Abstract
Spare parts is one of the production support components which plays an important role for the survival<br />of gas production in the gas processing facility owned by SKN JOB Pertamina Talisman Jambi Merang. The<br />high inventory level increased the high inventory cost for the industry which get the benefit from the efficiency<br />of processes and resources. This research involved consumable spare parts for Solar Turbine engine as much<br />as 25 SKUs with demand character patterned lumpy demand and Poisson distribution. The implementation<br />of policies using Periodic Review (R, s, S) with Power Approximation approach in the inventory system<br />capable to generate a lower total cost inventory by pressing the backorder volume, the booking volume and the<br />inventory levels in a balanced manner. Calculation of Periodic Review (R, s, S) with Power Approximation<br />approach resulted inventory parameter which was able to press the total cost of inventory at 8.54% lower and<br />increase the service level by 1.11%.
Highlights
Suku cadang adalah salah satu komponen pendukung produksi yang memegang peranan penting bagi kelangsungan produksi gas di fasilitas pengolahan gas SKN milik JOB Pertamina Talisman Jambi Merang
of the production support components which plays an important role for the survival of gas production in the gas processing facility owned by SKN JOB Pertamina Talisman Jambi Merang
The high inventory level increased the high inventory cost for the industry which get the benefit from the efficiency of processes and resources
Summary
Manajemen persediaan suku cadang yang efektif merupakan salah satu hal yang perlu diper-. Suku cadang consumable Solar Turbine adalah salah satu jenis suku cadang yang disimpan dalam sistem persediaan suku cadang di fasilitas pengolahan gas SKN miliki JOB Pertamina Talisman Jambi Merang (JOB PTJM). Suku cadang ini disediakan dengan tujuan mendukung operasi perbaikan dan mencegah terjadinya kerusakan pada kelompok mesin Solar Turbine. Dengan tingginya komposisi suku cadang consumable di sistem persediaan suku cadang mesin Solar Turbine, dibutuhkan sebuah manajemen persediaan yang baik untuk mencegah terjadinya overstock maupun stockout. Terutama suku cadang consumable Solar Turbine merupakan salah satu material yang memiliki frekuensi penggunaan tinggi dikalangan material yang dibutuhkan untuk operasi produksi dan pengolahan migas di fasilitas pengolahan gas SKN. Dari Gambar 1 didapat informasi bahwa tingkat persediaan untuk suku cadang Solar Filter Element 1039741 cukup tinggi untuk tingkat permintaan yang ada pada tahun 2013. Manajemen inventori dan rantai suplai bertujuan untuk memberikan tingkat layanan terbaik kepada user dengan biaya seminimal mungkin (Chima, 2011)
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