help please Thanks The Operating Room Manager at a plastic surgery clinic is eva

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The Operating Room Manager at a plastic surgery clinic is evaluating scheduling of surgery patients. Each day, the clinic performs a variety of procedures which are described in the following table. The processing time is divided in components: performing the surgery and post-operative (post-op) care for the patient before they can be moved to a waiting recovery area. ways to improve to two main Surgery Post-Op Time Total Time Scheduled Departure Procedure Time (minutes)Surgery & Post-(minutes) Op (minutes) 30 15 39 90 45 minutes) 12 18 60 30 18 6 21 30 15 60 156 120 90 180 1. Evaluate the Average Flowtime and Tardiness of the work sequence using the 2. Evaluate the Average Flowtime and Tardiness of the work sequence using the 3. SPT method. EDD method. Use Johnson's Rule to develop a model of scheduling the surgeries.

Explanation / Answer

1.

As pers SPT:

So the SPT both process is best

SPT Surgery Sur Post op Printing Start Printing End Binding start Binding end B 9 6 0 9 9 15 A 12 18 9 21 21 39 C 18 21 21 39 39 60 E 30 15 39 69 69 84 D 60 30 69 129 129 159 Printing Eff 1 Binding Eff 0.566038 SPT Post op Sur Post op Printing Start Printing End Binding start Binding end B 9 6 0 9 9 15 E 30 15 9 39 39 54 A 12 18 39 51 51 69 C 18 21 51 69 69 90 D 60 30 69 129 129 159 Printing Eff 1 Binding Eff 0.566038 SPT Both process Sur Post op Printing Start Printing End Binding start Binding end 15 B 9 6 0 9 9 15 30 A 12 18 9 21 21 39 39 C 18 21 21 39 39 60 45 E 30 15 39 69 69 84 90 D 60 30 69 129 129 159 Printing Eff 1 Binding Eff 0.867925

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