Pm 592 Week 6 Quiz

1. Question : (TCO B) Crashing Problem

Using the network below and the additional information provided, find:

(a) The crash cost per day per activity?

(b) Which activities should be crashed to meet a project deadline of 12 days at minimum cost?

(c) What is the extra cost to crash the project?

Activity Normal Time Crash Time Normal Cost Crash Cost

A 5 3 300 600

B 3 2 250 450

C 6 4 400 500

D 5 3 150 400

Student Answer: a) Crash cost of A (600-300)/(5-3) 150; Crash Cost of B (450-250)/(3-2) 200; Crash Cost of C (500-400)/(6-4) 50; Crash Cost of D (400-150)/(5-3) 125 b) As per the above schedule, the activities on the critical path are B, C, D with a duration of 14 days, and...