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All Journal Teknika: Jurnal Sains dan Teknologi Tekinfo | Scientific Journal of Industrial and Information Engineering SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Tibuana : Journal of Applied Industrial Engineering JURNAL PEMASARAN KOMPETITIF Nusantara Science and Technology Proceedings International Journal of Eco-Innovation in Science and Engineering (IJEISE) Juminten : Jurnal Manajemen Industri dan Teknologi Jurnal Pengbdian Teknik Mesin Advance Sustainable Science, Engineering and Technology (ASSET)
Isna Nugraha
Department Of Industrial Engineering, Faculty Of Engineering And Sains, Universitas Pembangunan Nasional “Veteran” Jawa Timur, Surabaya 60294, Indonesia
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Nursing Public Health Social Sciences Other

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Implementation of Lean Six Sigma in Improving Quality by Reducing Defective Products in Aqua Mineral Water Gallon Distribution Rusindiyanto; Isna Nugraha; Friska Aryanti
Nusantara Science and Technology Proceedings 5th International Conference Eco-Innovation in Science, Engineering, and Technology
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/nstp.2024.4507

Abstract

Surya Galon Agent is one of the gallon agents in Sidoarjo. The gallon product that is in great demand is the AQUA gallon. The problem faced is the high number of defects. This research aims to identify the types of defects that cause high levels of weekly defects for one year, determine the factors that influence the quality of AQUA mineral water gallon products at Galon Surya Agent, analyze the main causes of each type of defect and provide suggestions for improvement using the Lean Six Sigma approach. The Lean Six Sigma method seeks to integrate Lean manufacturing principles with Six Sigma. From the total number of gallons of AQUA mineral water products totaling 5720 units, the number of damaged units was 220 units. From research that has been calculated, the DPMO result is 1282 with a sigma level of 3.73. These results show that quality control for AQUA gallon mineral water products still requires improvement to minimize the number of defects. Analysis of SQCDMPE (Safety, Quality, Cost, Delivery, Moral, Productivity, Environment) is Improved monitoring of raw materials; Reduction in defect rate from 3.73 sigma to 4.01 sigma, an increase of 0.28 sigma; Decrease in repair costs through quality control; Improvement in timely delivery of products to consumers, reducing customer complaints; Increased employee satisfaction and motivation through training programs and rewards; Increased productivity due to process improvements and more regular machine maintenance; Reduction in environmental impact through better waste management and use of more eco-friendly raw materials.
Analysis of the Application of the HIRARC Method (Hazard Identification Risk Assessment and Risk Control) and HAZOPS (Hazard and Operability Study) in Identifying Potential Hazards and Risks in the Assembling Contractor Company Division Farida Pulansari; Isna Nugraha
Nusantara Science and Technology Proceedings 4th International Conference Eco-Innovation in Science, Engineering, and Technology
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/nstp.2023.3625

Abstract

Contractor company is a company in Indonesia that produces various kinds of industrial component needs. In the manufacture of these various products, the contractor company has several main processes, one of which is assembly. In addition, a company must have experienced a work accident, so the role of K3 is very important to ensure the safety and health of employees in carrying out their work. Therefore, the contractor company conducts an analysis using two methods, namely the HIRARC method and the HAZOP method. By using these two methods, it aims to determine the potential hazards and risks in the assembly section. Based on the research on the level of hazard through the parameters of likelihood and severity, it is obtained a risk rating consisting of 4 levels, namely Low, Moderate, High, and Extreme. Meanwhile, in determining the accident category, there are 4 categories, namely low risk, medium risk, high risk, and extreme risk.
Defect Analysis Using Fault Tree Analysis and Failure Mode Effect Analysis in Rubber Roll Production Rr. Rochmoeljati; Isna Nugraha
Nusantara Science and Technology Proceedings 4th International Conference Eco-Innovation in Science, Engineering, and Technology
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/nstp.2023.3627

Abstract

XYZ is a company operating in the manufacturing and rubber roll service industry located in Indonesia. The frequent issue within the company is the occurrence of product rejects, leading to inefficient production processes. The research is conducted using the Fault Tree Analysis (FTA) method with recommendations for improvement from the Failure Mode and Effect Analysis. This method is employed to identify the causes of product rejection and provide preventive solutions to avoid such rejections. There are three types of rejects at PT. XYZ, namely blisters rejection with a probability of 1.137%, material impurities rejection with a probability of 1.18%, and PU rejection with a probability of 1.152%. The root causes of these rejections include operators rushing, operator fatigue, machines in need of maintenance, very short production deadlines, operator laziness, incomplete environmental cleanliness facilities, and operators joking around while working. As for recommendations to reduce and prevent the recurrence of these three types of rejections, they include regular machine maintenance, providing customers with longer estimated completion times than the actual estimates, and offering rewards to operators who meet targets without making errors.
Machine Maintenance in the Sabroe Line Using Reliability Centered Maintenance (RCM) and Maintenance Value Stream Mapping (MVSM) Methods Isna Nugraha; Joumil Aidil Saifuddin; Yekti Condro Winursito
Nusantara Science and Technology Proceedings 4th International Conference Eco-Innovation in Science, Engineering, and Technology
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/nstp.2023.3630

Abstract

XYZ is a company that operates in the frozen food industry in particular. The company is a producer of high-quality frozen food products for export, so, naturally, other stakeholders in each division of the company need to work together well. Machine maintenance is a key aspect in maintaining the performance and reliability of industrial equipment. To increase machine maintenance efficiency in this factory, a comprehensive and structured approach is needed. Therefore, this research will discuss the machine maintenance strategy implemented in the Sabroe production line. The two methods that will be the main focus of this research are Reliability Centered Maintenance (RCM) and Maintenance Value Stream Mapping (MVSM). The conclusion obtained by examining the highest Risk Priority Number (RPN) for each component in the blanching machine, it can be concluded that the gearbox component has the highest RPN, namely 216, which is the result of multiplying the Severity, Occurrence, and Detection values. During the period of breakdowns and repairs of the blanching machine, the Mean Time to Failure (MTTF) is found to be 242.2538 hours. Meanwhile, the Mean Time to Repair (MTTR) reaches 172.6 minutes or equivalent to 2.8 hours. The gearbox component requires a repair time of 2.8 hours. The inspection interval for the gearbox component is calculated for 302.01 hours, or every 12 days in a month. Efficiency analysis of maintenance using the Maintenance Value Stream Mapping approach indicates that the percentage of maintenance efficiency reaches 73.2%. Activities that add value require a longer time, around 172.6 minutes, while activities that do not add value require about 63.2 minutes.
MRT Operational Cost Optimization with Lingo Programming and the Vogel Approximation Method Isna Nugraha; Farida Pulansari; Tivani Nava Arier; Achmad Gufron
Nusantara Science and Technology Proceedings 4th International Conference Eco-Innovation in Science, Engineering, and Technology
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/nstp.2023.3632

Abstract

When the MRT was first operated, operations ran smoothly and it is hoped that this condition will continue to be optimal in the long term and have efficient operational costs. As a corporation that offers transportation services, PT MRT XYZ distributes passengers. Fixed expenses, variable costs, and travel costs all have an impact on efficient operational costs. Minimizing operational costs to support other costs, like maintenance costs, is vital for MRT XYZ operations to run as efficiently as possible. The study's goal is to determine the MRT system's operating expenses. The optimal operational costs, which were determined by using the travel matrix computation, were IDR 1,267,110,000,000 based on the analysis and discussion's findings. The factors utilized according to Tyonardo, the MRT station area's function and the costs that affect operations are used to determine the variable number of passengers using financial modeling. Optimizing language costs is anticipated to be the primary determinant in deciding how much profit PT MRT will make.
Quality Control Analysis to Reduce Instant Noodle Product Defects with Six Sigma and Kaizen Method Isna Nugraha; Dwi Sukma Donoriyanto
Nusantara Science and Technology Proceedings 4th International Conference Eco-Innovation in Science, Engineering, and Technology
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/nstp.2023.3633

Abstract

PT. XYZ is a company operating in the food industry, with its main product being instant noodles. In its production process, not all products produced meet the quality standards set by the company. This indicates the presence of defective products, often due to errors in factors such as machinery or human resources, among others. Initial observations reveal that there are still many defects in their products. Quality control at PT. XYZ is done manually by the owner, who supervises each production cycle. Defects in PT. XYZ's products are categorized into three types: torn noodle packaging, crushed noodles, and torn seasoning packaging. Therefore, improvements are needed in the production of instant noodles by PT. XYZ. This research aims to improve the quality of production in the company and to explain the approach to analyzing the defect rate of instant noodles using Six Sigma and Kaizen. The results obtained using the Six Sigma method in the DMAIC analysis (Define, Measure, Analyze, Improve, Control), showed that product quality testing during the instant noodle production process resulted in 3238 failures. The Defects Per Million Opportunities (DPMO) value was 41172.88, which, when converted to a sigma level, was 3.23, indicating that the sigma level was at the industry average in Indonesia. This suggests that there is a potential for 41172.88 defects per one million productions, showing an inconsistent pattern of DPMO and sigma achievement. This indicates that the production process has not been managed accurately and requires improvement, particularly in the quest for zero defects.
Waste Analysis in The Production Process Urea Fertilizer Using The Lean Six Sigma Method and Recommendations for Improving Failure Mode Effect Analysis (FMEA) at PT. Damai Sejahtera Tivani Nava Arier; Rochmoeljati Rochmoeljati; Isna Nugraha
Advance Sustainable Science Engineering and Technology Vol. 6 No. 3 (2024): May - July
Publisher : Science and Technology Research Centre Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/asset.v6i3.579

Abstract

Agriculture plays an important role in the Indonesian economy, fertilizer is an important element in the development of the agricultural sector, especially urea fertilizer. PT. Damai Sejahtera, as one of the largest fertilizer producers in Indonesia, experienced waste in the urea fertilizer production process. In this study, lean six sigma was utilized. Using a lean approach, a reduction in non-value-added activities formed by the nine types of waste of 1360 to 1276 or 6.17% was achieved. However, using six sigma, it was found that the production process was not satisfactory as it resulted in many product defects with 36,331 DPMO and a sigma level of 3.32. Improvement suggestions to increase the sigma value were obtained through FMEA. Through this research, Process Cycle Efficiency was obtained from 74.85% to 80.35%.
Application of the house of risk matrix methodology for supply chain management risk mitigation Ningsih, Gita Wahyu; Ernawati, Dira; Nugraha, Isna
Jurnal Teknika Vol 20, No 2 (2024): Available Online in November 2024
Publisher : Faculty of Engineering, Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/tjst.v20i2.30514

Abstract

For a company, efficient operations hinge on a robust supply chain system. Consequently, it is crucial to manage a well-structured supply chain system effectively. This research examines a manufacturing firm that specializes in producing heavy equipment for industrial applications. The firm adopts a make-to-order (MTO) production strategy, requiring it to order raw materials from suppliers in advance. However, this approach poses multiple risks, including delays or mistakes in raw material deliveries, which directly lead to setbacks in production. In response to these issues, this study seeks to pinpoint potential risks and formulate risk mitigation strategies using the House of Risk (HOR) method. The HOR method is a sophisticated tool tailored for risk mitigation analysis. Through this research, 21 risk events and 15 risk agents were identified, leading to the development of 25 prioritized mitigation strategies to tackle the risks in the company’s supply chain system. These strategies are anticipated to assist the company in reducing supply chain risks, thereby promoting more seamless and effective operational performance.
Pelatihan pembuatan sustainable packaging kemasan tepung mangrove untuk meningkatkan green environment pada masyarakat Kebun Raya Mangrove Surabaya Yekti Condro Winursito; Nur Rahmawati; Isna Nugraha; Rayhan Fatur Maulana; Gilang Ramadhan; Friska Aryanti
SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Vol 9, No 2 (2025): March
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jpmb.v9i2.29829

Abstract

AbstrakKegiatan pengabdian kepada masyarakat ini bertujuan untuk meningkatkan kesadaran dan pengetahuan masyarakat tentang pengemasan berkelanjutan melalui pelatihan pembuatan kemasan ramah lingkungan untuk produk tepung mangrove. Program ini dilaksanakan di UPTD Kebun Raya Mangrove Surabaya sebagai bentuk inovasi desain kemasan yang mendukung pelestarian lingkungan. Sosialisasi dilakukan kepada 30 peserta yang terdiri dari masyarakat sekitar dengan didampingi pegawai UPTD. Metode pelaksanaan yang digunakan yaitu sosialisasi yang melibatkan 30 peserta dari mitra UPTD Kebun Raya Mangrove Surabaya. Adapun kegiatan sosialisasi meliputi koordinasi awal, sosialisasi kepada masyarakat, dan evaluasi terhadap kegiatan ini dilakukan melalui pre-test dan post-test untuk mengukur peningkatan pemahaman peserta serta survei kepuasan guna menilai efektivitas metode yang diterapkan. Hasil evaluasi menunjukkan adanya peningkatan pemahaman dan keterampilan peserta setelah mengikuti kegiatan ini, yang diharapkan dapat memberikan dampak positif terhadap pemanfaatan kemasan ramah lingkungan, seperti pengurangan limbah plastik, hilangnya sumber daya, dan peningkatan kesadaran lingkungan. Hasil dari kegiatan ini menunjukkan bahwa desain kemasan ramah lingkungan untuk tepung mangrove dapat menjadi solusi inovatif dalam mendukung lingkungan hijau dan meningkatkan citra produk. Kegiatan ini mendapat apresiasi positif dari UPTD Kebun Raya Mangrove Surabaya, yang berharap inisiatif ini dapat terus berlanjut sehingga dapat diterapkan secara lebih luas untuk mendukung keberlangsungan lingkungan di berbagai sektor. Kata kunci: kemasan berkelanjutan; kemasan ramah lingkungan; lingkungan hijau; tepung bakau. AbstractThis community service activity aims to increase public awareness and knowledge about sustainable packaging through training in making environmentally friendly packaging for mangrove flour products. This program was carried out at UPTD Mangrove Botanical Garden Surabaya as a form of packaging design innovation that supports environmental conservation. The socialization was conducted to 30 participants consisting of the surrounding community accompanied by UPTD employees. The implementation method used was socialization involving 30 participants from UPTD Mangrove Botanical Garden Surabaya partners. The socialization activities include initial coordination, socialization to the community, and evaluation of this activity through pre-test and post-test to measure the increase in participants' understanding and satisfaction survey to assess the effectiveness of the methods applied. The evaluation results showed an increase in participants' understanding and skills after participating in this activity, which is expected to have a positive impact on the utilization of environmentally friendly packaging, such as reducing plastic waste, loss of resources, and increasing environmental awareness. The results of this activity show that environmentally friendly packaging design for mangrove flour can be an innovative solution in supporting a green environment and improving product image. This activity received positive appreciation from UPTD Kebun Raya Mangrove Surabaya, who hopes that this initiative can continue so that it can be applied more broadly to support environmental sustainability in various sectors. Keywords: eco-friendly packaging; green environment; mangrove flour; sustainable packaging.
Pelatihan pengolahan tepung mangrove kepada pengelola dan masyarakat Sekitar Kebun Raya Mangrove Surabaya Jariyah Jariyah; Isna Nugraha; Hadi Munarko; Gilang Ramadhan; Friska Aryanti
SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Vol 9, No 2 (2025): March
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jpmb.v9i2.29841

Abstract

AbstrakKebun Raya Mangrove Surabaya merupakan kawasan ekowisata yang memiliki potensi besar dalam mendukung keberlanjutan lingkungan dan ekonomi masyarakat setempat. Salah satu produk yang dapat dikembangkan dari kawasan ini adalah tepung pedada (Sonneratia Caseolaris), yang memiliki kandungan bioaktif dengan manfaat kesehatan. Namun, metode pengolahan tradisional yang masih digunakan menyebabkan penurunan kandungan fungsional dalam tepung serta rendahnya nilai jual produk. Kegiatan pengabdian ini bertujuan untuk meningkatkan pemahaman dan keterampilan masyarakat dalam pengolahan tepung pedada yang lebih efisien dan berkualitas. Metode yang digunakan meliputi sosialisasi, penyuluhan, dan pelatihan praktis, dengan melibatkan 30 peserta. Sebelum pelatihan, dilakukan pre-test untuk mengukur tingkat pemahaman awal, yang menunjukkan bahwa hanya 9 orang (30%) memahami proses pengolahan tepung pedada, sementara 21 orang (70%) belum memahami. Selama pelatihan, peserta diberikan materi mengenai manfaat tepung pedada, teknik pemilihan bahan baku, serta proses pengeringan menggunakan alat pengering kabinet. Evaluasi dilakukan melalui post-test, yang menunjukkan peningkatan signifikan dalam pemahaman peserta, dengan 27 orang (90%) telah memahami konsep pengolahan tepung pedada, sedangkan 3 orang (10%) masih belum sepenuhnya memahami. Hasil ini menunjukkan bahwa kegiatan pelatihan berhasil meningkatkan pengetahuan dan keterampilan peserta secara signifikan. Selain itu, metode yang diterapkan terbukti efektif dalam menjembatani kesenjangan pengetahuan awal peserta. Diharapkan, peningkatan keterampilan ini tidak hanya berdampak pada kualitas produk yang lebih baik dan peningkatan nilai jual tepung pedada, tetapi juga mendukung keberlanjutan ekosistem mangrove melalui pemanfaatan sumber daya lokal secara optimal. Kata kunci: mangrove; pedada; pengabdian masyarakat; teknologi pengeringan; tepung. AbstractThe Mangrove Botanical Garden of Surabaya holds great potential as an ecotourism area to support environmental sustainability and the local economy. One of the potential products from this area is the pedada fruit (Sonneratia caseolaris), which is known to contain bioactive compounds with health benefits. However, traditional processing methods used by the local community often reduce the functional components in pedada flour. Therefore, this activity aims to provide training on pedada flour processing technology to the managers and the surrounding community of the Mangrove Botanical Garden of Surabaya. In this training, 30 participants were involved, utilizing a cabinet dryer to retain the bioactive components in the resulting pedada flour. The results of this training showed an increase in participants’ understanding of the quality pedada flour processing, which positively impacts the economic value and sustainability of the product. This program is expected to not only improve the income of the local community but also contribute to preserving the mangrove forest in the area through the development of sustainable and environmentally friendly local products. Keywords: community empowerment; drying technology; flour; mangroves; pedada.
Co-Authors Achmad Gufron Adinda Laksmi Pratiwi Ahmad Bayu Laksono Amelia Ramadhani Ardysti Apridio Faiz An Nabil Ario Adityawarman Aussie Amalia Bekti Nugrahadi Bekti Nugrahadi Caecilia Pujiastuti Dwi Qomariah Arifin Dwi Sukma Donoriyanto Endang Pudji Widjajati Ernawati, Dira Farida Pulansari Farida Pulansari Farida Pulansari Firza Ramadhan Friska Aryanti Friska Aryanti Gadis Elvira Amanda Gilang Ramadhan Hadi Munarko Hafid Syaifullah Handy Natan Permana Indriastiningsih, Erna Jafni Fara Zahirah Jariyah Joumil Aidil Saifuddin Joumil Aidil Saifuddin Kabul Fadilah Mega Cattleya PA Islami Mega Cattleya Prameswari Anissa Islami MT Safirin Muhammad Abdus Salam Jawwad Muhammad Naufal Nazhif Muhammad Riza Pahlevi Nafa Artha Cahaya Mulia Nasyita Vivi Amalia Nico Aliffian Vollytanio Putra Ningsih, Gita Wahyu Nisa', Syadzadhiya Qothrunada Zakiyayasin Novembrianto, Rizka Nur Aini Fauziyah Nur Rahmawati Praditya Sigit Ardisty Sitogasa Raden Kokoh Haryo Putro Ramadana Esa Kuswara Rayhan Fatur Maulana Restu Hikmah Ayu Murti Reva Edra Nugraha Rizqi Novita Sari Rizqi Novita Sari Rizqi Novita Sari Rizqi Novita Sari Rochmoeljati Rochmoeljati Rr. Rochmoeljati Rusindianto Rusindiyanto Shaffa Arindra Tuffahati Sinta Dewi Sinta Dewi Sinyi Retno Mayasi Sumiati Sumiati Sunardi Sunardi Tasya Ambar Aimia Thineza Ardea Pramesti Tivani Nava Arier Tivani Nava Arier Yekti Condro Winursito Yekti Condro Winursito Yustina Ngatilah