Table 3 Precedence Table

Activity Preceding Activity Duration (Weeks)

A	.........	6
B	.........	4
C	A	4
D	B	2
E	C	6
F	C,D	5
G	D	3
H	........	8
I	E,F,G	5
J	H,I	2

Required for Task 4 (Comments for task 4 should not exceed 50 words in total.)

1. With reference to Table 3, construct a network diagram by going through the forward and backward passes. You may draw your network diagram in Excel or Word. The network diagram needs to be copied into your Word file.

2. Identify the critical path and duration of the project.

3. Comment on the distinction between critical and non-critical activities.