Construct a bar chart to use in managing the construction of a single span bridge. The identified activities are:
• Drive piling west abutment (WA), 2 days
• Drive piling east abutment (EA), 2 days
• Construct WA cast in place pile cap, 3 days
• Construct EA cast in place pile cap, 3 days
Each pile cap requires 5 days curing time before the precast girders can be placed.
• Set girders, 1 day
• Construction of cast-in-place concrete deck, 7 days
• Cure deck 14 days
• West and east concrete approach slabs, 5 days each
There is only one crane available for pile driving and setting girders. The company plans to use only one crew of carpenters and finishers for the concrete work.
a) What is the project duration?
b) Are the two “construct approach slab” activities critical to the project completion?
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