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OM01

Operations Management

(For CNM Cases)

Assignment - II

  Assignment Code: 2016OM01A2                                     Last Date of Submission: 30^th April 2016

                                                                                       Maximum Marks: 100

Attempt all the questions. All the questions are compulsory and carry equal marks.

                                                                         Section-A

1.         Explain the concept of aggregate planning.  How do we disaggregate the aggregate        plan?

2.         a.         What are the basic attributes of Quality?     

            b.         How can Control Charts help in controlling the delivery time of home delivery of                          Pizzas?

3.         a.         How can we enhance productivity in Indian Manufacturing and retail sectors?

            b.        Explain the concepts of work sampling and time study.

4.         a.         Explain the Cycle View   of   Supply   Chain   Management.  What   are   the  major

                        decisions to be taken for an effective SCM?

            b.         Bob Fero is   an   operations   analyst for Sell-Rite Discount stores of Washington,                                     D.C. He is currently studying the   ordering   and   stocking   policies  at Sell-Rite’s                                    central warehouse for one of its best-moving items, a child’s toy. An examination                        of historical supply and demand data for this item indicated and almost constant                              lead time (LT) of  10 days,  and   abundant   production   capacity    allowed  very                              consistent production  and  delivery times. Bob also discovered that the demand                                   per day(d) was nearly normally distributed with a mean (d) of 1,250 toys per day                             with a standard deviation (σ_d) of 375 toys per day.

                        i)          Compute the order point for the toy if the service level is specified at 90%                                    during lead time.

                        ii)         How much safety stock is provided in your answer in Part A?

Section-B

Case study

A company receives parts from suppliers to be used in its manufacturing departments. The quality control department must perform two operations when shipments and received: Operation A—draw a random sample, package, and deliver to testing, and Operation B—test the materials and issue a disposition report. The time estimates for processing six shipments through quality control are:

Shipment	Operation A (hours)	Operation B (hours)
1	1.3	0.9
2	1.3	1.1
3	0.8	1.5
4	1.6	1.4
5	1.5	1.0
6	1.2	1.9

5.         Case Questions:                                                                    

a.                  Use Johnson’s rule to set the sequence of processing the shipments through quality control. (Operations need change over to new jobs at the same time.)

b.                  How much total time is required to process the six shipments through quality control? What is the idle time on each operation A & B?