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Jurnal Titra
Published by Universitas Kristen Petra Surabaya
ISSN : -     EISSN : -     DOI : -
Core Subject : Engineering,
Industrial & Manufacturing Engineering
Arjuna Subject : -
Articles 949 Documents
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Pengendalian Persediaan di Distributor Hasil Daniel Kurniawan; Herry Christian Palit
Jurnal Titra Vol 1, No 2 (2013)
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Abstract

Hasil distributor runs a building equipment product. The service of this company is dealing with retailer's demand using make to order system. There are some sales difficulties issues in Hasil distributor, therefore in some occasion there will be an unfullfilled demand conditions. Based on issues faced by the Hasil distributor, we do the analysis to control inventory. The analysis is using forecasting method, in order to predict retailer's demand to Hasil distributor in the future. Forecasting method that are used to support the analysis are time series with moving average method, single ex smoothing, double ex smoothing, and winter method. The calculation of EOQ (Economic Order Quantity) multi item will be based on the forecasting result which will be useful for supply control in Hasil distributor and for minimizing the supply cost.The analysis is using the comparison between company method and EOQ multi item method for period of three months. Company method shows 28% fullfilled demand and 72% unfullfilled demand with lost sale IDR. 14,593,936,- while the result from EOQ multi items is 56% fullfilled demand and 44% unfullfilled demand with holding cost IDR. 56.507,-. Based on the above result, EOQ multi item method gives better result than the company method.
Pengoptimalan Distribusi Barang pada Dua Depo PT. X dengan Dua Tipe Kendaraan yang Berbeda Yosephine Tiffani Gondo
Jurnal Titra Vol 4, No 1 (2016): Jurnal Titra
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Abstract

 This study is a continuation of previous studies, by Lydia Yoanita research conducted in 2014 under title The Distribution Optimization Goods with N Vehicles with Two Depos. Problems solved by four alternative methods, and the results declared one of the methods chosen for the most optimal in terms of distance and time calculations. The advantage of this method is generating distance and time calculations are optimal. The downside of the four methods is use same assumptions, vehicle capacity is 130 gallons. This study focuses on the difference in the two types of vehicles of different capacities, 130 gallons and 108 gallons. The design is done by grouping the corresponding customer address using clustering methods and Clarke and Wright algorithm. Grouping is limited by the capacity of the vehicle that has been available at each depot. Results of this design is 12 divided by the delivery of two vehicle types and two different depos. These routes are said to be optimal when the vehicles reach maximum capacity and relatively close proximity to the depos.
Penurunan Risiko pada Proses Impor di PT. X Ellice Josephine Ongkodjojo; Felecia Felecia
Jurnal Titra Vol 7, No 2 (2019): Jurnal Titra
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Abstract

PT. X is a multinational company that do a lot of export and import transactions. Import process that aren’t align with government’s regulations will be fined and so far, there are no prevention actions that conducted by the company for solving this problem. Reconcile method is a new way that is used for checking errors or mistakes that might be happened in import process especially in payment process. Later, data processing with reconcile method will be yield to category of risk potential that might be happened. Next, these categories will be assessed to determine the risk that is priority to be solved. Failure Mode Effects and Analysis (FMEA) will be used for assess the risk category. The objectives of this research are designing a risk, identify the root causes and propose some actions for solving the causes. The risk categories that have been discovered will be identified to know the root causes of its categories. The risk category that have the highest Risk Priority Number (RPN) will be prioritized to be solved. The top three categories with high RPN are different value, wrong freight calculation by customs broker and different quotation. Proposed solutions are used to minimize the risk potential of import process in the future and potentially reduce the fine by Rp 221.807.178,40. Proposed solutions in general are conduct standard communication with Asia procurement and socialization to workers from custom broker.
DESAIN PENGURANGAN LEAD TIME SIKLUS KONTAINER UNTUK MEMPERCEPAT PERPUTARAN STOK KONTAINER DI PT X Roby Heryanto; I Nyoman Sutapa
Jurnal Titra Vol 6, No 1 (2018): Jurnal Online Teknik Industri
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Abstract

The aim of this research is to analyze the lead time of container cycle for Surabaya-Banjarmasin-Surabaya route in PT. Salam Pacific Indonesia Lines (SPIL). For a single trip route, each container will go through at least 17 times of status displacement. Software Process Simulator is used to provide a comprehensive insight and depth understanding on the status displacement. It simulates the container’s status displacements through the whole process. The Pareto Chart of the simulation results indicates that the FXD (Full ex-discharge) status and FTL (Full to Load) status have a lot of room to be improved. The results of this study, suggests to increase the demurrage cost by 30% from the initial price so that the time needed for FXD status is not too long. Additionally, for the FTL status, the proposed solution ns are to exert weighing and reexamine on the container’s seal before the ‘Surat Penyerahan Container’ (SPC) is given to the administrator and to eliminate the “administator confirmation” activity from ship operation protocols. By the simulation the lead time of the whole process will reduce by 12.7 hours.
Penyusunan Hazard Identification Risk Assessment and Risk Control (HIRARC) Di PT. X Shandy Irawan; Togar W.S Panjaitan; Liem Yenny Bendatu
Jurnal Titra Vol 3, No 1 (2015)
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Abstract

PT. X is a company which produces a variety of glassware product. PT. X wants to develop Hazard Identification Risk Assessment and Risk Control (HIRARC) in order to fulfill the requirement of OHSAS 18001:2007 application. The area covers in raw materials warehouse, production, and finished good warehouse.The preparation of HIRARC is divided into 3 stages which are hazard identification, risk assessment, and risk control. Hazard identification is performed based on interviews with the workers, the observations in the factory, and the historical data of accidents at PT. X. The result of the risk assessment shows 34% of activities is categorized as low risk, 58% of activities is categorized as moderate risk , 8% of activities is categorized as high risk and there is no activity in the category of extreme risk. Risk control will be performed on activities with moderate risk and high risk category. Based on the result, there are 4 potential hazards with high risk category, which are the sharpness of the material in the production area, shortness of breath due to workers are not wearing APD, shortness of breath due to the pungent smell from additives during the casting process, and the hook of the basket is fragile in the mixing process. Risk Control is undertaken by giving APD, safety sign, punishment, equipment maintenance, and make a special area for walking.
PENENTUAN KEBUTUHAN JUMLAH TENAGA KERJA PADA DEPARTEMEN MPC DI PT. XYZ Hanna Stephanie Sugiono; Herry Christian Palit
Jurnal Titra Vol 4, No 2 (2016): Jurnal Titra
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Abstract

PT. XYZ adalah anak perusahaan asing dari X-group yang bergerak pada bidang plastik packaging kosmetik. PT. XYZ berusaha menekan biaya tenaga kerja dengan menentukan kebutuhan jumlah tenaga kerja di tiap departemen. Penelitian ini dilakukan pada Departemen MPC. Penelitian ini bertujuan untuk mengurangi biaya tenaga kerja dengan mengevaluasi beban tenaga kerja pada Departemen MPC. Metode yang digunakan adalah metode Full Time Equivalent (FTE). FTE digunakan untuk menghitung beban kerja karyawan, dimana hasilnya dijadikan dasar untuk menentukan kebutuhan tenaga kerja Departemen MPC. Total nilai FTE operator mixing adalah 2,8 yang berarti membutuhkan tiga orang. Nilai FTE operator giling adalah 1,08 yang berarti membutuhkan satu orang. Nilai FTE teknisi colouring adalah 0,74 yang berarti membutuhkan satu orang. Jumlah karyawan yang dibutuhkan pada kondisi awal enam orang berkurang menjadi lima orang.
Peningkatan World Class Maintenance Score Berdasarkan Standard Assessment di PT X Debby Hartono; Togar W.S Panjaitan; Liem Yenny Bendatu
Jurnal Titra Vol 1, No 2 (2013)
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Abstract

There are a lot of companies want to transform theirselves to be a “World Class Manufacturer”. Therefore, the World Class Maintenance (WCM) concept which refers to the best practice for maintenance system is widely adopted by several companies. WCM is a structured dan systematic concept of maintenance system. It has 5 main pillars which are EARM (Equipment Availability, Reliability, and Availability), planning and scheduling, maintenance management, material management, and contracted services. Those five pillars must be well applied in the company in order to achieve a high WCM score when being audited by auditor. PT X is one of the company who has applied WCM concept in its  maintenance system. The company has been assessed on WCM periodically and it has the pre-determined target. The standard assessment which has been determined is used to evaluate the WCM concept in PT X. Such improvements related to WCM has been done in order to be well applied in maintenance system and achieve a high score according to the target. WCM score from audit simulation is 4.17. It shows that the improvements which has been done give an impact on WCM score enhancement.
Perancangan Manajemen Persediaan serta Peningkatan Akurasi Stock pada Gudang Bahan Baku PT. X Yovany Puspita Dewi; Nova Sepadyati
Jurnal Titra Vol 7, No 2 (2019): Jurnal Titra
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Abstract

PT. X is a company engaged in yarn manufacturing. This research was conducted in area of raw material warehouse. The first problem is inaccuracy of stock between the company's SAP system and the actual stock in the raw material warehouse. The second problem is the application of the fixed layout needed to implement a barcode system. Fishbone diagram is used to analyze stock inaccuracy problems. Maximum capacity calculation is based on inventory models with probabilistic demand and leadtime. This calculation will be able to answer the company's needs in applying the fixed layout and barcode system for the future. Making standard forms and new regulations for employees is expected to minimize stock inaccuracy
Perancangan Sistem Manajemen Mutu ISO 9001:2015 di PT.X Hendrikus Zendy; Jani Rahardjo
Jurnal Titra Vol 6, No 2 (2018): Jurnal Titra vol. 6 No. 2, Juli 2018
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Abstract

This research was conducted to get the design of quality management system for ISO 9001: 2015 certification in PT. X. Application of quality management system at PT. X is used to ensure the suitability of a process and product to customer needs. Re­search at PT. X is performed by reviewing the Gap Analysis between the company's align­­ment with the requirements of the ISO 9001: 2015 clauses. The result of the con­formity assessment of the initial Gap Analysis shows a suitability value of 61%. The re­sults of the conformity review will be used to improve and improve the quality man­agement system at PT. X. Improvements made at PT. X is to design a document of quality management system in accordance with the requirements of ISO 9001: 2015. The design of quality management system document that carried out is the target quality, quality manual, SWOT, organizational structure, SOP, and risk analysis. The re­sult of the final Gap Analysis conformity review, after designing the document of the quality management system shows the suitability increased by 91%.
Upaya Peningkatan Kinerja Departemen Warehouse di PT. X Andreas Prayogo; I Nyoman Sutapa
Jurnal Titra Vol 3, No 2 (2015)
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Abstract

PT. X is a car component manufacturer. The problems faced by PT. X in receiving area warehouse X 2,5 such as lack of storage capacity, FIFO system is not running, time consuming unloading, and bottleneck in the arrival supplier’s area. The 5S is applied to overcome those problems. The root causes of the problems are the lack of storage capacity and there is no schedule for supplier’s arrival. Therefore this research suggests to relayout the warehouse and makes a schedule for the supplier’s arrival. As the implementation results, the storage capacity is increased from 410 to 536 units and the unloading time is reduced from 25 minutes to less than 5 minutes. Additionally, the defect is reduced, and the FIFO system is running well.

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