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All Journal ASEAN Journal of Systems Engineering Jurnal technoscientia OPSI SCIENCE TECH: Jurnal Ilmiah Ilmu Pengetahuan dan Teknologi Tekinfo | Scientific Journal of Industrial and Information Engineering Jurnal Teknik Industri : Jurnal Hasil Penelitian dan Karya Ilmiah dalam Bidang Teknik Industri Conference SENATIK STT Adisutjipto Yogyakarta PRODUCTUM : Jurnal Desain Produk (Pengetahuan dan Perancangan Produk) Abdi Seni Jurnal Engine: Energi, Manufaktur, dan Material jurnal Teknik Industri - Unisi RESLAJ: RELIGION EDUCATION SOCIAL LAA ROIBA JOURNAL JURNAL TEKNOLOGI TECHNOSCIENTIA IEJST (Industrial Engineering Journal of the University of Sarjanawiyata Tamansiswa) JIE.UPY Nozzle : Journal Mechanical Engineering
Emmy Nurhayati
Industrial Engineering Department, Universitas Sarjanawiyata Tamansiswa, Indonesia
Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences Transportation

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Journal : JURNAL TEKNOLOGI TECHNOSCIENTIA

 1 
ANALISIS BEBAN KERJA FISIK DAN MENTAL PETUGAS CLEANING SERVICE MENGGUNAKAN METODE WORK SAMPLING DAN NASA-TLX (STUDI KASUS: UPT STASIUN BESAR LEMPUYANGAN) Widiastuti, Retno; Nurhayati, Emmy; Sari, Erlin Nur Indah
JURNAL TEKNOLOGI TECHNOSCIENTIA Technoscientia Vol 12 No 1 Agustus 2019
Publisher : Lembaga Penelitian & Pengabdian Kepada Masyarakat (LPPM), IST AKPRIND Yogyakarta

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Abstract

The problem that occurs in the cleaning service staff at PT KAI is that besides cleaning the station area, they also have to do other work, such as cleaning trains, filling water in train toilets which should have its own officers. There are still many train passengers who dispose of their waste improperly, thereby increasing the workload of cleaning service officers. Another problem is the lack of division of tasks in each element of work. The number of officers in each shift is also not the same, a minimum of 2 and a maximum of 8 people. The number of officers on the morning and evening shifts is 6 to 8 people, while the night shift is 2 to 3 people. The cleaning service staff works for 8 hours per shift with no break time, resulting in complaints of fatigue of the cleaning service staff. This study aims to analyze the physical and mental workload on the cleaning service staff at PT. KAI Daop VI Yogyakarta using work sampling and NASA-TLX methods. Based on the results of this study it was known that the physical workload of staff on the morning shift was 88.6% (=7.1 hours) and on shift 1 it was 93% (=7.4 hours) for 8 productive working hours. The mental workload of staff on shift 1 was 73.3% and 75.0% on shift 2. This indicated that the cleaning service staff workload was classified as heavy and there was a need to improve the work system. This condition indicates that the cleaning service staff workload is heavy and needs to improve the work system.
ANALISIS BULLWHIP EFFECT MENGGUNAKAN VENDOR MANAGED INVENTORY DI UMKM MARRONE yunitasari, elly wuryaningtyas; Wardana, Nina; Nurhayati , Emmy
JURNAL TEKNOLOGI TECHNOSCIENTIA Technoscientia Vol 14 No 2 Maret 2022
Publisher : Lembaga Penelitian & Pengabdian Kepada Masyarakat (LPPM), IST AKPRIND Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34151/technoscientia.v14i2.3591

Abstract

One of the problem of supply chain management is a bullwhip effect that causes less than an ideal system supply chain.. As well as UMKM Marrone, which is an industry home-based production of brownies, often experienced the bullwhip effect due to the forecasting are not properly uodated and fluctuations in demand in certain season. The bullwhip effect is one causes swelling of the cost of production. However, bullwhip effect can be anticipated by using a method of vendor managed inventory where the level of vendor controls both of the amount of production, distribution of the products are based on the demand of consumers. The result about the application of the bullwhip effect with the vendor managed inventory method based on the calculations of the BE parameter 1,15 the calculation of the BE value after and before VMI at the level of UMKM Marrone original steamed 1,17 to 0,54; double cheese 1,21 becomes 0,50, at the outlet Adiwerna original steam 1,17 become 0,56; double cheese 1,16 becomes 0,51, at outlet of Brebes orginal steam 1,17 become 0,51;double cheese  1,17 become 0,49, the outlet Mejasem original steam 1,17 become 0,52;double cheese 0,74 to 0,49,at Tegal original steam 1,16 become 0,55; double cheese 2,27 become 0,51.
Co-Authors Amin Nur Akhmadi, Amin Nur Atala Rohman Dharu Dinda Zulmarihana Dyah Ari Susanti Elly Wuryaningtyas Yunitasari Esti Dwi Pujaningsih Lestari, Fitri Ayu mukhamad khumaidi usman Muslikhin Hidayat Renno Angga Mardian Retno Widiastuti Retno Widiastuti Sari, Erlin Nur Indah Satria Utama, Satria Satrio Wibowo Mahardika Septi Asri Finanda, Septi Asri Shintya Kurniawan Sri Puji Saraswati Syamsul Ma’arif V. Reza Bayu Kurniawan VRB Kurniawan Wahyuniati Ridwan Wahyuniati Ridwan Wardana, Nina