Berns University is holding a fund-raiser and will be hiring a band to entertain spectators. You have been selected to serve as the event project manager and have created a Work Breakdown Structure and duration estimates for the activities involved in site preparation for the event.

Table 1

Activity No.	Description	Predecessors	Duration (in days)
A	Site selection	None	4
B	Buy concessions	A	4
C	Rent facilities	A	2
D	Build stands	A	5
E	Generator & wiring installation	C	2
F	Security	B	4
G	Lighting installation	E	2
H	Sound system installation	E, F	2
I	Stage construction	D	3
J	Tear down	G, H, I	4

Based on the information provided in Table 1, you are required to:

1. Construct a network activity diagram for both a forward and backward pass using AON notation and calculate the estimated total duration for the project.

(6 marks)

Identify all paths through the network. Which is the critical path

Identify all burst activities and merge activities

Support your answer with references