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All Journal Civil Engineering Forum Teknik Sipil Inersia : Jurnal Teknik Sipil dan Arsitektur Sainteknol : Jurnal Sains dan Teknologi Jurnal Kesehatan Masyarakat (JKM) CENDEKIA UTAMA Civil and Environmental Science Journal (CIVENSE) Valid Jurnal Ilmiah Abdimas Galuh : Jurnal Pengabdian Kepada Masyarakat Jurnal Ilmiah Lingkungan Kebumian Journal of Innovative and Creativity
Istiarto Istiarto
Jurusan Teknik Sipil dan Lingkungan (JTSL , Fakultas Teknik, UGM Yogyakarta
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Economics, Econometrics & Finance Education Engineering Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Nursing Public Health Social Sciences Other

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Performance of Dodging Channels and Cofferdams Against Flood Flows in the Construction of Bener Dams Lestari, Yuni; Istiarto, Istiarto; Sujono, Joko
INERSIA lnformasi dan Ekspose Hasil Riset Teknik Sipil dan Arsitektur Vol. 19 No. 2 (2023): December
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/inersia.v19i2.58182

Abstract

Bener Dam is one of the new dams built in Bogowonto River, in Guntur Village, Bener District, Purworejo Regency. Bener Dam was constructed to fulfill the irrigation and raw water demand, and also as a flood control, and a micro-hydro power plant, conservation, and tourism that can improve the economy. The diversion works of the Dam consist of the construction of a cofferdam and a diversion tunnel. The cofferdam and diversion tunnel need to be planned well to prevent the river from overflowing through the main dam and causing material losses and casualties. Therefore it is necessary to study the performance of cofferdam and the diversion tunnel of Bener Dam against the flood discharge. In this study, the diversion tunnel flood routing was carried out by HEC-RAS software version 4.1.0. The design flood uses return periods of 25 and 50 years. The flood routing simulation is carried out by two scenarios: the flow simulation on the existing conditions and the flow simulation on the diversion tunnel. The research results show that the Bogowonto River still can accommodate 25-year, and 50-year floods along the river channel. The cofferdam with a peak elevation of +235 m which is designed with a discharge of 410 m3/s is also capable of diverting the flood discharge with a return period of 25 years and 50 years. The diversion tunnel of Bener dam is planned by a horseshoe shape F, with a 25-year flood design with 7m tunnel diameter Based on the flood routing analysis, it was found that the maximum water elevation in the diversion tunnel was +221 m, and with outflow of 332 m3/s. The 50-year flood routing in the diversion tunnel results maximum water elevation of +222 m with an outflow of 396 m3/s. The flood simulation shows the flow characteristics in the diversion tunnel in the form of open channel flow because the tunnel is not filled by water. Then, the maximum flow velocity on the diversion tunnel is ±14.3 m/s which exceeds the permissible velocity so it can cause damage due to erosion and affect the amount of sediment transport.
Evaluasi Sebaran Salinitas Jaringan Irigasi Tambak Sei Teras Kalimantan Tengah Duhita, Anselma Diksita Prajna; Rahardjo, Adam Pamudji; Istiarto, Istiarto
Jurnal Ilmiah Lingkungan Kebumian Vol 6, No 1 (2023): September
Publisher : Jurusan Teknik Lingkungan, FTM, Universitas Pembangunan Nasional “Veteran” Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/jilk.v6i1.10200

Abstract

Daerah Irigasi Tambak (DIT) Sei Teras dimanfaatkan untuk budidaya udang vaname (Litopenaeus vannamei) dan termasuk area pengembangan food estate. Produktivitas DIT Sei Teras masih rendah karena faktor kualitas air, termasuk salinitas sehingga perlu dievaluasi. Titik-titik sampel pengukuran salinitas tersedia, tetapi sebaran salinitas diperlukan untuk mengetahui distribusi salinitas secara komprehensif. Penelitian ini bertujuan untuk mengevaluasi sebaran salinitas di DIT Sei Teras sebagai langkah awal upaya meningkatkan produktivitas. Evaluasi sebaran salinitas dilakukan dengan simulasi pemodelan menggunakan perangkat lunak HEC-RAS. Prosedur penelitian yakni penyesuaian data geometri, kalibrasi model, simulasi aliran tidak permanen, dan simulasi kualitas air. Hasil simulasi sebaran salinitas dievaluasi berdasarkan pedoman yang berlaku. Nilai n Manning hasil kalibrasi model yaitu 0,03. Sebaran salinitas pada saluran primer menunjukkan salinitas minimal tingkat budidaya semi intensif (10 ppt) tercapai hingga jarak 4,7 km dan 5,9 km dari muara untuk Saluran Primer Sei Teras dan Pelampai. Sebaran salinitas pada saluran sekunder menunjukkan 80% ruas Saluran Sekunder Cemara Labat, 56% ruas Saluran Sekunder Pelampai, dan 68% ruas Saluran Sekunder Sei Teras memenuhi salinitas minimal untuk tingkat budidaya semi intensif. Sebaran salinitas di DIT Sei Teras bervariasi sehingga upaya peningkatan sebaran salinitas diperlukan guna meningkatkan produktivitas.
Evaluation of Flood Control Performance in the Talangsari Watershed, Samarinda, East Kalimantan Hariyadi, Joko Sugeng; Istiarto, Istiarto; Raharjo, Adam Pamudji
INERSIA lnformasi dan Ekspose Hasil Riset Teknik Sipil dan Arsitektur Vol. 19 No. 1 (2023): May
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/inersia.v19i1.54144

Abstract

The flood issues in the Talangsari River in Samarinda City were not only caused by high rainfall but also by the significant sediment accumulation and waste along the river, the encroachment of residential areas onto the river section, and the lack of public awareness regarding environmental cleanliness. As a result, flooding occurs throughout the Talangsari River, from upstream to downstream, indicating significant damage to the river. Considering these issues, proactive measures are necessary to address the flood problems. One such measure is the normalization of the Talangsari River to ensure smooth land transportation from and to Apt Pranoto Airport in the Sei Siring area, Bontang City, Sangatta, and Kutai Kartanegara. The flood discharge plan was estimated using Nakayasu and SCS synthetic unit hydrograph method. The analysis revealed a peak discharge of 6.39 m3/s for the existing conditions (2-year return period) and 13.38 m3/s for the normalization conditions (25-year return period). Subsequently, the simulations were performed using the HEC-RAS program by two scenarios: the existing river condition and the normalization scenarios. Following the simulation with the 2-year return period discharge for the existing conditions, the Talangsari River experienced upstream to downstream flooding, underscoring the need for flood mitigation measures. The river normalization simulation using the 25-year return period discharge considered dimensions such as a channel width of 7m and a depth of 3.5m. As a result of the normalization simulation, the Talangsari River successfully accommodated a flow of 13.38 m3/s without experiencing flooding, confirming that the decision to pursue normalization was the best choice.
Modeling the Yogyakarta International Airport (YIA) Area Flood Control System Using EPA SWMM 5.1 Ulumuddin, Muhammad Ihya; Istiarto, Istiarto; Wignyosukarto, Budi Santoso
INERSIA lnformasi dan Ekspose Hasil Riset Teknik Sipil dan Arsitektur Vol. 19 No. 1 (2023): May
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/inersia.v19i1.57472

Abstract

Yogyakarta International Airport (YIA) is a new airport that operates in the Special Region of Yogyakarta, located in Temon District, Kulon Progo Regency. The presence of the airport will undoubtedly bring various benefits, such as increasing economic activities in the area around the airport. However, the location has a problem, namely the risk of flooding. Flooding can affect activities around the airport, such as freight forwarding activities and access to or from the airport. Based on this problem, efforts are needed to prevent the flood that occurs does not have an impact on the activities of YIA airport and the surrounding area. In this case, the researcher used the EPA SWMM program in modeling the drainage system at the site under study. Modeling the point of occurrence of flooding will make it easier to normalize and add embankments to the channel. Modeling with EPA SWMM 5.1 requires input data such as rain distribution data, watershed characteristics, and the transverse appearance of the drainage channel. The results showed an overflow in the 15 drainage channels studied. The causes of overflow are high surface runoff and sedimentation based on channels and backwaters. Efforts to overcome by normalizing and adding embankments are sufficient to overcome flooding in several channels. Meanwhile, for channels that are still experiencing flooding, other countermeasures, such as retention ponds, are needed.
Factors Associated with the Use of Personal Protective Equipment (PPE) among Tunnel Construction Workers on Jalan Sultan Alimuddin–Jalan Kakap, Samarinda City Alfianto, Sulung; Istiarto, Istiarto; Pangadongan, Sri Evi Newyearsi; Naibaho, Junser; Bagaskara, Gilang; Fitriani, Fitriani
Journal of Innovative and Creativity Vol. 5 No. 2 (2025)
Publisher : Fakultas Ilmu Pendidikan Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/joecy.v5i2.3486

Abstract

Based on observations and interviews with the service provider company, namely PT PP (Persero) Tbk, there were 3 minor work accidents that occurred in the work environment. Objectives: The purpose of this study was to determine the factors related to compliance with the use of personal protective equipment among tunnel construction project workers on Jalan Sultan Alimuddin to Jalan Kakap, Samarinda City in 2024. Research Metodes: The type of research used in this study is a quantitative method using a cross-sectional approach. The study was conducted in a tunnel construction project on Jalan Sultan Alimuddin to Kakap, Samarinda City. The sample used in this study was 153 respondents and based on the results of the calculation test using the Slovin formula, the sample obtained was 110 respondents. Results: The results of the study showed the availability of PPE (P value of 0.543>0.05), behavior (P value of 0.284>0.05) and length of service (P value of 0.050≤0.05) on compliance with the use of PPE among tunnel construction project workers on Jalan Sultan Alimuddin to Kakap. It can be concluded that length of service has a relationship with compliance with the use of PPE among tunnel construction project workers on Jalan Sultan Alimuddin to Kakap, which means Ha is accepted. While the availability of PPE and behavior have no relationship with compliance with the use of PPE among tunnel construction project workers on Jalan Sultan Alimuddin to Kakap, which means Ho is accepted. Conclusion: Workers are expected to be able to increase their knowledge early on, starting from the start of work, so it is hoped that workers who have minimal experience in implementing the use of personal protective equipment can understand the function of all forms of personal protective equipment in the workplace earlier.
ANALISIS FAKTOR MANUAL HANDLING DAN KELELAHAN DENGAN KELUHAN LOW BACK PAIN PADA PEKERJA PENGGILINGAN PADI UD. SARI PADI JAYA DI DESA BUKIT PARIAMAN TENGGARONG SEBERANG Istiarto, Istiarto; Setiawan, Andreas Rema
JKM (Jurnal Kesehatan Masyarakat) Cendekia Utama Vol 13, No 2 (2025): JKM (Jurnal Kesehatan Masyarakat) Cendekia Utama
Publisher : STIKES Cendekia Utama Kudus

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31596/jkm.v13i2.2765

Abstract

Low back pain yang terjadi pada bagian punggung bawah adalah rasa nyeri yang umumnya terjadi karena kerja otot yang berlebihan akibat pemberian beban kerja yang terlalu berat dengan durasi waktu pembebanan yang lama. Di Indonesia, penderita nyeri punggung dilaporkan sebanyak 7,6% - 37%. Tujuan Penelitian ini ingin menganalisis bagaimana faktor manual handling dan kelelahan kerja pada pekerja penggilingan padi di desa Bukit Peninjauan dilihat dari aspek manual handling, faktor bahaya, faktor bahaya pada lingkungan kerja, dan faktor bahaya bagi karyawan penggilingan padi. Metode pada penelitian ini yaitu penelitian kualitatif dengan pendekatan studi kasus. Subjek penelitian ini yaitu: informan utama, pekerja, informasi pemilik usaha, dan seorang informan pendukung yaitu staf desa. Teknik analisis pada pengumpulan data instrumen penelitian menggunakan pedoman wawancara dan observasi. Hasil penelitian menunjukkan bahwa pekerja penggilingan padi melakukan manual handling tanpa menerapkan teknik yang benar, seperti mengangkat beban berat secara langsung tanpa alat bantu. Beban kerja yang tinggi, postur kerja yang tidak ergonomis, serta durasi kerja yang panjang tanpa istirahat yang cukup menjadi faktor utama yang menyebabkan Low Back Pain. Lingkungan kerja juga turut berkontribusi, terutama paparan debu dan kurangnya ventilasi yang baik. Selain itu, kurangnya pelatihan terkait Keselamatan dan Kesehatan Kerja serta kebiasaan merokok juga menjadi faktor individu yang memperburuk kondisi pekerja. Penelitian ini disimpulkan bahwa faktor teknik manual handling yang tidak tepat dan beban angkat yang melebihi batas maksimal menjadi faktor penyebab terjadinya low back pain pada pekerja penggilingan padi di UD. Sari Padi Jaya.
Sosialisasi Penyakit Tuberkulosis Paru Berbasis Edukasi Faktor Risiko Lingkungan di Wilayah Kerja Puskesmas Segiri Kota Samarinda Rahmatullah, Ilham; Akbar, Sulung Alfianto; Apriyani, Apriyani; Istiarto, Istiarto; Susilawati, Rosi; Sabrina, An'nisa Dinah
Abdimas Galuh Vol 7, No 2 (2025): September 2025
Publisher : Universitas Galuh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25157/ag.v7i2.19693

Abstract

Tuberkulosis (TB) paru merupakan penyakit menular yang masih menjadi tantangan kesehatan masyarakat di Indonesia. Salah satu faktor yang memperburuk kondisi penderita TB dan meningkatkan risiko penularan adalah lingkungan tempat tinggal yang tidak sehat, seperti ventilasi buruk, kepadatan hunian, dan kebersihan yang rendah. Kegiatan pengabdian kepada masyarakat ini bertujuan untuk meningkatkan pemahaman dan kepedulian baik pada penderita TB yang sedang menjalani pengobatan maupun masyarakat sehat terhadap faktor risiko lingkungan yang berkontribusi pada perkembangan dan penularan penyakit TB paru. Kegiatan dilaksanakan di wilayah kerja Puskesmas Segiri Kota Samarinda dan diikuti oleh 50 peserta yang terdiri atas penderita TB dalam masa pengobatan serta warga sehat yang tinggal di lingkungan berisiko. Metode pelaksanaan meliputi penyuluhan melalui ceramah, kunjungan rumah (home visit), sesi tanya jawab, serta pembagian brosur edukatif tentang TB dan pengaruh lingkungan terhadap kesehatannya. Hasil kegiatan menunjukkan bahwa peserta memberikan respons positif, menyatakan memahami materi yang disampaikan, serta menyadari pentingnya menjaga lingkungan rumah untuk mendukung proses penyembuhan dan mencegah penularan. Selama kegiatan home visit, ditemukan beberapa kondisi lingkungan berisiko, seperti sirkulasi udara yang buruk dan kebersihan rumah yang kurang optimal. Kesimpulannya, sosialisasi ini efektif dalam meningkatkan kesadaran masyarakat, baik penderita maupun non-penderita TB, tentang pentingnya faktor lingkungan dalam mendukung penyembuhan dan pencegahan penularan. Diperlukan tindak lanjut berupa pemantauan berkala terhadap kondisi lingkungan rumah oleh tenaga kesehatan atau kader setempat guna mendukung upaya eliminasi TB.
Co-Authors Akbar, Sulung Alfianto Alfianto, Sulung Apriyani Apriyani Astawa, I Ketut Bambang Agus Kironoto Bambang Yulistyanto Benjamin J.B. Nanlohy Budi Wignyosukarto Corri Eriza Djoko Legono Duhita, Anselma Diksita Prajna Dwi Anung Nindito Fitriani Fitriani Gilang Bagaskara, Gilang Hariyadi, Joko Sugeng I Made Suarta Jeni Susanti Joko Sujono Made Dana Saputra Naibaho, Junser Pangadongan, Sri Evi Newyearsi Priska G. Nahak Putri, Anisa Karunia Rachmad Jayadi Rahardjo, Adam Pamudji Raharjo, Adam Pamudji Rahmatullah, Ilham Sabrina, An'nisa Dinah Setiawan, Andreas Rema Suardani, Anak Agung Putri Sumiadi, Sumiadi Susilawati, Rosi ulumuddin, Muhammad Ihya Wignyosukarto, Budi Santoso Yeri Sutopo Yuni Lestari