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All Journal Bionatura Jurnal Rekayasa Mesin BERITA BIOLOGI JOURNAL OF CIVIL ENGINEERING, BUILDING AND TRANSPORTATION METHOMIKA: Jurnal Manajemen Informatika & Komputerisasi Akuntansi Martabe : Jurnal Pengabdian Kepada Masyarakat SULUH: Jurnal Abdimas Jurnal Kehutanan Papuasia (Journal of Papuasia Forestry) Abdimas: Jurnal Pengabdian Masyarakat Universitas Merdeka Malang Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa Dan Inovasi Budapest International Research and Critics Institute-Journal (BIRCI-Journal): Humanities and Social Sciences Journal of Social Research Jurnal ELIPS (Ekonomi, Lingkungan, Infrastruktur, Pengembangan Wilayah, dan Sosial Budaya) Jurnal Riset Rumpun Ilmu Teknik (JURRITEK) Jurnal Indonesia Sosial Teknologi Jurnal Portal Sipil Jurnal Median Arsitektur dan Planologi Lentera: Multidisciplinary Studies Jurnal Global Ilmiah Jurnal Inovasi Global Globe: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipil Lentera: Multidisciplinary Studies Jurnal Bahan Alam Terbarukan
Manalu, Janviter
Universitas Cenderawasih
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Mechanical Engineering Medicine & Pharmacology Public Health Social Sciences Transportation Other

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Strategi Penanganan Risiko Bencana Abrasi di Kawasan Pesisir Pantai Holtekamp Kota Jayapura Heri Purnomo; Janviter Manalu; Johnson Siallagan; Auldry F. Walukow; Maklon Warpur
JURAL RISET RUMPUN ILMU TEKNIK Vol. 4 No. 3 (2025): Desember : Jurnal Riset Rumpun Ilmu Teknik
Publisher : Pusat riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurritek.v4i3.6294

Abstract

Holtekamp Beach is a coastal area in Jayapura City that is very prone to abrasion due to sea waves because it is located directly opposite the Pacific Ocean. Abrasion and environmental damage on the coast of Holtekamp Beach are influenced by several interconnected factors that can have an impact on environmental problems. The research aims to analyze the impact of abrasion on the Holtekamp coastal area using survey and interview methods. Furthermore, data analysis is carried out by utilizing SWOT Analysis. This research was conducted from May to June 2025. The results showed that there are 4 (four) priority strategies that can be used as a basis for developing a strategy for Abrasion Disaster Risk Management Strategy in the Holtekamp Coastal Area of Jayapura City, namely; a) Increasing cooperation & coordination between stakeholders, namely the community and local government in achieving abrasion disaster management programs in the Holtekamp Coastal Area of Jayapura City; b) Optimizing supervision of development development/tourist lodges in the coastal area of Holtekamp Beach; c) Community participation is needed to maintain infrastructure that has been built and increase their awareness of environmental issues.d) Construction of wave breakers that function to reduce waves.
Ketangguhan Wilayah Distrik Sorong Timur terhadap Bencana Banjir Suharyadi Suharyadi; Janviter Manalu; Auldry F. Walukow; Johnson Siallagan; Maklon Warpur
JURAL RISET RUMPUN ILMU TEKNIK Vol. 4 No. 3 (2025): Desember : Jurnal Riset Rumpun Ilmu Teknik
Publisher : Pusat riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurritek.v4i3.6360

Abstract

Floods are one of the most common natural disasters and have a significant impact on the social, economic, and environmental aspects of society. This is particularly evident in the community of East Sorong District. East Sorong District is one of the areas frequently affected by floods, and this inevitably leads to numerous risks and consequences. There are several causes of flooding in the Sorong Timur District, including extreme rainfall, inadequate drainage systems due to trash blockages, uncontrolled land use changes resulting in overpopulation, and the loss of forest areas or green spaces that could function as water absorption zones. Additionally, the lack of flood control systems and weak oversight of development in flood-prone areas can exacerbate flood disaster risks. This study aims to analyze and measure the resilience of the Sorong Timur District in facing flood disasters through an evaluation approach focusing on infrastructure, service facilities, socio-economic factors, community capacity and preparedness, and institutional aspects. It was concluded that the infrastructure variable is still moderate, while the socio-economic variable, basic capacity, and community preparedness, as well as institutional capacity, are still low. Meanwhile, service facilities are also low. Overall, it can be concluded that the resilience of the Sorong Timur district in facing hydrometeorological disasters is weak.
KAJIAN KETERSEDIAAN DAN KEBUTUHAN LAHAN TEMPAT PEMAKAMAN UMUM DI DISTRIK SARMI, KABUPATEN SARMI Ronaldo Ruwayari, Daniel; Manalu, Janviter; Mujiati
Jurnal ELIPS (Ekonomi, Lingkungan, Infrastruktur, Pengembangan Wilayah, dan Sosial Budaya) Vol 8 No 1 (2025): Februari 2025
Publisher : Magister Perencanaan Wilayah dan Kota Universitas Cenderawasih

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Abstract

The availability and need for land for Public Cemeteries (TPU) is becoming an i ncreasingly urgent issue,especially in areas experiencing population growth such as Sarmi District, Sarmi Regency. This study aims toevaluate the current availability of TPU land, plan land use patterns in accordance with the Regional SpatialPlan (RTRW), and analyze local government involvement in TPU management. The research approach used isdescriptive quantitative by utilizing primary and secondary data. Data collection techniques included fieldobservations, interviews and analysis of policy documents. Data analysis was conducted using the GeographicInformation System (GIS) method to identify alternative locations for new cemeteries and the geometricformula to project land requirements. The results show that TPU Mararena still has a land capacity of 1,434m², while TPU Sarmi Kota has exhausted its capacity with a total area of 14,051 m². Projections of landrequirements show the need for a new location with an area of around 10,000 m² to meet the needs of thecemetery in the long term. The new site needs to be designed based on spatial criteria, such as accessibility,integration of green spaces, and sustainability of management. This research emphasizes the importance ofcross-sectoral coordination between local governments, communities and customary institutions to createmore effective and environmentally friendly TPU management. New TPUs that support ecological, social, andaesthetic functions can be a sustainable solution to overcome the limitations of cemetery land in the future.
STRATEGI PENGENDALIAN BANJIR KOTA MERAUKE PROVINSI PAPUA SELATAN Gunawan Purba, Hisar; Mujiati; Manalu, Janviter
Jurnal ELIPS (Ekonomi, Lingkungan, Infrastruktur, Pengembangan Wilayah, dan Sosial Budaya) Vol 8 No 1 (2025): Februari 2025
Publisher : Magister Perencanaan Wilayah dan Kota Universitas Cenderawasih

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Abstract

This research aims to examine the Flood Control Strategy of Merauke City with the approach of existing drainageconditions, vulnerability testing and spatial planning policies of Merauke City. The background of the research departsfrom the increasing frequency of extreme rainfall and the threat of tidal flooding due to climate change and thecharacteristics of coastal geomorphology that trigger higher flood risks. This research uses descriptive and quantitativeapproaches. Data sources were obtained from primary data which were the results of interviews and fieldobservations while secondary data were obtained from relevant agencies. The results showed that the flood drainagechannel was not optimal, the vulnerability indicator of Merauke city was 2.2 on a scale of 4 with a moderate category,and the impact of changes in the RDTR of Merauke city in 2023. The height of flood water in Merauke city is still low(average 0.5 - 1m) but the flood area is increasing, especially in areas with high population density and low areas dueto land changes and residential development in infiltration / low areas. Flooding in the city of Merauke is due to highrainfall and overflow of water from the drainage as a result of siltation in the drainage and damage to severalfloodgates. The strategy to control flooding in Merauke city is by optimizing flood drainage channels and buildingretention ponds, especially in coastal, densely populated and low-lying areas, as well as by spatial planning for theprotection of infiltration zones and water boundaries in changing land functions and increasing public awareness inmaintaining the cleanliness of drainage channels
Analisis Multi-Kriteria dengan Pendekatan Analytical Hierarchy Process untuk Strategi Mitigasi dan Adaptasi Bencana Banjir di Distrik Nabire Kabupaten Nabire Husain, Husain; Johnson Siallagan; Janviter Manalu; Auldry F. Walukow; Basa T. Rumahorbo
METHOMIKA: Jurnal Manajemen Informatika & Komputerisasi Akuntansi Vol. 9 No. 2 (2025): METHOMIKA: Jurnal Manajemen Informatika & Komputersisasi Akuntansi
Publisher : Universitas Methodist Indonesia

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Abstract

Nabire Regency, Central Papua Province, has a high vulnerability to flooding due to significant rainfall intensity with type 1 Local Seasonal Zone, which only has one season throughout the year, namely the Year-Round Rainfall (HST) type, with an average rainfall of more than 300 mm per month, ranging from 344 mm to 522 mm per month. Risk analysis was conducted using the Analytical Hierarchy Process (AHP) method to determine the priority of factors causing flooding, including hydrological aspects, land use, infrastructure, and socio-economic impacts in a systematic manner. The results of this study indicate that the analysis of public perception of flooding disasters was conducted by modeling data using a Likert scale, which was processed computationally to generate patterns of public perception. The Analytical Hierarchy Process (AHP) method was used to determine the priority of data-based mitigation strategies. The results confirm that BPBD plays a dominant role in flood risk management through the integration of adaptive and sustainable environmental information systems.
Management of fishery waste into liquid organic fertilizer in Hamadi Jayapura Janviter Manalu; Kristina Haryati; Khristhoper Aris Arianto Manalu
Abdimas: Jurnal Pengabdian Masyarakat Universitas Merdeka Malang Vol. 9 No. 4 (2024): November 2024
Publisher : University of Merdeka Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26905/abdimas.v9i4.13862

Abstract

Fishery waste is a problem that is very disturbing to the community because it causes strong odors, dirty views, and reduces water quality. Apart from having a negative impact, fishery waste still contains components needed for plant growth, such as nitrogen (N), phosphorus (P), and potassium (K). Therefore, it is essential to conduct community service activities for POKBAKER that involve the conversion of fishery waste into liquid organic fertilizer (POC). The aim of carrying out service activities is to provide understanding to participants through lectures and practical activities in making fertilizer from fisheries. The implementation methods expressed are three, namely pre-preparation, socialization activities (pre-test, lecture, post-test), and practical activities. The materials used in practical activities are fishery waste (gills and offal), EM4, molasses, and rice washing water. The results show that the percentage of answers to the six pre-test questions given ranges from 53-100 percent, while the percentage of the eight post-test questions given ranges from 93-100 percent. So, the conclusion is that this activity can increase the knowledge and understanding of the Fishery Waste Processing Group (POKBAPER) from 53 percent to 90 percent. Participants have the ability to plant liquid organic fertilizer from fishery waste.
Analisis Sifat Kandungan Kimia Dan Penggunaan Material Lokal Kinang Jingkion Sebagai Agregat Kasar Terhadap Karakteristik Campuran Laston (AC) WC Di Kabupaten Yalimo Herman Ferdinand Putera Safanpo; Bahtiar Bahtiar; Yohanes B. J. Rusmanta; Harmonis Rante; Apolo Safanpo; Janviter Manalu
Jurnal Indonesia Sosial Teknologi Vol. 5 No. 4 (2024): Jurnal Indonesia Sosial Teknologi
Publisher : Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59141/jist.v5i4.930

Abstract

This study aims to analyze the nature of chemical content, analyze abrasion value and optimum asphalt content using local Kinang Jingkion as road pavement material. In this study, XRF and XRD testing methods were used to determine the chemical content of Kinang Jingkion local material, then testing the characteristics of rough aggregate to determine the abrasion value, testing fine aggregate characteristics, and testing asphalt pen 60/70 and marshall test to determine the optimum asphalt content (KAO). The tests obtained the results of comparative data analysis between laboratory tests and literature standards that meet the eligibility requirements. The results showed that: First, the results of XRF and XRD analysis on Wilihingke samples, 0.15 mm granules, 2.36 mm granules, and Kinang Holuwon found that all chemical elements contained in the four samples were solid metal inorganic chemical elements. The results of this analysis prove that the four samples, which are fine aggregates and coarse aggregates, do not contain organic substances. Where the results of this analysis are by the requirements of aggregates which are one of the components in the concrete mixture, where the aggregates used must meet certain conditions, one of which must not contain excess organic matter because it can undergo decay by bacteria using dissolved oxygen; Second, from the test results obtained, the aggregate wear value (abrasion) was 32.69%; Third, based on the test results, the value of the Marshall parameter with Optimum Asphalt Content (KAO) obtained a value of 6.125%.
Analysis of Kinang Jingkion Material as Road Subbase Layer Using Soil Cement Method Rio Andrew Kristio Kandai; Bahtiar Bahtiar; Yohanes B. J. Rusmanta; Harmonis Rante; Apolo Safanpo; Janviter Manalu
Jurnal Indonesia Sosial Teknologi Vol. 5 No. 4 (2024): Jurnal Indonesia Sosial Teknologi
Publisher : Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59141/jist.v5i4.1016

Abstract

This research aims to analyze the California Bearing Ratio (CBR) and Unconfined Compressive Strength Test (UCS) values as road foundation layers using local materials, namely Kinang Jingkion. The soil and Kinang Jingkion materials for the study were taken from the Apalapsili quarry in Yalimo Regency. Additionally, the additive or soil stabilizer used was matos obtained from the testing of soil characteristics, including sieve analysis or gradation, Standard Proctor Test for light density, and liquid limit test. After testing, it was found that the soil from the Apalapsili quarry is granular soil and can be categorized as A-1-a according to SNI 03-6797-2002. Subsequent testing involved CBR and UCS testing on Mix Designs made of soil and cement with concentrations of 4%, 6%, and 8%. Next, additional Mix Designs were created with compositions of Kinang Jingkion, soil, cement at 4%, 6%, and 8%. Further Mix Designs included compositions of Kinang Jingkion, soil, matos at 2%, and cement at 4%, 6%, and 8%. From the UCS testing results, Mix Designs with soil and cement concentrations of 4% and 6% did not meet the compressive strength criteria, with compressive strength values of 9.26 Kg/Cm² and 17.4 Kg/Cm² respectively. According to SNI 6887-2012, the compressive strength value after 7 days of immersion should be within 25-35 Kg/Cm², while other Mix Designs met the criteria of SNI 6887-2012. CBR testing also utilized the same Mix Designs, and the highest CBR result was obtained from the Mix Design with compositions of Kinang Jingkion, soil, cement at 8%, and matos at 2%, with a CBR value of 112%. According to the 2018 Revised General Specifications, a CBR value of 112% indicates a Class A Foundation Layer.
Analysis of Natural Convection Heat Transfer in Barapen Cooking in Papua Johni Jonathan Numberi; Pither Palamba; Agustinus Giai; Kristofel Rumar; Joni; Yane Ansanay; Obet T. Ranteallo; Samuel P. Siregar; Ruben M. Kaiwai; Selyus Rantepulung; Anastasia Sri Werdani; Nourish Griapon; Yohanis Wanane; Janviter Manalu; Apolo Safanpo; Enos Karapa; Endang Hartiningsih; Marthen Liga; Oscar O. Wambrauw; Akbar Silo
Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa Dan Inovasi Volume 6 Nomor 2 Tahun 2024
Publisher : Fakultas Teknik Universitas Pancasila

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/asiimetrik.v6i2.6562

Abstract

Barapen, a cooking tradition in various indigenous Papuan communities. To date, various social science studies have been conducted to examine social values, business economics, and political economy. While research in the aspects of applied science has yet to be conducted to study the phenomenon of heat transfer by natural convection from hot stones to food in cooking packs, this research was conducted. The purpose of this research is to study the phenomenon of heat transfer by natural convection from hot stones to food in cooking packs. In this study, a square-shaped artificial pool (260 cm x 210 cm x 50 cm) with white batah stone walls was used to cook food in a barapen. On the four walls, a type K thermocouple is inserted to measure the temperature at 3 layers, which will be the object of research. The ingredients are vegetables, sweet potatoes, and chicken meat that has been cut and stoned. As a discussion, the temperature gradient between layers occurs due to the difference in the amount of volumetric heat against time in each layer. The difference in the amount of heat in each layer is due to the difference in the density of the hot vapor trapped in each layer. Thus, it can be said that the cooking of food in Barapen occurs due to natural heat convection.
Optimization of Savonius Turbine Performance with Variations in Blade and Shaft Spacing on the Coast of Sarmi Regency, Papua Province Johni Jonatan Numberi; Joni; Obed Rante Allo; Nourish C. Griapon; Yane A. Ansanay; Lazarus Ramandei; Wilfriedf Wanane; Rombe Allo; Janviter Manalu; Apolo Safanpo; Endang Hartiningsi; Marthen Liga; Enos Karapa; Yosef Lefaan; Prihananto Setiadji; Herbert Innah
Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa Dan Inovasi Volume 6 Nomor 2 Tahun 2024
Publisher : Fakultas Teknik Universitas Pancasila

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/asiimetrik.v6i2.6587

Abstract

The use of wind energy as one of the producers of electrical energy is done by converting mechanical energy into electrical energy from wind turbines, one of which is the savonius wind turbine. Savonius wind turbines in use are able to work at low wind speeds. This study aims to evaluate the potential of wind energy that can be generated by optimization in savonius wind turbines by measuring the power generated by varying the gap distance between Balde and turbine shafts and analyzing the most optimal power as a source of power generation on the coast of Sarmi Regency, Papua Province. The analysis method in this study is field surveys, wind speed measurements, power optimization, BHP and tool efficiency carried out with variations in the distance between the blade and turbine shaft, namely 5 cm, 10 cm and 15 cm. The results of this study stated that the most optimal and stable results on the power generated by the turbine as well as the BHP value and the best tool efficiency were a distance variation of 15 cm with an average power value produced (P0) of 15.55 Watts, an average BHP value of 0.56 Watts and an average efficiency value of 7.59%.
Co-Authors A. Asmuruf, Frans Achmad Erlangga Bintang Samodra Adi, Markus Budi Agustinus Giai Agustinus Purna Irawan AKBAR SILO Al Ichlas Imran Aldias Bahatmaka Allo, Obed Rante Anastasia Sri Werdani Apolo Safanpo Auldry Fransje Walukouw Ayomi, Erna Ferderika Bahtiar Bahtiar Bahtiar Bahtiar Basa T Rumahorbo Berlian Yonanda Andrianto Bernathius Julison Canggih Persada Sembiring Depari Chandra I. Lumban Gaol Cionita, Tezara Dewi Ana Rusim Diane Merani, Marice Endang Hartiningsi Endang Hartiningsih Endang Hartiningsih Enos Karapa Fitriyana, Deni Fajar Florida Doloksaribu Frans A. Asmuruf Fred Andris Waroy Gedrida Yacoba Maay Griapon, Nourish Griapon, Nourish C. Gunawan Purba, Hisar Hartiningsi, Endang Haryati, Kristina Henny Rosita Mantundoij Herbert Innah Heri Purnomo Herlia Herlia Herman Ferdinand Putera Safanpo Himawan Himawan HS, Surjono Husain Husain Husain Husain Hutapea, Musa B. I Wayan Nurjaya Irene Sondang Lingga Iriana Zebua, Lisye Ivan Medwin Januar Parlaungan Siregar Jembris Smur Jhonson Siallagan Jitmau, Yowel Johni J Numberi Johnson Siallagan JOHNSON SIALLAGAN Joni Karapa, Enos Kende Suma, Ratte Kholil Kholil Kholil Kholil Khristhoper Aris Arianto Manalu Krisna Dewi Kristofel Rumar Kudiai, Silvester Vinsentsius Lazarus B. Ramandey, Lazarus B. Lazarus Ramandei Lefaan, Yosef Lekito, Hanro Maklon Warpur Maklon Warpur Marthen Liga Marthen Liga Matulessy, Beni D. J. Mega Fatimah Rosana Mickael Ruben Kaiway Min Adii Mochamad Marte Ardhianto Mochammad Marte Ardianto Muhammad Syawal Mujiati Mujiati Nathaniel Alfons Nourish C. Griapon Nourish Griapon Nugroho, Rizky Fajar Nurul Puspitasari Obed Rante Allo Oktaviani, Theresia W. Oscar Wambrauw Pakpahan, Marianti Merry Petrus Bahtiar Pither Palamba Pither Palamba Prihananto Setiadji Puspitasari, Windy Desti Putra, Naufal Bahy Rahmat Doni Widodo Rante, Harmonis Ranteallo, Obet Riando, Kopanye Riano M Rumbiak Rio Andrew Kristio Kandai Risky Novan Ngutra Rombe Allo Ronaldo Ruwayari, Daniel Ruben M. Kaiwai Rumar, Kristofel Rusim, Dewi Ana Ruth Yabansabra, Yuliana Safanpo, Apolo Samsudin Anis Samuel Parlindungan Siregar Saramuke, Dina Mathilda Selyus Rantepulung Setiadji, Prihananto Siahainenia, Armand Ronald Silitonga, Astina Wati Siregar, Januar Parlaungan Suebu, Erni Fitri Suharyadi Suharyadi Sukatin, Sukatin Suparno Surjono HS Syamsuddin, Indri Hapsari Tanta - Tezara Cionita Tiurlina Siregar Tonapa, Veronika Gina Uniplaita, Tiper Walukouw, Auldry F Wambrauw, Oscar O. Wanane, Wilfriedf Werdani, Anastasia Sri Widiastuty, Wiwid Wilfriedf Wanane Yane A. Ansanay Yane Oktovina Ansanay Yembise, Leo Yansen Yohanes B. J. Rusmanta Yohanis Wanane Yosef Lefaan