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All Journal Jurnal Teknik ITS TEKMAPRO Journal of Industrial Engineering and Management Jurnal Sistem dan Manajemen Industri International Journal of Industrial Optimization (IJIO) Proceeding ISETH (International Summit on Science, Technology, and Humanity)
Maria Anityasari
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Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Engineering Industrial & Manufacturing Engineering Medicine & Pharmacology Social Sciences Transportation Other

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Analisis Gaya Hidup Berkelanjutan (Sustainable Lifestyle) Siswa-Siswi SMA di Surabaya dan Upaya Perbaikannya Maria Immaculata Nesya Putri Saraswati; Maria Anityasari
Jurnal Teknik ITS Vol 1, No 1 (2012)
Publisher : Direktorat Riset dan Pengabdian Masyarakat (DRPM), ITS

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (172.254 KB) | DOI: 10.12962/j23373539.v1i1.1976

Abstract

Deplesi sumber daya alam yang sejalan dengan peningkatan populasi manusia, banyaknya sampah yang berbahaya sisa dari aktivitas manusia serta adanya fakta pemanasan global merupakan fakta yang meresahkan. Segala perilaku dan kegiatan manusia kini seharusnya berkiblat pada pemenuhan kebutuhan yang tidak mengorbankan kebutuhan generasi mendatang. Mengingat bahwa remaja atau pemuda sangat menentukan nasib suatu bangsa di masa depan dan merupakan ujung tombak keberlangsungan suatu bangsa, maka memberikan pemahaman yang lengkap tentang pentingnya isu SD dan bagaimana sebaiknya gaya hidup berkelanjutan sangatlah penting. Oleh sebab itu dalam penelitian ini dieksplorasi gaya hidup siswa SMA di Surabaya guna menciptakan metode yang sesuai untuk membentuk gaya hidup berkelanjutan remaja. Alternatif-alternatif metode yang dimunculkan untuk pembentukan gaya hidup berkelanjutan yaitu menyusun kurikulum sekolah, membuat software ecological footprint sederhana, membuat booklet panduan gaya hidup berkelanjutan, mengadakan pelatihan best practice. Berdasarkan pengolahan data kuesioner, focus group discussion maka keputusan metode gaya hidup berkelanjutan yang dipilih dalam penelitian ini yaitu membuat booklet panduan gaya hidup berkelanjutan bagi remaja.
Combination of BLOCPLAN Algorithm, HIRARC Analysis, and Arena Simulation for Design of Transportation and Heavy Vehicles Facilities Anityasari, Maria; Loverinca Millenia, Vira; Aulia Akbar, Reza; Yuanus, Franki; Suef, Mokh
Tekmapro Vol. 20 No. 1 (2025): TEKMAPRO
Publisher : Program Studi Teknik Industri Universitas Pembangunan Nasional Veteran Jawa Timur

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Abstract

Purpose – The study presented in this paper reports on a pilot implementation of scientific management principles in addressing city government facility problems across divisions. To pursue more effective and efficient results, the Tambaksari site that serves various Surabaya Department of Water Resources and Highway Development (SubDRD) tasks, including welding, storage, repair, drainage work, refueling, and security, covering a 15,457 m2 area is evaluated and improved using facility layout, occupational health and safety, and simulation methods. Existing facilities lack grouping based on activities, resulting in inefficiencies. The site poses potential hazards, such as oil spills and hazardous welding practices. This research seeks to optimize facility layout by implementing occupational health and safety standards for effective, efficient activities, and appropriate control systems. Methodology – This research identifies facility needs, sizes, and proximity relationships using the BLOCPLAN algorithm. Hazard management employs the Hazard Identification, Risk Assessment, and Risk Control (HIRARC) method, identifying hazards through Process Hazard Analysis (PHA) and assessing risk levels with Failure Mode and Effect Analysis (FMEA). Control system planning, based on the hierarchy of control, is integrated into facility layout design. Stakeholder feedback is gathered through a Focus Group Discussion (FGD) to refine alternative designs. Arena software simulation assesses workstation utility, guiding adjustments for optimization. Findings – The combination of the BLOCPLAN algorithm, HIRARC analysis, and Arena simulation resulted in an estimated design layout that can reduce total out of direction travel distance by 47.32%, backtracking by 43.31%, and cross-movement by 47.37%. Research Limitations – Despite the practical implications involve shaping a more effective Tambaksari layout for SubDRD operations, potentially improving work productivity, creating a safer work environment, and enhancing maintenance service quality for Surabaya City Government infrastructure, the occupational health and safety aspects in this research are only considered concerning their influence on layout design and the simulations only target the workshop activities. Originality – This study is original in the scope of Indonesian city government work that rarely implementing scientific management methods in addressing their problems and challenges. In addition, this study provides integrated analysis across divisions in city government which are usually very rigid and limited by bureaucracy.
Understanding Remanufacturing Business in Indonesia: Insights from an Initial Survey Anityasari, Maria; Fernando, Antonius; Suhariyanto, Tatbita Titin; Sari, Komang Nickita; Kusumawardani, Rindi; Akbar, Reza Aulia
Proceeding ISETH (International Summit on Science, Technology, and Humanity) 2024: Proceeding ISETH (International Summit on Science, Technology, and Humanity)
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/iseth.5413

Abstract

Purpose: This study aims to investigate the current state and challenges of remanufacturing practices in Indonesia, particularly in the heavy equipment sector, including key barriers and opportunities identification. Methodology: A survey involving 23 companies working in the heavy equipment sector was conducted to gather their remanufacturing practices, challenges, and perspectives. The study examines issues related to definitions, regulations, core availability, and quality assurance of remanufactured items. Results: The survey reveals wide variety and inconsistencies in defining remanufacturing due to the absence of standardized definitions and government regulations. This triggers complexities in business process especially in sourcing high-quality cores and communicating the quality of remanufactured items to consumer. Applications/Originality/Value: The findings highlight the need for future research to create a conducive ecosystem for remanufacturing in Indonesia including regulation and policy development. This study provides valuable insights for enhancing the development of the remanufacturing industry.
Analyzing operational risks of a recyclable waste-based payment public transit system in Surabaya, Indonesia Anityasari, Maria; Wessiani, Naning Aranti; Pratiwi, Atikah Aghdhi; Putri, Fathaliati Zikri Musev; Rinardi, Hilmi Cahya; Prakoso, Matheus Bimo Aryo; Ghaisani, Nofinda
Jurnal Sistem dan Manajemen Industri Vol. 9 No. 1 (2025): June
Publisher : Universitas Serang Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30656/jsmi.v9i1.10203

Abstract

Suroboyo Bus, a municipal public transportation initiative managed by the Surabaya Department of Transportation (SubDOT) in Indonesia, was launched to promote the use of public transit by accepting recyclable plastic waste as transit fare payments. However, this transportation system presented challenges, as prior to 2019, Suroboyo Bus performed its operational activities without adequately incorporating operational risk, specifically considering Health, Safety, and Environment (HSE) factors. The analysis of risk profiles and a mitigation plan concerning the well-being of both their staff and passengers was uncomprehensive. To address these issues, this paper evaluates the operational risk based on ISO 31000:2018, the Failure Mode and Effect Analysis (FMEA), and the Benefit Cost-Analysis (BCA). The analysis identified 114 risks and 189 combinations of risks and impacts across 70 business processes associated with Suroboyo Bus operations, with varying degrees of risk severity. Risk prioritization analysis was performed using the Pareto 80:20 principle. Proposed risk response strategies include avoidance, mitigation, transfer, and tolerance. Evaluation of the feasibility of these strategies through benefits and cost analysis, supplemented by a sensitivity analysis, revealed Benefit-Cost Ratio (BCR) values ranging from 1.041 to 1.471, indicating that the proposed mitigation plan is feasible for all evaluated scenarios. These findings underscore the importance of implementing risk mitigation measures to improve the sustainability and effectiveness of the Suroboyo Bus service. Future research should explore the digital application developed for Suroboyo Bus passengers as part of the business process named “Golek Bis” (GOBIS) and other methods that can be used to enhance the quality and comprehensiveness of risk management.
A smart city infrastructure implementation framework – insights from smart street lighting implementation optimization Anityasari, Maria; Amrizal, Rizki; Widodo, Erwin; Anam, Sjamsjul; Chew, Boon Cheong
International Journal of Industrial Optimization Vol. 6 No. 2 (2025)
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/ijio.v6i2.13307

Abstract

In recent years, the concept of smart cities and infrastructure has gained momentum as a solution to challenges such as population growth, resource management, and environmental sustainability. Rapid urbanization in many developing countries highlights the need for efficient infrastructure planning and management. This framework offers a structured approach for decision-making and resource allocation, enabling prioritization of investments to maximize limited resources while supporting development goals. The framework is tested through an analysis of the Smart Street Lighting Systems (SSLS) in Surabaya, Indonesia, addressing the city's intention to upgrade street lighting to reduce maintenance costs and energy consumption. Currently, the street lighting system faces issues including a high rate of broken or damaged lights and inefficiencies in handling complaints. However, limited funding and varied regional needs constrain any comprehensive upgrade. The proposed framework integrates the Analytical Hierarchy Process (AHP) to prioritize regions as weighting inputs, Mixed Integer Goal Programming (MIGP) to optimize the distribution of SSLS and conventional LED lighting across regions, and Cost-Benefit Analysis (CBA) to evaluate financial feasibility. Results recommend purchasing 11,915 new SSLS units with region-specific distributions, achieving a financially viable Benefit-Cost Ratio (BCR) of 2.059. These findings demonstrate practical implementation of smart city principles, balancing cost-efficiency, service performance, and stakeholder priorities. Policymakers can use this framework to maximize impact within budget constraints. This framework serves as a viable template for other regions and countries embarking on smart city infrastructure implementation.
Analisis Lanskap Penelitian Remanufaktur dan Perilaku Konsumen: Studi Literatur Sistematis Sari, Komang Nickita; Anityasari, Maria; Sari, Ni Ketut
Tekmapro Vol. 19 No. 2 (2024): TEKMAPRO
Publisher : Program Studi Teknik Industri Universitas Pembangunan Nasional Veteran Jawa Timur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/tekmapro.v19i2.423

Abstract

Penelitian mengenai remanufaktur telah berkembang pesat dalam beberapa dekade terakhir seiring dengan meningkatnya perhatian terhadap keberlanjutan dan ekonomi sirkular. Remanufaktur adalah proses perbaikan dan peremajaan produk bekas sehingga produk tersebut dapat digunakan kembali dengan kualitas yang setara dengan produk baru. Proses ini membantu mengurangi limbah, penggunaan sumber daya alam, serta menawarkan solusi ekonomis bagi konsumen dan produsen. Namun, adopsi praktik remanufaktur menghadapi berbagai tantangan, terutama di negara berkembang seperti Indonesia, di mana pemahaman konsumen mengenai produk remanufaktur masih rendah dan persepsi terhadap produk murah sebagai produk berkualitas rendah masih dominan. Ketidakjelasan dalam definisi remanufaktur juga menjadi hambatan besar bagi peneliti dan praktisi, menyebabkan kesulitan dalam melakukan penelitian yang efektif dan menyebarkan pengetahuan tentang proses tersebut. Oleh karena itu, penelitian ini dilakukan untuk memberikan pemahaman yang lebih mendalam mengenai lanskap penelitian remanufaktur yang terkadang masih ambigu dan membutuhkan eksplorasi lebih lanjut. Dengan menggunakan metode eksploratif dan systematic literature review, penelitian ini bertujuan untuk mengidentifikasi tren terkini dan isu-isu penting yang mempengaruhi adopsi praktik remanufaktur, serta memberikan wawasan mengenai perbedaan perilaku konsumen di negara maju dan berkembang terhadap produk remanufaktur.
Risk Assessment of Productivity Recovery Post Occupational Accident in Indonesia Anityasari, Maria; Bangsawan, Gung Made Arya; Wessiani, Naning Aranti
Tekmapro Vol. 20 No. 2 (2025): TEKMAPRO
Publisher : Program Studi Teknik Industri Universitas Pembangunan Nasional Veteran Jawa Timur

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Indonesia's public health provider, the Insurance Administration Organization (IAO), provides universal coverage for Work Accident Insurance. As an initiative, it has failed to support all workers. This study assesses productivity recovery risks and associated future costs following occupational accidents, employing risk management methods and scenario analyses to aid decision-making in Indonesia. Focusing on formal workers in Surabaya, this research examines the balance between government benefits and expected productivity rebound upon return. Six risk types are identified and analysed, while the most prevalent risks involve workers still undergoing treatment with uncertain outcomes. As existing coverage schemes risk negative cash flow and deficits, this study also calculates the budget needed for zero-accident targets and maximum compensation to balance government obligations and workers' remuneration. This study has successfully captured the critical factors that can lead to refining coverage and addressing financial shortfalls, allowing improved support for workers' recovery and return productivity.
Co-Authors Akbar, Reza Aulia Amrizal, Rizki Atikah Aghdhi Pratiwi, Atikah Aghdhi Aulia Akbar, Reza Bangsawan, Gung Made Arya Boon Cheong Chew, Boon Cheong Erwin Widodo Fernando, Antonius Ghaisani, Nofinda Loverinca Millenia, Vira Maria Immaculata Nesya Putri Saraswati Mokh. Suef Naning Aranti Wessiani Ni Ketut Sari Prakoso, Matheus Bimo Aryo Putri, Fathaliati Zikri Musev Rinardi, Hilmi Cahya Rindi Kusumawardani, Rindi Sari, Komang Nickita Sjamsjul Anam Suhariyanto, Tatbita Titin Yuanus, Franki