Dieksa Saputri Himawan
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ANALISIS POTENSI PEMANENAN AIR HUJAN SEBAGAI SUBSTITUSI KEBUTUHAN AIR NON-POTABLE PADA GEDUNG PERKANTORAN BERTINGKAT DI SURABAYA Immanuel Surya Pratama; Nur Latifah Khomsiati; Dieksa Saputri Himawan; Fadilatul Anisa; Tee Tze Kiong
Pendas : Jurnal Ilmiah Pendidikan Dasar Vol. 11 No. 02 (2026): Volume 11 No. 2, Juni 2026 Release
Publisher : Program Studi Pendidikan Guru Sekolah Dasar FKIP Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/jp.v11i02.44475

Abstract

The limited supply of clean water in urban areas necessitates the development of efficient and sustainable alternative solutions. Rainwater harvesting is a promising approach to reduce dependence on conventional clean water sources in multi-story buildings. This study aims to assess the potential of rainwater haversting as a substitute for non-potable water needs in multi-stoty office buildings in urban areas. The methods employed include ten year rainfall data analysis (2013-2023), effective rooftop area calculation, storage volume situation, and building water demand analysis. The result indicate that with an effective roof area of 1.200 m2 and an avarge annual rainfall of 2.100 mm, the rainwater haversting system can fulfill 42-67% of non-potable water demands, primarily for toilet flushing, garden irrigation, and fire supression. Economic analysis reveals a payback period of 6 year 8 month with annual water cost savings of IDR 18.400.000,00. This research contributes of the development of green buildings and water conservation in urban environments.
ANALISIS KELAYAKAN TINGKAT KEBISINGAN DAN INTENSITAS PENCAHAYAAN RUANG PERPUSTAKAAN SEKOLAH DASAR DI KOTA MALANG MENGGUNAKAN SOUND LEVEL METER DAN LUX METER Dieksa Saputri Himawan; Nur Latifah Khomsiati; Immanuel Surya Pratama; Fadilatul Anisa; Tee Tze Kiong
Pendas : Jurnal Ilmiah Pendidikan Dasar Vol. 11 No. 02 (2026): Volume 11 No. 2, Juni 2026 Release
Publisher : Program Studi Pendidikan Guru Sekolah Dasar FKIP Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/jp.v11i02.44477

Abstract

The library is one of the key facilities in the student learning process that requires an adequate physical environment, particularly regarding noise levels and lighting intensity. This study aims to analyze the suitability of noise levels and lighting intensity in the library of an elementary school in Malang City based on applicable quality standards. Measurements were taken at 30 observation points at 20-minute intervals, from 10:00 AM to 12:00 PM, using a sound level meter and a lux meter. The reference standards used were SNI 03-6386-2000 for noise levels (≤55 dBA for reading rooms) and SNI 03-6197-2000 for lighting intensity (≥300 lux for library reading rooms). The analysis results showed that most measurement points did not meet the minimum lighting standards, while most noise levels exceeded the permissible thresholds. This study provides recommendations for improvement, including the addition of artificial light sources and the use of sound-absorbing materials to enhance the comfort of the library reading room.
STUDI LITERATUR: PENGARUH KONDISI IKLIM DAN POLA PERILAKU PENGHUNI DAN IMPLIKASINYA TERHADAP PERANCANGAN SISTEM MEP PADA RUMAH TINGGAL DI WILAYAH SUBTROPIS Fadilatul Anisa; Immanuel Surya Pratama; Dieksa Saputri Himawan; Nur Latifah Khomsiati; Tee Tze Kiong
Pendas : Jurnal Ilmiah Pendidikan Dasar Vol. 11 No. 02 (2026): Volume 11 No. 2, Juni 2026 Release
Publisher : Program Studi Pendidikan Guru Sekolah Dasar FKIP Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/jp.v11i02.45308

Abstract

This study aims to analyze the integration of climatic conditions, occupant behavior patterns, and their implications for the design of Mechanical, Electrical, and Plumbing (MEP) systems in residential buildings in the coastal subtropical region of Momochihama, Fukuoka. Using a descriptive qualitative literature review method, the research explores extreme environmental challenges such as high humidity and salt aerosol exposure. The findings indicate that the fluctuating subtropical climate necessitates the use of adaptive technologies such as Air-Source Heat Pumps and Energy Recovery Ventilation (ERV) for energy efficiency and humidity control. Furthermore, Japanese hygiene culture increases water and energy demands on plumbing and electrical systems. Design implications include the use of non-corrosive materials (PVC/HDPE) and stainless steel (SUS 316) to ensure material durability. System resilience is enhanced through the implementation of microgrids with battery energy storage and rainwater harvesting as strategies against extreme weather disasters. In conclusion, effective MEP design in subtropical coastal areas must synergize material resistance, understanding of local cultural behavior, and smart technology to achieve sustainable energy efficiency and thermal comfort.
PEMETAAN DAERAH RAWAN BANJIR DI DESA MOJOREJO KOTA BATU MENGGUNAKAN SISTEM INFORMASI GEOGRAFIS Rizky Ahmad Qusyairy; Fahmi Nur Hakim; Nia Putri Nabila; Dieksa Saputri Himawan; Muhammad Rijal Raharjo; Artika Putri Devi Arifianto; Anggraini Erika Putri; Yosefa Martha Mutiarakasih; Weldys Febri Yulianto; Rizal Aldi Ramadani; Rayana Sulthon Ar Rabbani; Rangga Putra Kusuma; Fajri Ramli; Nurul Huda Romadhoni; Eqsa Citra Efanda Neni; Puput Risdanareni
Pendas : Jurnal Ilmiah Pendidikan Dasar Vol. 11 No. 03 (2026): Volume 11 Nomor 03, September 2026 Verified
Publisher : Program Studi Pendidikan Guru Sekolah Dasar FKIP Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/jp.v11i03.58195

Abstract

This study aims to map flood-prone areas in Mojorejo Village, Junrejo District, Batu City, using a Geographic Information System (GIS) approach. Methodologically, a multi-criteria overlay analysis was applied within ArcGIS software by integrating six spatial parameters: slope, elevation, soil type, rainfall, land cover, and drainage density. Each parameter was classified, scored, and weighted based on its relative influence on flood generation. The weighting scheme assigned 30% to slope, 25% to rainfall, 20% to land cover, 15% to elevation, 10% to drainage density, and 5% to soil type. The spatial analysis reveals that flood vulnerability in Mojorejo Village is heavily driven by the intersection of flat terrains and high-intensity rainfall, which significantly trigger surface runoff. This condition is aggravated by high soil saturation from low-permeability clay soils and accelerated land conversion into residential or commercial zones that reduces soil infiltration. The resulting flood vulnerability map serves as an essential spatial decision-support tool for the local government and community to implement strategic, risk-based structural and non-structural flood mitigation planning.