Analisa Perbaikan Postur Kerja Dengan Menggunakan Metode OWAS (Ovako Work Analysis System) Dengan Perancangan Fasilitas Di Bagian Penyortiran Batu Gamping PT. Timbul Persada

2019 ◽  
Vol 2 (1) ◽  
pp. 104
Author(s):  
Krishna Tri Sanjaya ◽  
Apreza Dwi Vidyantoro

Limestone sorting work at PT. Embossed Persada is a repetitive work attitude and a long period of time, so that it can be at risk of causing Musculoskeletal disorders and discomfort at work. The purpose of this study is to analyze the working posture of limestone sorting operators. There are 3 work postures: limestone sorting work posture has a value of 4141, work posture for limestone removal 2173, and work posture for limestone 3333. Other objectives of this study are to identify work postures that have a risk of Musculoskeletal injury. Based on the results of the categorization of OWAS values, an assessment was obtained: limestone 4141-4 work posture, sludge removal posture 2173-3, work posture inserting limestone 3333-3. The work posture has a very high value where it is necessary to make immediate improvements to the work posture by redesigning the work facilities in the sorting section. Redesign of work facilities carried out to avoid Musculoskeletal interference that is using conveyor aids with a capacity of 9 Tons / Hour. The facility design uses measurements with an average value of Indonesian Ergonomics Anthropometry dataKeyword : Ergonomics, Working Postures, Musculoskeletal, The Design Of The Facility, OWASPekerjaan peyortiran batu gamping di PT. Timbul Persada merupakan sikap kerja yang repetitif dan jangka waktu yang lama, sehingga dapat beresiko menimbulkan gangguan Musculoskeletal dan ketidak nyamanan dalam bekerja. Penelitian ini mencoba untuk mempelajari rangkaian kerja dan aspek Ergonomi yang mempengaruhi postur kerja pada divisi penyortiran tersebut dengan menggunakan metode OWAS (Ovako Work Analysis System), metode ini  digunakan untuk mengevaluasi sikap kerja yang berpotensi mengalami gangguan pada Musculoskeletal dimana postur kerja yang diamati meliputi pergerakan tubuh bagian punggung, bahu, tangan, dan kaki termasuk paha, lutut dan pergelangan kaki. Tujuan dari penelitian ini adalah melakukan analisa postur kerja operator penyortiran batu gamping. Diketahui ada 3 postur kerja : postur kerja pemilahan batu gamping memiliki nilai 4141, postur kerja pengangkatan batu gamping 2173, dan postur kerja memasukan batu gamping 3333. Tujuan lain dari penelitian ini adalah mengidentifikasi postur kerja yang memiliki resiko cedera Musculoskeletal. Berdasarkan hasil pengkategorian nilai OWAS maka, diperoleh penilaian : Postur kerja pemilahan batu gamping 4141-4, postur kerja pengangkatan batu gampng 2173-3, postur kerja memasukkan batu gamping 3333-3. Postur kerja tersebut memiliki nilai yang sangat tinggi dimana perlu dilakukan perbaikan segera terhadap postur kerja dengan perancangan ulang fasilitas kerja pada bagian penyortiran. Perancangan ulang fasilitas kerja yang dilakukan untuk menghindari gangguan Musculoskeletal yaitu menggunakan alat bantu conveyor dengan kapasitas 9 Ton/Jam. Perancangan fasilitas ini dirancang dengan pengukuran menurut nilai rata-rata data Anthropometri Ergonomi Indonesia. Dengan mengevaluasi postur kerja sebelum adanya perbaikan, sehingga hasil dari penelitian ini dapat digunakan sebagai bahan pertimbangan dalam perancangan stasiun kerja yang sesuai dengan aspek-aspek Ergonomi.Kata Kunci : Ergonomi, Postur Kerja, Musculoskeletal, Perancangan Fasilitas, OWAS.

2020 ◽  
Vol 5 (2) ◽  
pp. 26
Author(s):  
Dian Friana Hidayat ◽  
Miftahudin Miftahudin

The purpose of study is analysis the work posture of the finishing section on the CV. Sarana Teknik, in order to reduce musculoskeletal disorders using the Nordic Body Map, and the Ovako Work Analysis System (OWAS). CV. Sarana Teknik is an industry engaged in processing plastic pellets into various products on demand. These products are medicine caps and toys that are relatively small in size. The study was conducted in the finishing section with 6 operators. Based on the Nordic Body Map questionnaire, 49% of workers or 3 of 6 workers stated that they were somewhat sick to the point where they were examined at 28 points of the body. Then the work attitude analysis that defines the movement of body parts of the back, arms, legs and weight lifted using the Ovako Work Analysis System (OWAS). The results of this study are the body part is very painful, which is dominantly felt by all operators, is back by 100%. The observed work posture is the taking and tidying posture, the result of the analysis is the taking work posture is category 2 which is a dangerous attitude on the musculoskeletal system which results in a significant tension effect so that the posture needs improvement. As for the tidying work posture, category 1 is an attitude that has no problems so this attitude does not need to be improved.


Author(s):  
Hongzheng Lu ◽  
Fereydoun Aghazadeh

This study examined important risk factors and their interactions associated with physical symptoms reported by VDT users. A research model was developed. A survey was designed and conducted among 88 computer users. The results show that risk factors associated with various physical symptoms are different. Screen glare, awkward working posture, and fatigue are important factors related to physical symptoms. Psychosocial factors significantly interact with other variables, such as demographics variables, and contribute to awkward work posture and psychological stress. Workstation design variables significantly affect working postures.


2005 ◽  
Vol 13 (3) ◽  
pp. 243-246 ◽  
Author(s):  
Fábio Lourenço Romano ◽  
Gláucia Maria Bovi Ambrosano ◽  
Maria Beatriz Borges de Araújo Magnani ◽  
Darcy Flávio Nouer

The coefficient of variation is a dispersion measurement that does not depend on the unit scales, thus allowing the comparison of experimental results involving different variables. Its calculation is crucial for the adhesive experiments performed in laboratories because both precision and reliability can be verified. The aim of this study was to evaluate and to suggest a classification of the coefficient variation (CV) for in vitro experiments on shear and tensile strengths. The experiments were performed in laboratory by fifty international and national studies on adhesion materials. Statistical data allowing the estimation of the coefficient of variation was gathered from each scientific article since none of them had such a measurement previously calculated. Excel worksheet was used for organizing the data while the sample normality was tested by using Shapiro Wilk tests (alpha = 0.05) and the Statistical Analysis System software (SAS). A mean value of 6.11 (SD = 1.83) for the coefficient of variation was found by the data analysis and the data had a normal distribution (p>0.05). A range classification was proposed for the coefficient of variation from such data, that is, it should be considered low for a value lesser than 2.44; intermediate for a value between 2.44 and 7.94, high for a value between 7.94 and 9.78, and finally, very high for a value greater than 9.78. Such classification can be used as a guide for experiments on adhesion materials, thus making the planning easier as well as revealing precision and validity concerning the data.


2020 ◽  
Vol 26 (1) ◽  
Author(s):  
SALAMI OLASUNKANMI ISMAILA ◽  
YUSUF ADEYEMI SALAMI ◽  
SIDIKATU IBIYEMI KUYE ◽  
OLAWALE USMAN DAIRO ◽  
NURUDEEN OLATUNDE ADEKUNLE

This study conducted an ergonomic evaluation of the working posture of workers engaged in various processes in the packaging section of a food manufacturing company. Workers in the packaging section of the food manufacturing company were divided into operating, folding, packing, carton wrapping and palletizing. Forty of the workers in the packaging section were placed under observation through video recording of their daily activities for a period of three months to obtain their working postures. Rapid Upper Limb Assessment (RULA) was used to analyze the working postures in order to obtain their ergonomic risk levels. Computer codes for RULA were written for quick and easy evaluation of upper arm, lower arm, wrist, wrist twist, neck, trunk and leg postures. The results from RULA indicated that 25% of the workers in the operating and folding units were exposed to medium ergonomic risk level; 30% of the workers in the packing unit and 10% of the workers in the carton wrapping unit were exposed to high ergonomic risk level while 10% of the workers in the palletizing unit were exposed to a very high ergonomic risk level. The study concluded that workers in the packaging section of the food manufacturing company were exposed to between medium and very high ergonomic risk levels of working posture necessitating the need to change the conditions of their workstations.


2020 ◽  
Vol 26 (1) ◽  
Author(s):  
SALAMI OLASUNKANMI ISMAILA ◽  
YUSUF ADEYEMI SALAMI ◽  
SIDIKATU IBIYEMI KUYE ◽  
OLAWALE USMAN DAIRO ◽  
NURUDEEN OLATUNDE ADEKUNLE

<p class="Els-Abstract-text">This study conducted an ergonomic evaluation of the working posture of workers engaged in various processes in the packaging section of a food manufacturing company. Workers in the packaging section of the food manufacturing company were divided into operating, folding, packing, carton wrapping and palletizing. Forty of the workers in the packaging section were placed under observation through video recording of their daily activities for a period of three months to obtain their working postures. Rapid Upper Limb Assessment (RULA) was used to analyze the working postures in order to obtain their ergonomic risk levels. Computer codes for RULA were written for quick and easy evaluation of upper arm, lower arm, wrist, wrist twist, neck, trunk and leg postures.  The results from RULA indicated that 25% of the workers in the operating and folding units were exposed to medium ergonomic risk level; 30% of the workers in the packing unit and 10% of the workers in the carton wrapping unit were exposed to high ergonomic risk level while 10% of the workers in the palletizing unit were exposed to a very high ergonomic risk level. The study concluded that workers in the packaging section of the food manufacturing company were exposed to between medium and very high ergonomic risk levels of working posture necessitating the need to change the conditions of their workstations.</p>


1974 ◽  
Vol 65 ◽  
pp. 201-201
Author(s):  
Theodore R. Gull ◽  
C. R. O'Dell ◽  
R. A. R. Parker

The region of the 8200 Å Band of H2O was studied in spectra of Venus obtained with an echelle grating spectrograph operated at an altitude of 14.6 km in the NASA Learjet research aircraft. Taking advantage of low foreground absorption, observing at a time of velocity quadrature, differential spectroscopy with respect to lunar spectra, and spectrum averaging, we establish a value of H2O of 3 ± 20 μ for the total path over the entire disk. This value differs from earlier studies of the integrated disk but supports the low values recently derived from infrared bands and by very high spectral resolution groundbased studies.These results establish that the average value over the entire disk is quite low but allows that locally larger values may exist as reported by Barker. A more complete description of this work appeared in Icarus21 (1974), 213.


2018 ◽  
Vol 4 (2) ◽  
pp. 65
Author(s):  
Herindra Adhi Nusantara ◽  
Guntarti Tatik Mulyati Suharno

Working facilities may influence worker’s working posture. CV.Tani Organik Merapi (CV.TOM) is an organic vegetables company. The company provides ”dingklik” (footstool) for working. While working with “footstool”, workers must bend their legs with high bend degrees as well as their back. This poor working posture is caused by bad working facilities. It’s important to check the working posture to know whether the improvement of working facilities is needed or not. Ovako Working Analysis System (OWAS) was used to check the badness level of working posture in every CV.TOM’s working activities. It’s identified that packaging section has the worst working posture. Then it was decided to provide a new working facility to improve working posture in packaging section. CATIA V5 was used to design the new working facility. Three ergonomics tools were used to compare footstool” working posture with the new working facility. Those tools are Rapid Upper Limb Assessment (RULA), Manual Task Risk Assessment (ManTRA), and Rodgers Muscle Fatigue Analysis (RMFA). It was found that the new working facility can substitute “dingklik” with lower posture score and safer. Keywords: Ergonomics; Catia; Comfortability; Facility; Working posture


2019 ◽  
Vol 4 (1) ◽  
pp. 7
Author(s):  
Naurah Nadhifah ◽  
Irianto Irianto ◽  
A. Besse Ahsaniyah

Intorduction: The current most frequent health problem is Musculoskeletal Disorder (MSDs), which is pain in the neck muscles. Neck pain is a complaint taken at the back of the upper spine or cervical. Many factors affect neck pain. This study aims to determine the relationship of each risk factors with neck pain.Methods: This research was a descriptive cross sectional study involving 43 respondents based on the purposive sampling method. Risk factors taken were age, sex, years of service, work attitude, equality of shoulder height, and work posture measurements using Hand Arm Risk-Assesment Method (HARM)) and using the Visual Analog Scale (VAS) to assess the level of neck pain.Results: Data analysis using spearman with a value of p < 0.05 for years of service and work posture and the others factors with a value of p > 0.05 for sex, age, work attitude and equality of shoulder height that showed there was not significant relationship between gender, age, work attitude and equality of shoulder height with neck pain.Conclusion: There was a significant relationship between years of service and work posture with neck pain and there was not significant relationship between gender, age, work attitude and equality of shoulder height with neck pain.


2018 ◽  
Vol 1 (2) ◽  
pp. 67-77
Author(s):  
Ekawati Wasis Wijayati ◽  
Nurwijayanti Nurwijayanti ◽  
Koesnadi Koesnadi

Working posture that is not appropriately done and maintained in long period/ duration can cause complaints or health problems, especially musculoskeletal complaints. The emergence of musculoskeletal complaints can lead to fatigue and even concentration disorder in working that can result in decreasing of working productivity. The purpose of this study is to analyze musculoskeletal complaints and the influencing factors on shoe-craftsmen in Magetan leather craft center. The research design that is used is quantitative research using analytic observational method and cross sectional approach. The sampling technique is proportional qluster random sampling with 84 respondents of shoes-craftsmen in Sawo Magetan leather craft center. The data of the research were analyzed by ordinal regression test. The result of statistical analysis using ordinal regression shows that p value  = 0,000 (p <0,05) which means there is influence of working posture, duration, period of work, body size / BMI toward musculoskeletal complaints on shoe-craftsmen Magetan leather craft center. The strongest influence is working posture, period of work and duration. High-risk working postures that is performed continuously over a long period of time will increase the risk of musculoskeletal complaints, so it is necessary to take corrective action posture with ergonomic considerations.


2020 ◽  
Vol 6 (1) ◽  
pp. 23
Author(s):  
Erman Syarif ◽  
Syamsunardi Syamsunardi ◽  
Alief Saputro

This study aims to determine the implementation of discovery learning in improving scientific and cognitive attitudes of students. This type of research is a classroom action research conducted in class X Is7. Each cycle consists of four stages, namely planning, implementing, observing, and reflecting. The instruments in this study were observation sheets, scientific attitude questionnaires and cognitive tests. The results showed: 1) the scientific attitude of the first cycle students showed an average value of 3.9 in either category. Cycle II scientific attitudes of students showed an average value of 4.4 in either category. 2) the average cognitive value in the first cycle with a value of 70.18 in the sufficient category and an increase in the second cycle with a value of 89.23 in the very high category. This improvement illustrates that students have an effort in mastering subject matter. Discovery learning has a positive impact in improving students 'scientific and cognitive attitudes which are marked by an increase in students' learning completeness in each cycle.


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