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All Journal Jurnal Ilmiah Arsitektur Science and Education Journal
Lakshita Umanis Fauzi
Universitas Negeri Malang
Humanities Civil Engineering, Building, Construction & Architecture Education Social Sciences

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DISKREPANSI BEBAN TATA UDARA PADA ATAP BETON TANPA INSULASI DI KAWASAN BERIKLIM PESISIR Dimas Fa Adilah Ramdhani; Muhammad Aris Ichwanto; Dafa Sashi Ramdhani; Hendita Budi Pramana; Lakshita Umanis Fauzi; Tee Tze Kiong
Jurnal Ilmiah Arsitektur Vol. 16 No. 1 (2026): Juni
Publisher : Jurusan Arsitektur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32699/jiars.v16i1.11101

Abstract

Penerapan gaya arsitektur industrialis yang mengekspos material raw seperti dak beton marak diaplikasikan pada hunian modern. Namun, ketiadaan elemen insulasi pada atap di kawasan iklim tropis pesisir berpotensi memicu anomali termal. Penelitian ini bertujuan untuk mengevaluasi dan mengkomparasi akumulasi beban pendinginan (cooling load) pada hunian dua lantai bergaya industrialis di Kabupaten Demak. Metode komputasi kuantitatif yang digunakan merujuk pada standar utilitas mekanikal ASHRAE dengan mengaplikasikan variabel Cooling Load Temperature Difference (CLTD). Analisis komparatif dilakukan antara ruang di lantai satu (terproteksi pelat lantai) dan lantai dua (terpapar atap dak beton secara langsung). Hasil perhitungan membuktikan terjadinya lonjakan beban termal yang sangat ekstrem pada lantai dua, yakni mencapai 9.984 BTU/h, melampaui secara signifikan beban lantai satu yang hanya sebesar 5.546 BTU/h. Diskrepansi absolut dengan lonjakan mencapai 80% ini mengonfirmasi bahwa atap beton ekspos bertindak sebagai konduktor panas masif yang memaksa eskalasi utilitas mekanikal secara drastis, dari kebutuhan awal tata udara berkapasitas 3/4 PK di lantai satu menjadi 1,5 PK di lantai dua. Penelitian ini menyimpulkan bahwa estetika arsitektur industrialis di wilayah pesisir wajib diintegrasikan dengan intervensi desain pasif, seperti penggunaan solar reflective coating atau roof garden, agar selaras dengan prinsip efisiensi energi bangunan berkelanjutan.
Analisis Komposisi dan Efisiensi Biaya Kontruksi Berdasarkan Rencana Anggaran Biaya (RAB) pada Proyek Rehabilitasi Kantor Kecamatan Wajak Kabupaten Malang Aura Aldamah Dea Putri; Tri Kuncoro; Lakshita Umanis Fauzi; Haura Inas Fibrilian
Science and Education Journal (SICEDU) Vol 5 No 2 (2026): Science and Education Journal 2026
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/sicedu.v5i2.336

Abstract

This study aims to analyze the composition and cost efficiency of the construction project for the rehabilitation of the Wajak Subdistrict Office in Malang Regency. Cost management is a critical aspect of construction management as it relates to the effective and efficient use of resources. The data used in this study consists of secondary data from the Cost Estimate (RAB) and Unit Price Analysis (AHSP) documents for the 2022 project, which were reanalyzed in 2024. The research method employed is quantitative descriptive analysis using a percentage-based approach to determine the distribution of construction costs by type of work. The results of the study indicate that the total construction cost amounts to Rp199,826,534 with an uneven cost distribution. Retaining wall work constitutes the largest cost component with a contribution of 58.21%, followed by ceiling and roof work at 22.99%, while other works have relatively small contributions. The analysis results indicate that the dominance of costs in formwork work is influenced by the large volume of work and the high material requirements. Therefore, construction cost control needs to be focused on the work with the largest contribution so that cost efficiency can be optimally achieved.
Co-Authors Aura Aldamah Dea Putri Dafa Sashi Ramdhani Dimas Fa Adilah Ramdhani Haura Inas Fibrilian Hendita Budi Pramana Muhammad Aris Ichwanto Tee Tze Kiong Tri Kuncoro