Question: 5. PERT-CPM (20 pts.) For the project activities, below, construct the project network using Activity-on-Arrow method and determine the project duration using method and solve

5. PERT-CPM (20 pts.) For the project activities,

5. PERT-CPM (20 pts.) For the project activities, below, construct the project network using Activity-on-Arrow method and determine the project duration using method and solve for the project duration using forward pass and backward pass. Duration Activity Immediate predecessors (days) A None 2.0 B D E Description Check electrical service to furnace Change filters Check ducts Oil motor bearings Check motor belts Clean vents Check electrical wiring to thermostats Test motor Test thermostats Check building insulation and windows for heat leaks None None B D 1.0 3.0 0.5 0.5 0.5 2.0 OU G H A, E, F G H F 0.5 0.5 2.0 1

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