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All Journal Jurnal Industri dan Teknologi Samawa (JITSA) Hexagon
Nurulinzany
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Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Industrial & Manufacturing Engineering

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PENERAPAN METODE PERAMALAN DALAM MENENTUKAN JUMLAH PRODUKSI OKKY KOKO DRINK LECI PADA PT. XYZ Nurulinzany; Sawal, Ahmad; Jamaluddin, Dirayati
Jurnal Industri dan Teknologi Samawa Vol 6 No 2 (2025): EDISI 12
Publisher : Program Studi Teknik Industri Universitas Teknologi Sumbawa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36761/jitsa.v6i2.5963

Abstract

PT. XYZ is a company engaged in the soft drink manufacturing industry. One of its products is Okky Koko Drink Lychee. The production capacity of PT. XYZ is 6,000 boxes per shift. The problem that often occurs at PT. XYZ is the discrepancy between the company's work plan and budget (RKAP), production that has been determined at the beginning of the year based on actual data releases. So that the production planning that has been carried out by PPIC is considered less valid, because it is only based on historical data estimates. Based on the results of the study that has been carried out by determining data patterns using the eviews application using the Augmented Dickey Fuller (ADF) test, a trend data pattern is obtained and the methods used are Moving Average, Exponential Smoothing and Linear Regression. Using a smoothing constant with a value of M = 2-9 on the Moving Average, ? used in Exponential Smoothing 0.1-0.9 and x = 2 on Linear Regression. The method that has the smallest level of forecasting error is the Exponential Smoothing method with a value of a = 0.8, because it has a MAD value of 29,931.92, an MSE value of 1,328,504,000 and a MAPE value of 0.27% with a forecast value for the next period of 160,269. So a = 0.8 is the best for forecasting Okky Koko Drink Lychee at PT. XYZ
ANALISIS POSTUR KERJA PADA PEKERJAAN PENGELASAN DI PT. XYZ (PERSERO) PADA PROYEK PEMBANGUNAN JETTY PLTMGU LOMBOK PEAKER DENGAN MENGGUNAKAN REBA, NBM DAN TREE DIAGRAM Nurulinzany; Iksan Adiasa; Puput Sri Utami
Hexagon Vol 6 No 1 (2025): HEXAGON - Edisi 11
Publisher : Fakultas Teknologi Lingkungan dan Mineral - Universitas Teknologi Sumbawa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36761/hexagon.v6i1.5125

Abstract

XYZ is a State-Owned Enterprise (BUMN) engaged in the construction sector. One of the infrastructures currently being built by PT. XYZ is the Construction of the Lombok Peaker PLTMGU Jetty in Mataram. Based on the results of observations, it was found that there was a risk of danger to welding workers that could cause work-related illnesses in spun pile welding workers or piles, so further analysis is needed. This study aims to analyze work postures and complaints and provide suggestions for welding work at PT. XYZ on the Lombok Peaker PLTMGU jetty construction project. The methods used are the Rapid Entire Body Assessment (REBA), Nordic Body Map (NBM) and tree diagram methods. The results of the study obtained REBA on the first, second and fourth welders were at a high risk level. The results of the Nordic body map score for welder 1 are in the moderate category, meaning that corrective action may be needed. Several workers filled out complaints of pain in several parts of the body. The proposed improvements are adequate rest, adjusting the height of the pile to be welded to the height of the welder, the welder welding with a more upright body, and providing a chair for the welder. It is expected that this research can minimize the risk of work-related illness in welding work at PT. XYZ on the Lombok Peaker PLTMGU jetty construction project.
Co-Authors Iksan Adiasa Jamaluddin, Dirayati Puput Sri Utami Sawal, Ahmad