No of Operations Required for Each Part 12 40 25 30 No of Category Models No of
ID: 413997 • Letter: N
Question
No of Operations Required for Each Part 12 40 25 30 No of Category Models No of Parts in Each Model 2 15 QTY of Each Model 1000 200 4 4 10 100 2500 28 Based on time measurements done, on average, each operation takes 45 Sec. The factory lay out is comprised of workstations which have one set of machinery and one operator. Each station required 200 sq-ft of spaces as well as 100 sq-ft of auxiliary space The factory is running one 8-hour shift per day for 250 days per year 1. 2. 3. 4. 5. 6. What is the total number of styles/models Alpha manufacturing? What is the total number of products Alpha manufacturing? What is the number of required operators? What is the number of required stations? How much is the required space for the facility? If the company decides to run 3 eight-hour shifts per day, then; How many stations are required How much space is required a. b. 7. Comparing No of required stations and space for both cases, what do you infer? Note: Please distinctly, provide all the required stepsExplanation / Answer
1) Total number of models = 4+3+5+10+2 = 24
2) Total number of products Alpha manufacturing = 4*1000+3*200+5*500+10*100+2*2500 = 13100
3) Total number of operations required = 4*1000*2*12+3*200*15*40+5*500*10*25+10*100*8*30+2*2500*28*8 = 2,441,000 operations
Total operation time = 2441000*45 seconds / 3600 seconds per hour = 30,513 hours
Hours available per operator = 8*250 = 2000 hours
Total number of required operators = Total operation time / hours available per operator
= 30513/2000
= 15.26 ~ 16 operators
4) Number of required stations = number of operators = 16
5) Space required for the facility = (200+100)*16 = 4800 sq-ft
6) a) Stations required = 16/3 = 5.33 ~ 6 stations
b) Space required = (200+100)*6 = 1800 sq-ft
7) comparing both cases, we infer that running 3 shifts results in considerable reduction in number of stations and space required. Therefore, it is advisable to run 3 shifts, instead of single shift.
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