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All Journal OPSI Jurnal Sistem dan Manajemen Industri JOURNAL OF INDUSTRIAL AND MANUFACTURE ENGINEERING Jurnal INTECH Teknik Industri Universitas Serang Raya Journal of Appropriate Technology for Community Services Journal of Industrial Engineering and Halal Industries
Qurtubi Qurtubi
Department Of Industrial Engineering, Universitas Islam Indonesia, Yogyakarta
Religion Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Mechanical Engineering Transportation

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Analisis Aktivitas Proses Pemindahan Tangki VT 650 dengan Penjadwalan Proyek Gisya Amanda Yudhistira; Nafisha Dian Anggrayna; Qurtubi Qurtubi; Budhi Santri Kusuma
JOURNAL OF INDUSTRIAL AND MANUFACTURE ENGINEERING Vol. 7 No. 1 (2023): EDISI MEI
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/jime.v7i1.9336

Abstract

Penelitian ini dilakukan di perusahaan yang bergerak di bidang kontraktor yang berfokus pada perbaikan dan pemasangan suatu alat atau benda dengan mengambil objek di bagian penginstalan tangki VT 650. Salah satu proses planning adalah persiapan beberapa dokumen untuk melakukan pemasangan equipment benda. Dokumen tersebut antara lain berupa simulasi dalam bentuk dua dimensi proses pemindahan menuju truck trailer mengunakan mobile crane dengan ukuran 80 ton, kemudian proses pemindahan tangki lama VT 650 menggunakan mobile crane 80 ton, dan proses erection yaitu pemindahan tangki menggunakan rail. Proses pemindahan dibagi menjadi dua tempat yang berbeda dengan rintangan yang berbeda, tentu dalam proses pemindahan diperlukan perhitungan penjadwalan proyek yang sesuai dengan planning. Setelah mengetahui penjadwalan proyek pemindahan tangki baru VT 650 tangki yang lama diangkat menggunakan mobile crane. Hasil penelitian adalah penjadwalan proyek untuk empat minggu terealisasi dalam enam minggu, penyebabnya adalah human error (60%) dan keterlambatan transportasi (40%), sehingga harus ada acuan pengendalian risiko akibat dari keterlambatan yang terjadi.
Perbaikan Stasiun Kerja IKM Mebel dengan Metode REBA, QEC dan Pengukuran Antropometri Gisya Amanda Yudhistira; Rona Sutra Dewangga Dyah Utami; Chancard Basumerda; Qurtubi Qurtubi
Jurnal INTECH Teknik Industri Universitas Serang Raya Vol. 9 No. 2 (2023): Desember
Publisher : Universitas Serang Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30656/intech.v9i2.6306

Abstract

Sumber daya manusia memiliki peran pada hasil output proses produksi. Selain itu, situasi lingkungan, peralatan, mesin dan manusia memiliki keterkaitan juga pada sumber daya perusahaan sehingga harus terkondisikan secara teratur untuk mendapatkan efektivitas kerja. Penelitian ini dilakukan pada IKM di Yogyakarta yang bergerak pada industri manu­faktur bidang furniture dimana IKM ini belum memiliki stasiun kerja yang baik salah satunya pada stasiun kerja penghalusan kayu. Penelitian ini bertujuan untuk melakukan perancangan tempat kerja baru dengan redesain stasiun kerja menggunakan metode postur tubuh. Penelitian awal menggunakan Nordic Body Map (NBM) diperoleh tingkat me­nya­kitkan bagian punggung, pantat, siku kanan dan kiri, lengan bawah kanan dan kiri. Hasil penelitian untuk identifikasi postur kerja menghasilkan score REBA sebesar 5, level resiko sedang dan perlu diadakan perbaikan. Score QEC berada pada worse the situation dan nilai Exposure Level 52.3%. Adapun rekomendasi penelitian dengan merancang sistem kerja melalui redesign meja-kursi pada stasiun kerja dengan pengukuran antropometri.
Peningkatan Literasi Keuangan Masyarakat Melalui Sosialisasi Manajemen Keuangan Keluarga Farhan Ahmad Hanafi; Qurtubi Qurtubi; Syarif Hidayat Hasibuan
Journal of Appropriate Technology for Community Services Vol. 5 No. 1 (2024)
Publisher : Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/jattec.vol5.iss1.art10

Abstract

The majority of the livelihoods of the people of Kenaran Hamlet are vegetable farmers and itinerant vegetable traders. In facing market realities, they are often disadvantaged by a significant decline in vegetable prices due to abundant supply. Knowledge about financial literacy and sound financial management is needed to address this wisely. To realize this, community service activities must educate the community to make their lives more economically prosperous. Departing from this, a family financial management socialization program was created to improve residents' financial literacy. This program was carried out in several stages: observation, program preparation, socialization, and evaluation. The result of this program is the local community's understanding of sound financial management and increased financial literacy to achieve economic prosperity.
Pendampingan Planogram untuk Pemilik Ritel Qurtubi Qurtubi; Joko Sulistio; Vembri Noor Helia; Melinska Ayu Febrianti; Jundi Nourfateha Elquthb
Journal of Appropriate Technology for Community Services Vol. 5 No. 1 (2024)
Publisher : Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/jattec.vol5.iss1.art8

Abstract

Retail owners need to utilize transaction data for customer buying patterns. By knowing the pattern of customer purchases, retail owners can adjust the layout of the store and the layout of goods on the display rack or a planogram to increase product visibility which refers to increased sales. Not many retail owners are aware of the benefits of using a good planogram and how to design it, so it is essential to provide training related to planograms to the public so they can know how to create planograms properly and correctly. Community service will be conducted from July to October 2022 in Sleman, Bantul, and Temanggung Regency and its surroundings, with interactive mentoring methods with material delivery and questions and answers. Submission of the material contains definitions, benefits, and illustrations of the application of the planogram in the retail industry, as well as the stages of planning the planogram. With this community service, it is hoped that retail business owners who participate in the mentoring can utilize transaction data at each retailer to develop a planogram based on customer purchasing patterns, thereby increasing sales and customer satisfaction.
Supply chain performance measurement incorporating green factors using the supply chain operations reference on a fertilizer company Putri Jasmine Solekha; Qurtubi Qurtubi; Haswika Haswika; Danang Setiawan
Jurnal Sistem dan Manajemen Industri Vol. 8 No. 1 (2024): June
Publisher : Universitas Serang Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30656/jsmi.v8i1.7499

Abstract

The fertilizer industry plays a crucial role in assuring the food security of a nation, but it also faces significant environmental obstacles. These problems often contribute to decreased supply chain efficiency and overall industrial productivity. The industry's focus on profit maximization hinders adopting green supply chain strategies. This paper examines company q's adoption of green supply chain management (GSCM) practices. This study evaluates its performance using the green supply chain operations reference (Green SCOR) model, scoring 73.54 out of 100, classifying it as 'good.' However, there is room for improvement, especially concerning key performance indicators (KPIs). This paper identifies six KPIs that fall below satisfactory levels and offers specific recommendations for improvement. This study significantly contributes to the fertilizer industry by providing actionable insights for practitioners and advancing theoretical understanding by highlighting key overlooked indicators. Furthermore, this research also emphasizes the crucial role of government policies in stimulating the implementation of sustainable supply chain practices.
Pemilihan Pemasok dan Alokasi Order Optimum pada Komoditas Hasil Laut Menggunakan Analytical Hierarchy Process dan Multi Objective Linear Programming Abd. Aziz Barunda; Danang Setiawan; Qurtubi Qurtubi; Budhi Santri Kusuma
JOURNAL OF INDUSTRIAL AND MANUFACTURE ENGINEERING Vol. 7 No. 2 (2023): EDISI NOVEMBER
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/jime.v7i2.9912

Abstract

Tarakan, Kalimantan Utara, memiliki potensi besar akan ekspor kepiting, ditunjukkan dengan tren kenaikan angka ekspor sebelum terjadinya pandemi Covid-19. Tingginya angka ekspor mengakibatkan tingginya tingkat persaingan perusahaan eksportir dalam mendapatkan kepiting segar. Penelitian ini berfokus pada pemilihan mitra dan alokasi order optimal dari calon mitra yang terpilih pada produk hasil laut. Hasil analisis AHP diperoleh 4 kriteria dalam pemilihan mitra, yaitu kualitas (0,5351), pengiriman (0,2121), lokasi (0,1234) dan pelayanan (0,0782). Penentuan alokasi order optimal dilakukan dengan model multiple objective linear programming (MOLP). Penyelesaian dilakukan dengan dua skenario, yaitu menggunakan nilai supplier keseluruhan yang diselesaikan dengan LP (skenario 1) dan urutan prioritas kriteria yang diselesaikan dengan MOLP (scenario 2). Hasil scenario 1 dipilih 5 supplier, sedangkan skenario 2 dipilih 6 supplier dengan rangking teratas. Hasil analisis sensitivitas menunjukkan bahwa perusahaan perlu melakukan negosiasi kepada Supplier 2 dan Supplier 7 untuk dapat meningkatkan kapasitas produksinya.
Raw Material Inventory Control on Probabilistic Demand and Lead Time Using Continuous Review System Ali Parkhan; Imam Djati Widodo; Erlangga Fausa; Qurtubi
Journal of Industrial Engineering and Halal Industries Vol. 4 No. 2 (2023): Vol. 4 No. 2 December (2023): Journal of Industrial Engineering and Halal Indus
Publisher : Industrial Engineering Department, Faculty of Science and Engineering, UIN Sunan Kalijaga Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/jiehis.4277

Abstract

Excess inventory will lead to high inventory costs caused, among others, by damage and possible loss of stored goods embedded capital; on the other hand, a list is needed to ensure fulfillment of needs and reduce demand fluctuations and supply fluctuations to avoid loss of profit opportunities. This study aims to manage the uncertainty of usage and lead time in a wooden toy company, which can result in an excess or shortage of raw materials in the inventory system. It is necessary to control inventory to ensure optimal inventory; that is, needs can be met with minimal inventory costs and adequate service levels. The result, optimal condition is achieved if the company orders wood when the amount of inventory is (r) = 24,422 units with an order quantity of (Q) = 10,010 units each time you place an order, with a total inventory cost in 2023 of IDR 362,156,168, this policy will result in a service level (η) = 95.14%.
Bibliometric Insights into Halal Retail: Mapping of Research Trends Prita Nurkhalisa Maradjabessy; Roaida Yanti; Qurtubi; Danang Setiawan; Harlina Suzana Jaafar
Journal of Industrial Engineering and Halal Industries Vol. 5 No. 1 (2024): Vol. 5 No. 1 June (2024): Journal of Industrial Engineering and Halal Industrie
Publisher : Industrial Engineering Department, Faculty of Science and Engineering, UIN Sunan Kalijaga Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/jiehis.4637

Abstract

This study systematically examines and assesses the existing literature on halal retail to identify trends and emerging areas of interest. It seeks to offer insightful advice for market strategies, policy development, and research opportunities in the ever-changing halal retail sector. The study uses a bibliometric analysis and research mapping approach, employing data from 994 articles sourced from Google Scholar (GS). The data was analyzed using Harzing's Publish or Perish (PoP) to identify current and promising research areas. The study highlights the importance of exploring these trends further and combining them with less explored research areas. The relatively limited research in halal retail over the past decade is also noted, presenting a timely opportunity for deeper investigation. Originality lies in its comprehensive bibliometric analysis of the halal retail sector over a decade. It provides a unique perspective on evolving trends and emerging research areas, offering a valuable resource for scholars, market strategists, and policymakers interested in the halal market. Practical implications are significant for market strategists and policymakers in the halal retail sector. By identifying current trends and gaps, the study provides insights that can inform strategic decisions, enhance market positioning, and drive policy development to support the growth of halal retail.
Discrete-event simulation of truck–excavator systems in surface mining using a finite-source closed-loop queuing model Danang Setiawan; Haswika Haswika; Qurtubi Qurtubi; M. Zikra Zizo Alfieta
Jurnal Sistem dan Manajemen Industri Vol. 9 No. 2 (2025): December
Publisher : Universitas Serang Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30656/jsmi.v9i2.11003

Abstract

Truck-excavator interaction in surface mining is often modeled as finite-source, closed-loop queuing systems. An optimization-based approach is typically used, assuming deterministic and homogeneous fleet configurations. This paper aims to contribute to the current literature by implementing a simulation-based approach, discrete-event simulation (DES), to analyze a finite-source closed-loop queuing model in a surface mining operation. The case study used was coal overburden removal activities, which operate under a first-come, first-served discipline, and loop through four phases: loading, hauling, dumping, and returning. Under the current fleet configuration, the overburden removal activity is experiencing a 19,17% production shortfall and a match factor (MF) of 0.74. An MF below 1 indicates an under-truck system, where the excavator often idles while waiting for the trucks to arrive.  Three scenarios were tested using the validated DES model: (1) the as-is scenario with four trucks and one excavator, (2) variations of truck quantity, and (3) a route improvement scenario to reduce travel time. Simulation results indicate that adding five trucks yields the highest productivity (533.86 BCM/hour), utilization (92.48%), and MF (0.91), while the route improvement scenario achieved nearly comparable performance (513.94 BCM/hour, 88.86% utilization, MF = 0.88) with lower resource. Although the current case study operates under a homogeneous fleet with a single excavator, this study also tests the DES model under heterogeneous fleet configurations and a multi-server setup involving two excavators. These findings highlight the DES capability in modeling and analyzing a queuing system under a finite-source closed-loop, both for homogeneous and heterogeneous fleet configurations.
Co-Authors Abd. Aziz Barunda Abdullah Azzam Aditya Bagus Wicaksana Afriza Syawal Zaputra Akbar Daffa Raharja Ali Parkhan Auliya Firdaus Auliya Hayyu Ratnaningtyas Budhi Santri Kusuma Chancard Basumerda Chancard Basumerda Danang Setiawan Dicka Meilana Trisnaningtias Eritrina Rizki Chairani Erlangga Fausa Farhan Ahmad Hanafi Gisya Amanda Yudhistira Harlina Suzana Jaafar Haswika Haswika Haswika, Haswika Imam Djati Widodo Ira Promasanti Rachmadewi Joko Sulistio, Joko Jundi Nourfateha Elquthb Kusrini, Elisa M Amin Syukron M. Zikra Zizo Alfieta Meilinda F.N. Maghfiroh Meilinda Fitriani Nur Maghfiroh Melinska Ayu Febrianti Melinska Ayu Febrianti Muhammad Fadhila Yudhanata Muhammad Jihad Akbar Nafisha Dian Anggrayna Prita Nurkhalisa Maradjabessy Putri Jasmine Solekha Rahma Fariza Roaida Yanti Roaida Yanti Rona Sutra Dewangga Dyah Utami Sugarindra, Muchamad Syarif Hidayat Hasibuan Vembri Noor Helia Wahyudhi Sutrisno, Wahyudhi