Legend ES ID ERF SLK LS DUR LF You are completing a group te
Legend ES ID ERF SLK LS DUR LF You are completing a group term paper. Given the project network that follows, complete the forward and backward pass, compute activity slack, and identify the critical path. Use this information to create a Gantt chart for the project. Be sure to show slack for noncritical activities. 2 1 What is the critical path? What is the slack for C? What is the slack for D? What is the slack for E? What is the slack for F? What is the length of the project? time periods
Solution
Activity Duration ES EF LS LF Slack A 1 0 1 0 1 0 B 5 1 6 1 6 0 C 3 6 9 6 9 0 D 2 9 11 9 11 0 E 1 9 10 10 11 1 F 1 9 10 10 11 1 G 1 11 12 11 12 0 H 1 12 13 12 13 0 Critical path is A-B-C-D-G-H Slack for C is 0 Slack for D is 0 Slack for E is 1 Slack for E is 1 Total length of the project is 13 days