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All Journal JURNAL ILMIAH PENDIDIKAN FISIKA AL BIRUNI JOIV : International Journal on Informatics Visualization Jurnal Qua Teknika KURVATEK Aviation Electronics, Information Technology, Telecommunications, Electricals, Controls (AVITEC) G-Tech : Jurnal Teknologi Terapan DEVICE Jurnal Penelitian Inovatif Indonesian Community Journal Aptekmas : Jurnal Pengabdian Kepada Masyarakat JITU (Jurnal Ilmiah Teknik Unida) International Journal of Hydrological and Environmental for Sustainability Journal of Community Service JOMPA ABDI: Jurnal Pengabdian Masyarakat Jurnal Ekonomi dan Bisnis STORAGE: Jurnal Ilmiah Teknik dan Ilmu Komputer Prosiding Seminar Nasional Rekayasa Teknologi Industri dan Informasi ReTII Sewagati Jurnal Pengabdian Masyarakat Bangsa GEMBIRA (Pengabdian Kepada Masyarakat) Masyarakat: Jurnal Pengabdian
Sely Novita Sari
Institut Teknologi Nasional Yogyakarta
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Journal : G-Tech : Jurnal Teknologi Terapan

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Upaya Mitigasi Meningkatkan Kapasitas Bangunan Terhadap Ancaman Bencana Tanah Longsor di Kalirejo, Kokap, Kulonprogo Sely Novita Sari; Anggi Hermawan; Rizqi Prastowo
G-Tech: Jurnal Teknologi Terapan Vol 7 No 1 (2023): G-Tech, Vol. 7 No. 1 Januari 2023
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (667.913 KB) | DOI: 10.33379/gtech.v7i1.1966

Abstract

Pre-Disaster Mitigation is carried out to reduce casualties and material casualties when a landslide occurs. Research on the analysis of the potential for landslides in the Kalirejo area using various methods has been carried out, so further research will be carried out on the analysis of building non-conformity measures based on the evaluation of typical simple walls. Evaluation actions are needed for strengthening, restoring or relocating buildings in landslide-prone areas, so that the government will provide recommendations for strengthening and building restoration activities in accordance with the evaluation form. The method used was to distribute closed and open questionnaires to analyze the actions to be taken if the existing buildings were not in accordance with the standards. The conclusion obtained is that 45% of the reinforcement activities can be carried out. There were 22 buildings that could not be strengthened so they were left as they were. For repaired activities, it was found that there were 5 building conditions that could not be returned or around 12.5% of the building conditions that were left as they were. For the condition of the building that can be repaired by 87.5% of the condition of the building.
Analisis Kapasitas Mesin Pencacah Limbah Plastik dan Tekstil Menggunakan Unit Penghancur (Shredder) Rivan Muhfidin; Sely Novita Sari; Rizqi Prastowo
G-Tech: Jurnal Teknologi Terapan Vol 8 No 3 (2024): G-Tech, Vol. 8 No. 3 Juli 2024
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33379/gtech.v8i3.4400

Abstract

Sampah plastik menjadi isu lingkungan mendesak dengan produksi global mencapai jutaan ton per tahun, berdampak negatif di darat dan laut. Daur ulang sampah plastik adalah salah satu solusi terbaik. Penelitian ini bertujuan menghasilkan mesin pencacah plastik dan tekstil tipe shredder, menggunakan metode eksperimen untuk memodifikasi mesin pencacah yang ada agar lebih sederhana dan sesuai kebutuhan Rumah Sampah Ringas Trengginas. Sampel uji meliputi PET, HDPE, dan sampah tekstil. Data dikumpulkan melalui observasi dan studi literatur, dianalisis berdasarkan perencanaan pembuatan mesin dan hasil Pencacahan limbah. Mesin ini mampu mencacah 100 gram plastik 0,3 mm dalam 27 detik (13,3 kg/jam), plastik 0,5 mm dalam 30 detik (12 kg/jam), dan tekstil 0,2 mm dalam 45 detik (8 kg/jam). Rata-rata kapasitas mesin adalah 10,13 kg/jam.
Penilaian Pelaksanaan Pemeliharaan dan Perawatan Bangunan Hotel di Sleman Yogyakarta Sely Novita Sari; Rizal Maulana; Anggi Hermawan; Oggi Heicqal Ardian
G-Tech: Jurnal Teknologi Terapan Vol 8 No 3 (2024): G-Tech, Vol. 8 No. 3 Juli 2024
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33379/gtech.v8i3.4556

Abstract

Pemerintah telah menetapkan pedoman melalui Peraturan Menteri Pekerjaan Umum No. 24/PRT/M/2008 mengenai pemeliharaan dan perawatan bangunan Hotel. Pedoman ini bertujuan untuk mengurangi kerusakan dan masalah pada konstruksi bangunan dari segi kualitas, fasilitas, dan keamanan, serta mempermudah penanganan jika terjadi kerusakan. Pengamatan struktural bangunan memerlukan pengujian yang cermat. Penelitian ini menilai pemeliharaan dan perawatan Hotel sesuai peraturan tersebut. Hasilnya menunjukkan bahwa dari enam hotel yang diperiksa, pelaksanaan pemeliharaan bangunan mencapai 55,57%, sementara pelaksanaan perawatan mencapai 63,39%. Penelitian ini membantu menilai sejauh mana pedoman tersebut diterapkan dan dipahami di lapangan
Perencanaan Temporary Modular Shelter sebagai Solusi Hunian Sementara: Systematic Literature Review Sely Novita Sari; Fitri Nugraheni
G-Tech: Jurnal Teknologi Terapan Vol 8 No 4 (2024): G-Tech, Vol. 8 No. 4 Oktober 2024
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70609/gtech.v8i4.5409

Abstract

Climate change and the increasing frequency of natural disasters highlight the importance of rapid and efficient temporary housing solutions, such as Temporary Modular Shelters. Planning for Temporary Modular Shelters is a complex process that requires consideration of various aspects, including functionality, location, materials, health, safety, transportation, regulations, environmental sustainability, and socio-cultural factors. This study employs the Systematic Literature Review (SLR) methodology to evaluate previous research on Temporary Modular Shelter planning, with primary data sources from Scopus, Sinta, and Garuda. Primary data was gathered from surveys, observations, and literature reviews, while secondary data was used as supplementary material. The data selection process focused on studies relevant to the 2018-2024 timeframe. The analysis identifies key factors, common methodologies, and sustainability principles in modular shelter planning. The findings emphasize that sustainability, resource efficiency, and the use of eco-friendly materials are crucial. Additionally, community involvement and the integration of technology play important roles in enhancing the effectiveness and sustainability of shelters.
Analysis of Cost Budget Plans in Disaster Logistics Warehouse Planning of the Badan Penanggulangan Bencana Daerah (BPBD) Bantul Regency, D.I. Yogyakarta Alfinur Insaniyati Umi Sa'adah; Sely Novita Sari; Rizal Maulana
G-Tech: Jurnal Teknologi Terapan Vol 9 No 1 (2025): G-Tech, Vol. 9 No. 1 January 2025
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70609/gtech.v9i1.6033

Abstract

From the various roles of the Bantul Regency BPBD in managing disaster preparedness and response in the Bantul area, which is known to be prone to disasters, the construction of a disaster logistics warehouse is needed to support the implementation of disaster management. To ensure the effectiveness and efficiency of the construction of the warehouse, an analysis of the Cost Budget Plan (CBP) is needed. The purpose of this study is to analyze the costs needed to complete the construction of the Bantul Regency BPBD logistics warehouse. The types and sources of data used are secondary data in the form of floor plan drawings, cut drawings, and detailed drawings. The method carried out is by analyzing the price of the unit of work using the applicable units of goods and services. CBP is obtained from the product of the volume of work multiplied by the result of the unit price of work. CBP analysis on the Bantul BPBD Logistics Warehouse Planning was obtained of Rp 20,026,590,027. The results of this study help to ensure appropriate budget allocation, prevent cost overruns, and become the main guideline in project implementation to support effective disaster response by BPBD.
Crawler Crane Productivity Analysis on Erection Girder Work for Toll Road Construction Solo - Yogyakarta Astuti Umasugi; Sely Novita Sari; Rizal Maulana
G-Tech: Jurnal Teknologi Terapan Vol 9 No 1 (2025): G-Tech, Vol. 9 No. 1 January 2025
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70609/gtech.v9i1.6034

Abstract

The construction of the Solo–Yogyakarta Toll Road aims to enhance connectivity between Solo and Yogyakarta and reduce traffic congestion. This study examines the productivity of crawler cranes in girder erection work to provide recommendations for optimizing crane usage in similar projects and improving construction efficiency. A quantitative approach was used, analyzing technical parameters such as lifting capacity, load charts, and operational safety, in accordance with SNI 6910-2022 standards. The findings revealed that the IHI CCH2800 crawler crane, with a maximum capacity of 280 tons, successfully handled a total load of 44.61 tons using a lifting frame. With a Dynamic Amplification Factor (DAF) of 1.05, the crane achieved a safe lifting capacity of 46.84 tons. The optimal configuration included a boom length of 33.50 meters, a lifting radius of 13 meters, and a sling capacity of 182.72 tons, resulting in a maximum lift capacity of 82.3 tons. This study highlights the importance of accurate lifting radius calculations and load chart optimization to ensure productivity and operational safety. The findings offer practical recommendations for application in future large-scale infrastructure projects.
Flood Modeling of Telomoyo Watershed in Kebumen Using HEC-RAS for Mapping Flood Risk Zones Ridwan, Khalid S; Sari, Sely Novita; Hermawan, Anggi
G-Tech: Jurnal Teknologi Terapan Vol 9 No 2 (2025): G-Tech, Vol. 9 No. 2 April 2025
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70609/gtech.v9i2.6801

Abstract

Flooding is a frequent natural disaster in Indonesia, especially in areas with low topography and high rainfall. The Telomoyo watershed in Kebumen Regency, with an area of 553.22 km², faces a high risk of flooding even though its water flow is controlled by the Sempor Reservoir. Geographical conditions, topography and high rainfall in the upstream area often cause inundation in the downstream area. This study modeled the flood potential in the Telomoyo watershed using HEC-RAS software, based on rainfall data and a Digital Elevation Model (DEM). The methodology includes hydrological analysis to determine peak discharge using the Nakayasu Synthetic Unit Hydrograph (HSS) method and hydraulic analysis to map flood-prone areas. The results showed that the combination of rainfall and topographic data resulted in accurate mapping of flood-prone areas. The peak discharge of the 25-year return period reached 986.177 m³/second, with inundation up to a depth of more than 3 meters in certain areas. Integration of satellite rainfall data from NASA's Giovanni with 2D hydraulics modelling based on HEC-RAS, which produced flood risk maps for the Telomoyo watershed with a high level of accuracy that was previously under-explored. The outcome of this research for flood management in the Telomoyo watershed is the provision of a scientific basis for more effective mitigation strategies, such as strengthening drainage infrastructure, and risk zone-based spatial planning. This information can be used as a basis for more effective flood mitigation planning and risk management in the Telomoyo watershed area.
Planning Analysis of the Upper Structure of the Disaster Logistics Warehouse of BPBD Bantul Regency with SAP2000 Sulton, Adam; Sari, Sely Novita; Maulana, Rizal
G-Tech: Jurnal Teknologi Terapan Vol 9 No 2 (2025): G-Tech, Vol. 9 No. 2 April 2025
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70609/gtech.v9i2.6802

Abstract

Indonesia is a country that is very vulnerable to natural disasters, especially earthquakes, because of its position in the Pacific Ring of Fire region. Bantul Regency, Yogyakarta, is one of the earthquake-prone areas that requires disaster-resistant infrastructure, including disaster logistics warehouses as emergency logistics storage and distribution centers. This study aims to analyze the upper structure of the disaster logistics warehouse of BPBD Bantul Regency to be more optimal and earthquake-resistant using SAP2000 software. The secondary data used is technical data ranging from soil type, earthquake zone, dead load, live load, and earthquake load, which are analyzed according to SNI 1726:2019 and SNI 1729:2020 standards. The results showed that the steel profiles used were IWF 350x175x11x7 for the rafter, IWF 200x150x9x6 for front and rear regels, IWF 250x125x9x6 for side regels, and HB 300x300x18x10 for columns. It was found that the regel was unstable due to the failure to withstand lateral loads, but overall, the upper structure of the warehouse worked optimally according to the results of the check design and steel stress check.
Application of Genetic Algorithm Neural Network in Identifying Buildings in Landslide-Prone Areas Pratama, Bagus Gilang; Sari, Sely Novita; Prasojo, Joko
G-Tech: Jurnal Teknologi Terapan Vol 9 No 3 (2025): G-Tech, Vol. 9 No. 3 July 2025
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70609/g-tech.v9i3.7168

Abstract

Indonesia is a disaster-prone country, one of which is landslides, which often occur in hilly areas with high rainfall. The impact damages the environment and infrastructure, especially buildings. For effective mitigation, a risk identification system based on artificial intelligence technology is needed. This study applies Genetic Algorithm Neural Network (GANN) in identifying buildings in landslide-prone areas. GANN was chosen for its ability to optimize network weights globally through selection, crossover, and mutation mechanisms, thus avoiding suboptimal local solutions. The dataset consists of 169 data with 12 structural features of the building. The model was configured with genetic parameters such as the number of generations 500, population size of 50, mutation rate of 10%, and the Stochastic Universal Sampling selection method. To Evaluate the performance of model created from dataset, we employed accuracy, precision, recall, and F1-score. The results showed an accuracy of 81% and an average F1-score of 0.82, with the best performance in the "Unsafe" class (recall 0.84). Although it still needs improvement, GANN has proven to have the potential as a decision support tool in data-driven landslide risk mitigation.
Flood Modeling Analysis of the Cokroyasan Watershed in Bayan District, Purworejo Regency Using HEC-RAS Software Fajar, Muhammad Rizky; Sari, Sely Novita; Hermawan, Anggi
G-Tech: Jurnal Teknologi Terapan Vol 9 No 3 (2025): G-Tech, Vol. 9 No. 3 July 2025
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70609/g-tech.v9i3.7393

Abstract

Floods are a frequent natural disaster in Indonesia. Heavy rainfall and poor watershed management make the Cokroyasan River Basin (DAS), Bayan District, Purworejo Regency, especially susceptible. The purpose of this study is to analyze the flood inundation area and calculate the peak discharge in the Cokroyasan Watershed using satellite rainfall data and the Digital Elevation Model (DEM). The study calculates the highest water flow during floods using the Nakayasu Synthetic Unit Hydrograph (HSS) method and examines the water flow with HEC-RAS and ArcGIS to create maps showing areas that could flood. The results showed that, using the Log Pearson Type III distribution, the design rainfall for a 25-year return period with a flow coefficient of 0.288 was 117.6711 mm. The maximum flood discharge, as determined by the Nakayasu HSS, was 1684.028 m³/second. Hydraulic analysis was able to map the region of floods based on land cover, covering 16,200 km² in total. 4,961 km² were covered the low flood depth category (0–1 m), 3,175 km² the medium inundation (1–3 m), and 8,061 km² the high inundation (>3 m). The results of the simulation might lead to a more effective approach for managing and reducing the danger of flooding.
Co-Authors Afredo Tubur, Hasi Albani Musyafa, Albani Alfinur Insaniyati Umi Sa'adah Alwarizi, Fahrol Amir Machmud Amir Machmud, Amir Andary, Fauziah Andrea Sumarah Asih Andri Daeng Salimung Anggi Hermawan Ardian, Oggi Heical Ariza Tiara Ramadhanti Astuti Umasugi Avon Budiono Bagus Gilang Pratama, Bagus Gilang Bere, Gracensia Bismoko Rahadrian Suseno Cengiz, Korhan Chandra Wahyu Herbyanto Clara Anggreini Ines Benge Dandi Pramono Payungan Dandi Pranomo Darlahanus, David Dian Nurcahyani Dika, Resa Priya Do’o, Ricko Rivaldo Ruben Fahrul Nurfajri Mokoagow Fajar, Muhammad Rizky Fandanu Firdyan Syah Faturrahman Jahrun Trumpi Filipus Alfriyadi Junaidi Filipus Alfriyadi Junaidi Fitri Nugraheni Fitri Nugraheni Hadi Riswanto, Teguh Hafid, Anggun Abdul Ilham Mopio Ilham Mopio Ircham Iwan Tri Riyadi Yanto Iwan Tri Riyadi Yanto, Iwan Tri Riyadi Jesika Dekrita Uan Joko Prasojo Kartika, Erawati Kota, Reynaldus Sean Kristin Yunita Mahbubi, Khairul Mokoagow, Fahrul Nurfajri Muhammad Hanif Jufri Mustafa Mat Deris Mutiara Pasande Surugallang Nawawi, Ilham nico siliansyah Norhalina Senan Oggi Heical Ardian Oggi Heicqal Ardian Oni Yuliani Ozyurt, Basak Putri Jea, Maria Carvallo Putri, Silfia Dwi Rahmad Junaidi, Rahmad Rahmatullah Gafar kahar Ramadhani, Fauziah Ramadhani, Nanda ratih dwi indrajad ratih Ratna Kartikasari Rd. Rohmat Saedudin Ricko Rivaldo Ruben Do’o Ridayati Ridayati Ridwan, Khalid S Riswan Rizal Maulana Rizal Maulana Rizal Maulana, Rizal Rizky Tri Astuti Rizqi Prastowo Sa’adah, Alfinur Insaniyati Umi Sabila, Yusrina Nur Amalia Sabrina Putri Puspitasari Sarwidi Sarwidi, Sarwidi Setya Winarno, Setya sianturi, faldi daud suiyoso Sogar, Aris Umbu Soru Sulton, Adam Syach Reza Fachlevi Syamsul Arifin Tedy Kurniawan Topac, Tuna Triwuryanto triwuryanto Triwuryanto Triwuryanto Veronica Diana Anis Anggorowati wahyu anisa dwi bekti Wijanarko, Yulius Yobel, Felix Zulkahhar Ariga