Question

John's Paperclips manufactures paperclips of different sizes. The incoming orders follow different routes through the shop, but all orders must stop at each of the three work centres (WCs) in the plant The following table contains information regarding six jobs that arrive over five days and need to be scheduled at the company It is currently December 15th the company works a 7 day week. Assume that the material for all orders is ready for processing as soon as the orders arrive and that a first come first served sequencing rule is used at all work centres, if a clash occurs orders are processed alphabetically. All six work centres are idle as work begins on Orders I and M today The company shuts for annual holidays 24th December and re-opens 28th for 3 days before shutting again for 2 days (31st Dec and 1st Jan) Processing Time (days) WC 1 Order Arrival Date Job/WC WC 5 WC 8 Dec 15 Dec 15 Dec 16 Dec 18 Dec 19 Dec 22 Routing 1-5-8 8-5-1 5-8-1 1-5-8 1-5-8 5-8-1 0.5 0 0.5

Answer 1

Order	Arrival Date	WC1 Start	WC1 Finish	WC5 Start	WC5 Finish	WC8 Start	WC8 Finish	Finish Date
I	15-Dec	15-Dec	17-Dec	17-Dec	19-Dec	20-Dec	22-Dec	22-Dec
M	15-Dec	21-Dec	21-Dec	19-Dec	20-Dec	15-Dec	17-Dec	21-Dec
O	16-Dec	21-Dec	22-Dec	16-Dec	17-Dec	17-Dec	20-Dec	22-Dec
P	18-Dec	18-Dec	21-Dec	21-Dec	21-Dec	22-Dec	30-Dec	30-Dec
S	19-Dec	22-Dec	23-Dec	24-Dec	28-Dec	30-Dec	3-Jan	3-Jan
X	22-Dec	5-Jan	8-Jan	22-Dec	24-Dec	3-Jan	5-Jan	8-Jan