Question: (a) Given the data below for a small pipeline project, based on a PERT analysis what is the expected project duration? (b) What is the

(a) Given the data below for a small pipeline project, based on a PERT analysis what is the expected project duration?

(b) What is the probability of completing this project in 120 days or less?

Activity Description Start Lead Time Move to Site Obtain Pipes Obtain Valves

6 Lay Out Pipeline 7 Dig Trench T 8 Prepare Valve Chambers

Activity Description Start Lead Time Move to Site Obtain Pipes Obtain Valves 6 Lay Out Pipeline 7 Dig Trench T 8 Prepare Valve Chambers 9 Cut Specials 10 Lay Pipes 11 Fit Valves 12 Concrete Anchors 13 Finish Valve Chambers 14 Test Pipeline Backfill Cleanup Leave Site 12345norag 15 16 17 1 0 10 18 20 18 6 20 17 7 18 8 11 8 5 823 In 0 10 20 30 20 7 25 18 9 20 10 12 8 6 10 3 4 0 10 22 100 70 14 60 31 17 46 12 13 8 7 20 10 5 Successor 2 3, 4, 5 6 8, 9, 10 11 7 8, 10 11 11 12 13, 14 13, 14, 15 17 16 16 17

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