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All Journal Industrika : Jurnal Ilmiah Teknik Industri
Anugrah, Siti Nabilah Putri
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Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Engineering Industrial & Manufacturing Engineering

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Optimasi Penjadwalan dan Percepatan Proyek Upgrade H2S Analyzer dengan Metode CPM dan PERT Al Veronica, Uzi; Sutrisno, Sutrisno; Anugrah, Siti Nabilah Putri; Anisti, Tiara Nanda; Wildan Fatchan Maulidin
Industrika : Jurnal Ilmiah Teknik Industri Vol. 9 No. 4 (2025): Industrika: Jurnal Ilmiah Teknik Industri
Publisher : Fakultas Teknik Universitas Tulang Bawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37090/9zsx2031

Abstract

Project delays are a major threat in project management that can result in increased costs and decreased operational efficiency. Therefore, an appropriate planning method is needed to optimize the schedule and reduce the risk of delays. This study aims to analyze the critical path and determine the optimal time in the H₂S Analyzer Upgrade project using the Critical Path Method (CPM) and Program Evaluation and Review Technique (PERT). CPM is used to identify critical activities, namely contracts (A), field surveys (B), specifications (C), H₂S Analyzer (F), tubing & tubing connections (G), sample conditioning systems (H), accessories (I), electrical & instrument cables (J), bulk materials (K), and spare parts for one year of operation (L). The results of the analysis show that the CPM method estimates the project duration of 235 days. Meanwhile, the PERT method provides an estimate of completion in the range of 221 to 251 days, with a probability of project success being completed in 221 days of 0.14%, and in 251 days of 99.86%. The implementation of this method improves the accuracy of project scheduling and supports efficiency in resource management. The results of this study recommend combining CPM and PERT with other optimization techniques, such as crashing, to improve project time and cost efficiency. Keywords: CPM, Critical Path, PERT, Project Management, Time Optimization  
Determining Production Standard Time for Consumable Paper Products to Optimize Production Output Using Time Study Method Anugrah, Siti Nabilah Putri; Alifin, Fakhri Ikhwanul
Industrika : Jurnal Ilmiah Teknik Industri Vol. 10 No. 1 (2026): Industrika: Jurnal Ilmiah Teknik Industri
Publisher : Fakultas Teknik Universitas Tulang Bawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37090/bkmbaf55

Abstract

One of the products of this consumable paper and packaging manufacturer is the ream-type consumable paper. The consumable paper production process still involves a lot of work from machine operators, so the company always designs and then implements changes as an effort to improve. These changes actually make operators need to adapt because work procedures are also undergoing changes, which will also affect production lead times and production output. Therefore, it is necessary to carry out a time study which can then be used as a basis for creating work standards for operators. The method used in this research is direct measurement of working time, namely the stopwatch time study approach. The research results show that the standard times for conditions 1 to condition 4 are respectively 4632,97 seconds, 4718,97 seconds, 4929,80 seconds and 5024,80 seconds. The amount of standard output that the company can obtain in 1 work shift for conditions 1 to condition 4 respectively is 163,5 packs/shift, 160,2 packs/shift, 153,4 packs/shift, and 150,5 packs/shift. Meanwhile, the work element that determines the lead time is work element D. Keywords: Output Optimization, Stopwatch Time Study, Work Standards
Co-Authors Al Veronica, Uzi Anisti, Tiara Nanda Fakhri Ikhwanul Alifin Sutrisno, Sutrisno Wildan Fatchan Maulidin