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NYOMAN DITA PAHANG PUTRA, NYOMAN
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Financial Feasibility Study of 4-Storey Building Development (Case Study: Center for Language and Culture Building) Utami, Imanda Prasetya; Putra, I Nyoman Dita Pahang
Jurnal Talenta Sipil Vol 8, No 2 (2025): Agustus
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/talentasipil.v8i2.916

Abstract

Indonesia's rapid population growth, accompanied by significant developments in the field of education, has driven the need for educational facilities. One of the initiatives that can be carried out is the construction of the Center for Language and Culture Building. However, before the construction of the building is carried out, a financial feasibility study should first be carried out. Thus, research was carried out aimed at ensuring that development projects are financially feasible and avoid losses in the future. The method used is the Discounted Cash Flow (DCF) method, using NPV, IRR, BCR, ROI, and Payback Period as the eligibility assessment criteria. The data needed includes building development planning data and building operational data. The results of the analysis are a positive NPV of ID15,312,986,696.52, IRR of 28.28%, BCR of 2.47, ROI of 34.73%, and a payback period of 3 years and 8 months, which shows that the project is feasible to be implemented.
Analysis of Factors Affecting Material Supply Chain Performance in High-Rise Building Construction Projects Rahayu, Jatiningrum; Putra, I Nyoman Dita Pahang
Jurnal Talenta Sipil Vol 8, No 2 (2025): Agustus
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/talentasipil.v8i2.919

Abstract

The construction industry plays a vital role in the economic development and infrastructure of a country. One of its main challenges lies in the complexity of high-rise building projects, which require tight coordination in the procurement of materials, equipment, and resource management, involving multiple parties that form a complex supply chain. This study aims to analyze the factors that influence the performance of the material supply chain, in order to improve the performance of the material supply chain in the future, with a focus on the flow in the supply chain. The research involved respondents from several high-rise construction projects using purposive sampling techniques. The analysis was conducted using Partial Least Squares Structural Equation Modeling (PLS-SEM) to identify relationships among variables. The results show that information flow and financial flow have a positive and significant impact on material supply chain performance, whereas material flow does not show a significant effect. However, proper monitoring and management of material flow remain essential to improving supply chain performance. 
Occupational Safety and Health Model Affecting Worker Performance Using Structural Equation Modelling Romadhoni, Firda Amalia Putri; Putra, I Nyoman Dita Pahang
Gema Lingkungan Kesehatan Vol. 23 No. 3 (2025): Gema Lingkungan Kesehatan
Publisher : Poltekkes Kemenkes Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36568/gelinkes.v23i3.296

Abstract

Construction is one of the industries with a high risk of occupational accidents, which can negatively impact worker performance. The high rate of workplace accidents in this sector makes the implementation of an effective Occupational Safety and Health (OSH) system crucial. Occupational safety and occupational health can be key factors in improving worker performance. This study aimed to identify the most significant OSH factors affecting worker performance in the context of construction projects. The methodology used in this study was data collection through a questionnaire designed to evaluate various aspects of OSH and worker performance using a Likert scale. Data were collected from 50 respondents involved in five high-rise construction projects in Surabaya. The research findings indicate that occupational health factors have a more significant impact compared to occupational safety factors. The analysis shows that improving occupational health programs, such as regular health check-ups and providing adequate facilities, can directly improve worker performance. These findings underscore the importance of construction companies integrating occupational health aspects into their OSH programs, not only to protect workers but also to improve the performance of construction project workers. This study provides new insights into understanding the relationship between OSH and worker performance, while also offers practical recommendations for the construction industry to create a safer occupational environment and improve worker performance more effectively.
ANALISIS BIAYA MANAJEMEN RISIKO PADA PROYEK PENGAMAN MUARA SUNGAI BOGOWONTO SISI TIMUR (KSN) YIA Putri, Ardelia Dewani; Putra, I Nyoman Dita Pahang
RADIAL : Jurnal Peradaban Sains, Rekayasa dan Teknologi Vol. 11 No. 1 (2023): RADIAL: JuRnal PerADaban SaIns RekAyasan dan TeknoLogi
Publisher : Universitas Bina Taruna Gorontalo

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Abstract

Abstrak: Analisis Biaya Manajemen Risiko Pada Proyek Pengaman Muara Sungai Bogowonto Sisi Timur (KSN) YIA. Analisis biaya manajemen risiko pada Proyek Pembangunan Pengaman Muara Sungai (jetty) merupakan hal yang penting dilakukan untuk penelitian. Bangunan pengaman sungai atau jetty sendiri memiliki bermacam-macam risiko proyek yang dapat menghambat proses kegiatan pada proyek serta mempengaruhi pencapaian proyek. Dampak dari risiko tersebut selain mempengaruhi biaya juga menimbulkan keterlambatan proyek. Berdasarakan permasalahan yang disebutkan diatas, tujuan dari penelitian ini untuk mengetahui risiko yang terjadi pada Proyek Pembangunan Pengaman Muara Sungai Bogowonto Sisi Timur (KSN) YIA serta menganalisis biaya dan mengetahui tindakan mitigasi risiko tersebut. Pada penelitian ini menggunakan metode wawancara sebagai pengumpul data. Sebagai analisis kuesioner menggunakan metode rata – rata (mean) dan untuk analisis biaya menggunakan Cost / Benefit Analysis (CBA) atau analisis biaya / manfaat. Hasil analisis kuesioner menggunakan metode rata-rata (mean) menunjukkan 5 risiko tinggi yang memerlukan mitigasi dan hasil analisis biaya memberikan rekomendasi 4 upaya tindak lanjut yang layak diterapkan dan 1 upaya tindak lanjut yang tidak layak diterapkan. Upaya tindak lanjut yang tidak layak tersebut dikarenakan biaya yang dikeluarkan antara nilai risiko terlalu besar dan biaya implementasi yang tinggi pula, alhasil risiko harus dimitigasi sejak awal. Kata kunci: Manajemen Biaya Risiko; Rata-Rata; CBA Abstract: Cost Analysis Of Risk Management In Security Projects East Side Of The Bogowonto River (Ksn) Yia. Analysis of risk management costs in the Estuary River Safety Development Project (jetty) is an important thing to do for research. The river or jetty safety building itself has various project risks that can hinder the process of project activities and affect project achievement. The Severity of these risks besides affecting costs also causes project delays. Based on the problems mentioned above, the purpose of this study is to determine the risks that occur in the East Side of the Bogowonto River Estuary Development Project (KSN) YIA and to cost analyze and know the risk mitigation measures. In this study using project data as data collectors. As a questionnaire analysis using the average method (mean) and for cost analysis using Cost / Benefit Analysis (CBA) or cost / benefit analysis. The results of the questionnaire analysis using the mean method show 5 high risks that require mitigation and the results of the cost analysis provide recommendations for 4 follow-up actions that are feasible and 1 follow-up that is not feasible. These follow-up efforts are not feasible because the costs incurred between the value of the risk are too large and the costs of implementation are also high, as a result the risk must be mitigated from the start. Keyword: Cost Risk Management, Mean, CBA
ANALISIS RISIKO PADA JEMBATAN JALUR GANDA JALAN KERETA APILINTAS SURABAYA – SOLO (PAKET:JGMS 8) Amala, Aprilia Suci; Putra, I Nyoman Dita Pahang
RADIAL : Jurnal Peradaban Sains, Rekayasa dan Teknologi Vol. 11 No. 1 (2023): RADIAL: JuRnal PerADaban SaIns RekAyasan dan TeknoLogi
Publisher : Universitas Bina Taruna Gorontalo

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Abstract

Abstrak: Analisis Risiko pada Jembatan Jalur Ganda Jalan Kereta Api Lintas Surabaya – Solo (Paket:JGMS 8). Dalam proyek konstruksi tidak lepas dari adanya risiko yang terjadi. Risiko tersebut bisa saja memengaruhi kelangsungan pekerjaan proyek. Maka dari itu perlu dilakukan analisis manajemen risiko. Tujuan dari manajemen risiko untuk mengetahui risiko yang muncul pada proyek tersebut, menentukan level risiko, serta cara penanganan pada risiko yang dominan, Teknik pengumpulan data pada penelitian ini berupa data primer dari hasil wawancara dan kuesioner, dan data sekunder dari hasil studi literatur. Hasil dari identifikasi risiko adalah terdapat 23 variabel risiko yang terjadi pada proyek ini dan hasil dari analisis risiko terdapat 5 variabel yang memiliki level ekstrim yaitu debit air tinggi/banjir, membludaknya sampah di sekitar area proyek, iklim ekstrim, harga bahan bakar naik, kenaikan hara material dan 4 variabel yang memiliki level tinggi yaitu terjadinya longsor saat pekerjaan struktur bawah jembatan, truck mixer telat dating, proses produksi berdampak negatif, dan kerusakan alat berat. Respon risiko pada penelitian ini dilakukan untuk risiko yang memiliki level risiko ekstrim dan tinggi sebanyak 9 variabel. Respon risiko yang dilakukan dengan cara mengurangi risiko dan menghindari risiko. Kata kunci: analisis risiko; jembatan kereta api; manajemen risiko Abstract: Risk Analysis on the Surabaya – Solo Cross Railway Double Track Bridge (Package:JGMS 8). In a construction project, there are risks that occur. These risks may affect the continuity of project work. Therefore its necessary to do a risk management analysis. The purpose of risk management is to find out the risks that arise in the project, determine the level of risk, and how to handle the dominant risks. Data collection techniques in this study are in the form oof primary data from interviews and questionnaires, and secondary data from the result of literature studies. The result of risk identification are that there are 23 risk variables that occur in this project and the results of the risk analysis are that there are 5 variables that have extreme levels, namely high water discharge/floods, overflowing of waste around the project area, extreme climate, rising fuel prices, rising nutrients materials and 4 variables that have high levels, namely the occurrence of landslides during the construction of the under-bridge structure, mixer trucks arriving late, the production process has a negative impact, and heavy equipment damage. The risk response in this study was carried out for risks that have extreme and high risk levels as many as 9 variables. Risk response is carried out by reducing risks and avoiding risks. Keyword: risk analysis; railroad bridge; risk management
Analisis Mutu dan Faktor-faktor yang Mempengaruhi Mutu Beton Kolom Menggunakan Metode SPC dan RII Siska Ayu Aprilia Yusuf; Putra, I Nyoman Dita Pahang; Widowati, Elok Dewi
Jurnal Civil Engineering Study Vol. 5 No. 02 (2025): Jurnal Civil Engineering Study
Publisher : Civil Engineering of Universitas Islam Nahdlatul Ulama Jepara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34001/ces.v5i02.1337

Abstract

Beton merupakan material yang umum digunakan dalam pelaksanaan konstruksi karena mempunyai kekuatan tekan yang tinggi dengan biaya yang terjangkau. Namun, dalam pelaksanaannya sering dijumpai hasil akhir beton atau mutu beton aktual yang tidak sesuai dengan mutu beton rencana. Oleh karena itu, untuk meminimalisir terjadinya penyimpangan mutu dilakukan pengendalian mutu terhadap beton. Tujuan penelitian ini adalah untuk mengetahui ketepatan mutu beton kolom pada Proyek Pembangunan Hotel X berdasarkan SNI 2847:2019 dan untuk mengetahui faktor-faktor yang mempengaruhi ketepatan mutu beton kolom pada Proyek Pembangunan Hotel X. Penelitian ini menggunakan dua jenis data yaitu sekunder dan data primer. Data sekunder berupa hasil uji kuat tekan beton pada kolom, sedangkan data primer didapatkan dari kuesioner. Penelitian ini menggunakan metode Relative Importance Index (RII) dan metode Statistical Process Control (SPC). Hasil penelitian ini menyimpulkan bahwa mutu beton aktual lebih tinggi dari mutu beton rencana serta indikator yang sangat mempengaruhi ketepatan mutu beton berdasarkan nilai RII adalah rasio berat air dan semen.
- Examination of Technical Factors Influencing Building Maintenance in the Post-Retention Period Putra, Moch. Maulana Kurnianda Saputra; I Nyoman Dita Pahang Putra
Jurnal Civil Engineering Study Vol. 5 No. 02 (2025): Jurnal Civil Engineering Study
Publisher : Civil Engineering of Universitas Islam Nahdlatul Ulama Jepara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34001/ces.v5i02.1378

Abstract

Building maintenance is essential for ensuring structural sustainability, especially during the post-retention period when responsibilities shift to the owner. This study analyzes the influence of six technical factors—building design, maintenance frequency, material availability, weather adaptation, material quality, and quality control—on maintenance success. A quantitative approach with Structural Equation Modelling (SEM) was used, based on 50 expert responses. Results show all six factors significantly affect maintenance success, material quality was identified as the most dominant indicator within the technical factors construct, with a loading factor score of 0.784. Of the success indicators—cost, time, quality, user safety health and security, and durability—quality assurance is the most dominan with a loading factor score of 0.841. The model explains 61.8% of variance (R² = 0.618), demonstrating strong predictive relevance. These findings underscore the importance of integrating high-quality materials, applying strict quality control, and employing strategic planning. The study offers practical insights for building owners and contractors during the post-retention phase. Future research may expand on technological and environmental considerations for better maintenance outcomes.
Optimization of material requirements to support the accuracy of delivery materials based on quantity of cubicost analysis results Fandini, Reina Maulidya; Putra, I Nyoman Dita Pahang; Trigunarsyah, Bambang
SINERGI Vol 29, No 3 (2025)
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/sinergi.2025.3.017

Abstract

Construction projects heavily rely on labor, materials, and equipment to ensure timely completion, with materials being a significant cost component. This study addresses discrepancies between rebar inventory and material demand, which can disrupt production and delay project completion. This study aims to determine the rebar volume using Cubicost TRB and optimize the lowest requirement cost by applying the Silver-Meal and Wagner-Whitin algorithms. Detailed engineering data supports the application, ensuring rebar bends meet technical standards at beam, column, and slab intersections. Material planning incorporates project schedules, inventory records, and rebar volume data from Cubicost. This planning considered the minimization of ordering and storage costs. The results showed that the volume of rebar calculated using the Cubicost application was more accurate than the project's bill of quantity data. The use of the Cubicost application proved to be more advantageous, resulting in a 1% reduction compared to the project data. Then, the Silver Meal algorithm resulted in total costs that were 21% lower than those of the Wagner-Whitin method in minimizing overall inventory costs, particularly for high-demand rebar types such as D13 and D19. These findings highlight the importance of accurate inventory scheduling and selecting appropriate lot-sizing techniques to minimize costs and prevent delays. Future research can compare Cubicost TRB’s accuracy with other software and extend the Silver-Meal and Wagner-Whitin algorithms to other materials.
Labor Productivity Disparities in the Planning and Implementation Phases Prasetyo, Aditya Rachmad; Putra, I Nyoman Dita Pahang; Ahmed, Suliman Badawi
Potensi: Jurnal Sipil Politeknik Vol. 27 No. 2 (2025): Potensi: Jurnal Sipil Politeknik
Publisher : Department of Civil Engineering, Politeknik Negeri Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35313/potensi.v27i2.6287

Abstract

Infrastructure plays an important role in promoting connectivity, economic growth, and community welfare. In the construction sector, labor productivity is a crucial factor that determines project accomplishment. This study aims to analyze and compare the labor productivity during planning and implementation phase using secondary data as the main source. Data sources include a valid project documents and related regulation. The analysis carried out to find the planned labor productivity based on the cost budget plan and time schedule, the realized productivity value based on the cost budget plan and daily report, and the comparison between the two. The results showed that there was a significant variation in the labor productivity level between the planning and implementation phases of the project. There was an increase in labor productivity in several types of work including plastic cast installation 47%, D36-300 dowel installation 12%, 2-layer wiremesh 35%, Rigid Pavement K-350 28%, and joint filler work 71%. On the other hand, works such as flooring and tie-bar works experienced a decrease in labor productivity by 47% and 11%. These findings provide valuable insights for project management to improve future planning and execution, emphasizing the need for continuous labor productivity evaluation to achieve optimal result.
Co-Authors Adibah Nurul Yunisya Ahmed, Suliman Badawi Alfonsus Fung Abimanyu Wicaksono Amala, Aprilia Suci Amelia Indah Faradilla Anggraeny, Anggi Dwi Anna Rumintang Anwar, Nadjadji Awati, Mawinda Oktrify Bagas Andrian Permana Bambang Trigunarsyah Bambang Trigunarsyah, Bambang Bangun Muljo Sukojo, Bangun Muljo Bawana, Massayu Sekar Budi, Fakhruddin Prasetya Chakim, Ahmad Ibnul Christiono Utomo Dewanty, Maharani Putri Diyasa, I Gede Susrama Mas Dwi Lutfil Khakim Erma Suryani Fadillah, Naufal Luthfi Fandini, Reina Maulidya Fatimah, Alifah Siti Hadianto, Usman Haholongan M, Aris Pistar Halim, Ismail Hidayatul Ulumiya 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 Mitasari, Agusvivia Mudjahidin Muttaqin, Muh. Darul Muzaffar, Risal Muzdhalifa, Rencany Maura Natasya, Dininda 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 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 Supriyono, Auliyah Shabirah Utami, Imanda Prasetya Velantika, Griselda Junianda Widowati, Elok Dewi Yehezkiel Rivaldo Zetta Rasullia Kamandang