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All Journal Jurnal Teknik Pengairan: Journal of Water Resources Engineering Jurnal Teknologi dan Rekayasa Sumber Daya Air
Sidqi Fidari, Jadfan
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Earth & Planetary Sciences Engineering

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Hazards and Risk Assessment for Physical Hydraulic Structures of Dam Model in the Laboratory Wiyono Wit Saputra, Anggara; Rubiantoro, Prasetyo; Tri Juwono, Pitojo; Harisuseno, Donny; Sidqi Fidari, Jadfan
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol. 15 No. 2 (2024)
Publisher : Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.pengairan.2024.015.02.10

Abstract

Some workers often neglected Occupational Health and Safety (OHS) regulations in the laboratory environment, resulting in potential hazards that ultimately led to workplace accidents. The physical hydraulic model of dam structures in this laboratory involved activities that posed potential risks. Hazard assessment and the risk of workplace accidents were identified through direct field observations to pinpoint potential risks associated with these activities. Questionnaires and interviews with personnel involved in laboratory activities, including workers and technicians, were conducted to gather relevant data concerning the research problem. This study aimed to identify potential risks and hazards using a Job Safety Analysis approach and to assess the risks associated with each activity stage. Risk levels at various stages of work were determined through job safety analysis within the OHS management system. Risk identification encompassed impacts on individuals, equipment, materials, and the environment. The highest high-risk and moderate-risk identified from the assessment are the demolition of the previous dam model in the site preparation step and the preparation of the electric water pump with a capacity of 100 l/second in the running stage. Generally, based on the identified risk categories, risk mitigation for dam model testing work in the laboratory included using Personal Protective Equipment (PPE) such as ear protection, masks, helmets, safety shoes, and gloves to prevent work-related accidents.
Hazards and Risk Assessment for Physical Hydraulic Structures of Dam Model in the Laboratory Wiyono Wit Saputra, Anggara; Rubiantoro, Prasetyo; Tri Juwono, Pitojo; Harisuseno, Donny; Sidqi Fidari, Jadfan
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol. 15 No. 2 (2024)
Publisher : Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.pengairan.2024.015.02.10

Abstract

Some workers often neglected Occupational Health and Safety (OHS) regulations in the laboratory environment, resulting in potential hazards that ultimately led to workplace accidents. The physical hydraulic model of dam structures in this laboratory involved activities that posed potential risks. Hazard assessment and the risk of workplace accidents were identified through direct field observations to pinpoint potential risks associated with these activities. Questionnaires and interviews with personnel involved in laboratory activities, including workers and technicians, were conducted to gather relevant data concerning the research problem. This study aimed to identify potential risks and hazards using a Job Safety Analysis approach and to assess the risks associated with each activity stage. Risk levels at various stages of work were determined through job safety analysis within the OHS management system. Risk identification encompassed impacts on individuals, equipment, materials, and the environment. The highest high-risk and moderate-risk identified from the assessment are the demolition of the previous dam model in the site preparation step and the preparation of the electric water pump with a capacity of 100 l/second in the running stage. Generally, based on the identified risk categories, risk mitigation for dam model testing work in the laboratory included using Personal Protective Equipment (PPE) such as ear protection, masks, helmets, safety shoes, and gloves to prevent work-related accidents.
Analisa Genangan Banjir Sungai Gembong Pasuruan Menggunakan Aplikasi Hec-Ras 2D Muhammad, Aulia; Harisuseno, Donny; sidqi fidari, jadfan
Jurnal Teknologi dan Rekayasa Sumber Daya Air Vol. 4 No. 1 (2024): Jurnal Teknologi dan Rekayasa Sumber Daya Air (JTRESDA)
Publisher : Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jtresda.2024.004.01.064

Abstract

Banjir merupakan keadaan dimana suatu daerah tergenang air dalam jumlah yang besar, Sungai Gembong merupakan sungai yang membelah Kota Pasuruan dan pada tahun 2008 terjadi banjir ekstrim dengan kala ulang 25 tahun yang membuat fasilitas umum dan pemadaman listrik sementara. Mengingat pentingnya Sungai Gembong untuk kehidupan di Kota Pasuruan, studi ini dimaksudkan untuk mendapatkan informasi mengenai debit banjir yang terjadi, luas genangan banjir dan kondisi penampang dengan debit banjir kala ulang 25 dan 50 tahun. Data yang dibutuhkan untuk melengkapi studi ini antara lain adalah data hujan, data debit maksimum, data DEM, dan data penampang Sungai Gembong. Studi ini dimulai dengan analisis kualitas data hujan lalu merubah data hujan menjadi debit banjir rancangan dengan kala ulang 25 dan 50 tahun, lalu dilakukan pemodelan di aplikasi HEC-RAS untuk mendapatkan sebaran genangan banjir DAS Gembong. Pemodelan hidraulik menggunakan HEC-RAS 6.2 dengan Analisa 2D dengan simulasi unsteady flow kala ulang 25 dan 50 untuk mengetahui luas genangan di DAS Gembong. Dari analisa hidrologi didapatkan debit banjir dengan metode Hidrograf Satuan Sintetik Nakayasu sebesar Q25th = 125.32 m3/det dan Q50th = 142.442 m3/det dan total luas genangan yang terjadi pada Q25th dan Q50th adalah sebesar 158.44 ha, dan 170.11 ha
Co-Authors Donny Harisuseno Muhammad, Aulia Rubiantoro, Prasetyo Tri Juwono, Pitojo Wiyono Wit Saputra, Anggara