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All Journal Jurnal Teknik Industri Terintegrasi (JUTIN)
Muhammad Iqbal Suseno Putra
Universitas 17 Agustus 1945
Decision Sciences, Operations Research & Management Energy Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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Integrasi WLA dan Total Expected Cost (TEC) untuk Optimalisasi Tenaga Kerja Perakitan Ridge Table di PT Romi Violeta Muhammad Iqbal Suseno Putra; Sajiyo Sajiyo
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 2 (2026): April
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i2.58925

Abstract

Consistent production target shortfalls are a critical indicator of work system inefficiency in manufacturing. PT Romi Violeta recorded Final Assembling output for the Ridge Table product at only 95% of target on average during September–December 2025, with a cumulative deficit of 75 units. This study aimed to identify root causes through: (1) Stopwatch Time Study to establish standard time and output, (2) Work Load Analysis (WLA) to measure workload distribution across 14 operators, and (3) the IFRC questionnaire to assess fatigue levels. WLA results revealed that 5 of 14 operators were in overload condition (N > 1,10), acting as the primary assembly line bottleneck. The proposed remedy—adding 2 mobile helper workers—is projected to normalize workload distribution and guarantee stable target achievement of 7 units/day per operator with no bottleneck risk.
Co-Authors Sajiyo Sajiyo