Jurnal Teknologi dan Manajemen
Jurnal Teknologi dan Manajemen (JTM), ISSN 2721-1878, is an open-access journal dedicated to provide a platform in management and technology aspects. This journal aims to publish renewable works in implementation of basic theories, experiments, simulations, and applications with systematic method; reviews of previous works; expansions of summary; or others. This journal is published twice a year, on January and July.
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<![CDATA[Analysis of Ambient Air Quality of Carbon Monoxide in Parking Areas (Case Study of Type B and Type C Hospitals in Surabaya City) ]]>
<![CDATA[Pratama Sandi Alala]]>;
<![CDATA[Dandi Dwi Arifianto]]>;
<![CDATA[Ayu Setyaning Sayekti Poesoko]]>
<![CDATA[ Jurnal Teknologi dan Manajemen Vol 5, No 2 (2024): July ]]>
Publisher : <![CDATA[Lembaga Penelitian dan Pengabdian kepada Masyarakat ITATS ]]>
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DOI: 10.31284/j.jtm.2024.v5i2.6035
<![CDATA[The human respiratory system is vulnerable to the impacts of carbon monoxide (CO) emissions, a colorless and odorless gas. The aim of this research is to analyze the CO levels in the air and its relation to regulations governing air quality, specifically referring to Government Regulation Number 22 of 2021. This study also discusses the correlation between CO levels with air temperature and the number of motor vehicles. Measurements were conducted using a CO meter, and manual counting of motor vehicles was included as part of the purposive sampling procedure over a period of 3 days. On Saturdays, the average CO concentration was at its highest point, ranging from 64.131 μg/m3 in the morning to 52.106 μg/m3 in the afternoon and 37.791 μg/m3 in the evening. The average temperatures recorded were 31°C in the morning, 32°C in the afternoon, and 30°C in the evening. There was an increase in CO levels at Hospital X exceeding the permissible limit stated in Government Regulation Number 22 of 2021. Regarding air quality at Hospital Y, CO concentrations were 33.210 μg/m3 in the morning, 11.451 μg/m3 in the afternoon, and 29.775 μg/m3 on Monday afternoon, all of which were above normal levels. With a value of α of 0.000, which is less than 0.01 according to Pearson correlation test, a significant relationship between temperature and CO levels was revealed, with a Pearson correlation coefficient (r) of -0.917. There is a perfect negative correlation between these two variables. To determine the presence of a relationship between the number of motor vehicles and CO concentration, the Pearson correlation test yielded a significant result with a value of α of 0.048 and an r value of 0.670. The correlation between the two variables is evident. ]]>
<![CDATA[Seismic Behavior of Building Structures using Time History Analysis (Case Study: RSPAL Surabaya) ]]>
<![CDATA[Heri Istiono]]>;
<![CDATA[Yanisfa Septiarsilia]]>;
<![CDATA[Dita Kamarul Fitriyah]]>;
<![CDATA[Indra Komara]]>;
<![CDATA[Katon Putra Baskara]]>
<![CDATA[ Jurnal Teknologi dan Manajemen Vol 5, No 2 (2024): July ]]>
Publisher : <![CDATA[Lembaga Penelitian dan Pengabdian kepada Masyarakat ITATS ]]>
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DOI: 10.31284/j.jtm.2024.v5i2.5944
<![CDATA[Penting untuk mempertimbangkan pembangunan bangunan yang tahan gempa di Indonesia karena negara ini rentan terhadap gempa. Percepatan gempa pada permukaan tanah merupakan faktor yang secara langsung mempengaruhi struktur. Gedung bertingkat tinggi yang terletak pada zona gempa tinggi diperlukan perencanaan dan peninjauan khusus agar tetap aman saat menahan gaya gempa. Analisis struktur terhadap gempa dapat dibagi menjadi dua metode, yakni analisis statik dan analisis dinamik. Dalam analisis dinamik, terdapat dua pendekatan utama, yaitu analisis spektrum respons dan analisis time history. Cara untuk mendapatkan perilaku terhadap struktur gedung adalah dengan menerapkan gaya pada struktur. Salah satu contoh gaya yang kompleks adalah gaya gempa yang memiliki karakteristik yang tidak teratur dan waktu yang acak. Untuk menyederhanakan pengaruh gaya gempa ini, dapat dilakukan melalui analisis respons spektrum dan time history. Dalam analisis time history, gaya gempa yang dimasukkan berasal dari gempa sebelumnya dan disesuaikan pada beban desain. Penelitian ini bertujuan untuk melakukan studi perilaku terhadap bangunan eksisting pada Gedung Rawat Inap RPAL Surabaya, dimana sistem strukturnya yaitu sistem rangkat pemikul momen khusus (SRPMK) dengan menggunakan metode Time History. Pada penelitian ini dilakukan pada daerah surabaya dan untuk Load Case yang terdapat pada masing-masing Time History juga dilakukan proses Scalling dimana hasil ini didapatkan dari perhitungan nilai perhitungan faktor skala. Untuk simpangan antar lantai paling kritis dari analisis time history adalah gempa Tabas yang dimana nilai displacement total ijin maka belum memenuhi persyaratan.]]>
<![CDATA[Decision Support to Improve Railway Track Maintenance in Indonesia: A life Cycle Cost Approach ]]>
<![CDATA[Rachmad Indrakusuma]]>;
<![CDATA[Nafilah El Hafizah]]>;
<![CDATA[Dicky Rahmadiar Aulial Ardi]]>
<![CDATA[ Jurnal Teknologi dan Manajemen Vol 5, No 2 (2024): July ]]>
Publisher : <![CDATA[Lembaga Penelitian dan Pengabdian kepada Masyarakat ITATS ]]>
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DOI: 10.31284/j.jtm.2024.v5i2.5945
<![CDATA[Railway infrastructure is a complex asset and must have a long service life. Therefore, effective maintenance methods are required to achieve optimal results throughout the life cycle. Life Cycle Cost (LCC) is a method of evaluating the total cost associated with the service life of a system and can also be used to determine the most cost-effective method in the long term. This research begins by discussing the failure of major track components such as rails, sleepers and ballast. With the literature study, critical track component degradation models can be developed to identify the causes of failures. Material selection analyses is used to ensure optimal selection in terms of cost and performance. The appropriate type of maintenance is determined to ensure proper and safe operation of the railway track system. The main purpose of this paper is to determine the effective and efficient methods for maintaining railway tracks in Indonesia. In this study, the estimated degradation models of track components are used as the basis for determining component material selection. Existing types of railway maintenance are discussed and involve determining the type of maintenance based on LCC analysis to achieve the most cost-effective method.]]>
<![CDATA[Optimizing Railway Track Management through Life Cycle Cost Analysis: A Comprehensive Review ]]>
<![CDATA[Rachmad Indrakusuma]]>;
<![CDATA[Bagus Budiwantoro]]>;
<![CDATA[Satrio Wicaksono]]>
<![CDATA[ Jurnal Teknologi dan Manajemen Vol 5, No 2 (2024): July ]]>
Publisher : <![CDATA[Lembaga Penelitian dan Pengabdian kepada Masyarakat ITATS ]]>
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DOI: 10.31284/j.jtm.2024.v5i2.5935
<![CDATA[This paper presents a comprehensive examination of Life Cycle Cost (LCC) analysis as applied to railway track systems, with a focus on optimizing the economic and operational performance of railway infrastructure over its entire lifespan. The study begins with an exploration of existing LCC models and their applications in railway track analysis, highlighting the importance of LCC as a decision-making tool for infrastructure management. It then delves into the integration of degradation models for key track components such as ballast, rails, and sleepers, and how these models contribute to a more accurate and effective LCC analysis.The paper further reviews several case studies to illustrate the practical application of LCC analysis in real-world scenarios. These include an analysis of alternative railway track support materials for the Sydney Harbour Bridge, an evaluation of the slab track monoblock sleeper system for the Indonesian Urban Metro Railway Project under uncertainty, and a life cycle cost, energy, and carbon assessment of the Beijing-Shanghai High-Speed Railway. Each case study provides insights into the methodologies used for LCC analysis and the resulting implications for railway infrastructure management.The findings of this paper underscore the significance of LCC analysis in guiding the maintenance and renewal policies of railway tracks, ensuring cost-effectiveness while maintaining safety and reliability. The paper concludes with recommendations for the adoption of advanced LCC models and maintenance strategies, emphasizing the need for future research to address uncertainties in system performance and to further refine these models for enhanced decision-making in railway track management.]]>
<![CDATA[Analysis of the Social Vulnerability Index for the Mount Agung Eruption Disaster, Karangasem Regency, Bali ]]>
<![CDATA[Muhammad Arus Samudro]]>;
<![CDATA[Fadlilatin Nailah]]>;
<![CDATA[Astri Rino Okvitasari]]>;
<![CDATA[Retno Syahriawati Dewi]]>;
<![CDATA[Arisessy Maharani Mulananda]]>;
<![CDATA[Desta Rifky Aldara]]>
<![CDATA[ Jurnal Teknologi dan Manajemen Vol 5, No 2 (2024): July ]]>
Publisher : <![CDATA[Lembaga Penelitian dan Pengabdian kepada Masyarakat ITATS ]]>
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DOI: 10.31284/j.jtm.2024.v5i2.4621
<![CDATA[Indonesia is an archipelagic country located between the continents of Asia and Australia as well as the Indian and Pacific Oceans. Geographically, Indonesia is located between 6°N-11°S and 95°-141°E. The location of the mountains in Indonesia varies greatly because this country has many islands with diverse topography. The social vulnerability index for volcanic eruptions includes the parameters of population density, vulnerable age ratio, sex ratio, disabled population ratio, and poor population ratio. This research aims to determine the value of the social vulnerability index in each area within the eruption radius of Mount Agung if an eruption occurs. The methods used in data collection are secondary and primary data collection methods. The method for processing data is quantitative descriptive statistical data analysis called factor analysis and scoring analysis based on PERKA BNPB No. 2 of 2012 with the results of a risk level scoring for each parameter of the social vulnerability index. The results obtained from this research are the risk level of the social vulnerability index in the Karangasem district. The highest social vulnerability index is in the sub-districts of Banyakdem and Karangasem with a score of 26 and the lowest sub-district is Kubu sub-district with a score of 15. The Sedimen sub-district with a score of 25, the Manggis and Selat sub-districts with a score of 24, the Abang sub-district 20, and the Rendang sub-district 18.]]>
<![CDATA[Design and Implementation of Server Room Controlling using the Fuzzy Sugeno Method ]]>
<![CDATA[Dewi Anjani]]>;
<![CDATA[Tegar Palyus Fiqar]]>;
<![CDATA[Riska Kurniyanto Abdullah]]>
<![CDATA[ Jurnal Teknologi dan Manajemen Vol 5, No 2 (2024): July ]]>
Publisher : <![CDATA[Lembaga Penelitian dan Pengabdian kepada Masyarakat ITATS ]]>
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DOI: 10.31284/j.jtm.2024.v5i2.4653
<![CDATA[The standard security for a good server room in an institution includes the monitoring processes of humidity, temperature, and smoke levels in the server room. Based on this issue, a device is needed to perform real-time monitoring of the server room and can be accessed online using Internet of Things (IoT) technology based on Wemos D1 R2, DHT22 sensor, MQ2 sensor, and infrared sensor. This system has a level of uncertainty for each DHT22 sensor in measuring temperature. For DHT22 sensor (∑), it obtains a measurement uncertainty value of 0.22%. DHT22 sensor (Δ) has an uncertainty of 0.22%, and DHT22 sensor (α) has an uncertainty of 0.50%. Then, for the level of uncertainty for each DHT22 sensor in measuring humidity, DHT22 sensor (∑) has a measurement uncertainty of 1.85%. DHT22 sensor (∆) has an uncertainty of 2.22%, and DHT22 sensor (α) has an uncertainty of 4.80%. The method used is fuzzy logic Sugeno to provide output for the AC on and off states. Furthermore, an analysis and implementation of the ISO:27001 security standard are conducted in the server room of Institut Teknologi Kalimantan by maintaining the room temperature between 20-25°C and humidity between 40-55%. However, there are differences in temperature and humidity readings between the device and the thermometer used to measure the room conditions. Therefore, it is necessary to adjust the temperature membership range to 18-27°C and the humidity membership range to 40-80%. Then, a threshold of 2196.8383 ppm is set for the MQ2 sensor to detect small-scale smoke.]]>
<![CDATA[Development of Image Processing & Thermal Camera for Railway Vehicle Bearing Inspection: A Review ]]>
<![CDATA[Hanifar Kahira]]>;
<![CDATA[F Ferryanto]]>;
<![CDATA[Satrio Wicaksono]]>
<![CDATA[ Jurnal Teknologi dan Manajemen Vol 5, No 2 (2024): July ]]>
Publisher : <![CDATA[Lembaga Penelitian dan Pengabdian kepada Masyarakat ITATS ]]>
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DOI: 10.31284/j.jtm.2024.v5i2.5948
<![CDATA[Inspection of the train’s bearings is an important aspect of maintaining the performance and operational safety of the rail transportation system. Bearings act as components that support wheel rotation and transmit loads between the wheels and the axles. The poor condition of bearings can cause operational disruptions, decreased efficiency, and even failures that can endanger the safety of train passengers and personnel. In recent years, the use of thermal camera sensor technology in the inspection of railway bearings has grown rapidly. The thermal camera sensor enables accurate temperature detection and visualization of heat patterns on the bearing surface. Abnormal heating patterns can indicate a problem such as excess friction, wear, or overheating that needs action. In this review paper, the importance of checking bearings on trains, image processing, and object detection technologies in detecting damage, the use of thermal camera sensors in inspections, and the benefits that can be obtained by implementing this technology will be discussed in detail. This study is intended to provide a better understanding of bearing inspection on trains and its contribution to improving the safety and efficiency of the rail transportation system.]]>
<![CDATA[Dispersion Modeling of SO2 and NOX from Transportation Sources Using Gaussian Model on Krikilan Highway, Driyorejo, Gresik ]]>
<![CDATA[Wanda Anggraeni]]>;
<![CDATA[Rachmanu Eko Handriyono]]>
<![CDATA[ Jurnal Teknologi dan Manajemen Vol 5, No 2 (2024): July ]]>
Publisher : <![CDATA[Lembaga Penelitian dan Pengabdian kepada Masyarakat ITATS ]]>
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DOI: 10.31284/j.jtm.2024.v5i2.5541
<![CDATA[The emissions from transportation sources contribute to 70% of air pollutants. The increase in the number of vehicles results in traffic density and the production of pollutants. This research was conducted on Krikilan Highway on Mondays and Sundays during peak morning and afternoon hours for one month. Direct measurements were taken at distances of 0 m and receptors at 200 m, 400 m, and 800 m. The objective of this study is to assess the ambient air quality status, determine the results of direct measurements, Gaussian modeling, and the dispersion of SO2 and NOx gases generated by vehicles on the road. The ambient air quality measurements on Krikilan Highway, Driyorejo Subdistrict, showed the highest concentrations for SO2 at 34.03 µg/m3 and NOx at 120.41 µg/m3 on Sundays. The Gaussian model calculations on Krikilan Highway, Driyorejo Subdistrict, revealed the highest concentrations for SO2 at 0.00000262 µg/m3 and NOx at 0.0000787 µg/m3 at a receptor distance of 200 m on Mondays. The ambient air concentrations of SO2 and NOx on Krikilan Highway, Driyorejo, using Gaussian model calculations and measurements, complied with the standards set by Regulation No. 22 of 2021. The Index of Agreement (IOA) validation for SO2 and NOx concentrations yielded a value of 0.97.]]>
<![CDATA[Analysis of the Influence of Occupational Safety and Health on Worker Motivation for the Pramita Lab Surabaya Building Construction Project ]]>
<![CDATA[Jenny Caroline]]>;
<![CDATA[Hardi Abriyanto Soy]]>;
<![CDATA[Gunawan Gunawan]]>
<![CDATA[ Jurnal Teknologi dan Manajemen Vol 5, No 2 (2024): July ]]>
Publisher : <![CDATA[Lembaga Penelitian dan Pengabdian kepada Masyarakat ITATS ]]>
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DOI: 10.31284/j.jtm.2024.v5i2.5539
<![CDATA[Construction projects are activities that are prone to work accidents and occupational diseases. Therefore, awareness of applying Occupational Health and Safety (OHS) is crucial. Basically, all humans want to complete work safely. These measures can motivate and drive workers’ behavior to carry out their work safely and healthily. This study aims to determine whether or not a correlation or influence exists between Occupational Health and Safety (OHS) and the work motivation of construction workers in the Pramita Lab Surabaya project environment. The research method was descriptive-quantitative with multiple linear regression analysis. The analysis results indicated that: (1) Based on the results of the analysis of the T-test on the work safety variable, the t-value was -0.309 critical t-value -2.042, and there was no significant effect between work safety and work motivation. (2) In the analysis of the T-test on occupational health, the value of the t-value was -4.345 critical t-value -2.042, indicating that occupational health had a significant effect on work motivation. (3) In the F-test, the calculated F-value was 27,852 F-table 3.35; Occupational Health and Safety influenced work motivation. This means that occupational safety and health is very important and affects the motivation of its workers.]]>
<![CDATA[A Motorcycle Safety System Design based on the Internet of Things ]]>
<![CDATA[Annisaa Sri Indrawanti]]>;
<![CDATA[Ridho Rahman Hariadi]]>;
<![CDATA[Eka Prakarsa Mandyartha]]>;
<![CDATA[Agung Mulyono]]>
<![CDATA[ Jurnal Teknologi dan Manajemen Vol 5, No 2 (2024): July ]]>
Publisher : <![CDATA[Lembaga Penelitian dan Pengabdian kepada Masyarakat ITATS ]]>
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DOI: 10.31284/j.jtm.2024.v5i2.5983
<![CDATA[A huge number of motorbike thefts are still happening in Surabaya City. The most way the thief does to steal the motorbike is damaging the ignition lock using a "T key" so that the motorbike can be started and can be taken easily by thief. Besides that, there are still many other ways to thief the motorbike. The number of theft cases indicates that there are some weaknesses in the safety system on motorbikes made by manufacturers, especially on motorbikes that use the conventional ignition lock system. Along with the rapid development of increasingly sophisticated technology, it can be utilized to improve the security system on motorbikes. The conventional ignition lock is very easy to break into and is not effective in preventing theft. Designing a system that can turn on a motorcycle through an e-KTP scanning using RFID can be the respond to the huge number of theft cases in Surabaya City. This system uses NodeMCU ESP8266 as a microcontroller that is connected to modules such as RFID, GPS, and relays. Through this system, the owner can also monitor the position of his motorcycle through an application connected to the GPS and microcontroller placed in the motorcycle. In case of theft, the motorcycle owner can turn off the motorcycle through the application then the motorcycle will die and cannot be restarted.]]>
