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All Journal Media Teknik Sipil Jurnal Teknik Pengairan: Journal of Water Resources Engineering Technomedia Journal Aptisi Transactions on Management Aptisi Transactions on Technopreneurship (ATT) Community Empowerment Journal of Education Research Journal of Infrastructure and Civil Engineering JURNAL PENELITIAN DAN KARYA ILMIAH LEMBAGA PENELITIAN UNIVERSITAS TRISAKTI SAINSTEK Jurnal Penelitian dan Karya Ilmiah Lembaga Penelitian Universitas Trisakti INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY Jurnal AKAL: Abdimas dan Kearifan Lokal Indonesian Journal of Construction Engineering and Sustainable Development International Journal on Livable Space Jurnal MENTARI: Manajemen, Pendidikan dan Teknologi Informasi Jurnal An-Najat: Jurnal Ilmu Farmasi dan Kesehatan International Transactions on Education Technology (ITEE) Blockchain Frontier Technology (BFRONT) International Transactions on Artificial Intelligence (ITALIC)
Wahyu Sejati
Universitas Trisakti
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Education on processing organic waste into compost and eco enzymes in Sawah Lama, Ciputat, South Tangerang Rini Setiati; Qurrotu Aini B.P.; Wahyu Sejati; Ridho Abdillah; M. Furqon HB; Patrick Frederick Palapa; Widia Yanti
Community Empowerment Vol 9 No 11 (2024)
Publisher : Universitas Muhammadiyah Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/ce.12324

Abstract

Household waste production, especially organic waste from yards and kitchens, often accumulates, causing disturbances to the surrounding environment. Organic waste can be processed in several ways, such as being processed into compost, eco-enzymes, fish feed pellets, and so on. One of the objectives of this community service program is to enhance community skills in processing yard and kitchen waste into various useful products. Organic waste from household kitchens, such as leftover vegetables and fruit peels, is processed into compost and eco-enzymes, thus reducing the waste burden on the environment. The conclusion obtained is that with the training on organic waste processing, community skills have improved and organic waste that is usually disposed of in the trash can be processed into various more beneficial products.
Pengelolaan Air Hujan Dengan Sumur Resapan dan Pemanenan Air Hujan di Universitas Trisakti Rahmadani, Ananda Rizki; Andajani, Sih; Hidayat, Dina P.A; Sejati, Wahyu
Journal of Infrastructure and Civil Engineering Vol. 5 No. 2 (2025)
Publisher : Program Studi Teknik Sipil Sekolah Tinggi Teknologi Pekanbaru

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35583/jice.v5i2.105

Abstract

Meningkatnya aktivitas perubahan penggunaan lahan di kawasan Universitas Trisakti menimbulkan permasalahan baru, di mana peningkatan jumlah area kedap air menyebabkan genangan saat terjadi hujan dengan intensitas tinggi. Untuk mengatasi permasalahan tersebut, dipilih solusi berupa pembangunan sistem ekodrainase dengan sumur resapan dan pemanenan air hujan pada gedung C Universitas Trisakti. Penelitian ini dilakukan untuk menganalisis penerapan teknologi ekodrainase sumur resapan dan pemanenan air hujan di gedung C Universitas Trisakti, dengan harapan dapat memberikan rekomendasi terkait pembangunan sistem ekodrainase yang tepat untuk gedung tersebut. Untuk sumur resapan, digunakan empat metode perhitungan, yaitu metode Sunjoto (1988), Litbang PU (1990), SNI 03-2453-2002, dan SNI 8456-2017. Hasil perhitungan dari keempat metode dibandingkan berdasarkan parameter diameter, kedalaman, debit, dan jumlah sumur resapan yang dibutuhkan. Sementara itu, untuk pemanenan air hujan, dilakukan perhitungan volume dan debit guna menentukan kapasitas tangki yang diperlukan. Berdasarkan hasil perhitungan, metode Sunjoto dipilih sebagai metode yang digunakan dengan radius sumur sebesar 0,7 meter, kedalaman rencana 1,5 meter, dan diperlukan sebanyak 31 sumur resapan berpori untuk menampung debit air hujan di gedung C Universitas Trisakti. Namun, pembangunan 31 sumur resapan tersebut sulit direalisasikan karena keterbatasan lahan yang tersedia. Oleh karena itu, perhitungan yang lebih memungkinkan adalah kombinasi empat sumur resapan dengan radius 0,7 meter dan kedalaman 1,5 meter di setiap sudut bangunan, sehingga dapat menambah cadangan air tanah sebesar 13% dari volume air hujan di atap bangunan, serta dilengkapi dengan tangki pemanenan air hujan berkapasitas 65 m³ atau berukuran 6,5 m × 5 m × 2 m.
ASSESSING THE SUITABILITY OF NATURE-BASED SOLUTIONS (NBS) FOR FLOOD RISK REDUCTION: A CASE STUDY OF THE SERAYU WATERSHED IN PURBALINGGA REGENCY, CENTRAL JAVA Pakungwati, Dinda Ayu; Sejati, Wahyu; Andayani, Sih; Kurniyaningrum, Endah; Aryadi, Eric Virgiawan; Zulfan, James; Beselly, Sebrian Mirdeklis; Ngom, M. B
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY VOLUME 8, NUMBER 2, OCTOBER 2025
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/urbanenvirotech.v8i2.23649

Abstract

The Serayu Watershed is one of the critical watersheds in Central Java, particularly in the upstream. Aim: This study aims to assess the suitability of nature-based solutions (NBS) in flood risk reduction in the Serayu Watershed. Methodology and results: The collected data included the Serayu Watershed boundary and spatial datasets, consisting of a Digital Elevation Model (DEM), infiltration area map, soil erosion map, land use map, and slope map. The authors applied a spatial analysis method using the Geographic Information System (GIS) to integrate historical flood data, population density, topography, slope, geology, soil type, land use, water catchment area, water absorption area, groundwater basin, and erosion rate. The study found that within 10 years (2014-2023), 54 villages were exposed to flooding with a total area of ​​6,453.3043 ha or 8.010% of the area of ​​Purbalingga Regency. The analysis of land use changes from 2017 to 2022 shows a significant decrease in the area of ​​plantation forests-by 225,477.67 ha, from 323,979.26 ha to 98,501.58 ha. Conclusion, significance, and impact study: This study examines the regional characteristics and flood patterns of the Upper Serayu River in Central Java, Indonesia. Drawing on spatial analysis and hydrological data, the findings identified five NBS recommended for implementation: river floodplain restoration river and stream renaturation, building-related interventions, bioretention areas, and urban farming. These strategies align with local geormorphological conditions and offer sustainable approaches to flood mitigation. This study contributes to regional policy-making and supports the development of flood risk management in the Upper Serayu Watershed.
PENERAPAN KONSEP ZERO DELTA RUNOFF DENGAN TEKNOLOGI EKODRAINASE PADA ARIA REMPOA TOWNHOUSE, TANGERANG SELATAN Andajani, Sih; Haryadi, Tania Diva; Hidayat, Dina P.A; Sejati, Wahyu; Kurniyaningrum, Endah
INDONESIAN JOURNAL OF CONSTRUCTION ENGINEERING AND SUSTAINABLE DEVELOPMENT (CESD) Vol 7 No 1 (2024): INDONESIAN JOURNAL OF CONSTRUCTION ENGINEERING AND SUSTAINABLE DEVELOPMENT (CESD)
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/cesd.v7i1.20299

Abstract

The increasing need for basic urban facilities and infrastructure, such as housing, can result in a reduction in green open land which can reduce the ability of water to infiltrate into the ground and increase surface runoff. Aria Rempoa Townhouse, a housing complex that is still in the development process, may have problems like these. Therefore, it is necessary to implement the zero delta runoff concept with ecodrainage technology such as retention pond and infiltration well. Research was carried out on the design flood at the outlet before the townhouse is built and after the townhouse is built if the zero delta runoff concept is applied with retention pond and infiltration wells. There are 3 scenarios, scenario 0 before the townhouse is built, scenario 1 after it is built without ecodrainage technology, scenario 2 after it is built with a retention pond, and scenario 3 after it is built with infiltration wells. The research results show that scenario 2 fulfills the concept of zero delta runoff with a pool area of 42 m2 with a depth 3.5 m and 2 outlet pipes with diameter 10 inches without doors discharge the design flood at the outlet of 0,281 m3/sec which is smaller than design flood at the outlet before the townhouse is built of 0.288 m3/second.
Analisis Perubahan Curah Hujan di Stasiun Halim DKI Jakarta Menggunakan Data Satelit CHIRPS dan CANESM5 Yanti, Suryani; Kurniyaningrum, Endah; Andajani, Sih; Paramitha, Dina; Sejati, Wahyu
Journal of Education Research Vol. 5 No. 4 (2024)
Publisher : Perkumpulan Pengelola Jurnal PAUD Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37985/jer.v5i4.1973

Abstract

Siklus hidrologi yang dipengaruhi oleh kondisi lingkungan pada suatu daerah aliran sungai akan berdampak pada perubahan dan pergeseran intensitas curah hujan serta pola musiman. Dinamika perubahan tersebut akan mempengaruhi daya dukung sumber daya air pada suatu DAS. DKI Jakarta mengalami beberapa perkembangan diantaranya pertumbuhan penduduk dan penggunaan lahan. Sehingga mengakibatkan daya dukung lingkungan semakin menurun. Akibat penurunan daya dukung mengakibatkan terjadinya pergeseran atau perubahan siklus hidrologi.   Penelitian ini dilakukan untuk menganalisis proyeksi curah hujan berdasarkan skenario perubahan iklim yang berdampak pada daya dukung sumber daya air pada  Daerah Aliran Sungai khususnya wilayah Provinsi DKI Jakarta. Skenario perubahan iklim yang digunakan adalah skenario Representative Concentration Pathways (RCP) 4.5 dan 8.5. Data curah hujan yang digunakan sebagai baseline (1994-2023) merupakan data hasil pengamatan dan data CHIRPS. Dalam memprediksi curah hujan 30th mendatang (2024-2073), digunakan data satelit Global Climate Models (GCM) yaitu CANESM5.
Pengembangan Model Spasial Kebutuhan Air Domestik pada DAS Cisadane Hulu (Batubeulah) Nisa, Tazkia Nabila; Hidayat, Dina P. A; Andajani, Sih; Kurniyaningrum, Endah; Sejati, Wahyu
SAINSTEK Vol. 13 No. 1 (2025)
Publisher : Sekolah Tinggi Teknologi Pekanbaru

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35583/js.v13i1.342

Abstract

The Upper Cisadane watershed is a strategic area, having an important role in meeting domestic water needs along with population growth and regional development. This study aims to provide an overview of the distribution of domestic water demand by calculating based on district boundaries, watersheds, and built-up areas. The analysis includes the fulfillment of domestic water needs and mainstay discharge, with projections using the arithmetic method. The domestic water demand in each scenario (Scenario I: 3.875 m3/s, Scenario II: 2.755 m3/s, Scenario III: 0.624 m3/s) is presented. The results showed that water availability in the Batubeulah watershed is still surplus, with a minimum Q90% of 14.4 m3/s and a minimum Q95% of 7.6 m3/s, still sufficient to meet the total domestic water demand in all scenarios. Although the water balance between the mainstay discharge and domestic water demand is currently in the safe category. For the results of the projection analysis of scenarios I and II, it shows an increase every year, due to the specifications of the area used.
Co-Authors Adiasih, Ning Agung Rizky Agung Sediyono Ahmad Zamroni Ghozali Amirsyah Tambunan Andajani, Sih Ankur Singh Bist Ardilla Jefri Karista Arief Fadhilah Arief Fadhilah Avelina Nathania Bennediktus Suhardjo Pusoko Azhar Adi Darmawan Bambang Endro Yuwono Beselly Putra, Sebrian Mirdeklis Budiarti, Ratih Chairil Saleh Christina Sari Daisman Purnomo Bayyu Aji Dandy Achmad Yani Darmawan Pontan Dewi Rintawati Dhanu Setyo Bekti Dina Paramitha Anggraeni Hidayat Dina Paramitha Anggraeni Hidayat Dinda Ayu Pakungwati Elfrida Ratnawati Endah Kurniyaningrum Eric Virgiawan Aryadi Eska Dwi Prajayanti Fahmy Hermawan Fathya Khansa Fredrik, Joan Arnold Giraldi Fardiaz Kuswanda Grace Kurniawati Santoso Haryadi, Tania Diva Hegi Daniel Mulya Hidayat, Dina P. A Hidayat, Dina P.A Hira Sattar Inavonna Inavonna Indartoyo, Indartoyo Joan Arnold Fredrik Joan Arnold Fredrik Julianingsih, Dwi Kamila, Pasya Nur Khansa, Fathya Lili Kusumawati Lourina Evanale Orfa M. Andreanov Amril M. Furqon HB Maharani Alichya Maulana, Aryo Setyo Mhd Fadil Arbi Muhammad Zaki Mumpuni Mutiara Difa Faluty Nathanael, Estha Nawang Wulan Ngom, M. B Nisa, Tazkia Nabila Nugroho, Rayhan Wahyu Nur Wahid, Wahyu Nuzul Rizky Zayat Rahawarin Omar Sy Pakungwati, Dinda Ayu Paramitha AH, Dina Paramitha, Dina Parwadi Moengin Patrick Frederick Palapa Pitojo Tri Juwono Prasetyo, Ryan Faza Putri Aida Azizah Rahmah Qurrotu Aini B.P. Rahmadani, Ananda Rizki Ridho Abdillah Rini Setiati Runi Asmaranto Rustandi, Rafa Nada Sari, Feby Kartika satria perdana, ananda Sih Andajani Sih Andayani Sih Andayani, Sih Sri Wulandari Suryari Purnama Teddy W Sudinda Teddy W Sudinda Tjhwa Endang Djuana Vivi Melinda Widhy Setyowati Widia Yanti Yanti, Suryani Yureana Wijayanti Zulfan, James