NOVIYANTO, OKTA (2025) ANALISIS IMPLEMENTASI RAIN HARVESTING BERBASIS SEL SURYA DAN APLIKASI SERTA PENGARUHNYA TERHADAP GREEN BUILDING. S2 thesis, Universitas Mercu Buana Jakarta.
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Abstract
The rapid growth of urbanization presents serious challenges in water resource management, particularly in urban areas. This study aims to analyze the implementation of a solar-powered rainwater harvesting system and its digital application, and to evaluate its impact on the implementation of the green building concept. The study was conducted at Universitas Mercu Buana Jakarta using quantitative, experimental, and evaluative approaches to assess the system design, harvested water quality, energy efficiency, and its contribution to the Green Building Assessment (BGH) based on Ministry of Public Works Regulation No. 21 of 2021. Three rain harvesting system designs were developed using the VDI 2221 method, and the best design was selected based on functional efficiency, sustainability, and optimization of water distribution using gravity. Water quality testing included physical, chemical, and microbiological parameters, showing results that met drinking water standards. Solar panels were utilized to support system operations, reducing reliance on conventional energy. A monitoring application was developed to facilitate real-time system management and integration with the Building Management System (BMS). Evaluation results indicate that this system can enhance BGH scores to the 'Madya' category while offering cost efficiency and reducing environmental risks. This research concludes that integrating solar-powered rain harvesting systems with digital water management represents an effective and sustainable solution to support green building development in urban environments. Keywords: rain harvesting, solar cell, green building, renewable energy, monitoring application, green building assessment (BGH). Pertumbuhan urbanisasi yang pesat menimbulkan tantangan serius dalam pengelolaan sumber daya air, khususnya di wilayah perkotaan. Penelitian ini bertujuan untuk menganalisis implementasi sistem pemanenan air hujan (rain harvesting) berbasis sel surya serta aplikasi digitalnya, dan mengevaluasi dampaknya terhadap penerapan konsep green building. Studi dilakukan di Universitas Mercu Buana Jakarta dengan pendekatan kuantitatif, eksperimental, serta evaluatif terhadap desain sistem, kualitas air hasil panen, efisiensi energi, dan kontribusinya terhadap penilaian Bangunan Gedung Hijau (BGH) sesuai Permen PUPR No. 21 Tahun 2021. Tiga desain sistem rain harvesting dikembangkan menggunakan pendekatan metode VDI 2221, dan desain terbaik dipilih berdasarkan efisiensi fungsi, keberlanjutan, serta optimasi distribusi air dengan gravitasi. Pengujian kualitas air mencakup parameter fisik, kimia, dan mikrobiologis, yang menunjukkan hasil sesuai standar air minum. Panel surya digunakan untuk mendukung operasional sistem, mengurangi ketergantungan terhadap energi konvensional. Aplikasi monitoring dibuat untuk mempermudah manajemen sistem secara real-time dan terintegrasi dengan Building Management System (BMS). Hasil evaluasi menunjukkan bahwa sistem ini mampu meningkatkan skor penilaian BGH hingga kategori Madya, sekaligus memberikan efisiensi biaya dan pengurangan risiko lingkungan. Penelitian ini menyimpulkan bahwa integrasi sistem rain harvesting berbasis energi terbarukan dan digitalisasi pengelolaan air merupakan solusi efektif dan berkelanjutan dalam mendukung pembangunan gedung hijau di kawasan urban. Kata Kunci : rain harvesting, sel surya, green building, energi terbarukan, aplikasi monitoring, bangunan gedung hijau (BGH).
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