Ask
Login
0
1.2kviews
Prepare time scaled version network and histogram for EST and LST schedule.
written 6.9 years ago by gravatar for teamques10 teamques10 ★ 68k •   modified 2.8 years ago

Following table shows activities, their durations and labour requirement.

Activity Immediate Predecessor Duration (days) Labours
A - 4 9
B - 2 3
C - 2 6
D - 4 4
E B 3 8
F C 2 7
G D, F 3 2
H E, G 4 1

Prepare time scaled version network and histogram for EST and LST schedule. Which schedule will you prefer? Why?
construction management
ADD COMMENT EDIT
1 Answer
0
4views
written 6.9 years ago by gravatar for teamques10 teamques10 ★ 68k
Activity Immediate Predecessor Duration (days) EST EFT LST LFT Labours
A - 4 0 4 7 11 9
B - 2 0 2 2 4 3
C - 2 0 2 0 2 6
D - 4 0 4 0 4 4
E B 3 2 5 4 7 8
F C 2 2 4 2 4 7
G D, F 3 4 7 4 7 2
H E, G 4 7 11 7 11 1

Network:-

enter image description here

Project duration = 11 days

Critical path = 10-40-50-60 i.e. D-G-H

$\hspace{2cm}$= 10-30-40-50-60- i.e. C-F-G-H

EST Schedule:-

enter image description here

LST Schedule:-

enter image description here

I would prefer LST Schedule because the no. of fluctuations are less as compared to that of EST schedule.
ADD COMMENT EDIT
Please log in to add an answer.