Assignment (4)

Question (1) Chapter6 Exercise 2

Activity / Total hours / Workers per crew / Duration (D) / Total Float / Min. Rate / Min. Crews / Rounded Crews / Actual Rate
A / 48 / 2 / 3 / 0 / 0.625 / 1.875 / 2 / 0.667
B / 80 / 2 / 5 / 0 / 0.625 / 3.125 / 4 / 0.800
C / 80 / 1 / 10 / 0 / 0.625 / 6.25 / 6 / 0.600
D / 96 / 2 / 6 / 0 / 0.625 / 3.75 / 4 / 0.667
E / 72 / 3 / 3 / 0 / 0.625 / 1.875 / 2 / 0.667
F / 32 / 2 / 2 / 6 / 0.357 / 0.714 / 1 / 0.500
G / 16 / 1 / 2 / 6 / 0.357 / 0.714 / 1 / 0.500
H / 2 / 12 / 0.25 / 0.500 / 1 / 0.500

Activity / Crew 1 / Crew 2 / Crew 3 / Crew 4 / Crew 5 / Crew 6
In / Out / In / Out / In / Out / In / Out / In / Out / In / Out
A / 0 / 9 / 1.5 / 10.5
B / 4.25 / 14.25 / 5.5 / 15.5 / 6.75 / 11.75 / 8 / 13
C / 9.25 / 19.25 / 10.92 / 20.82 / 12.6 / 22.6 / 14.26 / 24.26 / 15.93 / 25.96 / 17.6 / 27.6
D / 20.1 / 32 / 31.6 / 33.6 / 23.1 / 29.1 / 24.6 / 30.6
E / 26.1 / 35 / 27.6 / 36.6
F / 9.25 / 21.25
G / 11.25 / 23.25
H / 11.25 / 23.25


Question (2) Chapter6 Exercise 4

Activity / Duration / Total Float / Min. Rate / Min. Crews / Rounded Crews / Actual Rate
A / 4 / 0 / 0.50 / 2 / 2 / 0.50
B / 3 / 0 / 0.50 / 1.50 / 2 / 0.67
C / 2 / 1 / 0.45 / 0.90 / 1 / 0.50
D / 4 / 1 / 0.45 / 1.80 / 2 / 0.50
E / 3 / 0 / 0.50 / 1.50 / 2 / 0.67
F / 3 / 0 / 0.50 / 1.50 / 2 / 0.67