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Cerucuk. Prodi S1 T. Sipil.
Published by Universitas Lambung Mangkurat
ISSN : 25801295     EISSN : 25500155     DOI : -
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture
Jurnal internasional bidang teknik sipil seperti : sumberdaya air, struktur bangunan, mekanika tanah, transportasi dan manajemen konstruksi.
Arjuna Subject : -
Articles 81 Documents
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EROSION AND SEDIMENTATION ANALYSIS IN CEMPAKA AND GUNUNG KUPANG RESERVOIRS USING THE USLE METHOD IN CEMPAKA DISTRICT, BANJARBARU CITY Fernanda, Joan Anthoni; Novitasari, Novitasari; Sofia, Elma
CERUCUK Vol 9, No 3 (2025): CERUCUK VOL. 9 NO. 3 MARCH 2025
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/crc.v9i3.15010

Abstract

Floods are one of Indonesia's most frequent natural disasters, especially in densely populated cities. Major floods in February 2023 hit Cempaka and Gunung Kupang Districts. To overcome this problem, the government built the Cempaka Embung and the Gunung Kupang Embung to control flooding and increase water infiltration into the ground. Land use changes upstream of the reservoir greatly affect the reservoir, especially land erosion and sedimentation that enter the reservoir body, which will reduce the performance of the reservoir in reducing flooding. Therefore, erosion and sedimentation analysis is needed to support better management in flood control in Cempaka District. The data used in this study are land use data, soil type data, topographic data, conservation data, and location photos are secondary data. In this study, the rate of erosion and sedimentation was calculated using the USLE method. Based on the results of the analysis, it was found that the erosion rate of the USLE method in the Cempaka Reservoir was 131.934 tons/ha/year, and the sediment rate was 38.0765 tons/ha/year. In the Gunung Kupang Reservoir, the USLE method erosion rate was 18,790 tons/ha/year, and the sediment rate was 6,057 tons/ha/year.Keywords: Watershed Erosion, Reservoir Sediment, USLE, Reservoir
ANALYSIS OF WATER AVAILABILITY IN THE KAMPUNG BANJAR RESERVOIR AND KEBUN RAYA RESERVOIR IN BANJARBARU CITY FOR MEETING WATER NEEDS Alifa, Salsabila Zata; Novitasari, Novitasari; Sofia, Elma
CERUCUK Vol 9, No 4 (2025): CERUCUK VOL. 9 NO. 4 APRIL 2025
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/crc.v9i4.15015

Abstract

The Kampung Banjar Reservoir and Kebun Raya Reservoir were built to address the disrupted water catchment areas caused by land clearing for the development of the South Kalimantan Province Government office area in Banjarbaru. These two reservoirs are planned to function as water catchment areas, water tourism destinations, and raw water sources within the office areas. The water availability in the reservoirs is expected to remain stable. Therefore, a study on the water availability analysis of both reservoirs is necessary to ensure that the stored water can be utilized optimally and sustainably, particularly for tourism purposes. The research methodology includes data collection, data analysis, results, and discussion. The analysis phase involves evapotranspiration analysis, water availability analysis using the F. J. Mock method, and dependable flow analysis. Based on the flow simulation calculations using the F. J. Mock method, a 90% dependable flow was selected for raw water rEquationuirements. The largest dependable flow occurs in December, with a flow value of 0.1557 m³/second for the Kampung Banjar Reservoir and 0.2028 m³/second for the Kebun Raya.  Keywords: Water Availability, Dependable Flow, Kampung Banjar Reservoir, Kebun Raya Reservoir.
Risk Analysis in the Implementation of Phase II Development Project of the South Kalimantan Provincial Social Service Office Noor, Athafa'iq Mufadhadal; Karim, Abdul
CERUCUK Vol 9, No 2 (2025): CERUCUK VOL. 9 NO. 2 FEBRUARY 2025
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/crc.v9i2.14840

Abstract

In its implementation, construction projects increase yearly due to the high demand for infrastructure such as buildings, roads, and bridges. These projects are not free from risks that can affect cost, time, and quality. This study focuses on the Phase II Development Project of the South Kalimantan Provincial Social Services Office to analyze potential risks. The research method employs a quantitative approach by analyzing Probability and Impact data using the Severity Index. The results are applied to the Probability and Impact Matrix to identify dominant risks and categorize them based on the risk acceptance scale. The findings reveal 12 valid risk variables, with 10 risks categorized as medium and 2 as high. The study provides risk response recommendations to mitigate impacts on the project. Keywords: Risk analysis, Severity Index, Probability and Impact Matrix, dominant risk variable.
ANALYSIS OF OVERTIME WORK PRODUCTIVITY AND WAGE SUITABILITY IN THE WORKFORCE OF THE BANJARMASIN-MARTAPURA ROAD RECONSTRUCTION PROJECT SECTION II Badarudin, Ahmad; Yuliana, Candra
CERUCUK Vol 9, No 3 (2025): CERUCUK VOL. 9 NO. 3 MARCH 2025
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/crc.v9i3.15011

Abstract

In an effort to meet the deadline for the Banjarmasin – Martapura Road Reconstruction Project Section II, the implementing party often accelerates the schedule by implementing an overtime work system. To determine the labor productivity of the Banjarmasin – Martapura Road Reconstruction Project Section II, this study uses the partial productivity method. This method compares the time used per day as the input value with the amount of work produced each day as the output value.The results of the calculation obtained from the productivity analysis using a partial approach are obtained that the average productivity of normal working hours in paving work is 15,923 m3/hour and in road shoulder casting work is 1,877 m3/hour. The average productivity of overtime working hours for paving work was 16,285 m3/hour and for casting work was 2,190 m3/hour. From the results obtained, it is known that the productivity value of overtime working hours is greater than the productivity of normal working hours, this is due to obstacles that occur, namely the asphalt and concrete production process from AMP (Asphalt Mixing Plant) which is late because the engine that often breaks down is also because this road project is in the middle of a dense community so that the material process to the location often experiences delays. By implementing overtime working hours, the labor wage budget increased by 86.717%. However, the amount of overtime wages implemented by the Banjarmasin – Martapura Road Reconstruction Project Section II is not in accordance with the amount of wages according to the provisions of Government Regulation No. 35 of 2021. Keywords: Partial productivity, overtime work, overtime wages, labor
ANALYSIS OF WATER AVAILABILITY IN CEMPAKA RESERVOIR AND GUNUNG KUPANG RESERVOIR FOR FLOOD CONTROL IN CEMPAKA DISTRICT BANJARBARU CITY Danianty, Rahma; Novitasari, Novitasari; Sofia, Elma
CERUCUK Vol 9, No 4 (2025): CERUCUK VOL. 9 NO. 4 APRIL 2025
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/crc.v9i4.15016

Abstract

During the rainy season, the Cempaka District in Banjarbaru City frequently experiences flooding. One of the government's efforts to mitigate flooding is the construction of reservoirs in the upstream area of Cempaka District, namely the Cempaka Reservoir and the Gunung Kupang Reservoir. Therefore, it is essential to conduct a study on the water availability in these reservoirs. The results of the water availability analysis show that the highest discharge for the Cempaka Reservoir is 1,032 m³/s, while the Gunung Kupang Reservoir records 0,378 m³/s. The largest dependable discharge is 1,07 m³/s for the Cempaka Reservoir and 0,39 m³/s for the Gunung Kupang Reservoir. Keywords: Water Availability, Dependable Discharge, Cempaka Reservoir, Gunung Kupang Reservoir
SCHEDULING ANALYSIS USING THE PRECEDENCE DIAGRAM METHOD (PDM) METHOD IN THE PHASE II BRIDGE CONSTRUCTION PROJECT IN PEJAMBUAN VILLAGE, SUNGAI TABUK DISTRICT, BANJAR REGENCY, SOUTH KALIMANTAN Pinanggi, Alfisyah Oktarina; Karim, Abdul; Widiastuti, Endah
CERUCUK Vol 9, No 2 (2025): CERUCUK VOL. 9 NO. 2 FEBRUARY 2025
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/crc.v9i2.14841

Abstract

In its implementation, starting from the planning stage, the implementation of scheduling, to the supervision and implementation of good controls, construction projects need to be well managed in their work. In the process of Building the Phase II Bridge Project in Pejambuan Village, Sungai Tabuk District, there was a slight delay in the eighth week due to equipment damage and delays in the material supply mobilization process. This project only has a time schedule in the form of an S Curve which is not helpful in controlling work in the field.This study aims to analyze scheduling using  the Precedence Diagram Method (PDM) method assisted by the Microsoft Project 2021 application and identify critical and non-critical paths of work so that the implementation of the project can be carried out with an effective duration.Based on the results of the analysis of this study, the total duration of work is 138 working days with the total duration of work calculated using calendar days for 174 days, and the total duration of project realization is 180 calendar days. CV planning calculation. Al Fatih Karya is scheduled to be completed by September 30, 2024, while scheduling with the PDM method is completed by September 24, 2024. The critical trajectory in the results of this analysis is found in 13 activities starting from ordinary excavation work and ending with the installation of bridge nameplates. Keywords : Bridge, Microsoft Project 2021, Scheduling, Delay, PDM
ANALYSIS OF HEAVY EQUIPMENT PRODUCTIVITY IN ASPHALT PAVING WORK ON THE WANARAYA ROAD RECONSTRUCTION PROJECT Ramadani, Wahyu Nofrian; Yuliana, Candra
CERUCUK Vol 9, No 3 (2025): CERUCUK VOL. 9 NO. 3 MARCH 2025
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/crc.v9i3.15012

Abstract

The reconstruction of Wanaraya Road is very important for the people of Wanaraya especially the economic impact because most of the livelihood of its citizens is as farmers and citrus fruit gardeners. This study's objective is to examine the contrast of heavy equipment productivity and the duration of paving work calculated using the Minister of PUPR Regulation no.8 of 2023 with analysis based on realization in the field and analyzing influencing factors in paving work. The method used in the analysis of heavy equipment productivity is time study. Time study is a method of measuring the productivity of the workforce in the field by determining the standard time for a job            The findings from the examination of the heavy equipment theory productivity in paving work are asphalt plant facility  (AMP) 262.5 tons/day, Truk pengangkut material by 274.65 tons/day, Asphalt Finisher amounting to 711.65 tons/day, Tandem Roller 317.8 tons/day, and pneumatic tire rollers of 392.4 tons/day. The value of heavy machinery in terms of productivity for paving work based on theory is 262.5 tons/day with a work duration of 5 (five) days. Meanwhile, according to the field's analysis, the value of productivity of all heavy equipment is 105.48 tons/day with a duration of paving work for 18 (eighteen) working days. The factors that affect the productivity of heavy equipment in this study are the availability of materials, the state of the heavy equipment used, as well as the weather. Keywords: Productivity, Heavy Equipment, Work Duration, Paving, Factors Affecting
ANALYSIS OF EROSION AND SEDIMENTATION RATES AT KEBUN RAYA BANUA RESERVOIR AND KAMPUNG BANJAR RESERVOIR USING THE USLE METHOD Maulidayanti, Sri; Novitasari, Novitasari; Sofia, Elma
CERUCUK Vol 9, No 4 (2025): CERUCUK VOL. 9 NO. 4 APRIL 2025
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/crc.v9i4.15017

Abstract

The Kebun Raya Banua Reservoir and Kampung Banjar Reservoir serve as water retention areas and tourist attractions within the South Kalimantan Provincial Government office complex. Erosion and sedimentation can have detrimental impacts on these reservoirs, necessitating this study to determine the erosion and sedimentation rates of both. This research utilizes various data, including rainfall data, soil type data, topographic data, crop management data, and soil conservation data. The Universal Soil Loss Equation (USLE) method was employed to calculate erosion and sedimentation rates. Analysis results indicate that the Kebun Raya Banua Reservoir experiences an erosion rate of 79,486 tons/ha/year and a sedimentation rate of 25,980 tons/ha/year. Conversely, the Kampung Banjar Reservoir exhibits an erosion rate of 8,779 tons/ha/year and a sedimentation rate of 2,954 tons/ha/year. Keywords: Erosion, Sedimentation, USLE, Reservoir
THE EFFECT OF PILE CROSS-SECTION AREA AND STRAIGHTNESS ON FRICTION CAPACITY IN SOFT CLAY SOIL BASED ON LABORATORY MODEL SCALE Nur Andhiska, Muhammad Adam; Rusdiansyah, Rusdiansyah
CERUCUK Vol 9, No 2 (2025): CERUCUK VOL. 9 NO. 2 FEBRUARY 2025
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/crc.v9i2.14842

Abstract

The bearing capacity of a foundation is influenced by the diameter and straightness of the pile because the bearing capacity is highly dependent on the resistance of the pile tip and the resistance of the pile cover and the shape of the pile affects the strength of the foundation. Therefore, the purpose of this study was to determine the value of the bearing capacity of the pile foundation on the cross-sectional area and the effect of pile misalignment.The method used in this study is the descriptive analysis method. Data were collected from laboratory tests with a comparison of the field scale. The manufacture of pile test specimens with each variation was 10%, 25%, 50%, and 75%.From the test results, the variation in the cross-sectional area affected the bearing capacity value which increased as the variation in the cross-sectional area increased. As for the test results, the variation in the straightness of the pile affected the bearing capacity value which decreased as the variation in the pile misalignment increased.Keywords:bearing capacity, cross-sectional area, straightness, clay soil, laboratory tests, piles.
ANALYSIS OF THE IMPACT OF CROSS-SECTIONAL MODIFICATION ON THE FLOOD POTENTIAL OF GUNTUNG PAYUNG RIVER USING HEC-RAS SOFTWARE Pernanda, Yogie Setiawan; Nashrullah, Eddy
CERUCUK Vol 9, No 3 (2025): CERUCUK VOL. 9 NO. 3 MARCH 2025
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/crc.v9i3.15013

Abstract

The Guntung Payung River in Banjarbaru City has undergone a structural cross-section modification from a box culvert to a bridge to address flooding caused by the inability of the existing cross-section to accommodate peak rainfall discharge. This study employed a Steady Flow 1D hydraulic simulation using HEC-RAS version 6.5 to analyze the impact of structural cross-section changes on water surface elevation and flood inundation area. The data used included river cross-section measurements, maximum daily rainfall over the past 20 years, and a Digital Elevation Model (DEM) map. The design discharge was calculated using the Rational Method for return periods of 2, 5, 10, 20, and 25 years. The results indicated that, for a 25-year return period, the water surface elevation at the downstream section (STA 0+190.75) decreased from 5.05 m to 3.75 m, and the inundation area was reduced by 61.15%. Conversely, the upstream section (STA 0+3116) showed no significant changes in water surface elevation or inundation area. These results indicate that the cross-section structure change is more effective in reducing flood potential downstream but does not impact the upstream area. Keywords: Guntung Payung River, HEC-RAS, Steady Flow 1D, cross-section structure change, water surface elevation, inundation area.

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