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Economic Feasibility Analysis Based on Optimal Cash Flow Planning on the A. Road Construction Project Mahrusah, Safira; Putra, I Nyoman Dita Pahang
Composite: Journal of Civil Engineering Vol 3, No 1 (2024): Juni 2024
Publisher : University of Merdeka Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26905/cjce.v3i1.13101

Abstract

Capital resources play an important role in a project. The optimization of working capital effectively and efficiently can have a major effect on achieving the maximum profit value for the contractor. Therefore, controlling cash flow is very important. One alternative that can be used to obtain maximum profit is the right scheduling. This study aims to plan scheduling optimally using the Ms.Poject ap`plication by utilizing float time. Where the utilization of float time uses a scheme with  25% down payment and without down payment. The float time variations used are 0%, 50% and 100%. An economic feasibility analysis was conducted to review the NPV, BCR, and ROI values. From the analysis results, the greatest profitability was obtained in the alternative without a down payment using 100% float. With an NPV value of Rp16,164,849,630, BCR value of 1.0651, and ROI value of 6.51%. It can be concluded that this alternative has maximum profitability.
Perencanaan Sumber Daya Material pada Pekerjaan Arsitektur dengan Material Requerement Planning (MRP) pada Proyek Gedung Bertingkat Muttaqin, Muh. Darul; Putra, I Nyoman Dita Pahang
Jurnal Talenta Sipil Vol 7, No 2 (2024): Agustus
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/talentasipil.v7i2.572

Abstract

Construction in Indonesia is one of the government's top priorities in an effort to improve the welfare of the society. Construction planning must be carefully planned in order to achieve efficiency in project implementation, in terms of time and cost. A construction project requires planning and controlling material inventory. The purpose of material planning and control is so that construction projects can run smoothly, effectively and efficiently. Material planning and control can be analyzed using the material requirements planning (MRP) method. In this study, using economic order quantity (EOQ) and period order quantity (POQ) techniques. Cost budget design data, s-curves, work unit price analysis, and work progress reports are the data components to be processed. The results showed the cost of procurement of materials needed with the EOQ technique, namely: purchase cost of IDR 8,466,623,718.49, ordering cost of IDR 1,598,050.00, and storage cost of IDR 8,942,979.62. The total cost required is IDR 8,477,164,748.11. Furthermore, for the POQ technique, namely: purchase cost of IDR 8,466,623,718.49, ordering cost of IDR 1,598,050.00 and storage cost of IDR 9,674,554.05. The total cost required is IDR 8,477,896,322.53 Comparison of the costs required from the EOQ and POQ techniques can be concluded that Material Requirement Planning (MRP) using the Economic Order Quality (EOQ) technique is less costly than the Period Order Quantity (POQ) technique. Material procurement using Economic Order Quality (EOQ) is more effective. This is because the EOQ technique requires less costly / economic procurement compared to the POQ technique. In addition, with the application of the EOQ technique, there is a clearer material ordering schedule and the amount of material ordered is in accordance with the needs so that the material storage is not too much.
Implementasi Building Information Modeling (BIM) terhadap Mutual Check 100 pada Pekerjaan Struktur Proyek Rusun Asrama Polisi Pingit Yogyakarta Sianturi, Niel Tamsoju; Pahang Putra, I Nyoman Dita
Jurnal Talenta Sipil Vol 7, No 2 (2024): Agustus
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/talentasipil.v7i2.553

Abstract

Along with the development of Industry 4.0 technology, Building Information Modeling (BIM) has emerged as an innovation in planning, designing, and executing construction projects. BIM is a technological concept with methods and workflows based on project work information, all integrated into a digital model, which is then translated into a three-dimensional representation to enhance building design and construction productivity. In the Police Dormitory Apartment Project in Pingit, the need for quick and accurate calculations, cost projections, and volume of structural work is crucial. This can be easily realized through the application of Tekla Structures Building Information Modeling (BIM). It is expected that there will be a clear depiction of how BIM-based construction technology can be effectively utilized in this project. The method used is the BIM method with Tekla as the supporting software. From this modeling, it was found that the total cost of foundation work had a cost difference of IDR 19.973.729,42, which is 1,63%; the total cost of pedestal column work had a cost difference of IDR 13,713,600.03, which is 6,37%; and the total cost of sloof work had a cost difference of IDR 14.423.328,99, which is 6,06%. The total cost difference for all structural work on the foundation, sloof, and pedestal column was IDR 48.110.658,44, which is 2.86%. This suggests that the cost calculations using Tekla Structures are smaller compared to the MC100 work quantity.
Material Planning Analysis with Material Requirement Planning Method in High-rise Building Projects Awati, Mawinda Oktrify; Putra, I Nyoman Dita Pahang
Sustainable Civil Building Management and Engineering Journal Vol. 1 No. 3 (2024): July
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/scbmej.v1i3.2438

Abstract

Planning material supplies well is very important in implementing construction projects to ensure smoothness and efficiency. Smoothness includes thorough planning, including ensuring materials are met as planned, while efficiency aims to reduce time and cost. In this study, material planning will be carried out using the Material Requirement planning (MRP) method, using three different lot measurement techniques, namely Lot for Lot (LFL), Economic Order Quantity (EOQ), and Period Order Quantity (POQ). The MRP method is carried out to accurately calculate the amount of material needed to avoid excessive material inventory levels. After the MRP method, the most optimal number of orders and the total cost required for each lot measurement technique are obtained. The results of this study show that the LFL technique produces the optimum number of orders for gelam wood, plywood, reinforcement, bendrat wire, and ready mix concrete. Meanwhile, for materials such as lubricating oil, meranti wood, randu wood, and nails, it is optimal to order using the POQ technique.
Cost Budget Analysis for Equal Distribution of Labour for Multi-Storey Buildings Construction Dewanty, Maharani Putri; Putra, I Nyoman Dita Pahang
Sustainable Civil Building Management and Engineering Journal Vol. 1 No. 3 (2024): July
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/scbmej.v1i3.2439

Abstract

Although all resources on a construction project have their respective roles, the availability of labour significantly impacts how far the project moves forward and is completed. According to Kastor and Sirakoulis (2009), calculating the number of workers according to the construction schedule is crucial because, without this consideration, the resulting schedule may not be effective and efficient. process used for construction project resources to reduce fluctuations (Waluyo & Aditama, 2017). This research compares labour allocation, duration, and labour wage cost budgets under several conditions. These conditions include actual project conditions, planning, and results after levelling using an auto schedule. In project planning, the fluctuations obtained are pretty sharp. After the auto schedule levelling, the manpower no longer experienced overallocation, but fluctuations between weeks were still relatively high. This can happen because the quantity of work and labour in the construction projects under review is not comparable to the effects of project delays. The results obtained from the comparisons analyzed on the X-storey building construction project are that the auto schedule does not change the initial planning duration, which remains at 133 days. There was a disparity of 0.02% in auto schedule planning costs from 1,098,345,000.00. Meanwhile, in actual conditions, the labour cost budget increased by 0.12% from IDR 967,880,000.00 after the auto-schedule levelling process. It can be concluded that before resource levelling is carried out, it is necessary to review project scheduling and accelerate the duration of implementation, specifically if construction projects experience delays and other factors, so as not to cause fluctuations caused by the uneven quantity of work over some time.
Application Development of Building Maintenance Periodization on Surabaya City Government Property Putra, I Nyoman Dita Pahang; Suryani, Erma; Mudjahidin; Trigunarsyah, Bambang; Diyasa, I Gede Susrama Mas
Nusantara Science and Technology Proceedings 8th International Seminar of Research Month 2023
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/nstp.2024.4136

Abstract

Building maintenance is a very important activity and requires regular or scheduled implementation so that financial budgeting can be prepared and scheduled better. The building maintenance application is managed at the Regional Apparatus Work Unit through the Building Maintenance Section which inputs coding, building name, Final Hand Over (FHO) time, maintenance period, components and types of work, amount, unit cost, and construction cost. Observation data was collected on one hundred schools and government buildings for 5 years. Identify the components and types of work that require maintenance through interviews with the infrastructure division of each building that is surveyed. Observations and interviews are needed as a basis for determining the components and types of work that often occur in damage to each building after FHO. After the data is inputted, to prove the actual damage conditions to the buildings being reviewed, verification is required by the infrastructure division in each building. Verification consists of: building name, FHO time, maintenance period, components and types of work, quantity. The infrastructure division cannot see and change unit costs and development costs. Decision making on the implementation of building maintenance from the existing output is carried out by the Head of the Regional Apparatus Work Unit. Decisions taken by the Head of the Regional Apparatus Work Unit are expected to represent the priority scale of building maintenance that must be carried out by the Regional Apparatus Work Unit. In this building maintenance application, the total maintenance costs for each building and each month can be generated every year, and the total maintenance costs for the entire building and every month for each year, and the level of damage can be generated for each maintenance carried out on each building, and can the components and types of work to be carried out each month are known.
FEASIBILITY ANALYSIS OF INVESTMENT IN SENTUL MARKET REVITALIZATION YOGYAKARTA Mei Lutfi Yudhitasari; I Nyoman Dita Pahang Putra
Scientica: Jurnal Ilmiah Sains dan Teknologi Vol. 2 No. 5 (2024): Scientica: Jurnal Ilmiah Sains dan Teknologi
Publisher : Komunitas Menulis dan Meneliti (Kolibi)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.572349/scientica.v2i5.1423

Abstract

Revitalization of traditional markets is carried out to increase economic growth. A large enough investment is needed to realize the project, so it is necessary to conduct an investment feasibility analysis. The purpose of this feasibility analysis is to determine the profitability of an investment with the result in the form of a feasible decision or not. This study reviews financial aspects using the parameters of Net Present Value (NPV), Internal Rate of Return (IRR), Benefit-Cost Ratio (BCR), and Payback Period (PP). Then, the sensitivity of kiosk and los levy rates to NPV and PP values was analyzed. Based on the calculation analysis, the NPV value during the economic period was -8,596,409,255, the IRR was 2.746%, and the BCR was 0.6885. PP analysis shows that the capital issued will not return. Based on the results of the analysis, the revitalization of Sentul Market Yogyakarta is classified as unfeasible from a financial point of view. The sensitivity of kiosk and los levy rates to NPV values shows that revitalization will be feasible if kiosk and los levy rates are increased by at least 68.31%
ANALYSIS OF LABOR NEEDS USING THE RESOURCE LEVELING METHOD ON THE MAIN STRUCTURE OF HIGH-RISE BUILDINGS Panjaitan, Nita Jesika; Putra, I Nyoman Dita Pahang
Scientica: Jurnal Ilmiah Sains dan Teknologi Vol. 2 No. 5 (2024): Scientica: Jurnal Ilmiah Sains dan Teknologi
Publisher : Komunitas Menulis dan Meneliti (Kolibi)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.572349/scientica.v2i5.1425

Abstract

The distinctive characteristic of construction projects is that they involve a series of activities that are carried out once and within a specific timeframe. As project development progresses, there are limitations in the availability of resources, an imbalance in the workforce, sharp fluctuations, and the requirement for significant expenses. Labor and costs need to be analyzed based on existing qualifications throughout the project using the resource leveling method with the aid of Microsoft Project 2013 software to achieve more efficient and ideal results. Labor analysis is conducted based on real conditions on the field before and after the leveling process. The allocation before the leveling process experiences sharp fluctuations and exceeds the daily availability of labor. After the leveling process, the fluctuations are low, and the allocation obtained before the leveling process was 1575 people consisting of foremen, carpenters, masons, ironworkers, and laborers, resulting in a total cost of IDR 154,175,000. Meanwhile, after the leveling process, the labor obtained was 1540 people with the same qualifications as before leveling, resulting in a total cost of IDR 150,500,000, and the actual cost amounted to IDR 201,395,000. Thus, labor and costs after leveling produce the most efficient and ideal allocation.
Integrated Evaluation and Learning System with OBE Ecosystem and “MBKM” I Gede Susrama Mas Diyasa; I Nyoman Dita Pahang Putra; Ni Made Ika Marini Mandenni; Mohammad Rafka Mahendra Ariefwan; Rangga Laksana Aryananda
Nusantara Science and Technology Proceedings 7st International Seminar of Research Month 2022
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/nstp.2023.3381

Abstract

Outcome-Based Education (OBE) is an outcome-based or achievement-based learning system. The system emphasizes the achievements of student learning that must be identified first (for example, students must have the attainment of knowledge about something that must be mastered or students must have skills that must be achieved, for example, having to know knowledge about websites and having to be able to make webs) which can then be used as a basis for determining the future, planning what learning methods are, and assessments (assignments, quizzes, presentations, tests, etc.) adjusted to these outputs (results of statistical analysis of previous results/outcomes). In contrast to traditional learning, the major attention is on the teaching and learning process that adapts to the material in the syllabus. In addition, the assessment in conventional learning uses the knowledge that must be achieved, while the OBE assessment process uses a predetermined outcome level. The outcome to be determined and achieved is determined based on the stakeholder (alumni, graduate, company/workplace, or someone who has an interest and is bound by the study program or course that adapts to the needs of the company or workplace), if traditional learning only uses the syllabus or material that has been determined which is relatively the same every year.
Analysis Waste Level of Column Reinforcement Work Planning with Software Cutting Optimization Jagad, Sulthanul Auliya; Putra, I Nyoman Dita Pahang
CogITo Smart Journal Vol. 10 No. 2 (2024): Cogito Smart Journal
Publisher : Fakultas Ilmu Komputer, Universitas Klabat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31154/cogito.v10i2.813.433-446

Abstract

In the era of globalization, construction development in Indonesia has experienced significant acceleration, accompanied by innovation in its implementation methods. One of the main problems in construction projects is material waste, especially in column work. This study aims to analyze the level of waste in column reinforcement work by applying the cutting optimization method using Cutting Optimization Pro software and analyzing the diameter of the reinforcement that produces the greatest waste. The research method used is quantitative by analyzing secondary data through shop drawings and detailed standards from construction projects. The study was conducted on column work from Ground to Floor 5 by calculating material requirements using the Bar Bending Schedule and optimizing cutting patterns through Cutting Optimization Pro Software. The results show that the lowest percentage of waste D16 is 0%, the highest at Ø8 is 2.653%, and the overall average waste is 0.916%. This study provides new insights into the importance of innovation in material planning and management in the construction industry. By utilizing optimization software, contractors can improve efficiency and reduce the impact of material waste. This study is expected to be a reference for contractors in adopting new technologies in the management of material waste.
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