A project manager, in preparation for the construction of roads, has identified the activities and their...

A project manager, in preparation for the construction of roads, has identified the activities and their durations to prepare a difficult stretch of motorway (as in the following table).

Activity	Duration (days)	Preceding activities
A	5	–
B	10	–
C	1	–
D	8	B
E	10	B
F	9	B
G	3	A, D
H	7	A, D
J	3	F
K	8	E, H
L	4	C, J

How long the project will take?
State the critical activities.
If activity A is delayed for 10 days, what is the effect on the project duration?

Expert Solution

Project network

Formula

a. Project duration = Duration of critical path = sum of duration of critical activities (i.e whose skack is 0) = 33 days

b. Critical activities = B,D,H,K

c. There won't be any change in project duration as activity A has slack of 13 days

keosha answered 1 year ago

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