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Jurnal Teknologi dan Manajemen
Published by Institut Teknologi Adhi Tama Surabaya
ISSN : -     EISSN : 27211878     DOI : https://doi.org/10.31284/j.jtm.2024.v5i1.5411
Core Subject : Engineering,
Engineering
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.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 133 Documents
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Analysis of the Social Vulnerability Index for the Mount Agung Eruption Disaster, Karangasem Regency, Bali Muhammad Arus Samudro; Fadlilatin Nailah; Astri Rino Okvitasari; Retno Syahriawati Dewi; Arisessy Maharani Mulananda; Desta Rifky Aldara
Jurnal Teknologi dan Manajemen Vol 5, No 2 (2024): July
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat ITATS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jtm.2024.v5i2.4621

Abstract

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.
Design and Implementation of Server Room Controlling using the Fuzzy Sugeno Method Dewi Anjani; Tegar Palyus Fiqar; Riska Kurniyanto Abdullah
Jurnal Teknologi dan Manajemen Vol 5, No 2 (2024): July
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat ITATS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jtm.2024.v5i2.4653

Abstract

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.
Development of Image Processing & Thermal Camera for Railway Vehicle Bearing Inspection: A Review Hanifar Kahira; F Ferryanto; Satrio Wicaksono
Jurnal Teknologi dan Manajemen Vol 5, No 2 (2024): July
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat ITATS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jtm.2024.v5i2.5948

Abstract

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.
Dispersion Modeling of SO2 and NOX from Transportation Sources Using Gaussian Model on Krikilan Highway, Driyorejo, Gresik Wanda Anggraeni; Rachmanu Eko Handriyono
Jurnal Teknologi dan Manajemen Vol 5, No 2 (2024): July
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat ITATS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jtm.2024.v5i2.5541

Abstract

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.
Analysis of the Influence of Occupational Safety and Health on Worker Motivation for the Pramita Lab Surabaya Building Construction Project Jenny Caroline; Hardi Abriyanto Soy; Gunawan Gunawan
Jurnal Teknologi dan Manajemen Vol 5, No 2 (2024): July
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat ITATS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jtm.2024.v5i2.5539

Abstract

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.
A Motorcycle Safety System Design based on the Internet of Things Annisaa Sri Indrawanti; Ridho Rahman Hariadi; Eka Prakarsa Mandyartha; Agung Mulyono
Jurnal Teknologi dan Manajemen Vol 5, No 2 (2024): July
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat ITATS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jtm.2024.v5i2.5983

Abstract

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.
Value Stream Mapping in MEP Work on the Pondok Tjandra Project – Surabaya Felicia Tria Nuciferani; Siti Choiriyah; Feri Harianto; Mila Kusuma Wardani; Siti Nuraini
Jurnal Teknologi dan Manajemen Vol 5, No 2 (2024): July
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat ITATS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jtm.2024.v5i2.5548

Abstract

During construction, waste often occurs, not only material waste, but waste can also occur in activities that do not provide added value. Waste can result in cost losses and time delays in implementing a construction project. Value Stream Mapping (VSM) is a method that can be used to minimize waste by classifying activities into value added, non value added but necessary, and non value added. Mechanical engineering work was identified in the Pondok Tjandra Sidoarjo project, namely value added as many as 69 activities (67.65%), and non value added s as many as 17 activities (16.67%), while non value added but necessary as many as 16 activities (15.69%). The largest percentage of Non Value Added (NVA) is in AC work, namely 23.53%. The activities that are classified as waste are the preparation of labor tools/equipment, work delays due to waiting for the dismantling of formwork left over from structural work, breaking down light brick walls for refrigerant pipe lines conduilt pipes, and activities for the process of breaking down light brick walls again.
Performance Evaluation of Projects using Earned Value Concept Siti Choiriyah; Dyah Listyaningsih; Felicia Nuciferani; Fahmi Ferdaus; Gerry Sigma Perdana; Ratih Sekartadji
Jurnal Teknologi dan Manajemen Vol 5, No 1 (2024): January
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat ITATS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jtm.2024.v5i1.4620

Abstract

The construction project is one of the jobs that demands the final result to align with the planning, necessitating a check on the performance obtained during the project to address any deviations from the initial plan. The Earned Value method is one of the techniques that can be used to assess project performance based on cost and time. The objective of implementing an evaluation with the Earned Value method is to understand the project's performance based on value variances and performance indexes and to identify solutions as early as possible if the project is experiencing delays. Calculations using the Earned Value method are based on budgeted cost of work scheduled (BCWS), cost for work performed (BCWP), and actual cost of work performed (ACWP). The research results on the Gunung Anyar apartment project reveal that the project experienced a delay of 3 weeks from the initial plan and a cost overrun of IDR 21,863,495,000 from the budget of IDR 19,533,411,725 (-12%). From the evaluation, it is evident that the Earned Value method needs to be applied during the ongoing project, especially when facing delays, to find solutions as early as possible to overcome the issues and prevent further significant losses.
Monitoring and Evaluation System for Subsidized Fertilizer Distribution (SIMETRI) Eva Yulia Puspaningrum; Agung Mustika Rizki; Annisaa Sri Indrawanti; Firza Prima Adityawan
Jurnal Teknologi dan Manajemen Vol 5, No 1 (2024): January
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat ITATS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jtm.2024.v5i1.4922

Abstract

Subsidized fertilizer distribution is a government policy to increase agricultural productivity in Indonesia. However, this distribution resulted in inequality and lack of supervision. This causes the distribution of fertilizers that are not on target and uncontrolled. So far, Food Security and Agriculture Department (FSAD) in Bojonegoro has experienced problems controlling the distribution of subsidized fertilizers. These obstacles are due to the unsynchronized data and the lack of extension workers to check directly on the location. Therefore, a monitoring and evaluation system is needed for the distribution of subsidized fertilizers. This system will integrate data from fertilizer distributors, subsidized farmers group, africultural instructor from sub-districts and the FSAD Bojonegoro can supervise fertilizer distribution. With a monitoring and evaluation system, Agricultural extension officer can monitor fertilizer stocks, thereby minimizing stock shortages and increasing efficiency in the distribution of subsidized fertilizers. And the FSAD can evaluate the distribution fertilizer in Bojonegoro District. The technique used for system development is SDLC (System Development Life Cycle) with Waterfall Model. This system has features such as User Account Verification by Administrator, fertilizer applications from farmer groups, validation of fertilizer by distributors, validation and reset of fertilizer stocks by agricultural instructur officer and evaluate of FSAD Bojonegoro. FSAD Bojonegoro can easily access information regarding the distribution of subsidized fertilizer and evaluate the distribution to performance improvement. System testing has been carried out and the results are that all system performance functions can run well according to their function.
Analysis of Ground Water Quality Status in Tambakboyo Hamlet, Tikung District, Lamongan Regency Using Storet Method Rodu Dhuha Afrianisa; Pratama Sandi Alala; Taty Alfiah; Nazilatun Niswa; Erlinda Ningsih
Jurnal Teknologi dan Manajemen Vol 5, No 1 (2024): January
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat ITATS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jtm.2024.v5i1.5314

Abstract

Leachate from the Tambakrigadung Final Disposal Site has potential to contaminate ground water of residents in Tambakboyo Hamlet, Tambakrigadung Village, Tikung District, Lamongan Regency. Tambakboyo Hamlet is a residential area close to the Tambakrigadung TPA. This study was aimed at determining the effects of the distance between the well and the Tambakrigadung landfill on the water quality of the Tambakrigadung residents' wells. The sampling employed a purposive technique by taking water samples from dug wells belonging to residents. Sampling occurred at 7 points within 3 repetitions, taking into account the distance of the well from the landfill. To determine the level of contamination in the wells being studied, the researcher applied the STORET method. Water quality status based on storet method at points A, F and G has score -19, -11. -15, and poiytnt B,C,D,E has score -7,-5,-7,-5. The results of this study indicated that 3 wells belonged to a moderately polluted, and 4 well was categorized as having a lightly polluted.

Page 11 of 14 | Total Record : 133

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