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Tactix Case Study

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TACTIX
-AN OPERATION SIMULATION CHALLENGE

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Tactix: The Simulation Challenge
Greetings from NITIE, Mumbai!

Round 2: Case of the Fishy Company
April 2012: Fishy Company is a tier 1 supplier of a big automobile OEM. Fishy started its operation in the last year only i.e. around September 2011. It provides 2 sub assembly parts to the OEM. For making these parts Fishy uses 3 kinds of raw materials i.e. Metal tube, containers and cleaves. These raw materials are supplied by tier 2 suppliers who are domestic as well as international. Inventory as we all know is boon as well as bane. High inventory means high holding costs and capital tied up. Low inventory means stock outs, low customer service level and loss of reputation. So the inventory should be just right.

Fishy needs your help As Fishy is a new company, the past 6-7 months it had kept stock of these raw materials based on rule of thumb. However now with the business growing they want to use some scientific models to determine how much stock they should keep for each raw material. Fishy has approached your team to prepare the scientific model. They have sent you the excel sheet “Fishy Details” (attached with mail) which has all the details about the forecast and consumption patterns of these raw materials from September 2011 to March 2012.  “Cover day norms” sheet tells you about the current cover days that Fishy keeps for its raw materials, In-transit stock and finished goods inventory at Fishy’s supplier end.  Transit and production lead time are also given both for imported and local products.

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 For local products, the supplier does not hold any finished goods inventory while for imported products there is an inventory of 30 days at suppliers end.  Fishy orders once a month for the imported products. This is a practice followed by them. However no such rule exists for the local products.  Fishy is doing really well and it hopes that the future forecasts from Apil 2012 to Dec 2012 for the raw materials will increase by 6% each month as compared to March 2012 forecasts  Also Fishy’s forecast is freezed one month in advance i.e. for February forecasts; we will see the sheet of January. (For September, you can take the same month forecast)  Fishy’s suppliers have assured them, that they would be able to deliver within the agreed lead times. Though reluctantly but fishy agreed to believe them!!!!!  Fishy’s management has decided to keep a service level of 95% for the high value products and 85% for the low value products. (Typically imported products are high value and local are of low value)

What you need to do? Fishy expects the following from you: 1) An excel tool which scientifically calculates the safety stock, reorder point and inventory cover days for the raw materials. 2) You need to calculate these parameters for 2 of the raw materials i.e. Imported metal pipes and local cleaves. Please remember cover days are required for a component and not for product code.CMEI01 is a metal tube but we need cover days for metal tubes and not CMEI01

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3) Prepare a maximum two page write up explaining briefly how you created the tool, what parameters are the input parameters, what are the outputs and justification behind it. Basically we want to see your approach towards the problem. 4) Please remember, the data in the simulation is all fictional. You may find discrepancy in it as compared to real life scenario. Please take the data as given in the case no matter how much “not possible” it seems!!!!!!!

Prerena and Team C2X wish you all the best! May you help Fishy company find a way out of their problem.

Best of Luck!!!!

Rules and Regulations
1. Start time: 9:30 PM- Oct 14th ( The excel file will be mailed to the team leader ) 2. End Time: 2:00 AM- Oct 15th 3. Submit your answers in a zip/rar file which will have a. The excel sheet in which the calculation have been done b. A word document which will contain your approach/logic of the solution and recommendations if any i. Word document should not be of more than 2 pages ii. Font should be Arial, size 12, line spacing 1.5 4. Name the rar/zip file as TeamName_college_PreranaID (team leader) 5. Mail your entries at events@nitie-prerana.com

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