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Analisa Kapasitas Produksi dalam Mengantisipasi Kenaikan Jumlah Permintaan di PT. Semen Gresik (Persero) Tbk. Pabrik Tuban Umar Wiwi, ; Wahyu Dwi K,
Otopro Vol 5, No 2 (2010)
Publisher : Otopro

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Abstract

Tujuan penelitian ini adalah untuk meramalkan permintaan semen dan membandingkan apakah kapasitas yang tersedia di perusahaan bisa memenuhi kapasitas yang diperlukan di PT. Semen Gresik (Persero) Tbk. Pabrik Tuban, berapa tambahan kapasitas yang diperlukan dan berapa tambahan mesin untuk mengantisipasi permintaan. Metode penelitian yang digunakan adalah  diskriptif kuantitatif.Variabel penelitiannya adalah peramalan permintaan semen, kapasitas tersedia dan kapasitas yang diperlukan.Pengambilan data menggunakan metode observasi dan studi pustaka. Hasil yang dicapai: peramalan permintaan semen tahun 2006-2010 sebesar 6.530.641 ton, 6.873.941 ton, 7.235.288 ton, 7.615.629 ton, dan 7.986.280 ton, tambahan kapasityas yang diperlukan  pada tahun 2010, Mesin Limestone Crusher,  sebesar 47,77 jam, Mesin Clay Crusher 1.671,43 jam, Mesin Raw mill 2.315,38 jam; jumlah mesin yang harus ditambah : Limestone Crusher  1 unit tahun 2009; mesin Clay Crusher 1 unit ditambah tahun 2006 dan 1 unit lagi ditambah tahun 2009, sedangkan mesin  Raw mill  ditambah satu unit tahun 2008. The Objectives of this research are to forecast cement production demand, to make comparison between the available production capacity and the demand capacity at PT. Semen Gresik (Persero) Tbk. Tuban Factory, and to calculate how many additions of production capacity and the number of machine which are needed to anticipate increasing demand. The used methodology in this research is quantitave description method. The variables of research are cement production forecast demand, available capacity and the production capacity which is needed.  Observation method and literature study is used to collect the data.The obtain results are the forecasting of cement production demand at 2006 until 2010 about 6,530,641 ton, 6,873,941 ton, 7,235,288 ton, 7,615,629 ton, and 7,986,280 ton respectively. The additions of production capacity at 2010 are Limestone Crusher machine about 47.77 hours, Clay Crusher machine about 1,671.43 hours, and Raw mill machine about 2.315,38 hours. The additional numbers of machines are one unit of Limestone Crusher at 2009; one unit of Clay Crusher at 2006 and one more unit at 2009,  Raw mill machine is added one unit at 2008.
Pengendalian Safety Stock Guna meminimalkan Biaya Penyimpanan melalui Pendekatan Sistem Kanban Sebagai Pendukung Sistem Produksi Just In Time Umar Wiwi; Eti Kristinawati
Jurnal Teknik Industri Vol. 3 No. 2 (2002)
Publisher : Department Industrial Engineering, University of Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22219/JTIUMM.Vol3.No2.104-114

Abstract

Based on ultimate goal of each company in gaining maximum profit with minimum total cost then one of alternative should be done in achieving this goal is avoiding excessive raw material stock resulting in high storage cost. The object of this research is CV. Pabrik Mesin Guntur Malang,an industrial water pumpcompany which is having difficulty in controlling raw material stock so that it often experiences abundant stocks.So,the problem is how to make stock controli n order to reduce stocks a mount that will result in storage cost reduction. Production S ystem Just in Time applying Karban system, that has been being implemented this far by Toyota Motor Corporation, Japan, is proposed to be implemented in that company as well in order to reduce prevailing inefficiency result from this existing problem. By applying Kanban system as support for the Production System Just in Time, it is shown that the system is capable in reducing stocka mount by 77.56%f or GTR type water pump and 89.59% for GTO type water pump. While reductions of storage cost achieved are78.99% for GTR type water pump and 90.45% for GTO tlpe water pump
Analysis Measurement of Quality Service Hotel with Approach of Method Servqual Umar Wiwi
Jurnal Teknik Industri Vol. 9 No. 1 (2008): Februari
Publisher : Department Industrial Engineering, University of Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22219/JTIUMM.Vol9.No1.61-67

Abstract

Hotel UMM Inn is a kind of hotel in Malang at Muhammadiyah Malang University. Hotel UMM Inn in university Commitment of service quality that orients to customer in main prerequisite in supporting a bussines success, especially to service industry. This is caused a service quality is largely depending from who how the service is given. In A Quarter of hotel bussines in malang and the coming of Motel, Wisma and Villa. In this research, method which used in measurement of service quality is method of Servqual. Assessment of quality of service by using method of Servqual reckoned from by difference between expectation and perception of service. Data-Processing taken is calculation of expectation score and perception of custumer, calculation of service gap score, determination of service quality factor and map service variable into Customer Window. Result of this research indicate that score of is quality of hotel service there are 7 valuable service variable of negativity like Hygiene of hotel UMM Inn, availibility of clean water in toilet, accident insurance guarantee and the others. Result of from Customer Window indicate that service variable which must be made by especial priority (Here Concentrate) which must fulfill by hotel management of UMM Inn that is clean of Hygiene of hotel UMM Inn, availibility of clean water in toilet, and departure and the others.