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Journal : Jurnal Indonesia Sosial Teknologi

Maintenance Strategy for the Muliama-Wa2e-Makki Road Section in Jayawijaya Regency, Papua Province, Highlands Komba, Elias; Bahtiar, Bahtiar; Rante, Harmonis; Mujiati, Mujiati; Ana Rusim, Dewi
Jurnal Indonesia Sosial Teknologi Vol. 5 No. 3 (2024): Jurnal Indonesia Sosial Teknologi
Publisher : Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59141/jist.v5i3.964

Abstract

In Jayawijaya Regency, there are several prioritized road sections, including national, provincial, and district roads. The Muliama-Wame-Makki road section is classified as a provincial road serving as an alternative route, with a total length of 22 kilometers connecting Jayawijaya Regency and Lanni Jaya Regency. The traffic on this road is quite heavy with a diverse composition (Mixed Traffic). An analysis using the Pavement Condition Index (PCI) was conducted based on field survey data, including measurements of the extent, types, and quantities of surface damage per 200 meters along each road segment. The types of damage observed on the Muliama-Wame-Makki road section include patching, longitudinal cracks, alligator cracking, and pavement subsidence, with a total damage percentage of 1.684%. The maintenance strategy is determined based on the PCI calculation and Bina Marga method, suggesting that routine maintenance is sufficient for addressing the observed issues.
Overview of the Influence of Land Use Change and Sediment Control Structures on Sedimentation in Lake Sentani Ngutra, Laorens Miehell; Mujiati, Mujiati; Rante, Harmonis; Julison, Bernathius; Awaluddin, Duha; Rusim, Dewi Ana
Jurnal Indonesia Sosial Teknologi Vol. 5 No. 12 (2024): Jurnal Indonesia Sosial Teknologi
Publisher : Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59141/jist.v5i12.1254

Abstract

Under Presidential Decree No. 60 of 2021, on National Priority Lakes Rescue, Lake Sentani is one of 15 priority lakes to be rescued. In the annex to the President's regulation, it is mentioned to date about 90 tons or ± 5 m/year of sediment entering Lake Sentani with a total count of 62,0679.78 tonnes/year entering lake Sentani, with a storage capacity of 1,782 billion/m3. The water supply of Lake Sentani is obtained from the supply of 14 large and small rivers. With a slope inclination between 0% - 40% of the amount of sediment transported during the rainy season causes the decline in water quality and the high erosion that occurs. This study aims to find out the impact of land-use change and the effect of sediment control buildings on the number of sediments that enter Lake Sentani. From the results of the analysis the impact of land use change before the construction of the sediment control building based on the analysis carried out by the Papua River Regional Hall the known potential sedimentation rate is of 0.6 mm/th whereas the potential sedmentation rate analysed after the existence of the building of the Sediment Controller is of 0.012 mm /year. This indicates a change in the rate of potential Sedimentation entering the lake of sentani affected by the building sediment operator. When it rains with repeated flooding Q20, Q25, Q50 and Q100 years with conditions of 1 (one) sediment control building so that it can be judged to be a very heavy erosion class with land loss of more than 280 tons/ha/years with a potential sedimentation rate thickness between 2.55 mm/years to 2.85mm/years.
Evaluation of the Performance of Dams and Irrigation Networks in the Kalibumi Irrigation Area in Nabire Regency Waroi, Maria Joy; Mujiati, Mujiati; Rante, Harmonis; Julison, Bernathius; Awaluddin, Duha; Ana Rusim, Dewi
Jurnal Indonesia Sosial Teknologi Vol. 5 No. 12 (2024): Jurnal Indonesia Sosial Teknologi
Publisher : Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59141/jist.v5i12.1255

Abstract

Development of irrigation district (DI) in Nabire district began from 1972/1973 until 2014 the government carried out is 6400 ha. The purpose of this study is to eval_uate the performance of the wells and networks of the irrigation areas of the calibumi. The results of this study are known that the performance of Nabire's wells and irrigation networks that have been awakened is still in low performance and require attention with the overall value of 64.74% consisting of the performance value of the physical Prasarana 24.34%, plant productivity 9.86%, the supporting networks 3.33%, the Organization of Personnel 9.18%, Documentation 2.74% and P3A/GP3A / IP3A 5.37% This indicates that the existing operating and maintenance system is still very poorly in accordance with the Regulation of the Minister of Public Works and People's Housing No. 12/PRT/M/2015 on the Exploitation and Maintenance of Irrigation Networks as assessed using the e-PAKSI application.
Risk Management in the Implementation of the Occupational Safety and Health System (SMK3) in the PLN Maluku and Papua Substation Project Palik, Yunita; Rusim, Dewi Ana; Mujiati, Mujiati; Julison, Bernathius; Bahtiar, Bahtiar; Kurniatullah, Duha Awaluddin
Jurnal Indonesia Sosial Teknologi Vol. 5 No. 8 (2024): Jurnal Indonesia Sosial Teknologi
Publisher : Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59141/jist.v5i8.1290

Abstract

This research involves several PLN substation projects in the Maluku and Papua regions. The subject of this study consisted of 25 respondents, namely 1 Project Manager, HSE Engineer and project supervisor. The questionnaire that has been given is then analyzed using the severity index method. The results of K3 risk identification on 44 risk variable indicators with high variables are found in the categories of product purchase and control, work safety in SMK3 and monitoring standards. The highest level of K3 risk to cost performance in substation construction projects in Maluku and Papua is the specification of the purchase of goods and services, the verification system of purchased goods and services, emergency planning and recovery, and labour health monitoring. The allocation of K3 risk in substation construction projects in Maluku and Papua is the most allocated risk shared between the owner and the contractor. The most K3 risk response is by holding and partially allocating to the owner by transferring. Recommendations for mitigation of K3 risks in substation construction projects in Maluku and Papua are by preparing procedures for work steps/related documents that are jointly supervised between the owner and owner. Then it is necessary to form an organization related to K3 that will be responsible for emergencies, work accidents and monthly reporting to the local Manpower Office.
Feasibility Analysis of the Bonto River, Tomon 1 Village, Dekai District, Yahukimo Regency as a Source of Raw Water Julison, T. Bernathius; Mujiati, Mujiati; Azis, Amaliah; Setiawan, Firman; Ayomi, Anastasya Coria
Jurnal Indonesia Sosial Teknologi Vol. 5 No. 12 (2024): Jurnal Indonesia Sosial Teknologi
Publisher : Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59141/jist.v5i12.1383

Abstract

Rivers are one of the sources of water for the life of living things. Rivers are often used in various ways by humans. The Bonto River is one of the rivers in Yahukimo Regency that is used as raw water for drinking water. In order to meet the need for clean water, it is necessary to analyze the water quality of the Bonto River. Determining the source of raw water in an area is the first step in determining the location or place as a raw water supplier for clean water treatment purposes.  The purpose of this study is to identify the water quality of the Bonto river and evaluate the condition of the Bonto river water with the water quality standards that have been set to be used as an alternative source of raw water for clean water treatment. Water sampling in this study was carried out by observation and measurement directly in the field, and laboratory tests. Raw water quality data is compared to the current raw water and drinking water quality standards. The water quality standards used are the Decree of the Minister of Health of the Republic of Indonesia Number: 492/MENKES/SK/IV/2010, dated April 19, 2010 concerning the Terms and Conditions and Supervision of Drinking Water Quality, and in accordance with the water quality requirements. Each sample of water and sediment is examined in the laboratory to be analyzed according to its needs, namely regarding water quality. Testing of water quality samples was carried out at the Papua Regional Health Laboratory Center.
Optimization of Water Purification Infrastructures in Supiori Regency Sawaki, Markus; Widyastuti, Ira; Awaludin, Duha; Julison, Bernathius; Mujiati, Mujiati
Jurnal Indonesia Sosial Teknologi Vol. 5 No. 10 (2024): Jurnal Indonesia Sosial Teknologi
Publisher : Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59141/jist.v5i10.5335

Abstract

Clean water is one of the important aspects that must be prioritized in urban planning. The higher the standard of living of the community, the need for clean water will also increase. However, the fulfillment of adequate clean water needs in Supiori Regency is still not optimal. Based on the Minister of Public Works Regulation No. 14/2010, the coverage of drinking water services in Supiori Regency is classified as poor, with a clean water service level of less than 50%. Optimization efforts are needed to optimize and distribute clean water services in Supiori Regency meet the target of clean water services and create a sustainable community life. The research method uses three types of analysis. First, the ratio of clean water services in the settlements of Supiori Regency was analyzed using a calculation method that refers to the standard of clean water needs and availability. Second, the analysis of clean water services was conducted based on community perceptions. Third, this study analyzed the factors that influence clean water services using multiple linear regression. Descriptive analysis was used to identify optimization steps. The results showed that the ratio of clean water services in South Supiori District only reached 30.38%, while in East Supiori District, it was lower, at 19.78%. Based on community perceptions, 93% of the population in South Supiori District and 75% in East Supiori District have not used the Water Supply System. Regression analysis shows that in Supiori Selatan District, factors affecting clean water services include pipe distance, community participation, and number of family members. In East Supiori District, the influencing factors are pipe distance, management, and maintenance of clean water. So, there are optimization efforts that can be done, among others, through mapping services based on regional conditions. For areas that are difficult to reach by SPAM services, the community can utilize the nearest water source to meet their clean water needs independently.
Study on Optimization of Availability and Demand for Clean Water at Regional Drinking Water Companies (PDAM) in Jayapura City Kurniawan, Dwi Cahya; Mujiati, Mujiati; Rusim, Dewi Ana; Widyastuti, Ira; Rante, Harmonis
Jurnal Indonesia Sosial Teknologi Vol. 5 No. 11 (2024): Jurnal Indonesia Sosial Teknologi
Publisher : Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59141/jist.v5i11.7030

Abstract

PDAM Jayapura is a government agency that operates in the field of providing drinking water services, apart from being a profit institution, it is also a social institution. PDAM Jayapura is tasked with providing clean water for the Jayapura City and Jayapura Regency areas. This research aims to identify the existing condition of the Jayapura City PDAM drinking water distribution system, analyze the availability, needs, and installed (distribution network) clean water needs in Jayapura City, and conduct an analysis of other alternatives in meeting Clean Water Needs in Jayapura City. The results of this research show that the coverage of clean water services by Jayapura City PDAM is still below national standards, using technological innovation to monitor and control the clean water distribution network system in real-time using sensor technology installed at each network point to identify and repair leaks quickly, based on the results of the planet 2.0 analysis, several parts of the pipe have very small velocities, therefore, the discharge coming out of the pipe is very small. The solution that can be made is to reduce the dimensions of the existing pipe so that the flow speed can be met and also by adding water pumps at various points that have a water speed of 0 m/s so that the water in the pipe can flow properly.
The Capacity Evaluation and Storage Strategy of Tami Weir's Sludge Bag for Irrigation Water Demand Winarno, Winarno; Mujiati, Mujiati; Rusim, Dewi Ana; Bahtiar, Bahtiar; Rante, Harmonis
Jurnal Indonesia Sosial Teknologi Vol. 5 No. 11 (2024): Jurnal Indonesia Sosial Teknologi
Publisher : Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59141/jist.v5i11.7032

Abstract

Tami Weir is one of the weirs that has a vital role in human life. Sandtraps have an essential role in the operation of Tami bending. The objective of the evaluation and strategy for holding the Tami Weir sandtrap for irrigation water needs is to know the capacity of the Tami Weir sandtrap, the operation of the Tami Weir sandtrap, and the performance of the Tami Weir sandtrap. The method and technique for collecting data in this research is that data analysis is carried out after all the data has been collected. The results are adjusted to the purpose of writing and presented as conclusions. The results of this research are the capacity of the sandtrap during the flushing period, namely that a sediment volume of 73,134 m3 was obtained with a flushing time of fourteen (14) days. During deposition in mud pockets, the water speed will increase, and the deposition process will begin to decrease; at that time, the sediment will enter the channel. To overcome this situation, the sandtrap must be drained. The performance of the sandtrap at Tami Dam has decreased, where there is much alluvial sediment. The performance of sandtrap at Tami Weir cannot operate correctly due to the large number of sediment deposits, which are as high as the drain gate's threshold, making hydraulic draining impossible
Landslide potential is reviewed from the characteristics of the physical properties and strong shear of the avalanche material on the Arso-Waris National Road Sander, Alex; Kurniatullah, Duha Awaluddin; Rusim, Dewi Ana; Mujiati, Mujiati; Bahtiar, Bahtiar
Jurnal Indonesia Sosial Teknologi Vol. 5 No. 11 (2024): Jurnal Indonesia Sosial Teknologi
Publisher : Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59141/jist.v5i11.7051

Abstract

There are many landslide points on the Arso-Waris National road, so it is necessary to conduct research on the potential for landslides from the physical and shear strength properties. The analysis method uses Slope/W software from GeoStudio, using the Bishop and Fellenius analysis method. The results of the study on 4 points along the Arso-Waris section, showed that with a decrease in the value of the shear strength parameter, both the cohesion value (average decrease of 69.91%) and the value of the shear angle (average decrease of 92.77%) in the reverse analysis resulted in a decrease in the value of the safety factor score by 71.5% (Bishop Method) and 71.11% (Fellenius Method). The value of the smallest (critical) safety factor is 0,498, located at point 4 KM.105+193 in combination loading, by using Fellenius method. Changes in physical properties and shear strength have the potential to reduce safety factor so that there is potential for landslides.
Determination Of Subsurface Aquifers and Distribution of Groundwater Table Depth in Wamena City, Jayawijaya Regency, Mountainous Papua Province Feril Hattu, Raymond; Mujiati, Mujiati; Awaluddin, Duha; Widyastuti, Ira; Ana Rusim, Dewi; Julison, Bernathius
Jurnal Indonesia Sosial Teknologi Vol. 5 No. 12 (2024): Jurnal Indonesia Sosial Teknologi
Publisher : Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59141/jist.v5i12.8815

Abstract

This study was conducted to determine the existence of subsurface aquifers and the distribution of groundwater-surface depth in Jayawijaya Regency, Mountainous Papua Province. The background of this research is the need for optimal groundwater management in areas with high topography such as Wamena City. The method used was a geophysical survey with the Wenner-Schlumberger configuration resistivity geoelectric technique to identify the aquifer layer. Primary data was obtained through direct measurements using geoelectric devices and GPS, while secondary data was obtained from related literature. The results showed that there were free aquifers with a depth of 25-105 meters and depressed aquifers at a depth of 145-270 meters in various research locations. The distribution of this aquifer is highly dependent on local geological conditions, with the availability of groundwater quite high in some areas and minimal in other areas such as Kampung Sabulama and Wasawa. In conclusion, the resistivity geoelectric method is effective for mapping the distribution of aquifers, which can further be used as a basis for groundwater management in the study area.