1. Little Brownie Bakers, the Girl Scout Cookie Baker, must deliver 168,000 boxes of cookies per month. The shop produces batches of cookies requiring a setup time of 45 minutes for each production batch. Average standard time for each cookie in a batch is 12 seconds, and there is an average of 800 cookies in a batch. Each box has 20 cookies per box. The bakery workforce for the pressing department consists of two workers per press, two supervisors, and one clerical support staff. There are 8 hours worked per day and an average of 21 days per month at one shift per day.
a. Determine how many cookie presses are needed to satisfy production requirements for the month. There are 8 hours worked per day and an average of 21 days per month at one shift per day.
b. Determine the number of workers for the presses, the number of supervisors and the number of clerical support staff that would be needed.
2. The six flavors of Girl Scout Cookies(TM-Thin Mints, SAM-Samoas, Tre-Trefoils, SS-Savannah Smiles, RR-Rah Rah Raisins and TT - Toffee Tastic) that do not contain peanuts are processed through a sequence of five operations (1-mixing dough, 2-baking, 3-liquid toppings, 4-dry toppings, 5-packaging) at one facility. Not all cookies are processed in all operations. TM, which has weekly quantities of 3000 boxes, is processed through operations 1, 2, 3 and 5 in that order. SAM, which has weekly quantities of 2700 boxes, is processed through operations 1, 2, 3, 3 and 5 in that order. Tre, which has weekly quantities of 900 boxes, is processed through operations 1, 2, and 5 in that order. SS, which has weekly quantities of 650 boxes, is processed through operations 1, 2, 4, and 5 in that order. RR, which has a weekly quantities of 200, is processed through operations 1, 2, and 5 in that order. Finally, TT, weekly quantities of 450 boxes, is processed through 1, 2, and 5 in that order.
(a) Draw the network diagram for this work system.
(b) Prepare the From -To table for this work system.