Jurnal Teknik Industri Terintegrasi (JUTIN)
Vol. 9 No. 3 (2026): July

Analisis Produktivitas Menggunakan Metode Objective Matrix (OMAX) dengan Pendekatan Root Cause Analysis (RCA)

Qipty Raihan Azizah (Universitas 17 Agustus 1945 Surabaya)
Siti Mundari (Universitas 17 Agustus 1945 Surabaya)



Article Info

Publish Date
04 Jul 2026

Abstract

PT. XYZ is a firm that works in the steel and building construction industry. Throughout its manufacturing operations, the company has encountered ongoing difficulties in meeting production targets consistently, resulting in reduced productivity performance. This study aims to evaluate productivity levels through the Objective Matrix (OMAX) method, with the Analytical Hierarchy Process (AHP) applied to determine and prioritize the relevant productivity indicators. In addition, Root Cause Analysis (RCA) is employed to investigate the underlying factors contributing to the company's productivity issues. The results of the study show that productivity indicators fluctuated during the measurement period. October recorded the highest productivity level at a productivity index of 105%, while November recorded the lowest productivity level at -3%. The AHP weighting results showed that Ratio 1 and Ratio 5 had the highest weights, achieving the lowest performance compared to the other ratios. Based on the RCA analysis and the fishbone diagram, the causes of low productivity stemmed from human, machine, material, and working condition factors. The root causes were then analyzed using the 5 Whys method to determine proposed improvements aimed at increasing the company’s productivity

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Journal Info

Abbrev

jutin

Publisher

Subject

Decision Sciences, Operations Research & Management Energy Engineering Industrial & Manufacturing Engineering Mechanical Engineering

Description

Jurnal Teknik Industri Terintegrasi merupakan jurnal yang dikelola oleh Program Studi Teknik Industri Fakultas Sains dan Teknologi Universitas Pahlawan Tuanku Tambusai yang menjebatani para peneliti untuk mempublikasikan hasil penelitian di bidang ilmu teknik dan teknik industri mencakup proses ...