Tiena Gustina Amran
Program Studi Teknik Industri, Fakultas Teknologi Industri, Universitas Trisakti, Jl. Kyai Tapa No. 1, Grogol, Jakarta Barat 11440

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BACKORDER RAW MATERIAL INVENTORY CONTROL SYSTEM WITH LEAD TIME AND ORDERING COST REDUCTION: CASE STUDY PT ICI PAINTS INDONESIA Amran, Tiena Gustina; Lesmono, Dinar Suryo
Industrial and Systems Engineering Assessment Journal (INASEA) Vol 12, No 2 (2011): INASEA Vol. 12 No. 2
Publisher : Industrial and Systems Engineering Assessment Journal (INASEA)

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Abstract

This research investigates the continuous review inventory model involving variable lead time with partial backorders, where the amount is uncertain. PT ICI Paints Indonesia is one of chemical industries which produced paint. The main problems faced by company are often occur stock out and also over stock of raw material replenishment, and the second case is raw material ordering lead time which can’t be controlled and determined its extent so the company more depend on the supplier policy. The purpose of this research is to suggest the optimal raw material inventory system alternatives synchronized with the stock out characteristics and the condition can be occurred. Besides, the backorder raw material inventory control can reduce lead time and raw material ordering cost. After the calculation, the optimal solution of inventory models can be obtained; those are with backorder condition which produced the annual inventory total cost amount of 15.069.845.628, 27 rupiahs; which mean it just effectively save inventory cost by 5, 81% for the company.
PEMILIHAN PEMASOK KOMPONEN OTOMOTIF DENGAN ANALYTICAL HIERARCHY PROCESS DAN BENCHMARKING Amran, Tiena Gustina
Industrial and Systems Engineering Assessment Journal (INASEA) Vol 13, No 1 (2012): INASEA Vol. 13 No. 1
Publisher : Industrial and Systems Engineering Assessment Journal (INASEA)

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Abstract

The trend of global manufacturing era (world class manufacturing) is partnership and long term cooperation. In the automotive industry, component and part supply chain structure is closely linked, so the quality of the supplier determines the quality of the final product. Global manufacturing quality benchmarking approach is used to improve the quality of the automotive component industry from domestic suppliers (local content). The purpose of this study is to assess the supplier in accordance to a predetermined quality to be a potential partner. The study was conducted for six groups of suppliers: engine component manufacturers, steering and suspension, car accessories, electric, chassis and tires. The assessment criteria consist of price, flexibility, quality, delivery, and services. Data were collected from 20 automotive components suppliers with check lists, interviews and direct observation to the factory. Determination of the weight of the assessment is done using Analytical Hierarchy Process (AHP) method. By conducting priority sequencing, the benchmarking of six groups of suppliers of automotive components and best supplier selection can be done. In addition, the benchmarking process of a supplier that can serve as a best practices process is also obtained.
RANCANGAN WORKFORCE SCORECARD UNTUK PELAYANAN PENERBANGAN CARGO Amran, Tiena Gustina; Indrawan, Thedy
Jurnal Ilmiah Teknik Industri Vol. 13, No. 1, Juni 2014
Publisher : Universitas Muhammadiyah Surakarta

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Abstract

Persaingan antar pelaku bisnis semakin ketat dalam era globalisasi yang menuntut perusahan untuk dinamis dan adaptif terhadap perubahan lingkungan bisnis. Perubahan kearah strategi yang dapat diimplementasikan sesuai dengan perkembangan pasar memerlukan system kendali yang seimbang dalam perspektif  finansial, pelanggan, proses bisnis dan pertumbuhan learning and growth yaitu dalam Balanced Scorecard. Dalam perspektif learning and growth merupakan hal mendasar untuk diperhatikan sebagai kontribusi sumber daya manusia dalam implementasi strategi. Workforce Scorecard dirancang untuk keperluan sebagai sebuah alat pengukuran yang lebih mendalam untuk memastikan terpenuhinya perspektif tersebut. Terdapat empat perspektif yang digunakan sebagai indicator yaitu kesuksesan pekerja, kepemimpinan dan perilaku, kompetensi, serta pola fikir dan budaya. Penelitian aplikatif tahap pertama  analisa dan matriks SWOT untuk perancangan Balanced Scorecard.  Dari hasil perpektif learning and growth dirumuskan Workforce Scorecard dan dilakukan klasifikasi penentuan tenaga kerja di posisi “A”. Kinerja yang dihasilkan adalah 77.52%  dan harus ditingkatkan pelayanan maksimal kepada pelanggan.
BACKORDER AND LOST SALES CONTINUOUS REVIEW RAW MATERIAL INVENTORY CONTROL SYSTEM WITH LEAD TIME AND ORDERING COST REDUCTION Amran, Tiena Gustina; Lesmono, Dinar Suryo
Jurnal Ilmiah Teknik Industri Vol. 11, No. 1, Juni 2012
Publisher : Universitas Muhammadiyah Surakarta

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Abstract

The purpose of this research is to suggest the optimal raw material inventory system alternatives synchronized with the stock out characteristics and the condition can be occurred, the backorder raw material inventory control, beside that it also can reduce lead time and raw material ordering cost. In this case, the inventory models also extent (Q, R) Inventory Model Under lead Time and Ordering Cost Reduction with lead time and ordering cost can be reduced. After the calculation, the optimal solution of inventory models can be obtained; those are with backorder condition which produced the annual inventory total cost for the company.
BACKORDER AND LOST SALES CONTINUOUS REVIEW RAW MATERIAL INVENTORY CONTROL SYSTEM WITH LEAD TIME AND ORDERING COST REDUCTION Amran, Tiena Gustina; Lesmono, Dinar Suryo
Jurnal Ilmiah Teknik Industri Vol. 11, No. 1, Juni 2012
Publisher : Muhammadiyah University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/jiti.v11i1.983

Abstract

The purpose of this research is to suggest the optimal raw material inventory system alternatives synchronized with the stock out characteristics and the condition can be occurred, the backorder raw material inventory control, beside that it also can reduce lead time and raw material ordering cost. In this case, the inventory models also extent (Q, R) Inventory Model Under lead Time and Ordering Cost Reduction with lead time and ordering cost can be reduced. After the calculation, the optimal solution of inventory models can be obtained; those are with backorder condition which produced the annual inventory total cost for the company.
RANCANGAN WORKFORCE SCORECARD UNTUK PELAYANAN PENERBANGAN CARGO Amran, Tiena Gustina; Indrawan, Thedy
Jurnal Ilmiah Teknik Industri Vol. 13, No. 1, Juni 2014
Publisher : Muhammadiyah University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/jiti.v13i1.378

Abstract

Persaingan antar pelaku bisnis semakin ketat dalam era globalisasi yang menuntut perusahan untuk dinamis dan adaptif terhadap perubahan lingkungan bisnis. Perubahan kearah strategi yang dapat diimplementasikan sesuai dengan perkembangan pasar memerlukan system kendali yang seimbang dalam perspektif  finansial, pelanggan, proses bisnis dan pertumbuhan learning and growth yaitu dalam Balanced Scorecard. Dalam perspektif learning and growth merupakan hal mendasar untuk diperhatikan sebagai kontribusi sumber daya manusia dalam implementasi strategi. Workforce Scorecard dirancang untuk keperluan sebagai sebuah alat pengukuran yang lebih mendalam untuk memastikan terpenuhinya perspektif tersebut. Terdapat empat perspektif yang digunakan sebagai indicator yaitu kesuksesan pekerja, kepemimpinan dan perilaku, kompetensi, serta pola fikir dan budaya. Penelitian aplikatif tahap pertama  analisa dan matriks SWOT untuk perancangan Balanced Scorecard.  Dari hasil perpektif learning and growth dirumuskan Workforce Scorecard dan dilakukan klasifikasi penentuan tenaga kerja di posisi ?A?. Kinerja yang dihasilkan adalah 77.52%  dan harus ditingkatkan pelayanan maksimal kepada pelanggan.