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All Journal Teknika STTKD: : Jurnal Teknik, Elektronik, Engine Spektrum Industri
Pramoedya Nugroho, Aldi
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Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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ANALISIS FAKTOR PENYEBAB KETERLAMBATAN REPAIR ROLLER FAIRLEAD DENGAN METODE KMO DAN RCA PADA KAPAL ABC Pramoedya Nugroho, Aldi; Syaifullah, Hafid
Teknika STTKD: : Jurnal Teknik, Elektronik, Engine Vol 10 No 2 (2024): TEKNIKA STTKD: JURNAL TEKNIK, ELEKTRONIK, ENGINE
Publisher : Sekolah Tinggi Teknologi Kedirgantaraan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56521/teknika.v10i2.1292

Abstract

Ship transportation is a very important tool for the sustainability of the maritime industry. Considering the importance of using ships, regular repairs are needed on ship components, one of which is the roller fairlead. Repairs to the roller fairlead on the ABC ship, which were originally only scheduled for 7 working days, were delayed by up to 38 working days. Therefore, this research aims to analyze the factors causing delays in the roller fairlead repair process on ABC Ships carried out by PT XYZ. Data collection was carried out by conducting direct interviews and distributing questionnaires to related parties. The data that was collected was processed using the Kaiser-Meyer-Olkin (KMO) and Root Cause Analysis (RCA) methods to identify and analyze the root causes of delays. The results of the analysis show that the main factor causing delays is a lack of labor allocation with a mean value of 4.38. Based on the results of this analysis, suggestions for improvement are given using the fishbone diagram tool. In this way, PT XYZ is expected to be able to increase work effectiveness, so that similar incidents do not happen again in future projects
Weighting the Indoor Environmental Quality on Work Performance Tranggono, Tranggono; Anggoro, Radityo; Mukhtarul Haqi, Muhamad; Pramoedya Nugroho, Aldi
Spektrum Industri Vol. 23 No. 2 (2025): Spektrum Industri - October 2025
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/si.v23i2.420

Abstract

Poor indoor environmental conditions are often associated with reduced concentration, lower motivation, and decreased productivity in office settings. Addressing this issue requires a systematic assessment of Indoor Environmental Quality (IEQ) and its contribution to work performance. This study examines the effect of Indoor Environmental Quality (IEQ) on office worker performance, focusing on five components: Indoor Air Quality (IAQ), Thermal Comfort, Lighting Quality, Acoustic Quality, and Occupant Experience. The Best-Worst Method (BWM) was applied to determine the relative importance of these factors through a combination of subjective surveys and objective weighting using linear programming. Results indicate that Occupant Experience, particularly ergonomic improvements such as adjustable furniture and optimized layouts, has the strongest influence on productivity. Thermal Comfort ranks second, followed by Lighting Quality, Acoustic Quality, and IAQ. Sensitivity analysis confirms the robustness and consistency of the findings. This research contributes by offering a systematic weighting of IEQ factors, highlighting the central role of ergonomics in workplace design. The study emphasizes that integrating ergonomic and environmental considerations is essential to improve worker performance. The novelty of this study lies in integrating Occupant Experience into the BWM framework, providing a more comprehensive model of IEQ and offering new insights for designing healthier and more productive office environments.
Co-Authors Mukhtarul Haqi, Muhamad Radityo Anggoro, Radityo Syaifullah, Hafid Tranggono Tranggono