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A project manager decided to use critical ratio (C/Rij for WP j of project i) to...

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Physics

A project manager decided to use critical ratio (C/Rij for WP jof project i) to prioritize and schedule the remaining workpackages to be done for three concurrent projects with the data inthe table below. The technical sequence (precedence) areWP1>WP2>WP4>WP4, for each of the three projects. For anillustration, the first project is due by day 4. Its first workpackage requires 2 days at workstation 1.

Project

ID

Due

Date

Processing

time for WP1

Processing

time for WP2

Processing

time for WP3

Processing

time for WP4

142 (WS1)1 (WS2)
251 (WS1)1 (WS4)2 (WS2)
3102 (WS3)2 (WS1)2 (WS2)1 (WS4)

Please do/answer the following:

a. Calculate the critical ratio for each work package

b. Sequence them by their critical ratio in their descendingorder

c. Identify the most critical work package

d. Identify the least critical work package

e. Schedule them on a Gantt chart

f. Identify the completion time expected for each project

g. Identify each project expected to be late, based on theschedule

h. Identify the make span for the entire set of threeprojects

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