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All Journal Jurnal Ergonomi Indonesia (The Indonesian Journal of Ergonomic) Logic : Jurnal Rancang Bangun dan Teknologi Bhakti Persada Jurnal Aplikasi IPTEKS Jurnal Teknodik Logic : Jurnal Rancang Bangun Dan Teknologi
I Ketut Gede Juli Suarbawa
Politeknik Negeri Bali
Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Mechanical Engineering Public Health

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TINGKAT BEBAN KERJA PERAJIN GAMELAN BALI I Ketut Gde Juli Suarbawa; Nyoman Adiputra .; I Dewa Sutjana; Ketut Tirtayasa .
Jurnal Ergonomi Indonesia (The Indonesian Journal of Ergonomic) Vol 2 No 2 (2016): Volume 2 No 2 Desember 2016
Publisher : Program Studi Magister Ergonomi Fisiologi Kerja Pascasarjana Universitas Udayana Denpasar Bekerjasama dengan Perhimpunan Ergonomi Indonesia (PEI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JEI.2016.v02.i02.p05

Abstract

The production process of making gamelan in the village Tihingan, Klungkung, Bali, still using the traditional fireplace with open flames both to the melting process as well as on the process of formation so that crafters fairly heavy workload caused by exposure to radiation heat and dust. This research was conducted observational against 5 people workers (craftsman) gamelan nguwad process. The workload is measured by pulse craftsman work. Microclimate in the workplace were measured wet temperature, dry temperature, humidity, intensity of noise, and light intensity. Musculoskeletal disorderpredicted by questioner of Nordic Body Map and general fatigue  predicted  by  the questioner 30 items exhaustion with four Likert scale. The results of the research to get the pulse of gamelan craftsmen working on a furnace repairman 116.25 ± 3.78, the flop workers 115.42 ± 2.47, and 3.29 ± 126.47 of nguwad workers. The cardio vasculer load obtained 50.13 ± 3.42% so the recommended 75% work and 25% rest. Gamelan making production process also cause a variety of subjective disorders. It was concluded that (a) the level of workload on a craftsman gamelan is the artisan perapen and artisan-flops belonging to the workload being, the artisan nguwad workload is quite heavy, (b) based on the value of CVL, workload craftsman gamelan in Bali including the workload being, ( c) a significant increase in musculoskeletal disorder and general fatigue. To overcome this condition it is recommended that the working process of making gamelan remedied through the implementing appropriate technology and ergonomics intervention.
The Development of Green Technology Model in the Process of Making Gamelan, Klungkung Regency, Bali I Ketut Gde Juli Suarbawa
Logic : Jurnal Rancang Bangun dan Teknologi Vol 20 No 1 (2020): March
Publisher : Pusat Penelitian dan Pengabdian kepada Masyarakat (P3M) Politeknik Negeri Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31940/logic.v20i1.1774

Abstract

The work bent on the smelting process which is very low and with the flame still open so that the heat from combustion is wasted into the environment has the potential to pollute the environment and expose the craftsmen to cause an increase in workload, subjective disorders and a decrease in work productivity. For this reason, one short case study was conducted with a pre and pos test group design that was carried out observationally on craftsmen in the bronze smelting process for gamelan raw materials. The workload was predicted by calculating the working pulse, fatigue and complaints of skeletal muscle craftsmen recorded by questionnaire. The results of the research data were analyzed descriptively to obtain a new design of the bronze metal smelting furnace model so that the work attitude was more ergonomic. The results showed that the work pulse increased to 132.42 ± 4.41 per minute or increased by 58.21 beats per minute, including in the category of "heavy" workload. The mean score of musculoskeletal disorders after work increased to 49.30 ± 4.98 and the mean score of fatigue complaints after work also increased to 50.12 ± 1.23. Work productivity decreased from 101.21 ± 5.21 at the beginning of work to be 95.42 ± 2.12 at the end of work. For that, a bronze metal smelting furnace is redesigned, namely redesigning the height of the work field to 60-65 cm from the floor so that the worker's work posture becomes natural and the top of the smelting furnace is equipped with a canopy to remove dust and heat from the workplace.
Effect of Heat Radiation on Work Load and Gamelan Crafts Productivity I Ketut Gede Juli Suarbawa; M. Yusuf
Logic : Jurnal Rancang Bangun dan Teknologi Vol 21 No 1 (2021): March
Publisher : Pusat Penelitian dan Pengabdian kepada Masyarakat (P3M) Politeknik Negeri Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31940/logic.v21i1.2448

Abstract

The production process of making gamelan in Tihingan Village still uses the traditional way, namely using prapen with an open flame both for the melting process and in the formation process. This causes the workload of craftsmen to be quite heavy due to exposure to radiant heat and dust. The results of microclimate measurement of the work environment obtained an average dry temperature of 33.2oC, an average wet temperature of 24oC. The average ball temperature was 33oC, WBGT 26.3oC and the mean humidity (RH) was 59.0%. The average light intensity at work reaches 319.2 lux. The average temperature of the furnace at low heat is 340oC and during the combustion process it reaches 860 oC. The results of measurements of air quality in the workplace include levels of NO2 17.00 µg /m3 (increased by 112.50%), SO2 5.33 µg/m3 (increased by 45.23%), CO 407.16 µg/m3 (increased by 217, 99%), oxidants (Ox) 61.00 µg/m3 (increased by 1.67%) and dust 48.50 µg/m3 (increased by 125.58%). The mean pulse of the nguwad workers reached 125.81±1.35 beats/minutes (including heavy workload). This causes the productivity of craftsmen to be low due to the increase in musculoskeletal disorders and craftsmen fatigue. To overcome this condition, the workings of the craftsmen need to be improved immediately through the application of appropriate technology in the form of furnace repair so that the flames and dust produced can be removed from the workplace, then exposure to hot air and combustion dust will no longer expose the craftsmen.
PERBAIKAN PERAPEN PERAJIN GAMELAN DESA TIHINGAN KLUNGKUNG BALI DAPAT MENINGKATKAN PRODUKTIVITAS KERJA PERAJIN I Ketut Gede Juli Suarbawa; I Ketut Bangse
Bhakti Persada Jurnal Aplikasi IPTEKS Vol 1 No 1 (2015): November 2015
Publisher : P3M Politeknik Negeri Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (594.425 KB)

Abstract

Proses produksi pembuatan gamelan ini masih tradisional dengan menggunakan prapen (tempat kerja) dengan nyala api terbuka baik untuk proses peleburan maupun proses pembakaran bahan untuk pembentukan gamelan (nguwad)untuk proses peleburan dan pembentukan sehingga meningkatkan beban kerja perajin akibat paparan panas radiasi dan debu. Kondisi lingkungan kerja perajin yang belum nyaman dimana rerata suhu basah di tempat kerja mencapai 27,85 ± 0,12 oC dan rerata suhu kering mencapai 31,09 ± 0,97 oC, sehingga sebagian besar perajin merasakan beban yang cukup berat dalam proses kerja, terutama pada proses peleburan dan proses nguwad (pembentukan gamelan). Proses kerja peleburan dan proses nguwad beban kerja perajin cukup berat disertai paparan panas radiasi, adanya debu yang potensial menggangu kesehatan kerja dan lingkungan, hal ini menyebabkan produktivitas perajin menjadi rendah. Selain itu proses kerja yang cukup berat menyebabkan perajin tidak mampu bekerja sepanjang hari dan sering setelah berturut-turut kerja selama 3 hari mereka libur selama 1 hari. Tentu kondisi ini menyebabkan berkurangnya penghasilan perajin. Ongkos yang diterima perajin adalah dengan sistem borongan dalam satu kelompok perajin yang terdiri dari 3 sampai 4 orang per group. Meningkatnya kelelahan perajin ini dikarenakan adanya lingkungan kerja yang panas akibat paparan panas dari tungku yang terbuka, dan adanya sikap kerja berdiri dan membungkuk saat penuangan logam cair ke dalam cetakan serta jika duduk sering dengan sikap duduk tidak alamiah. Untuk itu perlu dilakukan penerapan iptek bagi masyarakat melalui perancangan sistem pembuangan asap dan debu melalui pendekatan ergonomi dengan rancangan pre and post test desaign group. Setelah penggunaan sistem pembuangan asap dan debu, diperoleh bahwa terjadi penurunan kadar debu di tempat kerja dari rata-rata 49,51 µg/m3 menurun menjadi 25,90 µg/m3. Demikian juga rerata denyut nadi tukang perapen mencapai 115,31 ± 2,56 denyut/menit, setelah perbaikan menurun menjadi rerata 111,81 ± 3,52 denyut/menit. Rerata denyut nadi tukang jepit mencapai 114,71 ± 3,24 denyut/menit menurun menjadi 110,41 ± 4,96 denyut/menit dan rerata denyut nadi tukang nguwad mencapai 125,71± 3,21 denyut/menit (katagori beban kerja berat) menurun menjadi rerata 123,01 ± 2,05 denyut/menit (katagori beban kerja sedang). akibat suhu lingkungan yang tinggi, suhu tubuh akan meningkat sehingga meningkatkan denyut nadi. Keluhan Kelelahan menurun dari skor 52,79 menurun menjadi 38,51 dan skor keluhan otot skeletal juga menurun dari 58,44 menjadi 38,74. Sehingga produktivitas meningkat dari rata-rata 0,89 menjadi 1,04.
PENGARUH MODEL PEMBELAJARAN KONSTRUKTIVISME 4 SIKLUS TERHADAP HASIL BELAJAR K3 DAN PSIKOLOGI INDUSTRI I ketut Gde Juli Suarbawa
Jurnal TEKNODIK Jurnal Teknodik Vol. 12 No. 1, Juni 2008
Publisher : Pusat Data dan Teknologi Informasi Kementerian Pendidikan Kebudayaan, Riset dan Teknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (50.683 KB) | DOI: 10.32550/teknodik.v12i1.422

Abstract

Model pembelajaran diskusi dengan panduan buku ajar yang diterapkan pada mata kuliah K-3 dan Psikologi Industri menyebabkan prestasi belajar masih rendah, karena menimbulkan miskonsepsi yang dialami oleh mahasiswa dan bersifat resisten terhadap pembelajaran. Untuk itu dibutuhkan model pembelajaran yang tepat, agar proses pembelajaran dapat berlangsung dengan nyaman, dan lebih bermakna melalui penelitian tindakan kelas (PTK). Penelitian ini terdiri dari empat kegiatan utama yang dilakukan dalam siklus berulang. Setiap siklus terdiri dari: (a) perencanaan, (b) tindakan, (c) pengamatan, dan (d) refleksi. Setelah dilakukan dalam empat siklus diperoleh peningkatan skor aktivitas mahasiswa dari kategori kurang aktif menjadi aktif, peningkatan skor kooperatif mahasiswa dari kurang kooperatif menjadi sering kooperatif, peningkatan skor minat belajar dari kurang berminat menjadi sering berminat, peningkatan kemampuan dosen mengajar dari kategori cukup menjadi baik, dan meningkatkan ketuntasan belajar nilai mahasiswa di atas 5,4 hingga 92,59 % dan nilai A dan B sebesar 77,78 %. Dengan demikian pemilihan model konstruktivisme dalam pembelajaran K-3 dan Psikologi Industri dapat diterapkan  sebagai upaya untuk menumbuhkan cara belajar yang aktif dan meningkatkan interaksi dalam sasaran belajar, dan meningkatkan ketuntasan belajar.
Design and Fabrication of a Fixed Bed Pyrolysis with LDPE Plastic Waste I Made Agus Putrawan; I Ketut Gde Juli Suarbawa; I Made Rajendra; INS Winaya
Logic : Jurnal Rancang Bangun dan Teknologi Vol. 21 No. 3 (2021): November
Publisher : Unit Publikasi Ilmiah, P3M, Politeknik Negeri Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1435.388 KB) | DOI: 10.31940/logic.v21i3.179-183

Abstract

This paper presents the design of a fixed bed reactor pyrolysis to convert plastic waste type LDPE into condensate oil. The dimensions of the batch type pyrolysis reactor are adapted to household needs and are designed to be easy to operate and transport. From the results at three different pyrolysis temperature variations; 250 oC, 275 oC and 300 oC shows that reactor yields a maximum condensate oil of 45,3wt% at temperature of 300 oC. In addition, the weight of charcoal also decreased along with the increase in operating temperature.
Co-Authors I Dewa Putu Sutjana I Dewa Sutjana I Ketut Bangse I Made Agus Putrawan I Made Rajendra I Nyoman Adi Putra I Nyoman Suprapta Winaya J Alek Pangkahila, J Alek Ketut Tirtayasa M. Yusuf