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Queue Study

Queue Study. Xray case. Parameters. Nº of rooms : 4 Daily demand : 65 Average time spend in exam room : 11 min Average time waiting : 13 min Uptime : 8 hrs. Formulas.

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Queue Study

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  1. QueueStudy Xray case

  2. Parameters • Nº ofrooms: 4 • Daily demand: 65 • Average time spend in examroom: 11 min • Average time waiting: 13 min • Uptime: 8 hrs

  3. Formulas • Considering that your daily demand is 65 calls, you have 8.125 patients examined per hour, thus 2. 0312 patients examined per hour/room. N = demand A = Time spend in Xray exam E = Time spend waiting X = Arrival rate Ns = Number of rooms (4) Y = arrival rate per room

  4. Arrival Rate

  5. Service time Reduceyourwait time to zero and improve yourservice time to 2,39 minutes. Withthatyouwon’tneedtomakeanychanges.

  6. Numberofrooms

  7. Conclusion • Solution 1) Maintain the number of rooms and improve your time to 2,39 minutes; • Acquire more 6 rooms to equalize the arrival rate with service average time. OBS.:The calculation to find the ideal number of rooms are not complete. (It does not explore the the bottleneck)

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