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All Journal Industrika : Jurnal Ilmiah Teknik Industri International Journal on Advanced Technology, Engineering, and Information System (IJATEIS)
Puspanantasari, Erni
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Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering

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Analisis Penentuan Frekuensi Pengiriman Guna Meminimalkan Biaya Transportasi Dengan Menggunakan Metode Distribution Requirement Planning (DRP) Fauzi, Rachmad Rizky; Puspanantasari, Erni
Industrika : Jurnal Ilmiah Teknik Industri Vol. 9 No. 1 (2025): Industrika: Jurnal Ilmiah Teknik Industri
Publisher : Fakultas Teknik Universitas Tulang Bawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37090/indstrk.v9i1.1914

Abstract

PT. SM, a company engaged in fertilizer production. The purpose of the study is to identify and address the problems facing companies with less optimal shipping frequency and high transportation costs. In this study, DRP techniques were selected because they allowed the planning and scheduling of product distribution to be efficient. The research process begins with data collection such as product demand, operational cost, and shipping routes. Analysis is conducted to identify more effective sales management solutions. The results of the survey showed that the DRP method reduced sales costs significantly compared to the methods the company previously used. Based on calculation, the total distribution cost of the company incurred before applying the DRP method in a given delivery period is Rp 22.050.000. After applying the DRP methode, the total distribution cost reaches Rp 14. 700. 000,- equivalent to savings of Rp 7. 350. 000 or about 33.33%. Thus, the implementation of DRP methods not only reduces transportation costs but also improves the efficiency of product distribution management.. Keywords : Cost Analysis, DRP, EOQ, Forecasting  
Time and Cost Analysis Using the Fast Track Method in the ITS Bank Building Construction Project Rudiansyah, Rudiansyah; Tjendani, Hanie Teki; Puspanantasari, Erni
INTERNATIONAL JOURNAL ON ADVANCED TECHNOLOGY, ENGINEERING, AND INFORMATION SYSTEM Vol. 4 No. 3 (2025): AUGUST
Publisher : Transpublika Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55047/ijateis.v4i3.1824

Abstract

Higher education institutions are required to provide a conducive learning environment to produce excellent and competitive human resources. One of the keys supporting factors is the availability of adequate infrastructure, including accessible financial services within the campus. Institut Teknologi Sepuluh Nopember (ITS) responded to this need by constructing a banking building as part of its efforts to create an integrated digital campus ecosystem. However, the project faced significant delays from the original schedule, prompting the need for acceleration strategies that maintain both cost and quality. One such strategy is the Fast Track method, which allows construction activities to be carried out in parallel to shorten the project duration. This study aims to analyze the project’s time and cost using the Fast Track method, a project acceleration technique that enables activities to be performed simultaneously to reduce execution time. The research was conducted on the ITS Banking Building construction project, which has a contract value of Rp 11,871,000,000 and a planned duration of 120 calendar days. The analysis involved identifying critical activities using the Critical Path Method (CPM) and then rescheduling using the Fast Track approach to calculate the optimal time and cost. The results of the study show that the optimal project duration after applying the Fast Track method is 112 working days, which represents a 6.7% reduction from the original 120 days. The optimal cost after acceleration using the Fast Track method is Rp 9,696,512,763, representing a 9.3% reduction from the initial cost of Rp 10,694,683,195pa.
Co-Authors Fauzi, Rachmad Rizky Hanie Teki Tjendani, Hanie Teki Rudiansyah Rudiansyah, Rudiansyah