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All Journal Jurnal Teknik Sipil Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Proceedings ACES (Annual Civil Engineering Seminar) Jurnal Teknik Journal of Geoscience, Engineering, Environment, and Technology RACIC : Rab Construction Research Jurnal Sinergitas PkM & CSR JURNAL SAINTIS Jurnal Penelitian IPTEKS Jurnal Infrastruktur Journal of Infrastructure and Civil Engineering Bhakti Nagori (Jurnal Pengabdian kepada Masyarakat) Techno SAINSTEK Jurnal Teknologi & Rekayasa Sipil BATOBO: Jurnal Pengabdian Kepada Masyarakat
Yohanna Lilis H
Universitas Riau
Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Physics Public Health Social Sciences Transportation Other

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Journal : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Analisis Koefisien Rezim Aliran (Kra) Berdasarkan Permenhut No: P.61/2014 (Studi Kasus: Sub Das Batang Sinamar, Sub Das Batang Ombilin Dan Sub Das Lubuk Ambacang) Sutopo Sutopo; Yohanna Lilis H; Bambang Sujatmoko
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 7 (2020): Edisi 1 Januari s/d Juni 2020
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Activities to determine the development of satisfaction, quality, and continuity of water flow from watersheds / sub-watersheds, namely by monitoring and evaluating water systems, one of the monitoringand evaluation of water systems using KRS (River Regime Coefficient) Based on Permenhut No: P.61 / 2014 conducted in Sub Batang Sinamar watershed, Batang Ombilin watershed and Lubuk Ambacangwatershed. This watershed was chosen because in this area floods occur every year. The data used are Indragiri Hulu watershed map data and discharge data to analyze the KRA value. The results of KRAanalysis in the Batang Sinamar Sub-watershed from 2010 to 2018 amounted to 35.40 included in the classification of "Low" with a score of 0.75, the results of the KRA analysis on the Batang Ombilin Subwatershed in 2009 to 2018 amounted to 248.20 included in the classification of "Very High" with a score of 1.5 and the results of the analysis of the KRA analysis in the Lubuk Ambacang Sub-watershed in 2009 to 2018 amounted to 35.56 included in the classification of "Low" with a score of 0.75.Keywords : water management monitoring, flow regime coefficient, indragiri watershed
Modifikasi Penggunaan Data Hujan Untuk Pemodelan Hidrologi Hujan Aliran Menggunakan Program IFAS Lilianti Lilianti; Sigit Sutikno; Yohanna Lilis H
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 2, No 2 (2015): Wisuda Oktober Tahun 2015
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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The advancement of technology in remote sensing sector has provided an alternative solution of data availability in hydrological modeling by satellite data appearance. However, the satellite data still has a weaknesses which is probably caused by several factors such as weather condition and the existence of other objects so that data quality is not good. Therefore, the aim of this research is to model the hydrological rainfall-rainoff with three types of rainfall that are satellite rainfall, ground rainfall and modified rainfall using IFAS program in Rokan Sub Watershed, Riau Province. At the verification phase, advanced and backwards simulation will be done respectively in 2005 and 2006 to test the reliability of the model. The result shows that hydrological modeling at calibration phase in 2006 has a better result in satellite rainfall than that of ground and modified rainfall, with coefficient of correlation (R) value 0,574, volume error (VE) 2,985%, and coefficient of efficiency (CE) 0,876.Keywords: rainfall-runoff modeling, satellite rainfall, ground rainfall, modified rainfall, IFAS.
Pola Distribusi Hujan Kota Pekanbaru Berdasarkan Data Satelit TRMM Jaxa Bunga Rafikah Zaki; Yohanna Lilis Handayani; Manyuk Fauzi
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 5 (2018): Edisi 1 Januari s/d Juni 2018
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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One of parameters to determine the discharge is to know the pattern of rainfall distribution. To calculated the rainfall distribution is required hourly rainfall data of TRMM. Rainfall distribution patterns can be calculated using the empirical method of Alternating Block Method (ABM), Tadashi Tanimoto and Mononobe. The aim of this research to determine the pattern of rainfall distribution in the city of Pekanbaru from 2009 to 2016 based on the pattern and correlation. Based on shape, the most common TRMM distribution pattern is the bell shape that occurs from the duration of 3 to 9 hours and for the duration 2 hours has the form of a declining ladder. While based on correlation, pattern of rainfall distribution for duration of 3, 4, 6, and 7 hours tend to ABM Method, 5 hour duration tends to Mononobe Method and 8 hour duration tends to Tadashi Tanimoto Method. The results of this study have been compared with previous studies for Pekanbaru City, which of the two studies only rain with duration of 3 and 5 hours that have a match pattern.Keywords : The Pattern of rainfall distribution, Satellite rainfall data, Alternating Block Method (ABM), Modified Mononobe, Tadashi Tanimoto
Analisis Penyebab Terjadinya Pembengkakan Biaya (Studi Kasus: Pada Proyek-Proyek Di Kota Pekanbaru) Wan Bunda Theresia; Rian Tri Komara Iriana; Yohanna Lilis Handayani
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 5 (2018): Edisi 2 Juli s/d Desember 2018
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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The construction project is an activity which has a goal to be achieved. In the construction process, the cost is the major consideration because it commonly involves a large amount of investment and is vulnerable to the risk of failure. The purpose of this research was to determine the rate of validation, and to analyze the most dominant factor causing the overrun of construction costs (case study on Municipal Projects in Pekanbaru). The collected data were analyzed by using validation and reliability test, factor analysis, classic assumption test, and multiple linier regression. The data processing was done by using SPSS software (Statistical Product and Service Solution) version 23. As a result, it is obtained that the most dominant factor which has triggered the overrun cost consisted of: planning and construction department i.e. handling too many projects at the same time with the percentage of 83,9%, part of the cost estimate that does not take into account the unexpected cost with a 92.0% percentage on the road, part of the cost estimate that does not take into account the unexpected cost with a percentage of 90.1% on the bridge.Keywords : construction, cost, overrun cost, dominant factor.
Aplikasi Biosand Filter Dengan Penambahan Media Karbon (Arang Kayu) Untuk Pengolahan Air Sumur Daerah Gambut Okdika Berliandra; Yohanna Lilis Handayani; Lita Darmayanti
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 2, No 1 (2015): Wisuda Februari Tahun 2015
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Refers to the results test from UPT Health and Environment Laboratory in Pekanbaru, the quality of water wells in peat areas on Kadiran Street RW.06 / RT.03, Kulim, Tenayan Raya District, Pekanbaru City, has turbidity (CaCO3) level of 18 mg/L and contains iron metal (Fe) < 0,0195 mg/L, manganese (Mn) < 0,0248 mg/L, organic substances (KMnO4) 9,7 mg/L, pH levels between of 4.9 – 5.2, and smelling. This condition makes water wells in peat areas should through processing water treatment before consumed. Biosand filter with the addition of carbon (charcoal) is the one of alternative treatment for water wells in peat areas with simple and natural concept. The purpose of this research for determining the efficiency from using biosand filter with the addition of carbon (charcoal) to get the most quality of water wells in peat areas based on the parameters pH, smelling, and organic substances. Reactor of biosand filter is made from PVC pipe diameter of 6" and high 150 cm. The results showed that, biosand filter produces the best efficiency to increase the pH value up to 26.00%, to decrease organic substances value up to 91.92%, and eliminates of smelling. In generally, water wells in peat areas which produced by biosand filter process can to repair the parameters of the organic substances and smelling. However water discharge producing from reactor of biosand filter is too small, so that not effective to be applied.Keywords: water wells, biosand filter, charcoal
Analisis Indeks Kekeringan Meteorologis Lahan Gambut Di Pulau Bengkalis Sinta Afdeni; Sigit Sutikno; Yohanna Lilis Handayani
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 4, No 2 (2017): Wisuda Oktober Tahun 2017
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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This study analyzed meteorological drought in peatlands area using Tropical Rainfall Measuring Mission (TRMM) rainfall satelit data. Bengkalis Island, Indonesia was picked up as study area of this research because Bengkalis area is vulnerable against peat fire. The index of meteorological drought was analyzed using Standardized Precipitation Index (SPI) method based on Geographic Information System (GIS). The period of calculation were conducted on monthly and half monthly period. The result it was found that the SPI dryness index in each grid was almost the same or had no significant difference, where there was no dry and wet period simultaneously in the same time period. In the half monthly period, the lowest SPI score was -4,710 and the highest SPI was 1.903. While in monthly period, the lowest SPI value is -2,806 and the highest SPI value is 1,914. Keywords: meteorological drought index, SPI, TRMM, GIS
Kemampuan Constructed Wetland Jenis Aliran Bawah Permukaan (SSF - Wetland) Dalam Mengolah Air Limbah Kawasan Komersial Oni Loretha; Lita Darmayanti; Yohanna Lilis Handayani
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 1, No 2 (2014): Wisuda Oktober Tahun 2014
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Wastewater of commercial areas such as hotels, shops, restaurants, offices, and shopping centers relatively contain high pollutant concentrations, they caused the imbalance of drainage ecological quality, health problems, and the water pollution itself. The effective technology in treating waste wateris The Sub Surface Flow Constructed Wetland (SSF-Wetland) that maximize either the impact or the potentcy of the plants in treating waste waterin the physical, chemical and biological wayby using plants/vegetation, water and microorganisms to reduce the level of pH, Chemical Oxygen Demand (COD), and the level of Total Suspended Solid (TSS) contained in waste water by slowly flowing them through the inlet hole to the surface covered by the living plants. The experimental result shows by using bamboo water plant (Equisetum hyemale) in artificial wetland system, the content of pollutants in wastewater can be eliminated. The highest average value of COD reduction efficiency is 61.9 %, 92.6 % of TSS and the decreasing of pH reaches 29.4%. The advantage of wastewater treatment using this system enables us to produce the appropriate water quality of the domestic wastewater based on the quality standards.  Keywords:Equisetum hyemale, SSF-Wetland, wastewater
Pola Distribusi Hujan Jam-Jaman Pada Stasiun Hujan Pasar Kampar Adiyka Fasanovri Asfa; Yohanna Lilis Handayani; Andy Hendri
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 1, No 2 (2014): Wisuda Oktober Tahun 2014
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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In the analysis of flood hydrograph to input of designed rainfall, usually rainfall parameters like as duration and rainfall distribution pattern were not available, but actually the case is very important for analysis. rainfall distribution pattern can be seen in two ways, the first is observation of rainfall events using automatic rainfall recorder and rainfall distribution model.The study using rainfall data from rainfall stations Pasar Kampar, Kampar Regency. The research was done by comparing the rainfall distribution pattern of hourly from observations method with distribution pattern of hourly using rainfall distribution model. Rainfall distribution model used is the Alternating Block Method (ABM), Modified Mononobe, and Tadashi Tanimoto.The analysis showed that rainfall in station Pasar Kampar was dominated by three hour rainfall events. Distribution of rainfall three to seven hours, rainfall distribution model ABM giving out largest deviation compared with distribution model Modified Mononobe, and for the distribution of rainfall eight hours the smallest deviation given by rainfall distribution model. Tadashi Tanimoto.Keywords: rainfall duration, rainfall distribution pattern, rainfall distribution model.
Pemodelan Parameter a Pada Hidrograf Satuan Sintetik Nakayasu (Studi Banding Dengan Hidrograf Satuan Sintetik Gama 1) M Ramadani; Manyuk Fauzi; Yohanna Lilis Handayani
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 1, No 1 (2014): Wisuda Februari Tahun 2014
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Choosen of hydrograph parameter  (α)  on hydrograph synthetic of Nakayasu is subjective depends on raising and recession of the hydrograph’s arc and often got problem on choosen hydrograph parameter (α). The research aims are to determine equation of α (alpha) on hydrograph synthetic of Nakayasu method, and also to analyse effect of river characteristics on α based on volume control. Results show that long of watershed and area of watershed were influenced equation of α..Calculation produce
Analisis Kapasitas Pompa Untuk Penyediaan Air Irigasi Di Kampung Sungai Tengah Kecamatan Sabak Auh Kabupaten Siak Fuad Riyadhi; Siswanto Siswanto; Yohanna Lilis Handayani
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 8 (2021): Edisi 2 Juli s/d Desember 2021
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Kampung Sungai Tengah has a productive rice field area of about 450 ha. The extent of rice fields is a potential that can support food availability to meet local and regional needs. The government provides long storage to meet agricultural irrigation water needs, but the quality of crop yields is not maximized and land conversion still occurs. This is caused by difficulties in providing irrigation water due to the absence of pumping development from the government and the lack of understanding of farmers about the function of long storage. In addition, the elevation of the water table during the dry season is lower than the elevation of the rice fields. This research was conducted by using various secondary data and analyzing the feasibility of constructing irrigation pumps in the rice fields of Kampung Sungai Tengah. Based on the data analysis, it was found that the availability of reliable discharge (Q80) of the Siak River using the F.J Mock methods was 147.48 m3/s with the largest irrigation water requirement in April period I of 0.88 m3/s. With a very high level of water availability compared to the irrigation water needs of the area, technically the construction of irrigation pump is feasible.Keywords: Irrigation, Irrigation pump, Feasibility, F.J Mock methods
Co-Authors ', Fitriani Adiyka Fasanovri Asfa Adiyka Fasanovri Asfa, Adiyka Fasanovri Adya Ariska, Gopal Al-Khani, M. Rizki Alfianis Alfianis amad, Ali Amalia Masturah Aminuyati Andy Hendri, MT, Andy Annam, M. Khairul Annisa Destiany Ariani Kurnia, Ariani Bambang Sujatmoko Buchori Buchori Bunga Rafikah Zaki David Imannuel Ketaren David Imannuel Ketaren Dickky Yusman Dwiegi Safitri Febriani Dwiegi Safitri Febriani Elianora - Elvi Yenie, Elvi Ermiyati Ermiyati Eryan Chintya Debby Fauzi, Manyuk Febrira Ulya Astuti Fitriani Fitriani Fuad Riyadhi Ghiffa Syauqiyya Harahap Gopal Adya Ariska Harahap, Ghiffa Syauqiyya Harry Dias Darmawan Haryo Dipa Horas Saut Maringan Hugo Pratama Husnah Husnah Ilham Burhanudin Imam Suprayogi Indah Ameliana Beza Isdianto Isdianto Isdianto, Isdianto Ismeddyanto, Ismeddiyanto Joleha, Joleha Junius Nainggolan Karunia, Ariani Ketaren, David Imannuel Khotimah, Gina Khusnul Lilianti Lilianti Lita Darmayanti M Ramadani M. Khairul Annam Mardani Sebayang Meiki Prayudi Mourbas, Arin Mudjiatko, Mudjiatko Muhammad Nur Fajri Muhammad Wildan Pahlevi Nadhella Ghaifany Neneng Sari Nensi Norima Sabrina Okdika Berliandra Oktavia, Gumi Oni Loretha Permata Amanda De Novin R Putra Kurniawan Rahma Setya Linggasari, Rahma Setya Randhi Saily Rian Trikomara Iriana Rifandri, Danus Rinaldi Rinaldi Robby Aulia Syuhada Rohman Rosyid Rosyid, Rohman S Siswanto Safridatul Audah Saragi, Setiadi Siahaan, Haryanto Simanjuntak, Valentino Sinta Afdeni Siswanto Soewignjo Agus Nugroho Solihin, Muhamamad Afdel Suci Amalia Sudirman Sudirman Sutikno, Sigit Sutopo Sutopo Syahrul Ramadhani Syamsul Arifin Syuhaya Wanisakdiah Thessalonika Thessalonika Thessalonika, Thessalonika Trimaijon Triyono Triyono Wan Bunda Theresia Wibowo Suarno Putra Yesy Dian Permatasari, Yesy Dian