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Ersa, Nanda Savira
Universitas Malikussaleh
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Optimization of low-density polyethylene (LDPE) in eco-paving block synthesis: A pathway toward community empowerment Fasdarsyah Fasdarsyah; Herman Fithra; Nura Usrina; Nanda Savira Ersa; Zara Yunizar; Muhammad Fauzan; Zulnazri; Febi Anriani; Maulida Yani Siregar
Buletin Pengabdian Bulletin of Community Services Vol. 6 No. 1 (2026): Bull. Community. Serv.
Publisher : LPPM Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/bulpen.v6i1.64

Abstract

Background and Aim: Blang Asan Village has economic potential in the brick production sector; however, production activities are still conventional and have not integrated innovations in construction material technology. In addition, unmanaged Low-Density Polyethylene (LDPE) plastic waste contributes to environmental problems. This community service activity aimed to implement a circular economy concept by transforming LDPE plastic waste into environmentally friendly construction materials in the form of eco-paving blocks. Methods: The program was implemented using an experimental and participatory approach involving local partners through socialization, technical training, and construction implementation assistance. Laboratory testing was conducted on six specimen variations molded using 3 kg hexagonal molds. The mixtures consisted of LDPE plastic waste, fine aggregate, coarse aggregate, cement, and varying amounts of used oil. Compressive strength tests were performed to determine the optimal composition. Results: The compressive strength test showed that the best composition was obtained with 15% LDPE without an oil mixture, producing a compressive strength value of 24.2 MPa. Based on SNI 03-0691-1996 standards, the product met the B Quality criteria, making it suitable for parking area applications. The program successfully transferred technology to local brick craftsmen, enabling them to independently produce eco-friendly construction materials. Conclusion: The application of LDPE-based eco-paving blocks effectively reduced plastic waste while creating value-added construction products with economic potential. This program also supported the development of sustainable green economy practices in Blang Asan Village.
Analyzing the Impact of Side Friction on Vehicle Operating Costs and Urban Traffic Performance Muthmainnah Muthmainnah; Nura Usrina; Nanda Savira Ersa; Gofirli Saumah
Journal of International Conference Proceedings Vol 8, No 2 (2025): 2025 ICPM Thailand Proceeding
Publisher : AIBPM Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32535/jicp.v8i2.4134

Abstract

On-street parking activities along Merdeka Barat Street in Lhokseumawe City have disrupted traffic flow. This study aims to determine the magnitude of Vehicle Operating Costs (VOC) resulting from on-street parking activities and to compare the VOC with parking fees (retributions). The study was conducted over a 7-day period, from 07:00 to 19:00 WIB. Traffic and parking characteristics were analyzed using the 2023 PKJI method, the VOC analysis employed the 2005 method from the Department of Public Works, and parking retribution was calculated based on Lhokseumawe City Qanun No. 1 of 2024. The analysis revealed that the highest average traffic volume occurred on Tuesday with 1,328 PCU/hour and a Level of Service (LOS) of D. The highest volume of light vehicle parking occurred on Wednesday, totaling 469 vehicles. The average vehicle speeds on Merdeka Barat Street were 51.92 km/h for motorcycles, 29.02 km/h for light vehicles, and 19.26 km/h for heavy vehicles. The total Vehicle Operating Cost (VOC) on Merdeka Barat Street amounted to Rp 21,305,163.94, while the total parking retribution reached Rp 6,164,000. The comparison between the VOC and parking retribution over the 12-hour observation period showed a significant difference of Rp 15,141,239.31.
Penerapan Pemurnian Air Darurat Pasca Banjir Bandang dengan Pelatihan Masyarakat untuk Peningkatan Ketahanan Lokal di Aceh, Indonesia Nanda Savira Ersa; Teuku Yusrizal; Heri Gustami; Ajmir Akmal; Najmuddin Najmuddin; Wenny Herdianti; Wisnu Prayogo
Jurnal Kreativitas Pengabdian Kepada Masyarakat (PKM) Vol 9, No 4 (2026): Volume 9 Nomor 4 (2026)
Publisher : Universitas Malahayati Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33024/jkpm.v9i4.25352

Abstract

ABSTRAK Banjir bandang di Aceh sering merusak infrastruktur air minum sehingga masyarakat terdampak kehilangan akses terhadap air yang aman. Pemulihan cepat layanan air bersih yang disertai peningkatan kapasitas operasional masyarakat menjadi krusial untuk mencegah dampak kesehatan lanjutan. Artikel ini bertujuan menyajikan model terintegrasi antara penerapan teknologi pemurnian air darurat dan pelatihan teknis berbasis masyarakat pada konteks pascabanjir bandang di Aceh, Indonesia. Program dilaksanakan melalui pendekatan partisipatif dan bertahap yang meliputi asesmen kebutuhan cepat, commissioning unit pemurnian air bergerak tipe skid-mounted, pelatihan operator, serta pemantauan rutin. Hasil pengujian kualitas air menunjukkan penurunan parameter fisik-kimia dari air baku menuju air hasil olahan hingga air minum, yang mengindikasikan peningkatan kualitas air secara konsisten selama periode operasional, dengan tren stabilitas parameter yang menunjukkan efektivitas sistem dalam berbagai kondisi kualitas air baku lapangan yang berfluktuasi. Selain itu, evaluasi kepuasan masyarakat menunjukkan mayoritas responden menyatakan puas terhadap aspek layanan, kinerja sistem, serta dampak program terhadap kesehatan dan kebutuhan dasar air, dengan tingkat kepuasan yang tinggi pada indikator aksesibilitas, keandalan sistem, dan kemudahan operasional di tingkat pengguna lokal. Unit yang diterapkan mampu memulihkan akses air yang lebih aman bagi masyarakat terdampak serta menjaga stabilitas operasional dalam kondisi lapangan yang fluktuatif. Selain itu, pelatihan meningkatkan kompetensi operator lokal dan memperkuat praktik penanganan air yang aman di tingkat rumah tangga. Model integrasi antara teknologi pemurnian non-kimia dan pemberdayaan masyarakat ini menunjukkan pendekatan yang praktis dan replikatif untuk penyediaan air minum darurat pascabanjir, dengan menekankan pengendalian risiko rekontaminasi dan keberlanjutan operasional berbasis komunitas. Kata Kunci: Banjir Bandang, Pemurnian Air Darurat, Pelatihan Masyarakat, Air Minum Aman, Respons Bencana.  ABSTRACT Flash floods in Aceh frequently damage drinking water infrastructure, resulting in the loss of access to safe water for affected communities. Rapid restoration of clean water services, combined with strengthening community operational capacity, is essential to prevent further public health risks. This article aims to present an integrated model that combines the deployment of emergency water treatment technology with community-based technical training in a post-flash flood context in Aceh, Indonesia. The program was implemented through a participatory and phased approach, including rapid needs assessment, commissioning of a skid-mounted mobile water treatment unit, operator training, and routine monitoring. Water quality assessment results indicate a consistent reduction in physico-chemical parameters from raw water to treated water and final drinking water, demonstrating stable performance of the system under fluctuating field conditions. In addition, community satisfaction evaluation shows that most respondents expressed high satisfaction with service delivery, system performance, and program impact on health and basic water needs, particularly in terms of accessibility, system reliability, and operational ease at the local user level. The deployed unit successfully restored access to safer water for affected communities while maintaining operational stability under variable field conditions. Furthermore, the training program improved local operator competence and strengthened safe water handling practices at the household level. This integrated approach, combining non-chemical water treatment technology and community empowerment, provides a practical and replicable model for post-flood emergency drinking water supply, emphasizing recontamination risk control and community-based operational sustainability. Keywords: Flash Flood, Emergency Water Purification, Community Training, Safe Drinking Water, Disaster Response.
Pemanfaatan Arang Tempurung Kelapa Sebagai Substitusi Sebagian Aspal Pada Lapisan Asphalt Concrete-Binder Course (AC-BC) Wesli Wesli; Ifsan Yusuf; Lis Ayu Widari; Nanda Savira Ersa; Said Jalalul Akbar
Teras Jurnal : Jurnal Teknik Sipil Vol. 15 No. 2 (2025): Teras Jurnal (September)
Publisher : UNIVERSITAS MALIKUSSALEH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/tj.v15i2.1281

Abstract

Abstrak   Tempurung kelapa merupakan limbah padat yang mudah ditemukan tetapi belum termanfaatkan dengan baik. Limbah tempurung kelapa hasil pembakaran susah untuk terurai sehingga akan mencemari lingkungan. Tempurung kelapa memiliki senyawa karbon yang mempunyai kemiripan dengan dengan karbon aspal yang aktif ketika dipanaskan dengan persentase kemiripan sebesar 91% dengan. Karbon adalah senyawa utama penyusun aspal berfungsi sebagai pengikat antar partikel yang beragam. Pemanfaatan senyawa karbon tempurung kelapa diharapkan dapat mengurangi limbah padat dan meningkatkan mutu serta kualitas aspal pada lapisan Asphalt Concrete-Binder Course (AC-BC). Tujuan penelitian ini untuk mengetahui variasi Arang Tempurung Kelapa (ATK) yang dapat dimanfaatkan untuk memenuhi parameter marshall pada lapisan Asphalt Concrete-Binder Course (AC-BC). Metode penelitian adalah metode eksperimental dengan metode deduktif. Hasil penelitian variasi ATK sebesar 5%, 10% dan 15% dengan benda uji setiap variasi sebanyak 3 sampel dan total benda uji variasi Arang Tempurung Kelapa (ATK) adalah 9 benda uji diperoleh hasil pengujian parameter marshall dengan seluruh variasi benda uji dapat dimanfaatkan pada campuran perkerasan jalan dan telah memenuhi seluruh Spesifikasi Umum Bina Marga 2018 Revisi 2.   Kata kunci: Arang Tempurung Kelapa, Laston AC-BC, Parameter Marshall, Substitusi Sebagian Aspal.   Abstract   Coconut shell is a solid waste that is easy to find but has not been utilized properly. Coconut shell waste from burning is difficult to decompose so it will pollute the environment. Coconut shell has a carbon compound that is similar to asphalt carbon which is active when heated with a similarity percentage of 91% with. Carbon is the main compound that makes up asphalt and functions as a binder between various particles. The utilization of coconut shell carbon compounds is expected to reduce solid waste and improve the quality of asphalt in the Asphalt Concrete-Binder Course (AC-BC) layer. The purpose of this study was to determine the variation of Coconut Shell Charcoal (ATK) that can be utilized to meet the Marshall parameters in the Asphalt Concrete-Binder Course (AC-BC) layer. The research method is an experimental method with a deductive method. The results of the ATK variation research of 5%, 10% and 15% with 3 samples of each variation test object and the total test object of the Coconut Shell Charcoal (ATK) variation is 9 test objects. The results of the Marshall parameter test with all variations of test objects can be used in road pavement mixtures and have met all of the 2018 General Bina Marga Specifications Revision 2.   Keywords: Coconut Shell Charcoal, Laston AC-BC, Marshall Parameters, Partial Asphalt Substitution
Flood Inundation Mapping in Medan Maimun, Medan City Using HEC-RAS 2D and the Nakayasu Synthetic Unit Hydrograph Sarra Rahmadani; Dewi Fitria Marlisa; Rumilla Harahap; Siti Zulfa Yuzni; Nanda Savira Ersa; Cut Meuthia Rani; Al Fatahillah; Muh. Ilham Anggamulia; Yusuf Aulia Lubis; Anni Zahara Putri; Wisnu Prayogo
International Journal of Hydrological and Environmental for Sustainability Vol. 5 No. 2 (2026): International Journal of Hydrological and Environmental for Sustainability
Publisher : CV FOUNDAE

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58524/ijhes.v5i2.1328

Abstract

Flood inundation mapping is a critical tool for urban flood risk assessment in tropical cities. This study investigates flood inundation extent in Medan Maimun Sub-district, Medan City, one of the most flood-prone areas in North Sumatra, Indonesia, where flood depths of approximately 3 meters were reported in February 2022 and December 2023. The study aims to: (1) determine design rainfall through frequency analysis and calculate design flood discharge for return periods of 2, 5, 10, 25, 50, and 100 years using the Nakayasu Synthetic Unit Hydrograph (SUH Nakayasu) method; (2) simulate flood routing using two-dimensional hydraulic modeling; and (3) map the resulting flood inundation extent for each return period. Rainfall frequency analysis used annual maximum rainfall data from two stations for the period 2014–2023, with the Log Pearson III method selected based on Chi-Square goodness-of-fit testing. Design flood discharges ranged from 383.403 m³/s at the 2-year return period to 555.149 m³/s at the 100-year return period. Flood routing and inundation mapping were performed using HEC-RAS version 5.0.7 integrated with RAS Mapper. Total inundation area increased from 110.982 ha at the 2-year return period to 126.581 ha at the 100-year return period, covering approximately 41.6% of the sub-district area at the 100-year return period. The model was not formally calibrated or validated against observed flood data; results should be interpreted as indicative of relative flood risk patterns rather than precise predictions. The flood inundation maps produced provide a useful scientific basis for flood mitigation planning in Medan city, Indonesia.
Co-Authors Ajmir Akmal Al Fatahillah Anak Agung Istri Sri Wiadnyani Andriani, Dela Anni Zahara Putri Arfiandi, Joni Arif H., Nanda Nan Azra, Dio Syahlung Budi, Rama Cut Meuthia Rani Dela Andriani Dewi Fitria Marlisa dian febrianti Emi Maulani Fadhliani Fadhliani, Fadhliani Farizal, Teuku Fasdarsyah Fasdarsyah Fasdarsyah Fathul Mahdariza Febi Anriani Fran Cahya Gofirli Saumah Harahap, Rumilla Hasan, Phadlin Hasbi As Siddiq Sirait Hassan, Phadlin Helmy, Iqbal Adinata Setia Helmy, Wesli Heri Gustami Herman Fithra Hidayat, Adrian Adi Husaini, Muhammad Zakki Ifsan Yusuf Juliansyah Harahap, Juliansyah Khairi, Alfin Larasati Putri, Ditya Lis Ayu widari Lis Ayu Widari, Lis Ayu M. Faisi Ikhwali Mahmudy, Ash Shiddiq Maizuar Maizuar Maulana Ikhsan Maulana, Rahmatul Maulida Yani Siregar Meylis Safriani Muh. Ilham Anggamulia Muhammad Fauzan Muhammad Sayuti Mukhlis Mukhlis Muliadita, Tiara Sekar MUTHMAINNAH Muthmainnah Muthmainnah Muthmainnah Muthmainnah Najmuddin Najmuddin Novianti, Yenny Nura Usrina Nurrahim, Rahmi Palaguna, Adhan Prasetia, Gigih Prayogo, Wisnu Putra, Hafis Pratama Putri Putri, Putri Rachmad Ardhianto Ridwan Adha Rishaq, Alief Muhammad Ritchie, Niken Said Jalalul Akbar Sarra Rahmadani Siti Zulfa Yuzni sofyan sofyan Syarifah Asria Nanda Teuku Ilhami Surya Akbar Teuku Mudi Hafli Teuku Muhammad Ashari Teuku Yusrizal Wenny Herdianti Wesli Wesli Wesli Wesli Wisnu Prayogo Wisnu Prayogo WMS, Hendra Yulia Prestika Yusuf Aulia Lubis Zakia Zakia Zara Yunizar Zulnazri