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All Journal Jurnal Optimasi Sistem Industri Syntax Literate: Jurnal Ilmiah Indonesia
Adi, Alexie Herryandie Bronto
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Humanities Control & Systems Engineering Decision Sciences, Operations Research & Management Education Engineering Environmental Science Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Mechanical Engineering Social Sciences Other

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Journal : Jurnal Optimasi Sistem Industri

 1 
Evaluation and Development of Annual Drug Provides Planning at the Riau Islands Province Pharmaceutical Installation Ningsih, Indri Ayu; Almasdy, Dedy; Adi, Alexie Herryandie Bronto
Jurnal Optimasi Sistem Industri Vol. 18 No. 2 (2019): Published October 2019
Publisher : The Industrial Engineering Department of Engineering Faculty at Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/josi.v18.n2.p97-106.2019

Abstract

The high value of expired drugs in the Pharmaceutical Installation of the Riau Islands Province is one of the problems that is faced in the planning process of the Provincial Buffer Stock drug provides. The study was conducted with a qualitative approach and evaluation to understand and find the answers to the problems. The results from identification of problems that were carried out through Focus Group Discussion (FGD) are the data, human resources, and supporting factors that have a significant influence in preparing the plans for drug provides. The four main scales of priority of improvement strategies that were obtained in the preparation of drug planning are (1) Technical guidance and monitoring of evaluation of human resources at the health service center are carried out periodically by the Provincial Pharmacy Installation; (2) Availability of guidelines about the types of drugs that can be provided; (3) Provision of Standard Operational Procedure (SOP) and guidelines for the preparation of written drug providers; (4) The Pharmacy Installation Managers must be pharmaceutical professionals and not be burdened with other work. In an effort to improve data validation in the preparation of the drug provides the plan in the Pharmaceutical Installation of Riau Islands Province, the SILO application (Drug Logistics Information System) is recommended.
Usulan Aplikasi Metode Material Requirement Planning (MRP) dalam Perencanaan Kebutuhan Firebrick PT Semen Padang Aristiyanto, Fajar; Putri, Nilda Tri; Adi, Alexie Herryandie Bronto
Jurnal Optimasi Sistem Industri Vol. 15 No. 2 (2016): Published in November 2016
Publisher : The Industrial Engineering Department of Engineering Faculty at Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1127.146 KB) | DOI: 10.25077/josi.v15.n2.p217-226.2016

Abstract

The purpose of this article is to describe the results of research models firebrick requirements planning in PT Semen Padang with MRP method. Firebrick is one of the spare parts and essential in the production of operational PT Semen Padang as protective and insulating of shell kiln. This article describes the firebrick requirements planning at all kiln Indarung II / III, IV and V to meet the needs of 2017 up to 2018. One type of firebrick most widely used in PT Semen Padang is spinal firebrick. Spinal firebrick highly susceptible to hydration and moisture as the main component is MgO compound that is hygroscopic so susceptible to damage in the form of cracks firebrick. Based on the research that has been done, get MRP application design that can be used in planning the needs of firebrick PT Semen Padang to come. Plans need firebrick for compliance in 2017 to 2018 : (a) item 422 purchased through two phases in the 4th month of 12.711 pcs and in the 9th month of 24.909 pcs (b) item 622 purchased through two phases in the 4th month of 21.185 pcs and in the 9th month of 41.515 pcs (c) item P22 purchased through two phases in the 4th month of 446 pcs and in the 9th month of 874 pcs (d) item P + 22 purchased through two phases in the 4th month of 446 pcs and in the 9th month of 874 pcs (e) item 425 purchased in the 8th month of 14.626 pcs (f) item 825 purchased in the 8th month of 20.600 pcs (g) P25 item purchased in the 8th month of 412 pcs (h) P + 25 items purchased in the 8th month of 412 pcs.
Strategi Perencanaan Jumlah Material Tambahan dalam Memproduksi Semen dengan Pendekatan Taguchi untuk Meminimalkan Biaya Produksi (Study Kasus PT Semen Padang) Irawati, Nelvi; Putri, Nilda Tri; Adi, Alexie Herryandie Bronto
Jurnal Optimasi Sistem Industri Vol. 14 No. 1 (2015): Published in April 2015
Publisher : The Industrial Engineering Department of Engineering Faculty at Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/josi.v14.n1.p176-191.2015

Abstract

Cement is a construction material with a specific quality that must be meet standard requirements and customer requirements. Through a good and continuous quality control, it will produce cement with consistent quality as its Quality Planning. Cement quality is calculated after adding water by measuring its setting time, compressive strength developing, the heat of hydration, expansion/shrinkage, and its durability to environment effect. In cement application, the primary parameter to determine cement quality is its compressive strength. Some factors that affect compressive strength of cement are reactivity and amount of Tricalcium Silicate (C3S) of Clinker, Clinker free lime (free CaO), amount of SO3 in Cement, the amount of additional materials (insoluble residue/IR and loss on ignition/LOI), and sieve on 45 µm residue of cement. This research is intended to find how insoluble residue/IR, loss on ignition/LOI, and the amount of SO3 will affect compressive strength of cement. Various percentages of IR, LOI, and SO3 in cement will result in different compressive strength. Taguchi Method is applied to determine material proportion. With Orthogonal Array calculation for 3 factors and 4 levels, it will result in 16 calculation running times (L16 4**3). In laboratory scale, cement for this research has been being manufactured and then its compressive strength for 3 days, 7 days, and 28 days will be measured. Determination of optimal proportion will be calculated by statistic method for higher compressive strength and lower manufacturing cost.
Co-Authors Fajar Aristiyanto, Fajar Henmaidi, Henmaidi Nelvi Irawati, Nelvi Nilda Tri Putri Ningsih, Indri Ayu Tania Rama Nofri