What are the steps to create a PERT/CPM network showing the interdependencies of the different activities. How long will the project take?

2) Building a swimming pool Task Worker Category Person # of Elapsed Materials Days Workers Time (days) ($) Excavate Machine Operator 6 2 0 1,500.00 Frame the walls Masons 8 4 0 800.00 Install Internal Plumbing Plumber 4 2 0 700.00 Install Electricity Electrician 2 2 0 500.00 Pour concrete Masons 4 2 4 2,000.00 Install pump and filter Plumber 1 1 0 3,000.00 Total 8,500.00 Category Wage Rate $/Day Electrician 200.00 Mason 160.00 Machine Operator 120.00 Plumber 200.00