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All Journal Sinkron : Jurnal dan Penelitian Teknik Informatika Wahana
Mestika, Adhita Nugraha
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Agriculture, Biological Sciences & Forestry Humanities Computer Science & IT Education Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Public Health Social Sciences Other

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Kontribusi Perguruan Tinggi dalam Mewujudkan Bangunan Hijau melalui Program Edukasi Pekerja Konstruksi pada Proyek Pembangunan Gedung PTTUN Medan Suranto, Suranto; Mestika, Adhita Nugraha; Ginting, Yeshi Ulina Utami; Marini, Marini
Wahana Jurnal Pengabdian kepada Masyarakat Vol. 4 No. 1 (2025): Edisi Juni
Publisher : Ilmu Bersama Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56211/wahana.v4i1.1114

Abstract

Pengabdian kepada masyarakat oleh perguruan tinggi memiliki peran strategis dalam mendukung pembangunan berkelanjutan, khususnya melalui edukasi langsung kepada tenaga kerja konstruksi. Studi ini bertujuan untuk meningkatkan kesadaran dan keterampilan pekerja proyek dalam menerapkan prinsip bangunan hijau pada pembangunan Gedung Pengadilan Tinggi Tata Usaha Negara (PTTUN) Medan. Edukasi diberikan kepada 56 pekerja melalui pendekatan partisipatif dan visual yang mencakup efisiensi energi, pengelolaan limbah konstruksi berbasis prinsip 3R (Reduce, Reuse, Recycle), serta penerapan standar keselamatan kerja. Hasil menunjukkan peningkatan efisiensi penggunaan beton sebesar 15 persen, pengurangan konsumsi bahan bakar alat berat sebesar 10%, dan penurunan volume limbah campuran hingga 20%. Kepatuhan terhadap protokol K3 meningkat sebesar 25%, sementara insiden kerja ringan berkurang sebesar 30%. Temuan ini menunjukkan bahwa pendekatan edukasi berbasis visual dan praktik langsung efektif dalam mendorong internalisasi prinsip green construction. Model ini dapat direplikasi pada proyek konstruksi lainnya sebagai wujud kolaborasi antara dunia akademik dan industri.
Hybrid GA–MILP Model for Community Building Retrofit Planning Towards Carbon Neutrality Aisyah, Chairini; Mestika, Adhita Nugraha
Sinkron : jurnal dan penelitian teknik informatika Vol. 9 No. 4 (2025): Articles Research October 2025
Publisher : Politeknik Ganesha Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33395/sinkron.v9i4.15315

Abstract

Retrofitting community buildings is a key pathway toward carbon neutrality, yet most existing retrofit planning models lack adaptability to the diverse urban contexts of the Global South, where building typologies are heterogeneous and resources limited. Addressing this gap requires approaches that are both computationally efficient and context-sensitive. This study introduces a hybrid optimization framework that integrates Genetic Algorithm (GA) and Mixed-Integer Linear Programming (MILP) to tackle the multidimensional multiple-choice knapsack problem inherent in retrofit planning. The GA explores high-level system configurations, while MILP ensures precise component-level selection under budget and technical constraints. Compared to conventional single-method approaches, the hybrid GA–MILP achieves near-optimal emission reduction with reduced computation time and greater feasibility, offering a balanced trade-off between performance and scalability. Importantly, the framework demonstrates that medium-cost retrofit strategies provide the most cost-effective path to scalable carbon savings, making it highly relevant for resource-constrained urban environments. By situating retrofit planning within the realities of the Global South, this study advances methodological innovation and provides a robust decision-support tool aligned with sustainable development goals for inclusive and low-carbon urban futures.
Co-Authors Aisyah, Chairini Ginting, Yeshi Ulina Utami Marini . Suranto Suranto