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  3. activities, predecessors and duration for a school

Activities, predecessors and duration for a School Building Project Activity Description Immediate predecessor Duration (days) A Clear Site and mobilize labour and...

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Question

Civil Engineering

Activities, predecessors and duration for a School BuildingProject

Activity

Description

Immediate predecessor

Duration (days)

A

Clear Site and mobilize labour and equipment

None

5

B

Excavate foundation

A

15

C

Procure materials (sand, cement, chippings etc.)

A

10

D

Pour foundation concrete

B, C

5

E

Mould sandcrete blocks (substructure)

C

5

F

Construct substructure block work

D, E

15

G

Construct superstructure block work

F, H

30

H

Make doors and window frames

I

10

I

Procure and preserve roof timber

C

10

J

Roofing, plastering and painting

G, I

25

K

Fabricate roof trusses

I

15

L

Mould sandcrete blocks (superstructure)

C

10

  1. Draw the network diagram.
  2. What is the critical path of the above project?
  3. Calculate the total and free floats for the activities.

Answer & Explanation Solved by verified expert
3.9 Ratings (586 Votes)
For each noncriticalactivity the total float and free float calculations areshown in    See Answer
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