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All Journal RACIC : Rab Construction Research Nusantara Science and Technology Proceedings Jurnal Abdimas Berdaya : Jurnal Pembelajaran, Pemberdayaan dan Pengabdian Masyarakat International Journal of Eco-Innovation in Science and Engineering (IJEISE) AJARCDE (Asian Journal of Applied Research for Community Development and Empowerment) Journal of Civil Engineering and Technology Sciences Jurnal Teknik Sipil
Minarni Nur Trilita
Department Of Civil Engineering, Faculty Of Engineering. Universitas Pembangunan Nasional “UPN“ Veteran Jawa Timur. Indonesia
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Classroom Arrangement in Nurul Islam Kindergarten to Support Student Creativity (Case Study: Nurul Islam Kindergarten, Surabaya) Susanti, Wiwik Dwi; M. Safeyah; M. N. Trilita
Nusantara Science and Technology Proceedings International Seminar of Research Month Science and Technology for People Empowerment.
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The main problems in Nurul Islam Kindergarten Surabaya are related to the dimensions of classrooms and the availability of classrooms as a place to conduct sports activities. In the research trying to be able to provide a solution in optimizing available space resources so that it can be an accommodating container for learning activities. This is one of the factors that supports the success of the learning program. From the results of the analysis of observations in the field, the classrooms are arranged based on several zones so as to provide a solution for narrow classroom arrangement. The zone also functions to differentiate and limit the mixing of various types of activities. So that every activity can run smoothly.
Hydrological Analysis of Water Treatment Plan (WTP) in Karian Dam Upstream Difha Trisadi; Minarni Nur Trilita; Iwan Wahjudijanto
Journal of Civil Engineering and Technology Sciences Vol. 3 No. 2 (2024): October : Journal of Civil Engineering and Technology Sciences
Publisher : Faculty Of Engineering University 17 August 1945 Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56444/jcets.v3i2.2255

Abstract

Abstract Rainfall or discharge data is obtained from the river basin authority by conducting hydrological analysis using the Nakayashu Synthetic Unit Hydrograph method to obtain the peak flood discharge and performing a dependable flow analysis (Q80%) using probability equations. On January 2, 2020 there was a flash flood that destroyed at least 1,410 houses, 30 bridges and hydraulic buildings located in the ciberang river flow among them is the PDAM row water intake structure. The need for hydrological studies to predict flood discharge as data needed in planning the stability of hydraulic building structures and determining the water surface elevation for intake operations. The results of the hydrological study of the Ciberang watershed obtained the design flood discharge values for specific return period of Q2 = 205,1 m3/s, Q5 = 340,5 m3/s, Q10 = 406,4 m3/s, Q25 = 475,6 m3/s, Q50 = 518,1 m3/s, Q100 = 549,6 m3/s. The estimated historical flash flood discharge that occurred in early 2020 in the ciberang river upstream of the Karian reservoir based on the testimony of residents as high as 8 meters is equivalent to the design discharge for Q25, which is 475.6 m³/s. The results of the dependable discharge (Q80%) calculations for the Ciberang watershed indicate that the minimum discharge occurs in September at 7.22 m³/s, while the maximum discharge occurs in February at 37.0 m³/s. Keywords: Hidrology, Rainfall Plan, Flood Discharge Plan, Dependable Discharge.
Distribution of Chlorophyll Concentrations Using Two Channel Terra MODIS Satellite Images in The Ketingan Coastal Area, Sidoarjo Siti Zainab; Minarni Nur Trilita; Bagas Aryaseta
Nusantara Science and Technology Proceedings 8th International Seminar of Research Month 2023
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/nstp.2024.4101

Abstract

The coast of Ketingan Sidoarjo is a fairly dynamic area, where the lives of fishermen depend on fishing. Ecosystem changes that occur in the coastal area of Ketingan Sidoarjo greatly affect the fishing effort, where one of the parameters that can be observed is the distribution of chlorophyll content from the water bodies on the coast. The purpose of this research is to analyze and map the distribution of chlorophyll content in the coastal area of Ketingan, Sidoarjo. This is based on the fact that researchers have not done much research on chlorophyll using 2-channel Terra Modis satellite imagery, where the best response is on Channel 3 = Rrs_678/Rrs_555, the best model obtained is the 2nd order Polynomial Algorithm Model y = 1.2446 x2 – 1.725 x + 1.0987 with a degree of determination R2= 0.3826.
Classification of Disaster Risk Areas on Mount Ruang Using Vegetation Index Calculations and Landsat-8 Satellite Imagery Siti Zainab; M. Abhiel Laits Qatadah; Fithri Estikhamah; Minarni Nur Trilita
Nusantara Science and Technology Proceedings 5th International Conference Eco-Innovation in Science, Engineering, and Technology
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/nstp.2024.4511

Abstract

Mount Ruang is located in Tagulandang District, Siau Tagulandang Biaro Islands Regency, North Sulawesi, with an elevation of 725 meters or 2,379 feet, at coordinates 2°18' N / 125°22' E. In April 2024, a significant eruption was re-recorded. Ruang Island is the peak of the volcano rising from the Sulawesi Sea. Most of its inhabitants are farmers, and land use in an area is influenced by population growth and activities. The eruption of Mount Ruang has caused changes in land function. In this study, classification was conducted using the Normalized Difference Vegetation Index (NDVI) and Soil Adjusted Vegetation Index (SAVI). The data were sourced from Landsat 8 imagery from 2022 to 2024, specifically bands 4 and 5. The results of this study conclude that from 2022 to 2024, the vegetation index calculations were very significant. Classification calculations before and after the eruption showed that the NDVI vegetation index in 2022 and 2023 indicated vegetated land, while in 2024, it indicated non-vegetated land. The SAVI vegetation index identified water bodies such as rivers or seas. It can be concluded that post-eruption, the land around the volcano was non-vegetated and much of the material fell into the sea.
Penyuluhan Pengolahan Air Tanah Yang Mengandung Kapur, Besi, dan Mangan Menggunakan Filtrasi dan Membran Reverse Osmosis di Desa Kapor, Madura Hendrasarie, Novirina; Nur Trilita, Minarni; Farichah, Himatul; Rahmad, Basuki; Azizah Affandy, Nur
Jurnal Abdimas Berdaya : Jurnal Pembelajaran, Pemberdayaan dan Pengabdian Masyarakat Vol 8, No 1 (2025): Jurnal Abdimas Berdaya
Publisher : Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/jab.v8i1.1049

Abstract

Sediment Characteristics and Impacts at Tugu Dam, Trenggalek, East Java Fajar Fadillah; Minarni Nur Trilita; Novie Handajani
International Journal of Eco-Innovation in Science and Engineering (IJEISE) Vol. 7 No. 01 (2026): IJEISE
Publisher : UPN Veteran Jatim

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/ijeise.v7i01.183

Abstract

Dam infrastructure plays a crucial role in the development and management of water resources. The Tugu Dam was constructed in 2014 and completed in 2021. High erosion rates in the Tugu Dam watershed area are a primary factor contributing to sedimentation within the reservoir. It is inevitable that river inflows carry sediment loads into the dam, which subsequently settle and cause reservoir siltation. This sedimentation-induced reduction in storage capacity can significantly impact the operational performance of the Tugu Dam. The objective of this final project is to determine the amount of sedimentation deposited, analyze the sedimentation patterns, and learn how to perform sediment modeling using the HEC-RAS application. This study employs HEC-RAS version 6.0, a software developed by the US Army Corps of Engineers, widely used for hydrologic analyses including river flow, flood modeling, dam breach simulations, and sediment transport analysis. The data utilized are secondary data obtained from the Brantas River Basin Organization (BBWS Brantas). Based on the calculations and analyses conducted in this study, sediment transport modeling requires three primary data inputs: geometric data, hydrologic data, and sediment data. The modeling results indicate a decrease in dead storage capacity from an initial 1,040,000 m³ to 832,516.85 m³ over a 33-year period, representing a reduction of 19.95%. Additionally, the effective storage capacity slightly decreased from 8,667,000 m³ to 8,666,000.01 m³, corresponding to a minimal reduction of approximately 0.0115%. The sediment deposition pattern identified in the Tugu Dam reservoir through HEC-RAS modeling is uniform, with a total sediment accumulation volume of 207,483.14 m³.
ANALISIS BEBAN SEISMIK PADA STRUKTUR GEDUNG ONKOLOGI RUMAH SAKIT UMUM HAJI SURABAYA BERDASARKAN SNI 1726:2019 (STUDI KASUS: PROYEK GEDUNG ONKOLOGI RUMAH SAKIT UMUM HAJI SURABAYA) Putri Meyshinta; Nauval Alvian Firmansyah; Minarni Nur Trilita
Racic : Rab Construction Research Vol. 11 No. 1 (2026): JUNI
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v11i1.7354

Abstract

Hospitals are essential facilities required to maintain structural integrity and operational continuity during seismic events. This study aims to analyze seismic loads and evaluate inter-story drift in the Oncology Building of Haji Surabaya General Hospital to assess structural safety and compliance with earthquake-resistant design requirements. The analysis was conducted using SAP2000 and Microsoft Excel. The research methodology includes the calculation of dead loads, live loads, and seismic loads based on site-specific seismic parameters and local soil characteristics. The results indicate that the eight-story reinforced concrete building with a Special Moment-Resisting Frame system satisfies the required seismic performance criteria. The obtained seismic parameters include a peak ground acceleration (PGA) of 0.3155 g, spectral acceleration parameters Ss of 0.6789 g and S1 of 0.3044 g. Response spectrum analysis yielded SMS and SM1 values of 0.785 and 0.396, respectively, while the design spectral accelerations were determined as SDS = 0.640 and SD1 = 0.570. The fundamental vibration periods of the structure were calculated as T0 = 0.180 s and Ts = 0.890 s, with the building classified as Risk Category IV and Seismic Design Category D. In conclusion, the Oncology Building structure of Haji Surabaya General Hospital meets the seismic performance requirements, with combined modal mass participation ratios of 0.95049 in the X direction and 0.95031 in the Y direction. The structure is considered safe, as the allowable inter-story drift (Δa) exceeds the actual drift values in both directions
Analysis of Planned Flood Discharge Using HEC-HMS Software on the Keser River, Trenggalek Regency Teddy Satria Kartadipura; Minarni Nur Trilita
AJARCDE (Asian Journal of Applied Research for Community Development and Empowerment) Vol. 10 No. 3 (2026)
Publisher : Asia Pacific Network for Sustainable Agriculture, Food and Energy (SAFE-Network)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29165/ajarcde.v10i3.1187

Abstract

To mitigate seasonal flooding in the Keser River watershed, Trenggalek Regency, East Java, this study estimated design rainfall and flood discharges using the HEC-HMS hydrological model based on rainfall records from 2014–2024. Areal rainfall was calculated using the Thiessen Polygon method, while frequency analysis identified the Log Pearson Type III distribution as the most appropriate probability model according to the Chi-Square and Kolmogorov–Smirnov goodness-of-fit tests. The 43.06 km² watershed was delineated into seven sub-watersheds using DEM and land-use data. Rainfall losses and runoff transformation were simulated using the SCS Curve Number (SCS-CN) and SCS Unit Hydrograph methods, respectively. The simulated peak discharges at the watershed outlet were 512.9, 678.5, 772.3, 877.8, 947.9, and 1,011.7 m³/s for the 2-, 5-, 10-, 25-, 50-, and 100-year return periods, respectively. The simulated hydrographs exhibited a steep rising limb followed by a gradual recession limb, indicating rapid runoff generation and delayed flow attenuation. These results demonstrate that the HEC-HMS model effectively represents the hydrological behavior of the Keser River watershed and provides reliable design flood estimates to support flood mitigation planning and sustainable water resources management. Contribution to Sustainable Development Goals (SDGs):SDG 6: Clean Water and SanitationSDG 9: Industry, Innovation and InfrastructureSDG 11: Sustainable Cities and CommunitiesSDG 13: Climate ActionSDG 15: Life on Land
Kajian Dewatering Sebagai Metode Darurat Pengairan Saluran Sekunder di Gumbasa, Sulawesi Tengah Yerry Kahaditu Firmansyah; Minarni Nur Trilita
Teras Jurnal : Jurnal Teknik Sipil Vol. 13 No. 2 (2023): Volume 13 Nomor 2, September 2023
Publisher : UNIVERSITAS MALIKUSSALEH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/tj.v13i2.947

Abstract

Abstrak Sebagai negara agraris, masyarakat Indonesia banyak menggantungkan hidupnya pada sektor pertanian. Dalam pertanian, irigasi sangatlah penting untuk memastikan hasil tani sekaligus mengembangkan sektor pertanian. Untuk itu, Daerah Irigasi Gumbasa, Palu, Sulawesi Tengah dilakukan rehabilitasi di saluran primer. Namun saat proses rehabilitasi berjalan, saluran sekunder ke bawahnya tetap memerlukan aliran air irigasi agar tidak mengganggu pertanian yang dialirinya. Oleh karenai itu direncanakan untuk digunakan metode dewatering sebagai metode pengairan darurat. Metode dewatering jamak dilakukan pada pekerjaan konstruksi. Namun, karena metode tersebut belum pernah digunakan pada keperluan irigasi, maka perlu untuk dikaji secara mendalam. Dalam kajian ini akan dihitung jumlah sumuran yang diperlukan dan seberapa lama untuk memenuhi debit yang dibutuhkan dalam sehari. Hasil dari kajian tersebut adalah metode dewatering tidak sesuai untuk kegunaan darurat pengairan saluran irigasi karena jumlah sumuran yang diperlukan mencapai ribuan, sehingga perlu dilakukan kajian metode lain untuk memenuhi debit saluran sekunder tersebut. Kata kunci: Dewatering, Irigasi, Saluran Sekunder, Rehabilitasi, Pertanian   Abstract As citizens in an agricultural country, most Indonesians depend on the agricultural sector for their livelihood. Irrigation is crucial to ensure farming yields while developing the agricultural sector. For this reason, the Gumbasa Irrigation Area, Palu, Central Sulawesi, is rehabilitating the primary channel. However, during the rehabilitation process, the secondary channels still need irrigation water flow so as not to interfere with the agriculture it flows through. Therefore, it was planned to use the dewatering method as an emergency irrigation method. The dewatering method is commonly used in construction works. However, since the method has never been used for irrigation purposes, it needs to be studied. The study will calculate the number of wells required and how long it takes to fulfil the required discharge in a day. The result of the study is that the dewatering method is not suitable for irrigation purposes because the number of pits required is in the thousands, so it is necessary to study other methods to fulfil the secondary channel discharge. Keywords: Dewatering, Irrigation, Secondary Channel, Rehabilitation, Agriculture
Co-Authors Aryaseta, Bagas BASUKI RAHMAD Difha Trisadi Fajar Fadillah Fithri Estikhamah Iwan Wahjudijanto M. Abhiel Laits Qatadah M. Safeyah Nauval Alvian Firmansyah Novie Handajani Novirina Hendrasarie Putri Meyshinta Siti Zainab Teddy Satria Kartadipura Wiwik Dwi Susanti Yerry Kahaditu Firmansyah