Analisis Life Cycle Cost Untuk Integrasi Fitur Bangunan Hijau Pada Rumah Subsidi

Buyang, Brian Yohanes (2026) Analisis Life Cycle Cost Untuk Integrasi Fitur Bangunan Hijau Pada Rumah Subsidi. Masters thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

Program perumahan subsidi pemerintah untuk Masyarakat Berpenghasilan Rendah (MBR) sering kali berfokus pada minimalisasi biaya investasi awal sehinggah mengabaikan aspek keberlanjytan (Sustainability) jangka panjang dan dampak lingkungan. Disisi lain terdapat isu lingkungan yaitur peningkatan emisi karbon yang salah satu contributor adalah bangunan. Untuk mengatasi masalah ini tentu dengan mengintegrasi Green Concept namun persepsi bahwa bangunan hijau memerlukan biaya mahal menjadi kendala utama penerapannya pada sektor ini. Penelitian ini bertujuan menganalisis Cost of Usage dari integrasi fitur bangunan hijau pada rumah subsidi dengan studi kasus pada rumah tipe 30/66 di PT Gama Waskita Graha, Bangil, Jawa Timur. Metodologi dilakukan melalui identifikasi fitur hijau, analisis kelayakan dihitung menggunakan metode Life Cycle Cost (LCC) selama periode 20 untuk membandingkan total biaya kepemilikan antara rumah konvensional dan empat skenario hijau, yang kemudian divalidasi melalui simulasi keterjangkauan cicilan KPR FLPP. Hasil penelitian menunjukkan bahwa fitur terpilih seperti reflective roof, kaca low-U, ventilasi alami, dan sanitasi hemat air paling optimal dan sederhana unuk diintegrasikan pada rumah subsidi. Kemudian, dari fitur-fitur ini dikembangkan menjadi scenario lanjutan (Improved Case) untuk dibandingkan dengan Base Case Berdasarkan perhitungan LCC, rumah konvensional (Baseline) memiliki nilai Rp204.857.143, sementara Skenario 1, 2, dan 3 masing-masing bernilai Rp216.433.225, Rp 218.234.576, dan Rp216.611.868. Skenario 4 tercatat sebagai alternatif paling optimal di antara skenario hijau dengan nilai LCC terendah sebesar Rp210.775.854. Meskipun memiliki biaya investasi awal tertinggi, Skenario 4 mencatatkan nilai LCC terendah di antara skenario hijau lainnya, yaitu sebesar Rp204.069.502. Hal ini membuktikan bahwa efisiensi operasional ekstrem dari strategi desain pasif mampu mengompensasi modal awal secara lebih efektif dibandingkan skenario lainnya. Validasi keterjangkauan membuktikan bahwa Skenario 4 hanya meningkatkan total pengeluaran bulanan sebesar Rp22.022 dibandingkan rumah standar, sehingga integrasi konsep hijau komprehensif ini tetap sangat terjangkau bagi MBR sekaligus memberikan kenyamanan termal dan kontribusi terhadap pengurangan emisi karbon sebesar 1,7 tCO2e/tahun.
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Government subsidized-housing programs for Low-Income Communities (MBR) often focus on minimizing initial investment costs, thereby neglecting long-term sustainability aspects and environmental impacts. Conversely, the construction sector is a significant contributor to rising carbon emissions. To address these issues, the integration of Green Concepts is essential; however, the perception that green buildings require high costs remains a major obstacle to implementation in this sector. This study aims to analyze the Cost of Usage from integrating green building features into subsidized housing, using a case study of a Type 30/66 house at PT Gama Waskita Graha, Bangil, East Java. The methodology involved identifying green features and calculating feasibility using the Life Cycle Cost (LCC) method over a 20-year period to compare the total cost of ownership between a conventional house and four green scenarios. These were further validated through an FLPP (Housing Financing Liquidity Facility) mortgage affordability simulation. The results indicate that selected features such as reflective roofing, low-U value glass, natural ventilation, and water-efficient sanitation are the most optimal and straightforward to integrate into subsidized housing. Based on these features, an "Improved Case" scenario was developed to be compared with the "Base Case." According to LCC calculations, the conventional house (Baseline) has a value of IDR 204,857,143, while Scenarios 1, 2, and 3 are valued at IDR 216.433.225, IDR 218.234.576, and IDR 216.611.868, respectively. Scenario 4 was identified as the most optimal alternative among the green scenarios with the lowest LCC value of IDR 204.069.502. This proves that the extreme operational efficiency derived from passive design strategies can compensate for the initial capital more effectively than other scenarios. Affordability validation demonstrates that Scenario 4 only increases total monthly expenditures by IDR 22.022 compared to a standard house. Thus, integrating this comprehensive green concept remains highly affordable for MBR while providing thermal comfort and contributing to a carbon emission reduction of 1.7 tCO2e/year.

Item Type:	Thesis (Masters)
Uncontrolled Keywords:	Life Cycle Cost, Bangunan Hijau, Perumahan Subsidi, Efisiensi Energi, Efisiensi Air. Life Cycle Cost, Green Building, Subsidized Housing, Energy Efficiency, Water Efficiency.
Subjects:	T Technology > TH Building construction > TH880 Sustainable buildings. Sustainable construction. Green building
Divisions:	Faculty of Civil, Planning, and Geo Engineering (CIVPLAN) > Civil Engineering > 22101-(S2) Master Thesis
Depositing User:	Brian Yohanes Buyang
Date Deposited:	02 Feb 2026 06:28
Last Modified:	02 Feb 2026 06:28
URI:	http://repository.its.ac.id/id/eprint/131497

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