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Yatnanta Padma Devia
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Analisis Debit Limpasan Drainase Akibat Pengaruh Perubahan Tata Guna Lahan Alifia Faradina; Indradi Wijatmiko; Yatnanta Padma Devia
Rekayasa Sipil Vol 12, No 2 (2018)
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2018.012.02.1

Abstract

The drainage area of the secondary drainage system of the Gunungsari often occurs inundation or flood during rain. This is due to land use change, which was originally a water catchment area transformed into a densely populated area that resulted in disruption of soil absorption so that runoff becomes bigger. The analysis used in this thesis includes hydrological analysis, land use analysis, domestic discharge analysis, cumulative discharge analysis and hydraulics analysis. The hydrological analysis calculated the rainfall at return period of 2, 5, and 10 year with the Pearson Log distribution III, discharge calculation of the plan with the return period by means of the rational method and the method of coefficient value of land use (C) the land is then divided by the area of each sub das. The analysis of domestic waste was calculated from the total population prediction in the future and the water needs of the population. The cumulative discharge was total from domestic discharge and flood discharge of the return period of 2, 5, and 10 years. Hydraulic analysis was calculated to know the existing capacity of channel. The changing of land use were represented by average land use value ( Caverage ), which the value are 0,732; 0,725 and 0,747 for the year 2002; 2007 and 2017 respectively. Based on the results of flood discharge planning analysis, cumulative discharge in return periods of 10 years and hydraulic analysis, the flooding occurred at Darmo Indah channel (segment 5-2) by comparing capacity discharge 2,49 m3 / s and cumulative discharge 4,360 m3/s, Darmo Harapan channel (segment 4-5) by comparing capacity discharge 2,90 m3/s and cumulative discharge 4,496 m3/s. Darmo Satelit channel (segment 7-8) by comparing capacity drainage 4,08 m3/s and cumulative discharge 4,586 m3/s and Simo Gunung channel (segment 18-19) by comparing capacity drainage and cumulative discharge 1,31 m3/s and 2,648m3/s. The capacity of existing secondary channels is not able to accommodate cumulative water discharge over the next 10 years. Therefore, the solution to overcome the flooding is by substituting existing channel box culvert. On the other had, another way to prevent flooding are maintenance and cleaning of solid waste and sedimention regularly.
Evaluation of Natural Lighting System of Lecture Building Ariska Desy Haryani; Yatnanta Padma Devia; Eva Arifi
Rekayasa Sipil Vol 15, No 3 (2021)
Publisher : Department of Civil Engineering, Faculty of Engineering, Universitas Brawijaya

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Abstract

Visual comfort is one of the most important things that building need. A building with a proper passive design obtains fulfill the users visual comfort through natural lighting  on the other hand, a passive design that is less precise always requires energy to achieve the users visual comfort. Lecture building is one of the buildings that is effectively used 8 hours a day and 5 days on a week. The high operating hours cause visual comfort in the building becomes very important. The purpose of this study is to determine the performance of the building passive design in terms of lighting  to comprehend various visual problems in the building. The method used in this research is quantitative comparative by comparing the value of  building lighting. Through the results of field measurements, building modeling simulations with Ecotect software, and SNI 03-6197-2000 parameter  several problems were found in the building's natural lighting system such as inadequacy of lighting on the facade with a southwest orientation, enormous lighting on the facade with a northeast orientation, uneven lighting causing various visual discomforts.
Life Cycle Cost Analysis to Maintain Material Construction on Hotel Development Project Batu I Kadek Adit Putra Igmas; Yatnanta Padma Devia; Kartika Puspa Negara
Rekayasa Sipil Vol. 17 No. 2 (2023): Rekayasa Sipil Vol. 17 No. 2
Publisher : Department of Civil Engineering, Faculty of Engineering, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2023.017.02.10

Abstract

Life cycle cost analysis is a crucial design process in controlling the initial costs and future costs of owning a company investment project. Therefore, it is necessary to conduct a life cycle analysis study cost to find out what cost categories are contained in the Project hotel development in the Batu City area also, see how much the total cost incurred by a project. The construction of the hotel starts from the design stage to the technical age of the hotel that has been completed set. The purpose of this study is to identify service life components hotel building materials, and make a long-term plan for the life cycle cost of the hotel building in the Batu City area. The results of this study indicate that in the Life Cycle Cost Analysis using the essential cost of building investment for 15 years, where there are items of Initial Cost, Annual Recurring Cost, Non-Recurring Cost, the LCC cost of Architectural Work on the Initial Design is IDR 21,542,108,279.
Energy Efficient Design of Building Based on Building Information Modelling (BIM) Giovanni Hertata Oktavian; Indradi Wijatmiko; Christin Remayanti Nainggolan; Yatnanta Padma Devia; M. Ruslin Anwar
Jurnal Mahasiswa Jurusan Teknik Sipil Vol. 1 No. 3 (2023)
Publisher : Jurusan Teknik Sipil, Fakultas Teknik, Universitas Brawijaya

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Abstract

Building energy analysis is rarely carried out due to the complexity of building shape and materials. On the other hand, the urgency of environmentally friendly construction is increasing through the vision of the SDGs and Architecture 2030. The development of BIM technology is expected to provide accurate estimates of building energy consumption for projects undertaken, as well as recommendations for alternative designs and specifications to increase the energy efficiency of a building. The use of BIM technology for energy analysis during building design helps to implement green building sustainable design based on the analysis of BIM energy simulation software. Data of three-dimensional BIM model with the attributes of materials, project schedule and location are used in building energy consumption simulation analysis. Several scenarios of different materials and layout are carried out to determine the most efficient scenario for energy consumption and followed by its cost estimation. The results of this study are expected to be able to provide the energy value that can be saved through predetermined scenarios as well as the value of the costs required to run a more energy-friendly design scenario in a comprehensive manner.
ANALISIS KELAYAKAN FINANSIAL DAN TEKNIS PADA PEMBANGUNAN PERUMAHAN X DI KOTA MALANG Putu Aditya Hariwangsa Putra; Achfas Zacoeb; Yatnanta Padma Devia
Jurnal Mahasiswa Jurusan Teknik Sipil Vol. 1 No. 3 (2023)
Publisher : Jurusan Teknik Sipil, Fakultas Teknik, Universitas Brawijaya

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Abstract

Pemerintah Indonesia menganggap rencana pembangunan, memiliki fokus yang tinggi dalam rangka mengatasi kekurangan perumahan, meningkatkan aksesibilitas perumahan terjangkau, dan meningkatkan kualitas hidup masyarakat. Kota Malang adalah salah satu kota di Indonesia yang terkenal sebagai pusat pendidikan dengan sejumlah perguruan tinggi terkemuka. Karena permintaan pasar yang tinggi akan hunian rumah, maka peluang bisnis properti perumahan untuk para pengembang dan perorangan semakin menjanjikan. Tujuan penelitian untuk mengetahui apakah bisnis properti layak atau tidak sehingga dapat menguntungkan secara finansial bagi pengembang. Metode pada penilitian ini adalah analisis deskriptif kuantitatif. Aspek finansial yang digunakan antara lain Net Present Value (NPV), Benefit Cost Ratio (BCR), Internal Rate of Return (IRR), dan Payback Period (PP). Teknik pengumpulan meliputi data primer dengan cara survey lapangan dan wawancara dengan pihak perwakilan developer dan data sekunder diperoleh dari pihak-pihak yang berkaitan dengan pembangunan dan kepemilikan bangunan. Aspek kelayakan teknis yaitu Tinggi Lantai Bangunan (TLB), Koefisien Lantai Bangunan (KLB), dan Koefisien Dasar Hijau (KDH). Proyek Perumahan Bumi Rajasa memiliki nilai yang lebih lebih kecil dari yang disyaratkan oleh Peraturan Rencana Tata Ruang Wilayah maupun Peraturan Daerah Kota Malang, sehingga dapat dinyatakan layak, sementara nilai Koefisien Dasar Bangunan (KDH) belum memenuhi nilai minimum dari peraturan yang berlaku sehingga nilai KDB belum layak. Aksesibilitas lokasi dapat dinyatakan layak dan mampu bersaing. Nilai NPV > 0, BCR > 1, dan IRR > MARR sehingga proyek Perumahan x Layak secara aspek finansial dan layak untuk dilaksanakan. Kata Kunci : Kota Malang, perumahan, kelayakan finansial
Analisis Kelayakan Finansial dan Sensitivitas pada Pengembangan Perumahan Samata Residence di Kabupaten Gowa Sulawesi Selatan Audrey Sebastian Tangke; Hendi Bowoputro; Yatnanta Padma Devia
Jurnal Mahasiswa Jurusan Teknik Sipil Vol. 1 No. 3 (2023)
Publisher : Jurusan Teknik Sipil, Fakultas Teknik, Universitas Brawijaya

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Abstract

Untuk mengetahui tingkat keberhasilan suatu investasi, perlu dilakukan analisis kelayakan atau disebut juga feasibility study (FS). Analisis kelayakan finansial dilakukan untuk mengetahui tingkat keberhasilan investasi pada pengembangan perumahan ini dan kelayakan sensitivitas dilakukan untuk menilai bagaimana hasil analisis proyek dapat berubah jika terjadi perubahan dalam dasar perhitungan biaya. Tujuan dari penelitian ini untuk menganalisis kelayakan finansial dan sensitivitas pada pengembangan perumahan agar dapat meminimalisir suatu kerugian finansial yang kemungkinan terjadi dalam investasi pengembangan perumahan ini. Berdasarkan hasil analisis kelayakan finansial, untuk skenario optimistis didapatkan nilai NPV sebesar Rp570.405.259 > 1, BCR sebesar 1,059 , IRR sebesar 36,26% > 8,7% (MARR), dan PP selama 3,9 tahun. Dalam skenario moderat didapatkan nilai NPV sebesar Rp503.345.650 > 1, BCR sebesar 1,053 , IRR sebesar 26,58% > 8,7% (MARR), dan PP selama 4,0 tahun. Dalam skenario pesimistis didapatkan hasil NPV sebesar Rp386.941.822 > 1, BCR sebesar 1,041 , IRR sebesar 18,39% > 8,7% (MARR), dan PP selama 4,4 tahun. Secara finansial, investasi perumahan ini layak dan menguntungkan. Penurunan pendapatan sebesar 5% dapat membuat penurunan keuntungan yang cukup drastis. Kata kunci: Analisis Kelayakan, Kelayakan Finansial, Kelayakan Sensitivitas
Hambatan dalam Penerapan Green Procurement pada Proyek Konstruksi Gedung di Lingkup Perusahaan Kontraktor di Surabaya Cholifatu Nadiah; Kartika Puspa Negara; Yatnanta Padma Devia
Jurnal Mahasiswa Jurusan Teknik Sipil Vol. 1 No. 2 (2024): Student Journal
Publisher : Jurusan Teknik Sipil, Fakultas Teknik, Universitas Brawijaya

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Abstract

Pemanasan global, yang disebabkan oleh peningkatan gas rumah kaca dari aktivitas manusia, mengancam keberlanjutan bumi dengan dampak seperti perubahan cuaca ekstrem, kenaikan permukaan air laut, dan penurunan keanekaragaman hayati. Kerjasama global dan praktik berkelanjutan, khususnya dalam industri konstruksi yang menyumbang 37% emisi gas rumah kaca, sangat diperlukan. Sustainable construction dan green procurement adalah langkah penting dalam mengurangi emisi. Penelitian ini menggunakan metode survei kuantitatif pada lima perusahaan konstruksi besar di Surabaya untuk menilai hambatan yang terjadi pada penerapan green procurement. Hasil kuesioner diolah dengan metode Relative Importance Index (RII) Hasil menunjukkan bahwa hambatan utama meliputi kurangnya dukungan pemerintah, pedoman yang tepat, sosialisasi, peningkatan biaya proyek, dan alat pengukuran. Kata kunci: Sustainable Construction, Green Procurement, Kontraktor
Perencanaan Teknis dan Anggaran Biaya Penyediaan Air Bersih di Kecamatan Rembang Kabupaten Pasuruan dari Sumber Umbulan Muhammad Agung Wijaya; Yatnanta Padma Devia; Alwafi Pujiraharjo
Jurnal Mahasiswa Jurusan Teknik Sipil Vol. 1 No. 2 (2024): Student Journal
Publisher : Jurusan Teknik Sipil, Fakultas Teknik, Universitas Brawijaya

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Abstract

Di Provinsi Jawa Timur terdapat sumber mata air bernama Umbulan dengan kualitas air yang baik, terletak di Desa Umbulan Kecamatan Winongan Kabupaten Pasuruan. Pada Kerjasama Pemerintah dan Badan Usaha ( KPBU ) Sistem Penyediaan Air Minum ( SPAM ) Umbulan terdapat kapasitas debit ±4.000 liter/detik. Sumber air Umbulan ini memiliki 18 offtake, 6 elevated reservoir, dan 11 ground tank untuk memenuhi kebutuhan air bersih di 5 kota dan kabupaten yang ada di Jawa Timur, yaitu Kabupaten Pasuruan, Kota Pasuruan, Kabupaten Sidoarjo, Kota Surabaya, dan Kabupaten Gresik. Debit yang diperoleh oleh masing-masing kota adalah Kota Surabaya ±1.000 liter/detik, Kota Pasuruan ±110 liter/detik, Kabupaten Sidoarjo ±1.200 liter/detik, Kabupaten Gresik ±1.000 liter/detik, dan Perusahaan Daerah Air Bersih ( PDAB ) ±280 liter/detik ( Khofifa, 2020 ). Di Kabupaten Pasuruan, debit air yang mengalir dari sumber Umbulan sebesar 410 liter/detik. Debit air tersebut akan disalurkan ke seluruh wilayah di Kabupaten Pasuruan. Kondisi pelayanan kebutuhan air bersih khususnya di Kecamatan Rembang masih belum maksimal. Untuk itu, perlu adanya studi tentang perencanaan teknis dan anggara biaya jaringan pipa distribusi di Kecamatan Rembang yang sumber air bersihnya berasal dari Sumber Umbulan Kabupaten Pasuruan. Kondisi pelayanan kebutuhan air bersih dari Sumber Umbulan di Kecamatan Rembang yang sudah terlayani sebanyak 5 desa dari 17 desa yang ada. Desa yang sudah memiliki akses air bersih antara lain Desa Pejangkungan, Desa Pekoren, Desa Mojoparon, Desa Pandean dan Desa Raci. Pada penelitian ini dipilih lokasi pengembangan jaringan pipa distribusi di Desa Rembang Kecamatan Rembang Kabupaten Pasuruan. Kata kunci : SPAM Umbulan, air bersih, pipa distribusi.
Energy Efficiency Consumption of Building Planning Based on Indonesia Green Building Rules: A Case Study Salsabila Ramadhanti; Yatnanta Padma Devia; Alwafi Pujiraharjo
Engineering Science Letter Vol. 4 No. 02 (2025): Engineering Science Letter
Publisher : The Indonesian Institute of Science and Technology Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56741/IISTR.esl.001076

Abstract

This study evaluates the energy performance of the Tower B building in Riau Province, Indonesia, based on green building assessment criteria, with a focus on energy use efficiency. The initial design showed a total energy consumption of 2,255,923 kWh/year, corresponding to an Energy Use Intensity (EUI) of 95.46 kWh/m²/year, and earned a moderate energy score of 30 out of 46. Two operational strategies were proposed to address inefficiencies: (1) reducing the number of elevator units from six to four, and (2) implementing separate grouping of luminaires based on daylight exposure. Simulation results indicated that these strategies could reduce energy consumption in the elevator system by 33% and in the lighting system by 13%, without compromising user service standards. The combined application of both measures reduced total building energy use to 1,949,861 kWh/year (EUI 82.51 kWh/m²/year), yielding a 29% overall reduction and increasing the energy efficiency score to 38. While the results are promising, further research is needed to validate implementation through sensitivity analysis, behavioral modeling, and integration into regulatory frameworks. This study highlights the potential of adaptive operational strategies in optimizing building energy performance in tropical urban contexts.
Co-Authors Achfas Zacoeb Alifia Faradina Alwafi Pujiraharjo Ariska Desy Haryani Audrey Sebastian Tangke Cholifatu Nadiah Christin Remayanti Nainggolan Eva Arifi Giovanni Hertata Oktavian Hendi Bowoputro I Kadek Adit Putra Igmas Indradi Wijatmiko Indradi Wijatmiko KARTIKA PUSPA NEGARA M. Ruslin Anwar Muhammad Agung Wijaya Putu Aditya Hariwangsa Putra Salsabila Ramadhanti