safety, dan pembuatan peraturan.
A comparison allocation of labor qualification on real, plan, and regulation calculation using resource-leveling method Servanty, Izmanaya Avril; Putra, I Nyoman Dita Pahang; Soetanto, Robby
Jurnal Sistem dan Manajemen Industri Vol. 9 No. 1 (2025): June
Publisher : Universitas Serang Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30656/jsmi.v9i1.10273

Abstract

Labor is a crucial resource in industrial construction projects. A common issue is the uneven number of laborers who are overallocated. This study uses the resource-leveling method to compare and determine the optimal number of labor and project duration based on plan, real, and regulation conditions. In this study, the data required in real conditions is obtained from daily report data. In planned conditions, data is obtained from the scheduled manpower made by the contractor, while in conditions based on regulations, the calculation of the number of laborers uses the coefficient values listed in the Regulation of the Minister of Public Works and Public Housing No. 1 of 2022. This research is measured through disparity values, which show an imbalance in the allocation of labor caused by the uneven allocation of labor based on its workload. The results showed a significant difference in the number and distribution of labor. Regulation conditions resulted in higher labor numbers due to detailed calculations on each type of work and labor qualifications. The highest disparity occurs in workers, with a value of 0.93 in the plan condition and -0.51 in the regulation condition. The resource leveling helped balance labor allocation but increased project duration from 98 to 112 working days. These findings provide practical insights for project managers to optimize worker planning and distribution, improve efficiency, and reduce overallocated risks.
Comparative Analysis of Formwork Systems: Cost Efficiency and Time Management in Construction Projects Supriyono, Auliyah Shabirah; Putra, I Nyoman Dita Pahang; Bambang Trigunarsyah
Advance Sustainable Science Engineering and Technology Vol. 7 No. 2 (2025): February-April
Publisher : Science and Technology Research Centre Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/asset.v7i2.1320

Abstract

Formwork systems are essential for achieving efficiency and sustainability in multi-story construction. This study compares the cost and time efficiency of multiplex and aluminum formwork systems for constructing beams and slabs on the 6th to 13th floors. Field observations and a literature review were employed to gather data using a mixed-methods approach. This study adopts a mixed-methods approach, combining quantitative and qualitative methods. The findings reveal that aluminum formwork requires 60 days to complete, compared to 112 days for multiplex formwork, saving 52 days. Regarding cost, aluminum formwork amounts to IDR 1,805,910,198, offering savings of IDR 159,540,423 compared to multiplex formwork at IDR 1,965,450,621. Graphical analysis highlights the advantages of aluminum formwork in optimizing project workflows and reducing delays. These results demonstrate aluminum formwork potential to enhance efficiency, minimize material waste, and support sustainable construction practices. Future research is encouraged to explore alternative materials and labor strategies to further advance sustainability in the construction industry.
Exploration of Identification at Each Phase to Advance Productivity Towards Sustainable Practices Putri, Azhahra Divia; Putra, I Nyoman Dita Pahang; Adibah Nurul Yunisya
Advance Sustainable Science Engineering and Technology Vol. 7 No. 2 (2025): February-April
Publisher : Science and Technology Research Centre Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/asset.v7i2.1333

Abstract

This study analyzes the productivity of tower cranes in high-rise building construction projects in Indonesia, focusing on sustainable practices and advanced techniques. The rapid growth of infrastructure has heightened competition in the construction sector, making efficiency essential. Tower cranes are key to accelerating project timelines and reducing costs, but their productivity can differ between theoretical specifications and actual field conditions. Using a quantitative descriptive method, this study compares theoretical productivity based on equipment specifications with direct field observations of the Potain MCT 205 tower crane at a high-rise site. Data on cycle time and lifting volume for work such as column reinforcement and concrete pouring were collected. Results show that theoretical productivity is higher than field observations, with a 40% increase for works and up to a 92% increase per phase. The findings stress the importance of incorporating advanced planning and sustainable practices to optimize productivity, minimize delays, and reduce costs in construction projects
Co-Authors Afif, Syahril Nur Khusna Ahmed, Suliman Badawi Alam, Muhammad Miftakhul Alfonsus Fung Abimanyu Wicaksono Alyaa Athooya Minarosi Amala, Aprilia Suci Amelia Indah Faradilla Ananda, Fikri Arief Anggraeny, Anggi Dwi Anna Rumintang Anwar, Nadjadji Aprilia Regita Tri Cahyani Asyari, Saidatul Alfena Putri Awati, Mawinda Oktrify Azhahra Divia Putri Bagas Andrian Permana Bambang Trigunarsyah Bambang Trigunarsyah Bambang Trigunarsyah, Bambang Bangun Muljo Sukojo, Bangun Muljo Bawana, Massayu Sekar Budi, Fakhruddin Prasetya Chakim, Ahmad Ibnul Christabella, Cynthia Cielly Christiono Utomo Dewanty, Maharani Putri Dewi, Risda Yasinta Diyasa, I Gede Susrama Mas Dwi Lutfil Khakim Eka Aprillia Erma Suryani Ewaldo Anggara Putra Fadillah, Naufal Luthfi Fandini, Reina Maulidya Fatimah, Alifah Siti Hadianto, Usman Haholongan M, Aris Pistar Hidayatul Ulumiya I Gede Susrama Mas Diyasa I Made Merdana Ilham Arista Harahap Jagad, Sulthanul Auliya Junianda Velantika, Griselda Mahajana, Adam Niestera Mahardini, Hirdayanti Andina Raissha Mahrusah, Safira Manurung, Liza Olivia Maura Muzdhalifa, Rencany Mei Lutfi Yudhitasari Meylinda Sabrinawati Milinda Nur Indah Puspita Mitasari, Agusvivia Mohammad Rafka Mahendra A Mohammad Rafka Mahendra Ariefwan Monica, Aurel Ghea Mudjahidin Muttaqin, Muh. Darul Muzaffar, Risal Muzdhalifa, Rencany Maura Natasya, Dininda Ni Made Ika Marini Mandenni Ni Made Ika Marini Mandenni Nia Dwi Puspitasari Ningtyas, Diah Kurniawati nur hanifah eka putri Panjaitan, Nita Jesika Pebria, Shinta Amyrul Pinky Febrilla Carienta Putri Prasasto, Adi Radityo Prasetyo, Aditya Rachmad Puspita, Milinda Nur Indah Putra, Moch. Maulana Kurnianda Saputra Putri, Ardelia Dewani Putri, Azhahra Divia Rahayu, Jatiningrum Ramadhani, Achmad Nur Rangga Laksana A Rangga Laksana Aryananda Rifky, Fariz Robby Soetanto Romadhoni, Firda Amalia Putri Salim, Abdurrosid Salsabila Aulia Ayu Lestari Putri Ghozali Sampurno, Ilham Ade Widya Santi Dwi Rahmawati Servanty, Izmanaya Avril Setiawan, Nanang Sianturi, Niel Tamsoju Siska Ayu Aprilia Yusuf Stephanie Almeyda Stieward, Gabriel Hotasi Supriyono Supriyono Supriyono, Auliyah Shabirah Utami, Imanda Prasetya Velantika, Griselda Junianda Wardana, Zahra Ramadhani Widowati, Elok Dewi Yehezkiel Rivaldo Yunisya, Adibah Nurul Zetta Rasullia Kamandang