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All Journal Jurnal Infrastruktur Cerucuk. Prodi S1 T. Sipil.
Hafi, Muhammad
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Civil Engineering, Building, Construction & Architecture Transportation

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ANALYSIS OF PACINAN RIVER NORMALIZATION CONSIDERING RIVER MOUTH CONSTRICTION USING HEC-RAS SOFTWARE Hafi, Muhammad; Sofia, Elma; Novitasari, Novitasari
CERUCUK Vol 10, No 1 (2026): CERUCUK VOL. 10 NO. 1 JANUARY 2026
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/crc.v10i1.18099

Abstract

The Pacinan River in the Veteran Road area, spanning 1,392 meters, plays a crucial role as the main drainage channel. However, over time, it has encountered issues such as pollution, siltation from sedimentation, and narrowing due to construction. The reduced capacity of the river has caused rainwater not to flow improperly, leading to flooding around roads and residential areas. This study aims to analyze the normalization of the Pacinan River to prevent overflow using HEC-RAS software. The analysis includes hydrological aspects, such as rainfall frequency analysis and planned flood discharge using rational method for recurrence intervals of 2, 5, 10, and 25 years, as well as hydraulic analysis covering river cross-sections and dredging volumes through 1D Unsteady Flow simulations. The research results indicate that the planned flood discharge values for recurrence intervals of 2, 5, 10, and 25 years at the Pacinan River range from 1,28 m³/s to 2,15 m³/s. Based on HEC-RAS simulations, the depth of the Pacinan River before normalization ranged from 0,89 to 1,7 meters, with a cross-sectional width between 2,8 and 27,8 meters. After normalization was performed without changing the river's cross-sectional width, the river depth increased to between 1,83 and 1,86 meters.Keywords: River Normalization, Estuary Narrowing, HEC-RAS, Pacinan River
ANALISIS KUALITAS AIR SEBAGAI DASAR PEMANFAATAN PADA LAHAN PERTANIAN DESA SABUHUR KABUPATEN TANAH LAUT Sofia, Elma; Fitriati, Ulfa; Ma'ruf, Muhammad Afief; Nashrullah, Eddy; Hafi, Muhammad
Jurnal Infrastruktur Vol. 12 No. 1 (2026): Jurnal Infrastruktur
Publisher : Jurnal Infrastruktur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/w8j6y249

Abstract

Agriculture is a crucial sector in Indonesia’s economic development. It provides food for the population, feed and energy resources, and serves as a primary source of livelihood for rural communities. To enhance rice production, one key government program is the development of irrigation networks. These networks play a vital role in agriculture and directly impact both the quality and quantity of rice yields. Regions with natural resources that are suitable for tidal or swamp irrigation systems are continually evaluated and developed. These areas are used for agriculture, aquaculture, and water transportation. This study analyzes water quality to determine its suitability for agricultural use as outlined in Government Regulation No. 22 of 2021. Parameters measured include field assessments of physical water quality using the U-50 HORIBA multi water quality checker. These parameters cover temperature, acidity, electrical conductivity, dissolved oxygen, and total dissolved solids. The research site is Sabuhur Village, Jorong District, Tanah Laut Regency, South Kalimantan Province. Measurements of physical and chemical water quality show that water conditions in agricultural land and nearby rivers or ponds are within acceptable ranges to support farming. This condition confirms that the surrounding aquatic environment does not pose significant constraints on plant growth and instead serves as a key factor in agricultural productivity. Thus, the water at the research site is suitable for agricultural use. However, further research is needed on soil characteristics, both physical and chemical.
Co-Authors Eddy nashrullah Elma Sofia, Elma Ma’ruf, Muhammad Afief Novitasari Novitasari Ulfa Fitriati