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OPERATION EXCELLENCE: Journal of Applied Industrial Engineering
Published by Universitas Mercu Buana
ISSN : 2085429     EISSN : 26545799     DOI : 10.22441/oe
Core Subject : Science,
Decision Sciences, Operations Research & Management
The aim of Operations Excellence: Journal of Applied Industrial Engineering (OE Journal) is to publish theoretical and empirical articles that are aimed to contrast and extend existing theories, and build new theories that contribute to advance our understanding of phenomena related with industrial engineering and industrial management in organizations, from the perspectives of Quality Engineering, Productivity Improvement, Logistic & Distribution, Supply Chain Management, Performance Management & Improvement System, Modelling, Operations Management, Optimization, Green Manufacturing.
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Articles 10 Documents
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Search results for , issue "Vol. 14, No. 2, (2022): OE JULY 2022" : 10 Documents clear
Efek Mediasi Implementasi Social Sustainability Terhadap Kinerja Perusahaan di Masa Pandemi Covid-19 Bowie Prasetyo; Sumarsono Sudarto
Operations Excellence: Journal of Applied Industrial Engineering Vol. 14, No. 2, (2022): OE JULY 2022
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/oe.2022.v14.i2.054

Abstract

This study aims to examine the mediating effect of the implementation of Social Sustainability on the manufacturing supply chain to find the right model for resilience to future economic disasters.  This study took data as a sample of 150 respondents from all 160 companies in supply chain that were able to survive during the pandemic. Using the variables Management Commitment and Financial Support as well as SEM-PLS tools  to test the hipothesis of a direct or indirect relationship to company performance.  The research findings indicate that the effect of the Financial Support variable on Company Performance was initially positive and significant in a direct relationship, turned insignificant if there was a Social Sustainability implementation variable as a mediating variable.  Same things are shown in the influence of the Management Commitment variable on Company Performance. This finding can be the first step of research on the implementation of Social Sustainability in Indonesia which is still very rarely done and illustrates that during the pandemic when this research was conducted, the focus of the company was to survive the impact and respondent considered the implementation of Social Sustainability to have a negative impact and burden the company’s finances and Performance.
Evaluasi Pemasok Pada Industri Kimia Penjernih Air Dengan Metode AHP Dalam Kerangka Supplier Relationship Management Angga Widyas Swara; Abby Yazid Bustommy
Operations Excellence: Journal of Applied Industrial Engineering Vol. 14, No. 2, (2022): OE JULY 2022
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/oe.2022.v14.i2.050

Abstract

Maintaining the quality of raw materials or materials is a must, so it is necessary to evaluate and select the right supplier to maintain the stability of each chain process. It is impossible to successfully produce low-cost and high-quality products without competent selection and maintenance. This study aims to propose an evaluation model and supplier selection in the water purification chemical industry with Poly Aluminum Chloride (PAC) products within the framework of Supplier Relationship Management (SRM). This research was conducted at a company engaged in the water treatment chemical industry with Poly Aluminum Chloride (PAC) products in powder and liquid form with a production capacity of 19MT/year. PAC is a chemical coagulant used to purify water in wastewater treatment plants and clean water. The method used in this research is the Analytical Hierarchy Process (AHP). The criteria used in this research are Quality, Cost, Delivery, Flexibility, and Responsiveness. Data collection was done by filling out questionnaires to 26 respondents who played a role in making purchasing decisions for raw materials. The results in this study indicate that the Quality Criteria have the largest proportion of weights which if in percent units are 38.9%, discussed by Cost 20.7%, Responsiveness 15.9%, Delivery 12.6%, and the last order is flexibility 11 ,9%. Based on each of these criteria weights, a dashboard is created that functions to provide an assessment to each supplier and provide feedback to suppliers in the form of assessment reports and recommendations given to suppliers.
Analisis Kualitas Pelayanan terhadap Tingkat Kepuasan Pelanggan pada Stasiun Pengisian Bahan Bakar Umum: Studi Kasus SPBU 64.752.02 Yolla Depriany Rimba Panggalo; La Ode Ahmad Safar Tosungku; Lina Dianati Fathimahhayati
Operations Excellence: Journal of Applied Industrial Engineering Vol. 14, No. 2, (2022): OE JULY 2022
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/oe.2021.v13.i2.055

Abstract

One of the public fuel filling stations that is still operating in Samarinda City, East Kalimantan is SPBU 64,752.02 which is located on Jalan Bung Tomo, Sungai Keledang Village, Samarinda Seberang District, Samarinda City, East Kalimantan Province. The road is the main road between cities. The gas station located on the road is classified as crowded, therefore there are many repeated complaints against the services provided, such as the availability of running out of fuel, the cleanliness of the available facilities, to the operator's actions in serving customers. The purpose of this study is to provide results of service quality analysis and proposed improvements to service quality where there are still negative gaps. The method used in determining service quality is the Fuzzy Servqual method based on the dimensions of reliability, responsiveness, assurance, empathy, and tangibles. From the results of this study, the quality of service at the gas station 64,752.02 based on the Fuzzy Servqual method, it was found that the overall attribute statements used in the study had a negative value. Complaints submitted by customers are an important attribute that needs to be improved because the gap between expectations and reality received by customers has not been met by the gas station. The improvement proposal given in this research is expected to increase customer satisfaction if it is implemented with an effective strategy.
Perencanaan Proyek Struktur Semi Gantry Crane Menggunakan Critical Chain Project Management M. Faiizuddaroini; Wahyu Nugroho; Supriyadi Supriyadi; Ahmad Nalhadi
Operations Excellence: Journal of Applied Industrial Engineering Vol. 14, No. 2, (2022): OE JULY 2022
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/oe.2022.v14.i2.051

Abstract

Project completion work has problems related to project completion not being on time, thereby increasing costs and resources. The work on the gantry crane structure includes projects that experience problems related to incompatibility between project planning and actual project work. This study aims to plan project activities by speeding up processing time and providing prevention strategies to minimize project delays. This study uses the critical chain project management method using the cut & paste method by 30%. The results showed the total buffer time was ten days, consisting of eight project buffer days and two feeding buffer days. The total time for the semi-gantry crane structure project has accelerated from 43 days to 33 days. Suggestions for prevention that can be done to complete the project according to the plan are adding project workers, adding tools or machines, and eliminating multitasking activities that cause project workers not to finish their work immediately. 
Analisis Value Stream Mapping dan Eco-Efficiency Untuk Meminimasi Waste dan Dampak Negatif Terhadap Lingkungan Proses Produksi Kayu Lapis Ian Derry
Operations Excellence: Journal of Applied Industrial Engineering Vol. 14, No. 2, (2022): OE JULY 2022
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/oe.2021.v13.i2.056

Abstract

PT. Sumber Graha Sejahtera (Sampoerna Kayoe) is a company that produces plywood products. In identification, the company still produces waste in its production process. Therefore, efforts are needed to minimize waste in order to make the process more efficient and identify whether the process is environmentally friendly with consideration of the level of eco efficiency. This research includes steps, among others, by analyzing the value stream mapping to find out activities that have value added and are categorized as NVA. Furthermore, environmental impact measurement is carried out using LCA (Life Cycle Analysis). In the plywood production process, the waste that often occurs is the presence of bubbles in the plywood. From the measurement results for 1 piece of plywood, the Life Cycle Impact Assessment Damage Category Human Health is 0.00246 DAILY, Damage Category Ecosystem Quality is 0.0135 PDF*m2yr and for Damage Category Resources is 0.0008 MJ surplus. The eco cost is IDR 1,266,196.44. The proposed process to minimize waste is to combine the grading process and the final packaging process so that there is no waiting lag from the grading process to the final packaging process. 
Aplikasi Supply Chain Operation Reference (SCOR) pada Produk Chocodot PT Tama Cokelat Garut Indonesia Nur Hasanah; Vita Sarasi; Ina Primiana
Operations Excellence: Journal of Applied Industrial Engineering Vol. 14, No. 2, (2022): OE JULY 2022
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/oe.2022.v14.i2.052

Abstract

This study applies the SCOR (Supply Chain Operations Reference) method at one of the companies engaged in the Food and Beverage (F&B) sector, namely PT. Chocolate Tama. The goal is to determine the level of importance of the company's five main activities, namely Plan, Source, Make, Deliver and Return so as to measure and improve the company's total supply chain performance. The research begins with determining KPIs and Supply Chain Management Metrics and weighting supply chain management metrics Level I, II and III using AHP. The results of the validation process there are 44 metrics that represent the performance of supply chain activities, namely 11 plan metrics, 10 source metrics, 7 make metrics, 10 deliver metrics and 6 return metrics. The plan activity has the highest weight value of 0.3188, after that successively source is 0.2254, deliver is 0.1560, make is 0.1511 and return is 0.1487. There are 21 sequences of supply chain performance metrics that must be improved so that there are no more delays in the supply of raw materials as well as recommendations for improvement for increasing the company's revenue in the future. The first three sequences that have the highest values that need to be improved are plan source (planning the source of raw materials), forecast accuracy (forecasting accuracy) and purchase order cycle time (determination of purchase order cycle time).
Supply Chain Risk Management Design for U-Hansa Product in Relation to Covid-19 Pandemics Friesca Erwan; Prima Denny Sentia; Zaty Fadhilla; Didi Asmadi; Raihan Dara Lufika; Rizki Agam Syahputra
Operations Excellence: Journal of Applied Industrial Engineering Vol. 14, No. 2, (2022): OE JULY 2022
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/oe.2021.v13.i2.057

Abstract

The recent Covid-19 pandemics situation has brought a lot of discussion on how to manage a supply chain in uncertainty since the dynamic of pandemics risk has altered the way a supply chain is organized. This research aims to identify, asses and manage the possible risks on supply chain that may occur in relation to production process of U-Hansa (USK Hand Sanitizer) following a high demand of hand sanitizer during the pandemics. This research performed risk breakdown structure to identify risks, evaluated the risks using risk matrix 5x5 (MIL-STD-882B) and create risk mapping using the big picture approach. This research revealed that there are 15 risks involved in U-Hansa production process that can potentially disrupt the whole supply chain process of U-Hansa. Factors such as raw material shortage during the Covid-19 lockdown, insufficient production capacity and the limitation of machinery and equipment to support the production contributes to the noticeable risk potential in the overall U-Hansa supply chain network. The overall findings of this research are expected to help the decision-making process that can be utilized in the post-Covid-19 pandemics setting.
Usulan Perancangan Sistem Kerja Dengan Metode Macro Ergonomics Analysis and Design (MEAD) pada Stasiun Kerja Percetakan di UD. Roti Rachmat Purwarkarta Muhammad Ali Akbar; Priyo Ari Wibowo; Ine Indriana Hermawan
Operations Excellence: Journal of Applied Industrial Engineering Vol. 14, No. 2, (2022): OE JULY 2022
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/oe.2022.v14.i2.048

Abstract

The rapid advancement of technology today has helped humans in completing their work. Some jobs that require physical activity can still be observed in various types of industrial sectors. Bad impacts can occur if the workload is too heavy and is done repeatedly so that it can affect the health of workers and decrease productivity. UD. Roti Rachmat Purwakarta is a business engaged in the food industry for making bread. The actual condition is that many activities are carried out manually with non-ergonomic working positions. This study aimed to identify and analyze complaints of the musculoskeletal system on the operator and provide suggestions for designing an ergonomic work system. To improve the work system, namely by using the Macroergonomic Analysis and Design (MEAD) method. Complaint identification was carried out using the Standard Nordic Questionnaire (SNQ). The results showed that the pain experienced by the operator at the printing work station was in the left and right shoulders, back, waist, forearms, wrists, knees, and right hands and calves. The result of the REBA score is 10 which indicates the risk levels are high. The results of the proposed work system design are in the form of a hydraulic trolley designed through an anthropometric approach using the 95th percentile so that the dimensions of the worker's body at the printing work station are shoulder width 45.495 cm, maximum grip diameter of 4.735 cm, elbow height 110.752 cm, foot length 25.639 cm and a foot width of 10.510 cm.
Analisis Kecelakaan Kerja Dalam Upaya Menurunkan Kecelakaan Kerja Menggunakan Metode Fault Tree Analysis Di UMKM Kopi 1000 Nurhidayah Rizal Syarifuddin; Andrie Andrie; Ramli Ramli; Ariangga Dwy Sakti R
Operations Excellence: Journal of Applied Industrial Engineering Vol. 14, No. 2, (2022): OE JULY 2022
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/oe.2022.v14.i2.053

Abstract

Work accidents are one of the most common problems in companies where these accidents often occur in workers and cause severe injuries at the physical level of workers. UMKM Kopi 1000 Nurhidayah in carrying out activities cannot avoid problems that will occur, the purpose of this study is to find out the causes of work accidents that occur and provide solutions to the causes of these events. This type of research is qualitative and quantitative with primary and secondary data using the Fault Tree Analysis (FTA) method. Work accidents in UMKM Kopi 1000 Nurhidayah occur due to human factors, equipment factors, work procedures, and environmental factors. The types of accidents are falls, pinched hands, earaches, backaches, shortness of breath, tightness, eye pain, and blistered hands. The highest cause of accidents was coffee slime with a probability of 7.74% and the lowest was a work shirt with holes and broken glasses with a probability of 0.92%. The solution to the cause of work accidents is to prepare yourself physically and mentally, by periodically replacing damaged personal protective equipment to minimize the impact of work accidents, as well as the need to conduct training on safety standardization, and always maintain a clean work environment.
Analysis on The Mental Workload of Female Lecturers During The Covid-19 Pandemic Euis Nina Saparina Yuliani; Sri Suhartini; Daisy Ade Riany; Defi Norita; Hernadewita Hernadewita; Emi Pahiba
Operations Excellence: Journal of Applied Industrial Engineering Vol. 14, No. 2, (2022): OE JULY 2022
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/oe.2022.v14.i2.049

Abstract

The coronavirus (Covid-19) pandemic continues to create significant effect than initially predicted. In addition, the virus spread showed rapid increment, since March 2020, leading to several impacts on human lives, e.g., education. Furthermore, various government policies, including social distance greatly influences teaching and learning activities, both in high schools and universities. As a consequence, conventional face-to-face learning model was temporarily suspended. This implies the need to engage online education. Prior to the outbreak, the mental workload of lecturers was relatively intense, comprising the three basic pillars of higher education (Tridharma), termed education, research and community service, as well as other additional tasks, including final year project supervisions and hold structural position. During the pandemic, mental workload considerably increased considerably as most lecturers, particularly the females also served as home teachers. Therefore the purpose of this research is to analyze the mental workload of female lecturers during the Covid-19 pandemic in Indonesia. Questionaire is used to measure mental workload taken from the National Aeronautics and Space Administration-Task-Load Index (NASA-TLX). Furthermore, the survey is applied to evaluate job demands. The results showed that teaching, research and housewive role influence the mental workload as an aspect with the maximum score. In comparison, a maximum score of 29% on the mental demand aspect generates a physical demand aspect of 27%.

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