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Zetli, Sri
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PERANCANGAN ALAT BANTU PENGAMBILAN PART YANG ERGONOMIS BAGI OPERATOR PRODUKSI DI PT NITTOH USMAN, USMAN FITRAH ADRY; Zetli, Sri
Computer Science and Industrial Engineering Vol 7 No 4 (2022): Comasie
Publisher : LPPM Universitas Putera Batam

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Abstract

This study is a research conducted on production operators at PT Nittoh Batam, in the manual handling work process workers have a high risk of Musculoskeletal Disorders (MSDs). The study was conducted by observing and distributing questionnaires to workers, the results of the Nordic Body Map (NBM) questionnaire total complaints obtained were 65% on body parts in the Neck, Shoulders, Waist, Hips, Buttocks, Hands, Thighs and Feet at work. From this situation, it is necessary to make improvements. To make improvements, the Ergonomic Function Deployment (EFD) method is used in designing based on the ergonomic aspects of ENASE, namely the tool in the form of a tray, anthropometric data used in determining the dimensions of the tool to suit the user are Shoulder Width (LB), Forearm Length (PLB) and Diameter Hand Grip (DGT). After the calculation, the dimensions of the tool are 45 cm wide, 35 cm long and 3 cm high, the complaint value which was previously 65% ​​after the design has decreased to 39%.
ANALISIS PENERAPAN LEAN MANUFACTURING PADA LINE AUTOMOTIVE DI PT. OSI ELECTRONICS Kardova, Kardova rendika harahap; Zetli, Sri
Computer Science and Industrial Engineering Vol 7 No 4 (2022): Comasie
Publisher : LPPM Universitas Putera Batam

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Abstract

PT. Osi Electronics is a company engaged in electronics manufacturing services. inefficient activities that resulted in Line efficiency, namely 61.67% and balance delays 38.33%. other work processes have a low cycle time and many defects are found in the packing process that is not neatly arranged, resulting in direct rejection of the product using the Largest Candidate Rule method, this can be seen from the number of work stations in the process of combining work elements there is the elimination of 1 work station from another. previously 9 workstations became 8 workstations and previously each workstation had a fairly varied level of work efficiency because in the process there were differences in the work process at each workstation. The results for after work time efficiency are proportional to time efficiency, delay balance and efficiency index are quite good. The result for line efficiency is 96.26% which previously 61.67% stated that the ratio in carrying out a series of assembly activities at workstations has a fairly good proportion. and the Balance Delay result obtained previously was 6.4% 38.33% while at idle time it was 7.2 seconds, it is very low if we look at the previous result of 114.88 seconds. and for the Bottleneck condition in the Packing process, it decreased from 33.30 seconds to 24 seconds because of the good sequence of work elements.
ANALISIS PENGARUH SUHU RUANGAN TERHADAP KELUHAN MSDS DAN KELELAHAN KERJA PADA PT ETB Riadi, Eka; Zetli, Sri
Computer Science and Industrial Engineering Vol 7 No 4 (2022): Comasie
Publisher : LPPM Universitas Putera Batam

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The work environment is all conditions that exist around the workplace which in this case will have a significant effect on the results of human work. Temperatures that are too high will cause fatigue, and will even increase MSDS complaints for workers, especially work done manually. In this study, the results of room temperature measurements carried out by researchers showed that the room temperature reached 31°C and the deburring operator was given a workload of up to 30 to 50 kg. The purpose of this study was to determine the categories of complaints of temperature and work fatigue and the factors that affect work fatigue of warehouse workers at PT ETB. The method used in this study is the IFRC method, which can be used to measure the level of fatigue. The results of this study are the fatigue category of warehouse workers at PT ETB is in the high fatigue category. The results of the Spearman correlation test show that work fatigue (sig = 0.02), workload (sig = 0.01) has an effect on room temperature. It is hoped that the leadership of PT ETB can add air conditioning and air vents as well as mechanical equipment for lifting
PENGARUH LINGKUNGAN KERJA TERHADAP PRODUKTIVITAS KARYAWAN DI PT EUSUN TECHNOLOGY BATAM Sedaryanto_Telaumbanua; Zetli, Sri
Computer Science and Industrial Engineering Vol 7 No 7 (2022): Comasie
Publisher : LPPM Universitas Putera Batam

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ABSTRACT This research is entitled thee effeect of thee work environment on employee productiviity at PT Eusun Technology Batam. Ths stuidy aims to determine thee effeect of thee worke environmeent orn employe productiviity. Thee population inthis stuldy werre all employesof PT Eusun Technology Batam as many as 466 people. This type of techniique in this study obtained a probability sampliing techniqque whih is asampling technique based on thee fact that every member of thee population has thee same opportunity to be selected as a sample, so that it has a sample of 82 respondents. Thee variable value of thee work environment description is 14.80 with a percentage value of 49.35%. This value is not good, which means thee work environment at PT. Esun Technology Batam. While thee average value of employee productiviity is 38.87 with a percentage value of 59.80%. This value is not good, which means thee productiviity of employees at PT. Esun Technology Batam. Thee results of this study using correlation analysis showed a sig (2-tailed) value of 0.001which meatns a significaant value of less than 0.05 which means correlated. While thee Pearson correlation value is 0.520.
PERANCANGAN LEMARI PENYIMPANAN TOOLING YANG ERGONOMIS DI SECTION MACHINING PADA PROSES KERJA CNC MILLING DI PT AMTEK ENGINEERING BATAM Zareta Akbar, Fiqih; Zetli, Sri
Computer Science and Industrial Engineering Vol 8 No 3 (2023): Comasie
Publisher : LPPM Universitas Putera Batam

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Abstract

PT Amtek Engineering Batam is a manufacturing company that has a vision that emphasizes quality and productivity in order to remain superior in today's global business competition. PT Amtek Engineering Batam has a machining section that functions to manufacture component or part tooling, assembly components, automotive and machine auxiliary tools with various work processes, namely CNC wirecut, CNC milling, EDM, grinding and jig grinding processes. The basic materials used are copper, hard rass, high speed steel, aluminum, DC 11, Carbide and ASP 23 to produce tooling components which are an important part of stamping machines. Section machining has a make to order production system, where in one working day there are different requests and needs. Apart from that, other things also shappened when lifting the dies to the mazzak CNC milling conveyor, workers used a hoist crane, where when installing the elbows on the dieshoe the worker's body position was squatting so that from interviews conducted with several workers, workers often complained of pain in the workers' feet and hands . The problems above can be solved by creating a good work environment using the 5S method then conducting MSDs questionnaires to find out workers' pain complaints and measuring worker body anthropometry data to find percentile data from workers then designing tooling cabinets using Autocad by looking at the results of measurement data anthropometry. The result of this research is an ergonomic tooling cabinet design
ANALISIS PENGARUH LINGKUNGAN KERJA FISIK TERHADAP KELELAHAN KERJA KARYAWAN BAGIAN MOULDING DI PT ABC ronanda tambunan, edward; Zetli, Sri
Computer Science and Industrial Engineering Vol 8 No 4 (2023): Comasie
Publisher : LPPM Universitas Putera Batam

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Abstract

The purpose of this study was to determine the physical work environment conditions felt by employees in the moulding section, determine the level of burnout of employees in the molding section and determine the relationship between the physical work environment and the fatigue of employees in the molding section. This research was conducted at the molding department at PT ABC. The population in this study amounted to 50 employees of the molding department at PT ABC. The results showed that: 1) Based on the results of measurements of the room temperature variable, the average value was 20.14 with a percentage value of 72%, it can be concluded that molding employees at PT ABC experience excessive heat while working. This category is not good enough that it causes work fatigue to occur, 2) Based on the measurement results of the work fatigue variable, 37 respondents experienced moderate fatigue and 6 respondents experienced mild fatigue with an average of 77.6 with a percentage of 65%. It can be concluded that molding employees at PT ABC experience fatigue with middle and upper levels at work. This is caused by the unfavorable room temperature which causes work fatigue in employees, and 3) Based on the results of the influence test measurements, it shows that room temperature has a significant effect on the work fatigue of molding employees at PT ABC.
RE-DESIGN TANGGA PESAWAT UNTUK LOADING DAN UNLOADING KURSI PADA PESAWAT AIRBUS 320 NEO DI PT BAT Firdaus, Andre; Zetli, Sri
Computer Science and Industrial Engineering Vol 9 No 3 (2023): Comasie
Publisher : LPPM Universitas Putera Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33884/comasiejournal.v9i3.7663

Abstract

PT. Batam Aero Technic which is a subsidiary of Lion Air airline that focuses on Maintenance, Repair and Overhaul (MRO) or maintenance of aircraft. One of the maintenance in the BAT hangar is the maintenance of the aircraft cabin section which is commonly called the Cabin Base Maintenance (CBM) Division. The CBM Division is responsible for the interior of the aircraft, starting from small to large scale repairs. In the initial observation, there was the biggest complaint of work posture of 66.67%, pain in the upper neck when lifting airplane seats manually and using stairs that did not fit properly. So it is important to design a tool to reduce musculoskeletal complaints. The aim of the research is to design ergonomic stairs using the EFD method to determine design specifications and meet user needs and anthropometric measurements with NBM. Then, a survey by distributing questionnaires to obtain the design parameters of the transportation equipment developed with the results of the unloading size with Dimension Platform 4,14 m x 404 m, Height Min 1 m | Max 4,5 m, Structure Materials Body and Frame : Structure Steel with Coating, Electrical Control Panel Specification Remote Control / Wireless, Control panel box, Motor 1.5 HP 380 volt 3 phase, Flow Rate 3.2 LPM/210 bar. Others Specification Included, Hydraulic Jack Mounting, Tire Wheel c/w steering towing, Aluminum platform layer Railing, Rubber Bumper, Manual Box, Safety Locking Devices, 2 sets of Rack Gear with Electric Solenoid Release. The design developed is valid according to user needs and according to the 5% significance level and is better than the prefix design due to a more ergonomic ladder position and faster loading/unloading seats.
REDESIGN KURSI BONCENG ANAK YANG ERGONOMIS PADA KENDARAAN RODA DUA Fia Mega, Ragil Sukma; Zetli, Sri
Computer Science and Industrial Engineering Vol 9 No 4 (2023): Comasie
Publisher : LPPM Universitas Putera Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33884/comasiejournal.v9i4.7694

Abstract

Now it has become a tendency for every parent to bring their baby in all their activities from shopping to malls or traditional markets and not even a few who take their babies while doing work outside the home. many parents wanted a multifunctional pillion chair. One way to do this is to identify what the customer wants and develop pillion chair products using the Quality Function Deployment (QFD) approach. the design concept of the added child pillion chair is to be multifunctional. The multifunctionality in question is that the child's pillion chair has been developed to become a stoller as well so that parents who have children 1-3 years old when traveling using two-wheeled vehicles are not tired of carrying their children. The development of this pillion chair is also based on ergonomic aspects by using the anthropometric method of measuring the child's body. The results of the ergonomic analysis of the child pillion chair using anthropometric calculations are that the seat width is 29cm the seat length is 22cm the backrest height is 31cm the armrest height is 18cm the footrest height is 24cm the seat belt length is 33cm.
ANALISIS PENGUKURAN KERJA DALAM MENENTUKAN WAKTU STANDAR PADA OPERATOR MESIN CNC DI PT TEAM METAL INDONESIA Pamungkas, Doni; Zetli, Sri
Computer Science and Industrial Engineering Vol 9 No 4 (2023): Comasie
Publisher : LPPM Universitas Putera Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33884/comasiejournal.v9i4.7713

Abstract

PT Team Metal Indonesia is a company located in Bintang Industrial Park II Area, Tanjung Uncang, Batam City. Many targets cannot be met by operators and a lot of idle time is caused by the absence of time standards set by the company. This study aims to determine the standard time needed by CNC machine operators to complete each job and to determine the productivity of CNC machine operators. The data collection method in this study is primary data obtained directly from measurements carried out at the production site using stopwacth. While the data analysis method uses the stopwach time study method. The results of the study calculated the raw time of making 1 pcs is 1470,325 seconds. The standard time per work element for Material Installation is 150.7037 seconds, the Chip Cleaning and Tool checking process produces a standard time of 19.05648 seconds and Material Opening is 128.5649 seconds, and for the output produced by the operator in one shift can be produced as much as 14-16 pcs in one shift before the standard time is determined, and can be produced as many as 17 pcs in one shift after the standard time is set.
ANALISIS RISIKO KESELAMATAN DAN KESEHATAN KERJA (K3) PADA PENGOPERASIAN MESIN PIERCING MILL DI PT RAINBOW TUBULARS MANUFACTURE Astanto, Ardi; Zetli, Sri
Computer Science and Industrial Engineering Vol 9 No 4 (2023): Comasie
Publisher : LPPM Universitas Putera Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33884/comasiejournal.v9i4.7718

Abstract

The piercing mill machine is one of the machines used by the company PT Rainbow Tubulars Manufacturing in producing Oil country Tubular Goods (OCTG) seamless pipes. The work process in operating the piercing mill machine includes sprinkling salt and pushing the pipe directly exposed to high heat, noise, smoke and extreme dust. The company has established controls such as Personal Protective Equipment (PPE) and Occupational Safety and Health (OSH) training, but these control efforts have not been maximized, due to a lack of awareness and compliance in using Personal Protective Equipment (PPE). The purpose of this study is to identify the risks of operating a piercing mill machine using the Job Safety Analysis (JSA) method, calculate and analyze the value of the risk, and provide recommendations to the company. Research data was obtained by documentation, observation, interviews, and discussions with production supervisors and OSH experts. The results of this study obtained four job structures and 27 work stages and 31 sources of risk. There are three very high risks, including splashing of billet material with high temperatures, exposure to heat, dust and high noise. providing tools such as replacing tools that are no longer suitable for use.
Co-Authors Ahmad, Ardian Ananda Aulia, Lily Ardianto, Ahmad Astanto, Ardi Br Purba, Neni Marlina Br Tarigan, Elisya Florena Corneta, Dwindy Rizki Darmansyah , Darmansyah Dominggus Awola, Fernando E Janrosl, Viola Syukrina Eka Riadi Elisa, Erlin Endrian, Bayu Fenny Widiya Ningsih Fia Mega, Ragil Sukma Firdaus, Andre Gusnaidi, Aldi Handoko, Koko Harman, Rika Heru Susanto Irene Svinarky Jumeno, Desto Kardova, Kardova rendika harahap Khairi, Defiki Kristian Gea, Orianus Laia, Capai Lumbantoruan, Paskadian E Lusi Susanti, Lusi Mahendrawan Maulana, Firgi Nadila, Mutia Nofriani Fajrah, Nofriani Novendra, Muhammad Racha Pamungkas, Doni Poniman PRASENA, RIZAL WAHYU Prasetyo, Bahariandi Aji Prima, Argo Putra Purba, Jentry Octavianus Rahmadi, Muhamad Rasid Ridho, Muhammat ronanda tambunan, edward Samuel Nainggolan, Jonando Sari Br Simbolon, Mayanti Ratna Satria, ROBBY Sedaryanto_Telaumbanua Siahaan, Devi Mandriana Sidabutar, Fashion Dedy Sidabutar, Ranto Damewilly Silalahi, Mesri Silitonga, Ovin Chasvanis Simanjuntak, Pastima Simanjutak , Pastima Simanjutak, Pastima Sinaga, Mikael Sitorus, David Humala sormin, firman okyadi Suhardi, Flafianus Sumantika, Arsyad Susoko, Yohanes Josua Pranata Syahril, Ahmat Tambunan, Juniansyah Tambunan, Putra Halomoan Tarigan, Elsya Paskaria Loyda Taufik, Sulamat Tukino, Tukino USMAN, USMAN FITRAH ADRY Wahyuda, Hendri Yuliadi Zareta Akbar, Fiqih