GoldRush18
  • GoldRush18
hi everyone i need help with a business assignment its on Critical Path Analysis/Method is there some who can help me?
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katieb
  • katieb
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anonymous
  • anonymous
whats the question?
GoldRush18
  • GoldRush18
red wise manufacturing company would like to assess the activities completion time of predecessors for building a new convention centre. these are outlined in the table below activities] immediate predecessor] duration(months) A - 3 B A 4 C A 6 D B 6 E B 4 F C 4 G D 6 H E,F 8 Required: draw a full timed network diagram to depict the information. identify the critical path calculate the EST and LFT for each activity , show these on network diagram and then transfer them to a table where you will also show the float on each non-critical activity.
GoldRush18
  • GoldRush18
i'm having a problem calculating the critical path because there is a dummy activity in the network diagram

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anonymous
  • anonymous
so wht is the problem with dummy?
anonymous
  • anonymous
there are two situations when dummy appears.. 1. IF WE HAVE TWO ACTIVITIES HAVING SAME HEAD AND TAIL EVENT WITH DIFFERENT CONSUMPTION OF TIME THEN ALWAYS WE SHOULD INTRODUCE DUMMY RELATION. 2. IF ANY ACTIVITY APPEARS ATLEAST TWO TIMES IN PRECEDING COLUMN, I IN INDIVIDUAL AND II WITH OTHER ACTIVITY, THEN WE SHOULD INTRODUCE DUMMY.
anonymous
  • anonymous
IN YOUR QUESTION I THINK THERE WOULD NOT BE ANY DUMMY ACTIVITY AS NEITHER OF TWO SITUATIONS ARE APPLICABLE
GoldRush18
  • GoldRush18
ok so what then would be the critical path?
anonymous
  • anonymous
|dw:1319137378057:dw|
anonymous
  • anonymous
i think remaining you can find.. okk
anonymous
  • anonymous
I feel this will help you more.
1 Attachment
anonymous
  • anonymous
See this it is same as last pdf but in doc form.
1 Attachment
GoldRush18
  • GoldRush18
thanks but i'm still having problem working out the floats and may i ask what do you think is the critical path?
GoldRush18
  • GoldRush18
|dw:1319292961771:dw|
GoldRush18
  • GoldRush18
drawing not so good but thats what i got and where the arrow is pointed is the dummy activity can someone calculate the EST and LFT
anonymous
  • anonymous
hey i sent u a pdf file have u gone thru that one
GoldRush18
  • GoldRush18
i gone through it but something kinda seems wrong because remember each letter has to depend on another look at it again
GoldRush18
  • GoldRush18
each letter need to have its own node(circle) they can't share
anonymous
  • anonymous
hey if i m not wrong in ur daigram u r makin a mistake dummy will not be at that place where u have drawn it. Dummy will be as i had shown it to u. in this case the answer is 1-2-4-6-7
anonymous
  • anonymous
and the longest time duration to complete any project is taken as the critical path
anonymous
  • anonymous
Do you have the solution of the above question???
GoldRush18
  • GoldRush18
no we were only given the question , we should work it out
anonymous
  • anonymous
answer is 21 months
GoldRush18
  • GoldRush18
yes i got the critical path right which would be A-C-F-H and the duration is 21 months
GoldRush18
  • GoldRush18
but we suppose to draw a table showing LFT, EST and the float
anonymous
  • anonymous
Activity I Duration I Start time I Finish Time I FLOAT I I ESTILST IEFT I LFT I 1-2 I 3 MonthsI 0 I 0 I 0 I 0 I 0 2-3 I 4 I 3 I 5 I 7 I 9 I 2 2-4 I 6 I 3 I 3 I 9 I 9 I 0 3-5 I 6 I 7 I 9 I 13 I 15 I 2 3-6 I 4 I 7 I 9 I 11 I 13 I 4 4-6 I 4 I 9 I 9 I 13 I 13 I 0 5-7 I 6 I 13 I 15 I 19 I 21 I 2 6-7 I 8 I 13 I 13 I 21 I 21 I 0
GoldRush18
  • GoldRush18
looks a bit confusing
GoldRush18
  • GoldRush18
lemme show u what i got
anonymous
  • anonymous
see this doc file i feel u will get the answer
1 Attachment
anonymous
  • anonymous
hey did u got it now or not in that check the above diagram and check the table
GoldRush18
  • GoldRush18
omg this helped so much the only problem now is showing the EST and LFT on the diagram
GoldRush18
  • GoldRush18
thank you so much for ur help i really appreciate it :)
anonymous
  • anonymous
its ok whr u r from
GoldRush18
  • GoldRush18
im from Jamaica u?
anonymous
  • anonymous
m from india. Actually i m new on this website
GoldRush18
  • GoldRush18
cool i'm new too just found out about it last week
anonymous
  • anonymous
i found it only yesterday. on damodaran's website
GoldRush18
  • GoldRush18
ok
anonymous
  • anonymous
nice to meet u
GoldRush18
  • GoldRush18
same here
anonymous
  • anonymous
what do u do? Studying
GoldRush18
  • GoldRush18
yes and i have a major management of business test coming up soon
anonymous
  • anonymous
means u doin MBA....right
GoldRush18
  • GoldRush18
not yet im at pre- university im not going to university till next year but i still can't make up my mind what im gonna do yet it has to do something with business though
anonymous
  • anonymous
ok
GoldRush18
  • GoldRush18
oh there is a part e to the question it says You were recently employed to the company as part of the project management team. Explain to your manager 5 possible benefits and 3 disadvantages to doing a critical path analysis.(15marks)
anonymous
  • anonymous
Advantages: It takes into consideration the longest time duration to complete the project that is, future is uncertain anything can happen while the project is going on so longest time is taken as the Projects life
anonymous
  • anonymous
Predicts the time required to complete the project.
anonymous
  • anonymous
Shows which activities are critical to maintaining the schedule and which are not.
anonymous
  • anonymous
Provides a graphical view of the project.

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