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All Journal Jurnal SImetri Rekayasa
Alda Febriansyah Chaniago
Universitas Harapan Medan
Civil Engineering, Building, Construction & Architecture Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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Perencanaan Kebutuhan Obat Menggunakan Metode Economic Order Quantity Alda Febriansyah Chaniago; Uun Novalia Harahap; Yetti Meuthia Hasibuan
Jurnal Simetri Rekayasa Vol 3 No 1 (2021): Edisi April 2021
Publisher : Universitas Harapan Medan

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Abstract

The development of increasingly modern science and technology makes competition between UMKM increasingly tight along with the number of new competitive companies that have sprung up in the same industry. One of the industries that continues to grow and has fierce competition is the pharmaceutical industry, namely the pharmacy. Pharmacy Samudra is a trading company engaged in the sale of medicines. In the field of inventory, where at this pharmacy, no method has been applied in the planning process for medicine supplies, thus allowing for a shortage of stock (stock out) or excess stock (over stock) of inventory. Based on the problems above, the writer will examine the planning of medicine supply at the Samudra Pharmacy using the EOQ (Economic Order Quantity) method. The results of this study for medicine with the most marketing size, namely ordering once for Betablock medicine of 70 boxes with a frequency of ordering 5 times, with Safety Stock for Betablock medicine is 131 boxes. And for the highest total cost, Cardisan medicine with total medicine costs Rp 5.512.125.
ANALISA PENILAIAN KINERJA KARYAWAN DENGAN METODE SIMPLE ADDITIVE WEIGHTING (SAW) DI UD. MARIADI RANGKA Rini Halila Nasution; Yetti Meuthia Hasibuan; Jumadi Suratman; Alda Febriansyah Chaniago; Suriandi Suriandi
Jurnal Simetri Rekayasa Vol 2 No 2 (2020): Edisi Oktober 2020
Publisher : Universitas Harapan Medan

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Abstract

UD. Mariadi Rangka is a business engaged in furniture, precisely in the manufacture of sofa frames. For optimal productivity results, employees who have expertise and work discipline are needed. In this case the company UD. Mariadi Rangka has not implemented a Performance Appraisal system, therefore it is necessary to assess the performance of employees to assist the company in making decisions such as promotion of positions, giving bonuses, wage increases, and termination of work. The conclusion of the results of this study is that there are 5 weight criteria that will be used as a reference in employee performance assessment, namely attendance with a weight of 30, ethics with a weight of 15, time discipline with a weight of 20, work quality with a weight of 20, and quantity of results with a weight of 15. From the calculation of Sugeng are employees best in UD. Mariadi Rangka with a Preference value of 89,9.
ANALISIS PERENCANAAN PERAWATAN MESIN STERILIZER DENGAN METODE OVERALL EQUIPMENT EFFECTIVENESS DAN SIX BIG LOSSES DI PT TORGANDA PKS RANTAU KASAI Rini Halila Nasution; Yetti Meuthia Hasibuan; Uun Novalia Harahap; Sekar Ayu Ony Ningrum; Alda Febriansyah Chaniago
Jurnal Simetri Rekayasa Vol 2 No 2 (2020): Edisi Oktober 2020
Publisher : Universitas Harapan Medan

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Abstract

PT. Torganda PKS Rantau Kasai is one of the palm oil processing plants that produce crude palm oil (CPO), and palm kernel (kernel) products. As the production process progresses, there is a problem with the sterilizer, namely downtime. The purpose of this study is to calculate the effectiveness of the sterilizer machine and provide a proposal for machine maintenance planning. The methods used are the Overall Equipment Effectiveness (OEE) and Six Big Losses methods to calculate the effectiveness of the machine and find out what losses are the largest. The results of the calculation of the effective value of the sterilizer machine from May 2021 to April 2022 the average availability ratio value is 96.33%, the performance efficiency of 64.40%, and the rate of the quality product is 100%. o the value of Overall. Equipment Effectiveness (OEE) is 62.04%. This value is still below the predetermined World OEE standard of 85%. The value of six big losses that had the biggest effect on the decline in the effectiveness of sterilizers was reduced speed losses, which was 82.46%. The proposed maintenance planning carried out is to improve the maintenance of the sterilizer machine on a daily, weekly, and monthly basis, apply preventive and corrective maintenance on the sterilizer machine, and conduct periodic inspections on the sterilizer machine.
Co-Authors Jumadi Suratman Rini Halila Nasution Sekar Ayu Ony Ningrum Suriandi Suriandi Uun Novalia Harahap Yetti Meuthia Hasibuan Yetti Meuthia Hasibuan Meuthia Hasibuan