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All Journal Jurnal Ilmiah Universitas Batanghari Jambi JURNAL SUMBER DAYA AIR Journal of Sustainable Civil Engineering (JOSCE) Menara: Jurnal Teknik Sipil Jurnal Komposit : Jurnal Ilmu-Ilmu Teknik Sipil International Journal of Civil Engineering and Infrastructure (IJCEI)
Sembiring, Kristina
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Agriculture, Biological Sciences & Forestry Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Environmental Science Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Transportation

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Penerapan Sistem Manajemen Keselamatan dan Kesehatan Kerja (SMK3) pada Proyek Konstruksi Gedung di Kawasan Inti Pusat Pemerintahan Ibu Kota Negara (IKN) Laksono, Arvidya Esta; Priyambodo, Bambang; Naibaho, Pio Ranap Tua; Sembiring, Kristina
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 9 No. 2 (2025)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v9i2.20136

Abstract

The implementation of the Occupational Safety and Health Management System (SMK3) in construction projects is an absolute necessity considering the high potential risk of work accidents. This study aims to evaluate the extent to which SMK3 is implemented in the construction project of the POLRI and BIN Flats (Rusun) in the Core Area of ​​the Government Center (KIPP) of the National Capital City (IKN). The research method used is a quantitative approach by distributing questionnaires to 106 respondents consisting of project managers, supervisors, and field workers. The results of the analysis show that the average level of SMK3 implementation is in the good category (mean = 4.06 on a scale of 5). The highest indicators are in the safety culture aspect and the role of the K3 manager. However, there are still challenges in the logistics and coordination aspects across jobs. This study recommends increasing the integration of safety technology and regular training for workers.
Kajian Pemanfaatan Debit pada Saluran Irigasi untuk Pembangkit Listrik Tenaga Mikrohidro (Studi Kasus Saluran Induk Sawito Daerah Irigasi Sadang) Kabupaten Pinrang, Propinsi Sulawesi Selatan Ghofar, Abdul; Sunarto, Bambang; Sembiring, Kristina
Jurnal Ilmiah Universitas Batanghari Jambi Vol 24, No 1 (2024): Februari
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/jiubj.v24i1.4444

Abstract

Utilization of water as a new power plant reaches about 6.9% of the existing potential and most of it is built in rivers with very large costs and quite a long time. The demand for electricity is increasing more and more, but the government cannot add power plants from fossil fuels. In fact, they will gradually close all of them and replace them with new renewable energy plants, such as hydropower, solar power, PLTB and other renewable energy power plants. In general, hydroelectric power plants (PLTA) are built on river bodies in the form of weirs or weirs so that they require considerable cost, time and risk and are greatly influenced by fluctuations in discharge, sediment and so on. While there are many irrigation areas that have operated with discharge capacity and fall height that can be utilized for small-scale hydropower, one of them is the Sadang Irrigation Area with an area of ±64,000ha. Using topographic mapping methods, measuring surveys of existing channels, and analyzing the availability of discharge and irrigation water requirements, the research results showed that the height of falls in several irrigation buildings was obtained. By analyzing water availability and demand (water balance), a water supply plan for each existing irrigation canal is obtained. so that the potential power and electrical energy produced is obtained. The Sadang irrigation area is supplied with water from the Benteng weir through two intake buildings. The right intake building supplies the Pekkabata main channel, while the Sawito and Rappang Ha main channels are supplied from the left intake building. The Pekkabata sub-network has a potential power of 338 kW, the Rappang sub-network has a potential power of 158 kW and the Sawito sub-network has a power of 1,939 kW. So the total potential electrical power in the Sadang irrigation network is 2,436 Kw. The potential that has been developed in the Sadang irrigation area for electricity generation is 1,235 kW so there is still a potential of 1,200 kW. Especially in the Sawito main channel, in the building for tapping BSa. 9 has an electrical potential with a power of 492 kW, and annual energy production of 3,511,880 kWh, and the suitable turbine type is the kaplan type.
Analisis Kinerja Tender dengan Sistem Penilaian Kualifikasi “Nilai Pengalaman Tertinggi” pada Perusahaan Konstruksi Lisa, Ulfa Sama; Azhar, Moh.; Sembiring, Kristina; Maharani, Sri
Jurnal Ilmiah Universitas Batanghari Jambi Vol 24, No 1 (2024): Februari
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/jiubj.v24i1.4047

Abstract

Bidding activities in a job are carried out through a tender offer to select up to the process of appointing which company is appropriate in carrying out a work package. The method for determining the winner of the tender can be done by knockout method, value or cost assessment. Bidding that is usually made by companies can have several problems, while the main thing that often arises is that bids are made too high in the hope that bidders can get a large profit, or vice versa they cannot offer prices that are too low due to the hope of getting a project opportunity. the greater it is. Companies that procure both goods and services are carried out efficiently, effectively, transparently, openly, competitively, fairly and accountably. Based on BPS data by DataIndonesia.ID, there are 131,414 companies in Indonesia in 2021. This number has increased by 1.76% compared to the previous year of 129,137 companies. The large number of construction companies has the impact of increasing competition between companies in winning an auction/tender. The purpose of this study was to analyze the Tender Performance With the Highest Experience Value Qualification Rating System in Construction Companies. The method used in this research is descriptive method with purposive sampling technique. The sample of this research is 88 companies located in Jabodetabek. The results showed that there was an effect of the highest experience value on winning tenders in construction companies in Jakarta with a p value <0.005. The conclusion in this study is that the highest experience value rating system affects the evaluation of tender acceptance qualifications in construction companies.
PERHITUNGAN AWAL IMBUHAN AIRTANAH ALAMI DAERAH ALIRAN SUNGAI CIKAPUNDUNG-GANDOK (KAJIAN PERBANDINGAN) Al Hasyir, Muhammad Humaam; Soenarto, Bambang; Nurhayati, Yayah; Sembiring, Kristina; Tua Naibaho, Pio Ranap
JURNAL SUMBER DAYA AIR Vol 20, No 2 (2024)
Publisher : Direktorat Bina Teknik Sumber Daya Air, Kementerian Pekerjaan Umum dan Perumahan Rakyat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32679/jsda.v20i2.902

Abstract

Groundwater recharge is a crucial factor in determining the permissible groundwater extraction within a watershed. In the Cikapundung watershed, the contribution of groundwater to raw water supply has been continuously declining, prompting a shift from groundwater to surface water usage. This study aims to quantify the groundwater recharge volume and recharge coefficient for each geological formation within the Cikapundung-Gandok watershed, covering an area of 90.4 km², and to compare the results with previous studies. The analysis estimates recharge volumes based on rainfall data from 8 stations around the Cikapundung-Gandok watershed from 2010 to 2019, geological formation data, and alternative recharge coefficients. The difference in recharge volume from previous studies is 393,348 m³/year or 1%. Two formations, Qvu and Qyu, which were not identified in earlier studies, supplement the existing geological dataset. The selected recharge volume for the Cikapundung-Gandok watershed is 33,232,004 m³/year or 1.05 m³/s, with the lowest contribution from the Lava formation (Qyl) at 1,364,504 m³/year or 0.04 m³/s and the highest from the Old Volcanic Product (Qvu) at 14,072,243 m³/year or 0.45 m³/s. The tentative recharge coefficients for each rock formation are as follows: Colluvium (Qc) 30%; Unweathered Old Volcanic Product (Qvu) 20%; Sand Tuff (Qyd) 10%; Lava (Qyl) 25%; Pumiceous Tuff (Qyt) 20%; and Young Volcanic Product (Qyu) 20%. The groundwater recharge data obtained can be used to set groundwater extraction limits and to plan for groundwater management using a conservative approach to ensure long-term sustainability.Keywords: groundwater recharge, recharge coefficient, geological formation, groundwater exploitation, Cikapundung-Gandok Watershed
Co-Authors Abdul Ghofar Al Hasyir, Muhammad Humaam Arisyi, Luthfan Azhar, Moh. Bambang Priyambodo, Bambang Bambang Sunarto Bangun, Sempurna Dewita, Hikma Hutagalung, Jethro Lukito Laksono, Arvidya Esta Lisa, Ulfa Sama Nabiho, Pio Ranap Tua Nosi, Leonardus Nurafifah, Nabilah Mawadah Nurhayati, Yayah Nurhikmah, Salmah Pio Ranap Tua Naibaho S, Daniel Sanrach, Handa Dwi Soenarto, Bambang Sri Maharani Syahroni, Alif Ihsan William, Martin Richardo Zulma, Nabillah