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All Journal Jurnal Pengabdian UntukMu NegeRI Journal of Industrial Engineering Management Seminar Nasional Teknologi Informasi Komunikasi dan Industri JURNAL MANAJEMEN INDUSTRI DAN LOGISTIK Jurnal INTECH Teknik Industri Universitas Serang Raya Jurnal Media Teknik dan Sistem Industri Jurnal Teknik Industri Terintegrasi (JUTIN) Jurnal Surya Teknika Journal of Industrial Engineering and Halal Industries Jurnal Pengabdian Masyarakat dan Riset Pendidikan
Meirizha, St Nova
Universitas Muhammadiyah Riau
Religion Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Mechanical Engineering Social Sciences Transportation Other

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Model System Dynamics untuk Pengelolaan Sampah Padat Perkotaan di Kota Pekanbaru Meirizha, St. Nova; Mulyadi, Agus; Indra, Nabila Zakia
Jurnal Media Teknik dan Sistem Industri Vol 9, No 1 (2025)
Publisher : Universitas Suryakancana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35194/jmtsi.v9i1.4502

Abstract

Municipal Solid Waste (MSW) is still an issue in urban areas, including Pekanbaru, one of the most densely populated cities in Riau. The increase in the amount of MSW that is left has an impact on the environment and health. This study aims to provide MSW management policies by analyzing various alternative scenarios, including reduction and treatment. The method used is System Dynamics, which consists of designing a CLD (Causal Loop Diagram) model, then continuing by building an SFD (Stock and Flow Diagram) model composed of 3 alternative scenarios that have three levels each scenario. The simulation period was carried out until 2058. The simulation and model validation results showed that increasing recycling capacity and reducing the use of plastic products can significantly reduce the amount of waste entering the TPA (Final Disposal Site). The best scenario in MSW management is the combination scenario with a 30% reduction in MSW and 72.9% treatment. Waste reduction is carried out through education programs and public awareness, reducing the use of disposable materials and increasing recycling. Waste processing is carried out by constructing modern facilities such as incinerators and compost plants. Implementing this scenario can reduce the burden on landfills and maximize the use of waste as a resource. This research will contribute to developing future sustainable and environmentally friendly waste management strategies. Sampah padat perkotaan atau Municipal Solid Waste (MSW) masih menjadi isu di daerah perkotaan termasuk Pekanbaru sebagai salah satu kota terpadat di Provinsi Riau. Peningkatan jumlah MSW yang dibiarkan berdampak terhadap lingkungan dan kesehatan. Pengelolaan MSW saat ini berupa daur ulang melalui bank MSW dan sanitary landfill, namun hal tersebut belum optimal. Karena timbulan MSW terus meningkat.  Peningkatan jumlah MSW yang dibiarkan berdampak terhadap lingkungan dan kesehatan Penelitian ini bertujuan memberikan altrenatif skenario kebijakan pengelolaan MSW dengan menganalisis berbagai alternatif skenario meliputi pengurangan dan pengolahan untuk Dinas Lingkungan Hidup Kota Pekanbaru. Metode yang digunakan yaitu System Dynamics yang teridiri dari perancangan model CLD (Causal Loop Diagram), kemudian dilanjutkan dengan membangun model SFD (Stock and Flow Diagram). Terdiri dari 3 alternatif skenario yang memiliki 3 tingkat setiap skenarionya. Periode simulasi dilakukan hingga tahun 2058. Hasil simulasi dan validasi model menunjukkan bahwa peningkatan kapasitas daur ulang dan pengurangan penggunaan produk berbahan plastik dapat secara signifikan mengurangi jumlah MSW yang masuk ke TPA (Tempat Pembuangan Akhir). Skenario kombinasi dengan pengurangan MSW sebesar 30% dan pengolahan 72,9% merupakan skenario terbaik dalam pengelolaan MSW. Pengurangan MSW dilakukan melalui program edukasi dan kesadaran masyarakat, pengurangan penggunaan bahan sekali pakai, serta peningkatan daur ulang. Pengolahan MSW dilakukan melalui pembangunan fasilitas pengolahan MSW modern, seperti insinerator dan pabrik kompos Implementasi dari skenario ini dapat mengurangi beban tempat pembuangan akhir dan memaksimalkan pemanfaatan MSW sebagai sumber daya. Penelitian ini memberikan kontribusi penting bagi pengembangan strategi pengelolaan MSW yang lebih berkelanjutan dan ramah lingkungan di masa depan.
ANALISIS PERSEDIAAN BAHAN BAKU PT HAKAASTON MENGGUNAKAN METODE CONTINOUS REVIEW SYSTEM Meirizha, St.Nova; Farhan, Muhammad
JURNAL SURYA TEKNIKA Vol. 9 No. 1 (2022): JURNAL SURYA TEKNIKA
Publisher : Fakultas Teknik UMRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37859/jst.v9i1.3766

Abstract

Inventory control is a guarantee that the material to be used in the process must always be available at the minimum possible cost. PT HAKAASTON Sei Langsat is engaged in manufacturing asphalt concrete with asphalt and river stone which has not optimal inventory management, which is characterized by a shortage of raw materials when carrying out the production process and resulting in delays in fulfilling consumer demand. With this problem, a research on raw material inventory was conducted using the continuous review system method which aims to control raw material inventory better and optimally. After conducting analysis and calculations using a continuous review system, the optimal number of orders for asphalt is 44,037 Kg and river stone is 23,259 Kg, asphalt reorder point value is 22,665 Kg and river stone is 1,317,611 Kg, asphalt safety stock is 12,048 Kg and stone times, which is 719,394 Kg, while the total cost of inventory using the continuous review system method is Rp. 4,297,432,432, which is smaller than the total cost based on company policy, which is Rp. 5,408,267,366, and savings of Rp. 1,110,834,934 or 21%.
Penerapan Metode Economic Order Quantity (EOQ) pada Persediaan Spare Part Jenis Oli PT. Agung Automall Sutomo Meirizha, St Nova; Saputra, Predi; Kristia, Dian
JURNAL SURYA TEKNIKA Vol. 9 No. 2 (2022): JURNAL SURYA TEKNIKA
Publisher : Fakultas Teknik UMRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37859/jst.v9i2.4392

Abstract

PT.Agung Automall Sutomo membutuhkan pengendalian persediaan spare part dikarenakan sering terjadi kekurangan stok dan kelebihan stok. Pada klasifikasi atau analisis ABC pada spare parts terpilih 3 jenis yang akan diteliti yaitu merek TMO SYN 10W-40 4L, merek TMO SYN 10W-40 1L dan merek TMO SYN DIESEL 15W-40 4L. Dari hasil perhitungan Economic Order Quantity (EOQ), jumlah pemesanan ekonomis pada merek I yaitu 268 unit/bulan, merek II yaitu 539 unit/bulan dan merek III yaitu 136 unit/bulan. Hasil SS dan ROP untuk merek I sebesar 125 unit dan 127 unit, merek II sebesar 340 unit dan 342 unit, dan merek III sebesar 65 unit dan 67 unit. Perhitungan biaya persediaan yang diperoleh pada merek I yaitu Rp. 8,203,833, merek II yaitu Rp. 8,160,046, dan merek III yaitu Rp.8,173,942.
Analisis Sistem Manajemen Keselamatan dan Kesehatan Kerja Menggunakan Metode Hazard Identification Risk Assessment (Hira) St. Nova Meirizha; Elsa, Elsa Heliana
JURNAL SURYA TEKNIKA Vol. 10 No. 2 (2023): JURNAL SURYA TEKNIKA
Publisher : Fakultas Teknik UMRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37859/jst.v10i2.4857

Abstract

PT Lutvindo Wijaya Perkasa is a company engaged in the field of general contractor, marketing, service and suppliers. In the asphalt and concrete production process at PT Lutvindo Wijaya Perkasa there are still employees who do not pay attention to work procedures, do not use complete PPE, such as not using project helmets, safety shoes, masks, goggles and ear plugs. So there are still work accidents. Based on the results of work accident interviews that often occur at PT Lutvindo Wijaya Perkasa, namely falls from heights, collisions, hearing loss, slipping, and electric shock. Hazard Identification and Risk Assessment (HIRA) is one of the methods used to control the risk of work accidents and carry out a risk assessment, which aims to prevent work accidents that can occur. This research was conducted to reduce accidents that can occur at PT Lutvindo Wijaya Perkasa. The results of the study using the HIRA method found 8 findings of potential hazards in the production area of ​​PT Lutvindo Wijaya Perkasa with moderate to extreme levels of risk.
Pengendalian Persediaan Sparepart Area Gudang Menggunakan Metode Continuous Review System (CRS) pada PT Indotruck Utama Mulyadi, Agus; Meirizha, St Nova; Yul, Faradila Ananda; Permata, Dear Rani
JURNAL SURYA TEKNIKA Vol. 12 No. 1 (2025): JURNAL SURYA TEKNIKA
Publisher : Fakultas Teknik UMRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37859/jst.v12i1.9201

Abstract

PT Indotruck Utama is a company that supplies and distributes heavy equipment, including Volvo trucks and construction equipment. One of the main problems this company faces is overstocking in the warehouse, which can lead to additional storage space, increased inventory costs, and the risk of damage to goods. This research aims to optimize inventory management by controlling stock at an ideal level and comparing the current total inventory cost with the proposed price. In this study, the Continuous Review System method is applied by first grouping spare parts using the ABC method. This method categorizes inventory items based on the contribution of fund absorption, where category A items absorb the most significant funds, category B is intermediate, and category C has the most minor fund absorption. A total of 24 spare parts items were grouped into these three categories. Next, inventory requirements were forecasted using historical data to estimate the number of spare parts required in the future. Based on the forecasting results, estimated inventory requirements, optimal ordering point (Q*), reorder point, and safety stock were calculated for each item. The results showed that the current total inventory cost reached Rp 343,368,047.63, while with the implementation of the Continuous Review System, the cost can be reduced to Rp 333,425,336.79. Thus, there is a savings of Rp 9,942,710.84 or about 2.90%.
Perancangan Ulang Tata Letak Pedagang Pasar Panam Pekanbaru dengan Metode Association Rules-Market Basket Analysis Yul, Faradila Ananda; Meirizha, St Nova; Denur, Denur; Dizha, Tazhi; Ardi, Hendri Ali
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 8 No. 4 (2025): October
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v8i4.51341

Abstract

This study explains the redesign of the vendor layout at Panam Market in Pekanbaru using the association rules – market basket analysis method. The research aims to determine consumer shopping behavior patterns and to reorganize the vendor layout at Panam Market Pekanbaru. Based on the research results, it can be concluded that the reorganization of the vendor layout at Panam Market Pekanbaru was carried out based on the calculation of the support factor with a minimum value of 3% and the confidence value with a minimum of 60%. From the data processing results using the RapidMiner application, it was found that several vendor stalls in the market need to be positioned closer to each other based on the level of association, categorized as absolutely related, very important, fairly important, neutral, unimportant, and very unimportant.
Peningkatan Produktivitas Pelayanan Pemancingan Tepian Sungai Siak Berbasis Mobile bagi Kelompok Usaha Rumah Pancing : Pengabdian Sunaryo, Sunaryo; Israyandi, Israyandi; Meirizha, st. Nova
Jurnal Pengabdian Masyarakat dan Riset Pendidikan Vol. 4 No. 2 (2025): Jurnal Pengabdian Masyarakat dan Riset Pendidikan Volume 4 Nomor 2 (October 202
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jerkin.v4i2.4115

Abstract

In terms of potential, the people of Palas Village mostly depend on the agricultural sector, industrial employees and fisheries in the river basin (DAS). One of the local potentials that is quite prominent is the existence of a Fishing Park on the banks of the Siak River (SUSI). With 6 floating houses and 2 fishing boats, it can improve the decent life for partners by seeing changes in their increasingly improving economic growth so that the sustainability of this program can be carried out in such a way. Implementation in the form of intensive implementation and assistance to produce mobile-based floating house empowerment products. The activities that have been carried out are the manufacture of 5 floating houses for a size of 2x2 meters and 1 unit with a size of 3x5 meters, as well as one unit of fiber boat made from new with a 7.5 Hp engine and repair of 1 unit of 20 Hp capacity boat, as well as the installation of a 100Wp solar panel lighting system and financial management and asset management training have also been carried out as well as social media-based marketing training.
The Theory of Constraints (TOC) Approach in Overcoming Production Capacity Constraints in the Food Industry: A Case Study Agus Mulyadi; St Nova Meirizha; Satriardi Satriardi; Wirson Ariaska Putra
Jurnal INTECH Teknik Industri Universitas Serang Raya Vol. 11 No. 2 (2025): December
Publisher : Universitas Serang Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30656/1intech.v11i2.11384

Abstract

This study aims to overcome production capacity constraints in the HB Azaki Original Tempeh MSME using the TOC approach. The problem faced by this MSME is the imbalance between available production capacity and market demand, which results in late deliveries and waste of resources. Initial analysis using RCCP revealed bottlenecks at the soaking and fermentation workstations, with load percentages reaching 111.93% and 108.42%, respectively. Based on the study's results, the soaking and fermentation workstations experienced bottlenecks due to positive variance values and a load percentage exceeding 100%. After identifying these constraints, an optimization model was formulated using Lingo 20.0 to determine the optimal production mix while considering capacity limitations. Verification results showed that the fermentation workstation remained overloaded despite optimal scheduling, and thus, a constraint elevation strategy was implemented by adding one worker. This improvement reduced the fermentation workstation load to 48.65%, effectively eliminating the bottleneck and increasing throughput. The novelty of this study lies in integrating TOC with LP-based optimization, enabling simultaneous bottleneck identification and optimal production planning tailored to the characteristics of traditional food SMEs. This combined approach provides a practical, data-driven solution to improve capacity planning and support SMEs in meeting fluctuating market demand.
Co-Authors Agus Mulyadi Ardi Adrian Ardiansyah Ardiansyah Dedi Dermawan Dedi Dermawan Dedi Dermawan, Dedi Denny Astrie Anggraini Denny Astrie Anggraini, Denny Astrie Denur Denur Dian Kristina Dian Oktaviani Dizha, Tazhi Elsa, Elsa Heliana Fanuddin, Obbie Faradila Ananda Yul, Faradila Ananda Hendri Ali Ardi, Hendri Ali Indra, Nabila Zakia Irsan Pratama Israyandi, Israyandi Julian Prayuda Jusnita Jusnita, Jusnita Kristia, Dian Muhammad Farhan Mulyadi, Agus Permata, Dear Rani Puji, Ari Andriyas Qurthuby, Muhammad Rio Saputra Sajidi Wardana Saputra, Predi Satriadi Satriadi Satriadi Satriadi Satriadi Satriadi Satriardi Satriardi Satriardi Satriardi Sunaryo Sunaryo Sundari, Mela Vivi Engraini Wirson Ariaska Putra Zayyinul Hayati Zen Zayyinul Hayati Zen Zayyinul Hayati Zen