Question

You're at home after the Spring Semester and before you start your internship, your local city council heard you have experience in project management. They
want to create a botanical garden in your city park and have asked you to create a PERT chart of the following tasks from their Work Breakdown Structure.
Code	Activity	Time (in hours)	Immediate Predecessor(s)
A	Planning	20	none
B	Purchasing	60	planning
C	Excavation	100	planning
D	Sawing	30	purchasing
E	Placement	20	sawing, excavation
F	Assembly	10	placement
G	Infill	20	assembly
H	Outfill	10	assembly
I	Decoratoin	30	infill, outfill
a. Using Activity-on-Node, create a precedence diagram of the garden project (6 points)
b. using ES, EF, LS, LF, determine the critical path of this project. (6 points)
c. How long will this project take (in hours)?			(4 points)
d. One of the city planners insists that if they can reduce purchasing by 20 hours, the project will be done sooner.   Is he correct? Why or why not?

Answer 1