Construction Management & scheduling CPM

Assignment 3

Q1. Draw the network for the project below. Do the CPM calculations based on the most likely

durations. Pick the longest three paths. Calculate the Expected Duration and Standard Deviation

for each path. Considering all three paths, what is the duration of the project with at least 90%

confidence? 60 Points

Q2. The task of framing a building has been estimated to take a average of 25 days with a

standard deviation of 4 days. What duration should be used if there is to be a 90% confidence

that the duration will not be exceeded? What is the probability that the duration will actually

exceed 3 days? 40 Points