The following table gives the activities in a construction project and other relevant information Activity Duration Days i ii iii Solution L 0 E 0 Activity 1 2 1 3 2 3 20 25 10 Draw the network for the project 3 4 4 5 Duration 20 0 1 3 25 0 III 2 3 10 20 2 4 12 20 6 30 10 Find the critical path and the project duration Find the total float for each activity 1 2 Activity 1 2 1 3 1 4 2 5 3 6 L 20 E 20 3 E 30 L 30 The critical path is 1 2 3 4 5 The project duration is 46 days Solution T EST 36 Problem 2 A project has the following time schedule Time in months 2 2 1 4 8 75 20 70 EFT 20 25 30 32 36 46 i Construct the network ii Find the total float for each activity iii 2 4 12 E 36 L 36 LST 0 5 20 24 30 36 Find the critical path and the project duration L 11 E 6 Activity 3 7 4 6 5 8 6 9 7 8 8 9 3 4 6 LFT 20 30 30 36 36 46 5 E 46 L 46 L 12 E 11 4 5 10 TF 0 5 0 4 0 0 Time in months 5 3 1 5 4 3 70