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4/16/23, 5:33 PM Quiz: W14 HW The Rosie Pastry Company VSM Case https://osu.instructure.com/courses/133727/quizzes/811974/take 1/4 W14 HW The Rosie Pastry Company VSM Case Started: Apr 16 at 5:28pm Quiz Instructions Read The Rosie VSM Case below and after completing the current VSM map and metrics, answer the questions.   The Rosie Pastry Company VSM Case The Rosie Pastry Company makes Rose-embellished birthday cake cookies in several large commercial bakeries across the United States.  The process is the same in all the bakeries and consists of mixing the cookie dough, forming the cookies (called base cakes), baking and cooling them. The cooled cookies are then iced and packaged. The packaged cookies are then shipped hourly to a company warehouse. As part of a continuous improvement program, W. Guan, a consultant from an external firm, wondered if the production process could be improved.  To understand the process, she took a pencil and clipboard and drew a value stream map of the cookie process.  Guan knew that the monthly production requirement was 30,000 cases.  The bakery operated 25 days per month with 3 8-hour shifts per day with an hour long lunch break. Since the line is dedicated to Rose- embellished birthday cake cookies, there is no changeover time or set up time. Step 1: Mixing the dough involves combining the flour, shortening, sugar and cocoa and mixing.  The processing time for one case is 50 seconds.  There are two operators. Guan counted the inventory at the various storage locations and found ingredients for 1,200 cases of finished cookies before the mixer. Step 2: Forming, baking and cooling are done by an automated production machine that holds 20 cases operating continuously at the same rate.  The machine is able to form, bake & cool 20 cases every 15 minutes. That means 20 are finished every 15 minutes. Guan counted 300 cases of mixed dough before step 2. Step 3: Guan counted 60 cases waiting to be iced & assembled. Icing and cookie assembly are done in a single operation, with three operators.  The processing time is 12 minutes per case. Guan counted 600 cases before step 4. Step 4: Finally, the processing time for packaging is 90 seconds per case. There is one operator and 60 cases waiting to be shipped. The Sales department informs the Warehouse about sales forecasts.  The Warehouse sends electronic forecasts and daily orders to Production Control.  Production Control issues electronic purchase orders to the ingredient and packaging suppliers weekly but provides daily orders to each of the internal departments in the bakery. 0.1 ptsQuestion 1 4/16/23, 5:33 PM Quiz: W14 HW The Rosie Pastry Company VSM Case https://osu.instructure.com/courses/133727/quizzes/811974/take 2/4 The available work time =  ___________ min/day (enter integer). 0.1 ptsQuestion 2 The customer demand is ______________ cases/day (enter integer). 0.1 ptsQuestion 3 The takt time is _____________ seconds (enter integer). 0.1 ptsQuestion 4 For the mixing step, full time employees (FTEs) = ________ (enter integer). 0.1 ptsQuestion 5 4/16/23, 5:33 PM Quiz: W14 HW The Rosie Pastry Company VSM Case https://osu.instructure.com/courses/133727/quizzes/811974/take 3/4 For the mixing step, the cycle time is ______________ seconds (enter integer). 0.1 ptsQuestion 6 For the second step, the cycle time is __________ seconds (enter integer). 0.1 ptsQuestion 7 For the third step, the utilization is ____________ % (round to the nearest integer)? 0.1 ptsQuestion 8 For the packaging step, the utilization is _______________ % (round to the nearest integer)? 4/16/23, 5:33 PM Quiz: W14 HW The Rosie Pastry Company VSM Case https://osu.instructure.com/courses/133727/quizzes/811974/take 4/4 Quiz saved at 5:33pm 0.1 ptsQuestion 9 What is the total process time in seconds for all 4 steps (round to the nearest integer)? 0.1 ptsQuestion 10 What is the total lead time in days (round to the nearest 2 decimal places)? Submit Quiz
Answered Same DayApr 16, 2023

Answer To: finish files

Himanshu answered on Apr 17 2023
40 Votes
1,2,3
        1    The available work time can be calculated as follows:                    Note:    Explanation:
            Total number of shifts per month = 25 days * 3 shifts per day =     75     shifts                Since the bakery operates 25 days per month with 38-hour
shifts per day and an hour-long lunch break, the available work time can be calculated as follows:
            Total work time per shift = 38 hours - 1 hour lunch break =     37     hours                38 hours/day x 25 days/month = 950 hours/month
            Total work time per month = 75 shifts * 37 hours per shift =     2775     hours                Subtracting the lunch break time:
            Therefore, the available work time is 2775 hours per month.                        950 hours/month - 25 days/month x 1 hour/day = 925 hours/month
                                    Therefore, the available work time per month is 925 hours.
            Coverting into minutes
            2775 hours/month * 60 minutes/hour / 25 days/month    1665
        2    Monthly Production    30,000 cases/month / 30.44 days/month ≈ 986.75 cases/day
        3    Converting customer demand per month into per day
            30,000 cases/month / 25 days/month =     1,200 cases/day
             time available production time per day divided by the customer demand per day:
            (38 hours/day x 60 minutes/hour - 60 minutes lunch break) x 60 seconds/minute / 1,200 cases/day = 111 seconds/case
            Therefore, the takt time for producing the Rose-embellished birthday cake cookies is 111 seconds per case.
4,5,6,7
    4    The processing time for one case in the mixing step is 50 seconds, and there are 2 operators.
        To calculate the FTEs needed for this step, we can use the following formula:
        FTEs = (Total processing time per month for one case) / (Total available working time per month for one operator)
        Total processing time per month for one case = Processing time per case x Number of cases per month = 50 seconds/case x 30,000 cases/month = 1,500,000 seconds/month
        Total available working time per month for one operator = Total available working time per day x Number of working days per month - Lunch break time = (38 hours/day x 60 minutes/hour - 60 minutes) x 25 days/month = 36 x 25 x 60 = 54,000 minutes/month
        So, FTEs = 1,500,000 seconds/month / (54,000 minutes/month/operator x 60 seconds/minute) x 2 operators = 1,500,000 / (54,000 x 2) = 13.89 FTEs
        Therefore, approximately 14 full time...
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