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Construction Management - May 16
Civil Engineering (Semester 8)
Total marks: 80
Total time: 3 Hours
INSTRUCTIONS
(1) Question 1 is compulsory.
(2) Attempt any three from the remaining questions.
(3) Draw neat diagrams wherever necessary.
1. Write short notes on any four of the following:
Activity | A | B | C | D | E | F | G | H | K | L | M |
---|---|---|---|---|---|---|---|---|---|---|---|
Preceding activity | - | - | - | A | B | B | C | C | F | G | H,K,L |
Duration (days) | 3 | 3 | 3 | 18 | 4 | 15 | 8 | 11 | 7 | 5 | 7 |
a) Draw a A-O-A network
b) Work out all activity times and floats
c) Identify the critical path and the project duration.
Activity | A | B | C | D | E | F | G |
---|---|---|---|---|---|---|---|
Preceding activity | - | - | - | A | B | C | E |
Duration (days) | 4 | 5 | 3 | 4 | 5 | 3 | 7 |
Masons required | 3 | 4 | 4 | 3 | 2 | 4 | 8 |
Smoothen the resources depending upon the peak demands.
Activity | Immediate predecessor | Normal duration(weeks) | Normal Cost(Rs) | Crash duration (weeks) | Crash cost(Rs) |
---|---|---|---|---|---|
A | - | 3 | 3000 | 1 | 4500 |
B | A | 2 | 5000 | 1 | 8000 |
C | B | 4 | 2000 | 2 | 4000 |
D | B | 3 | 7000 | 1 | 10,000 |
E | B | 2 | 12,500 | 2 | 12,500 |
F | C | 3 | 10,000 | 1 | 13,500 |
G | D,E | 5 | 6500 | 3 | 9000 |
H | F | 4 | 4300 | 2 | 8000 |
Activity | 1-2 | 1-3 | 1-4 | 2-5 | 3-6 | 4-5 | 4-6 | 4-7 | 5-7 | 6-7 |
---|---|---|---|---|---|---|---|---|---|---|
Time required | 6 | 7 | 4 | Dummy activity | 4 | 12 | 10 | 8 | 5 | 6 |
The following conditions exist at the end of 10 days:
i) Activity 1-2, 1-3 and 1-4 have been completed as originally scheduled.
ii) Activity 4-5 is in progress and will require 6 more days for its completion.
iii) Activity 4-6 is in progress and still require 6 more days for its completion.
iv) Activity 3-6 is in progress and will be completed in one day.
v) Other activities have not been commenced and their original predicted duration will hold good, except for activity 5-7 which will require only three days instead of 5 days originally planned.
Update the network and determine the critical path of the updated network. What is the total increase in the project duration?
i) Statistical Quality Control
ii) Resource Leveling
iii) Cost Slope
Activity | Estimated duration (weeks) | |||
---|---|---|---|---|
i | j | to | tm | tp |
1 | 2 | 2 | 3 | 5 |
1 | 3 | 4 | 9 | 14 |
1 | 4 | 2 | 8 | 12 |
2 | 5 | 1 | 1 | 1 |
3 | 5 | 2 | 5 | 14 |
4 | 6 | 2 | 8 | 10 |
5 | 6 | 3 | 9 | 15 |
i) Draw project network
ii) Find expected duration, standard deviation and variance of all activities.
iii) Calculate the variance of the project duration.
iv) What is the probability that the project will be completed 3 weeks earlier than the expected date?
i) Beta distribution curve
ii) ISO 1400
iii) OSHA
iv) Requirements for preparation of a site layout
v) Sources of funds for starting a project.