Use the information in the table to construct an activity-on-arc PERT network diagram.

a) What is the smallest number of days in which the project can be completed? Which activities are critical to on-time completion?

b) The company wants to use a 5-person team on this project to keep costs down. Is it possible to complete the project in the minimum time using only a 5-person team?

activity predecessor duration activities (days) none 3 A 4 A 2 B 5 people required 3 1 2 1 2 2 2 3 2 3 B A planning B Site testing C Piping layout D Model capture E Model interface F Filter modules G Foundation modules H Pumping structure 1 Implementation J Final testing 2 3 2 E, F, G D, HI 2 2 2