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All Journal Teknika: Jurnal Sains dan Teknologi Briliant: Jurnal Riset dan Konseptual Jukung (Jurnal Teknik Lingkungan) Anterior Jurnal Media Ilmiah Teknik Lingkungan AMALIAH: JURNAL PENGABDIAN KEPADA MASYARAKAT Dedication : Jurnal Pengabdian Masyarakat JURNAL PENDIDIKAN MIPA Jurnal Hutan Tropika Jurnal Teknik Silitek Cenderabakti: Jurnal Pengabdian Kepada Masyarakat Jurnal Pengabdian kepada Masyarakat Dedication : Jurnal Pengabdian Masyarakat Jurnal Manusia dan Lingkungan Journal of Life Science and Technology Journal Serambi Engineering (JSE)
Rudy Yoga Lesmana
Universitas Muhammadiyah Palangkaraya
Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Public Health Social Sciences Other

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Analisis Sistem dan Infrastruktur Persampahan di Kabupaten Gunung Mas Provinsi Kalimantan Tengah Gusti Iqbal Tawaqal; Rudy Yoga Lesmana
Jurnal Serambi Engineering Vol. 9 No. 3 (2024): Juli 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The quality of waste is tending towards more difficult types of waste, due to changes in food handling techniques and consumer goods that use non-degradable packaging such as plastic. Existing waste management concepts are sometimes not suitable for implementation. The waste generation in Gunung Mas Regency is 17.71 tonnes/day with an estimated waste generation of 0.9 litres/person/day and a waste specific gravity of 0.15 tonnes/m3. In urban areas it is 6.65 tons/day and in rural areas it is 11.07 tons/day, with the waste composition being 80% organic and 20% inorganic. The total amount of waste produced is 2426 tons/year and the amount disposed of in landfills is 2190 tons/year. This amount represents 90.27% of the total generation. The amount of unmanaged waste is 236 tons/year or 9.73% of the total generation. Waste management services are only available in urban areas, while 62.5% of unmanaged waste is generated in rural areas. The high value of managed waste in landfills is due to the lack of a processing or reduction function. Infrastructures that function as efforts to reduce waste are TPS 3R, TPST and Waste Bank. The existence of this infrastructure is the responsibility of all parties as it is related to the environment.
Analysis of vehicle emissions due to traffic on the Tambun Bungai Street Palangkaraya Lesmana, Rudy Yoga; Akbar, Reza Zulfikar; Faradila, Amelia
Jurnal Teknika Vol 20, No 1 (2024): Available Online in June 2024
Publisher : Faculty of Engineering, Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/tjst.v20i1.22674

Abstract

Tambun Bungai street is located between Ahmad Yani and Diponegoro street. It has a significant level of congestion due to the presence of several schools, view place of worship and District Public Hospital. Motor vehicle activity produces exhaust gas emissions that cause air pollution resulting in a decrease in air quality. The purpose of this research to determine the magnitude of motor vehicle exhaust gas emissions in Tambun Bungai street and compare the results of the analysis of total vehicle emissions with permitted air quality standards. The methods are traffic counting survey and spot speed survey, then the analyze using an empirical calculation. Based on the results of the analysis it is known that the largest emissions of light vehicles occurring on Tambun Bungai street are CO of 1783,15 ppm and HC of 229,95 ppm at 07.45-08.00, PM of 7,14  and NOx of 29,68 pphm at 07.00-07.15. Then for the largest emissions of heavy vehicles occurred on Tambun Bungai street are CO of 0,63 ppm, HC of 0,28 ppm, PM of 257,80  and NOx of 82,71 pphm at 07.00-07.15. Overall the result of emissions total that compared to permitted quality standard shows that the results of the analysis of each type of pollutant exceeded the permissible air quality standards. These results can illustrate the amount of pollution that occurs and has exceeded the specified threshold so that the government can make policies that can be minimized it.
Analisis Daya Dukung Tanah Pondasi Tiang Pancang Berdasarkan Uji Sondir: Analysis of the Bearing Capacity of Piled Foundation Soil Based on Sondir Test Diharyo; Rudy Yoga Lesmana; Achmad Imam Santoso
Jurnal Teknik SILITEK Vol. 4 No. 02 (2024)
Publisher : Fakultas Teknik Universitas Pasifik Morotai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51135/jts.v4i02.173

Abstract

His research aims to get a clear picture of the bearing capacity of the soil as a basis for foundation calculations. The bearing capacity of the soil is the ability of the soil to withstand the load of the building without experiencing excessive settlement. Field testing is carried out using two main methods, namely the Boring Test and Standard Penetration Test (SPT) as well as laboratory tests to analyze the physical and mechanical properties of the soil. From the test results at a depth of 15 - 22 meters, it was found that the density of the hard soil was of a clay-silty to sandy type. The foundation used was a deep foundation (Deep Foundations), namely a pile foundation or (Bore Pile) with a size of 40 cm x 40 cm or Bore foundation. Pile to his size 50 cm.
Efektivitas Pengolahan Air Limbah Grey Water Menggunakan Metode Lahan Basah Buatan Dengan Aliran Vertical Subsurface Flow (LBB-AVSSF) Nevy Amirda Oktavia; Rudy Yoga Lesmana; Putro, Dhymas Sulistyono
BIOMARAS : Journal of Life Science and Technology Vol 2 No 1 (2024): BIOMARAS : Vol 2, No 1 Februari 2024
Publisher : Fakultas Ilmu dan Teknologi Hayati Universitas Teknologi Sumbawa

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Abstract

Domestic wastewater is wastewater originating from businesses and/or residential activities (real estate), restaurants, offices, commerce, apartments and dormitories. Based on its characteristics, there are 2 types of domestic wastewater, namely black water comes from toilets and is generally collected in septic tanks, while gray water comes from washing, bathing and cooking activities, which is generally discharged directly into drainage channels or public waters without undergoing prior processing. One alternative recommended to overcome this problem is the vertical sub-surface flow artificial wetland method. This research aims to determine the effectiveness of the vertical sub-surface flow artificial wetland method in treating gray water wastewater with apu wood plants (Pistia Stratoites) in reducing pollutant levels. Artificial wetlands are created using gravel and sand on a laboratory scale. Data analysis was carried out based on the results obtained from analysis of pH, BOD, COD and Ammonia parameters before and after processing. Detention times 3, 6, and 9 as treatment days. The main parameters are Biological Oxygen Demand (BOD), Chemical Oxygen Demand (COD), and ammonia. Supporting parameters pH and temperature. Artificial wetlands have proven to be very effective in treating gray water wastewater with apu wood plants (Pistia Stratoites) as a reducing medium. The research results showed that efficiency occurred at a detention time of 3 days by reducing BOD levels by 98.33%, COD by 98.42% and ammonia by 92.22%. The results of this research have met the requirements set by the Minister of Environment and Forestry Regulation No: P. 68/Menlhk/Setjen/Kum.1/8/2016 concerning Domestic Wastewater Quality Standards.
Investigasi Kualitas Tanah pada Pembangunan Kelapa Sawit PT. Tunas Harapan Baru: Soil Quality Investigation for Palm Oil Plantation Development at PT. Tunas Harapan Baru Diharyo, Diharyo; Santoso, Achmad Imam; Lesmana, Rudy Yoga
HUTAN TROPIKA Vol 19 No 2 (2024): Volume 19 Nomor 2 Tahun 2024
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v19i2.15854

Abstract

This study aims to evaluate the soil conditions of the land used for palm oil plantation development at PT. Tunas Harapan Baru. The evaluation was conducted by analyzing the physical and chemical properties of the soil, including texture, pH, organic matter content, and key nutrients. Data were obtained from laboratory tests on several soil samples from the location. The results showed that the soil conditions are suitable for palm oil plantation development, although some parameters require attention in sustainable land management. This article also discusses the environmental impact of land use for plantations on local soil conditions and provides recommendations for improving soil quality.
Analisis Kapasitas Infiltrasi Pada Variasi Tutupan Lahan Dengan Metode Horton di Kota Palangkaraya Tawakal, Gusti Iqbal; Lesmana, Rudy Yoga
BRILIANT: Jurnal Riset dan Konseptual Vol 7 No 3 (2022): Volume 7 Nomor 3, Agustus 2022
Publisher : Universitas Nahdlatul Ulama Blitar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (885.655 KB) | DOI: 10.28926/briliant.v7i3.994

Abstract

Air hujan, sebelum mencapai permukaan tanah, biasanya akan tertahan oleh vegetasi dan dapat mencapai permukaan tanah jika permukaannya tidak kedap air. Hujan yang jatuh sebagian meresap kedalam tanah dan melimpas menjadi aliran permukaan. Kondisi ini berdampak pada air hujan yang turun akan menghambat resapan air kedalam tanah yang menimbulkan genangan dibeberapa titik di kota Palangka Raya. Infiltrasi merupakan hal penting dalam siklus hidrologi khususnya pada proses pengalihragaman hujan menjadi aliran sungai. Dengan adanya infiltrasi optimal, maka limpasan permukaan akan terkendali. Penelitian ini bertujuan untuk mengetahui laju infiltrasi dengan Variasi Permukaan Tanah di Kota Palangka Raya. Metode yang digunakan adalah perhitungan kapasitas infiltrasi aktual dan metode Horton. Hasil Penelitian menunjukan titik IN01 memiliki kapasitas infiltrasi 0.06 cm/jam dan volume total infiltrasi adalah 2.44 cm/jam dan kelas infiltrasi nilai 2.44 cm/jam termasuk kelas sedang. Berdasarkan klasifikasi tingkat infiltrasi berpotensi aliran permukaan antara tinggi dan sedang. Pada titik IN02 memiliki kapasitas infiltrasi 1.94 cm/jam dan volume total infiltrasi 3.98 cm/jam dan termasuk kelas sedang, serta pada klasifikasi tingkat infiltrasi berpotensi aliran permukaan antara tinggi dan sedang. Pada titik IN03 memiliki kapasitas infiltrasi 0.07 cm/jam dan volume total infiltrasi 2.59 cm/jam dan termasuk kelas sedang pada klasifikasi tingkat infiltrasi, serta berpotensi aliran permukaan antara tinggi dan sedang. Tingginya kepadatan tanah mempengaruhi infiltrasi, kepadatan tanah ini terjadi akibat benturan oleh hujan ke permukaan tanah
Implementasi Teknologi Rocket Stove Untuk Pengelolaan Sampah di SD Al Itsiqoh Palangka Raya Lesmana, Rudy Yoga; Tawaqal, Gusti Iqbal
PRAXIS: Jurnal Pengabdian kepada Masyarakat Vol. 4 No. 2 (2025): PRAXIS Desember
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47776/fvshvs93

Abstract

Permasalahan limbah padat seperti daun dan ranting di SD Al Itsiqoh, Palangka Raya, selama ini ditangani melalui metode pembakaran terbuka (open burning) yang tidak efisien dan berpotensi mencemari kualitas udara lingkungan sekolah. Kegiatan Pengabdian kepada Masyarakat (PkM) ini bertujuan untuk mengimplementasikan teknologi tepat guna Rocket Stove sebagai solusi pembakaran sampah yang bersih dan efisien. Metode pelaksanaan kegiatan meliputi asesmen kondisi awal, sosialisasi, workshop pembuatan alat secara partisipatif, serta demonstrasi dan uji coba operasional. Berdasarkan hasil uji coba perbandingan kinerja pembakaran sampah sebanyak 5 kg, Rocket Stove menunjukkan efektivitas reduksi massa yang signifikan, mencapai rata-rata 98,7% dengan residu abu hanya sebesar 1,3% (0,07 kg). Capaian ini jauh lebih unggul dibandingkan metode pembakaran terbuka yang hanya mencapai efektivitas 81,3%. Selain itu, Rocket Stove terbukti lebih efisien dalam penggunaan bahan bakar pemicu dan menghasilkan emisi asap yang sangat minim. Kegiatan ini berhasil mentransfer pengetahuan teknologi kepada mitra, menyediakan solusi pengelolaan sampah yang ramah lingkungan, serta mendukung terciptanya lingkungan sekolah yang lebih sehat.
Co-Authors Achmad Imam Santoso Ahmad Ilham Sutrisman Akbar, Reza Zulfikar Ari Widya Permana Dayani, Fitri Dhymas Sulistyono Putro Dhymas Sulistyono Putro Diharyo Faradila, Amelia Gusti Iqbal Tawaqal Gusti Iqbal Tawaqal Gusti Iqbal Tawaqal Kamaliah Kamaliah Kamaliah, Kamaliah Muh Azhari Muh Azhari Nani Apriyani Nani Apriyani Nevy Amirda Oktavia Rahmi Ainun Nadiah Sari Marlina Sellin Falentino Siti Juhairiah Sri Muliani Agustina Tawakal, Gusti Iqbal Tawaqal, Gusti Iqbal