Question: A construction project's schedule (unit: day) is presented in activity on arrow (ADA) diagam below. D . Q j . @115? e 49: (a)

A construction project's schedule (unit: day) is presented in activity on arrow (ADA) diagam below. D . Q \\ j \\. @115? e 49: (a) Identify the critical path and the project duration. [5 marks] (b) The developer would like to complete the project as soon as possible and offers and incentive of $5,000r'day if the contractor could nish the project earlier. How should the contractor crash the project schedule to maximize its prot (you need to show the steps)? What is the total prot through project crashing? + Activity Maximum Days for Crashing Crashing Costfday 3 3000 3 2000 2 2800 2 2500 + 2 ,_- + ' y [20 marks]
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