Suppose you need to assemble 72 Quickline Guest tables in one hour (see the photos on the next page). The assembly activities and their standard times are listed below. Using common sense, draw a precedence network and calculate the cycle time. Then, perform assembly-line balancing using €œAssign the task with the longest time€ heuristic rule, breaking ties using €œAssign tire task with the most followers€ heuristic rule. Any further ties can be broken randomly.

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Standard Time (seconds) Activity A. Lay the top face down on a clean surface B1. Altoch a mounting bracket to a corner of the lop using three screws Ci Add a compression ring on the bracket D. Slde one end of a leg over the compression ting and turn it so that 35 the hole is aligned with the Allen screw E. Tighten the screw with Allen wrench B2. Altoch another mounting bracket to another corner of top using three screws C2 Add onother compression ring D2. Slide one end of another leg over the compression ring and turn it Ez. Tighten with Allen wrench B3- Alt h another mounting bracket to another corner of top using three screws C3 Add another compression ring Da. Side end of ancther leg over the compression ring and turn it E. Tighten with Allen wiench. 15 35 10 15 35 10 15 Atoch another mounting bracket to another corner of top using three screws 35 C4 Add another compression ring D Slide end of ancther leg over the compression ring and turn it E4. Tighten with Allen wrench F. Turn the table over on its legs. 10 15 30 Black Camar Log Sheet melc Compression ring Camar Mcunting Plcte mounting plate 6 mm Allen Wrench