GTU Civil Engineering (Semester 7)
Construction management and Equipments
May 2015
Total marks: --
Total time: --
INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary


1 (a) Discuss objectives of construction management and Explain Planning, Scheduling and controlling as a prime focal function of Construction Management.
7 M
1 (b) What is critical path? Distinguish between CPM and PERT.
7 M

2 (a) The following network shown in figure 1 has the estimated duration for each activity marked. Determine the critical path. Also determine total float and free Float for each activity.

7 M
2 (b) Explain in detail Resources Smoothing method of Resources allocation problems.
7 M
2 (c) Illustrate the method of updating a network during its execution period.
7 M

3 (a) A construction project consists of 12 activities. The predecessor relationships are identified by their node numbers as indicated below. Draw the network diagram.
ACTIVITY IDENTITY ACTIVITY IDENTITY ACTIVITY IDENTITY ACTIVITY IDENTITY
A (1,2) D (2,7) G (4,6) J (7,8)
B (2,4) E (3,4) H (5,6) K (6,8)
C (2,3) F (3,5) I (5,7) L (8,9)
7 M
3 (b) What is Gantt bar chart? Explain with the help of suitable example, the method of preparing bar chat.
7 M
Explain in brief the following soil fundamentals.
3 (c) i) Materials properties.
4 M
3 (c) ii) Soil weight-volume relationships
3 M
3 (d) i) Explain importance of soil fundamentals related to swell, shrinkage etc. with reference to large scale earth excavation, moving and compaction projects.
2 M
3 (d) ii) Estimate book value of equipment at the end of each year of ownership from following data:
- Initial book value of equipment = Rs. 27,00,000/-
- Period of ownership = five years.
- Salvage value = Rs.3,00,000/-
- method of depreciation = sinking fund method take i = 18%
5 M

4 (a) What do you understand by Job layout? What are the factors affecting the job lay out?
7 M
4 (b) Explain in detail various financial aspects of procuring construction equipments.
7 M
4 (c) Find out sinking fund for accumulating 65/- lakh in five years at the rate of interest of 10%.
7 M
4 (d) Enlist various methods of estimating depreciation and explain any one in detail.
7 M

Write a short note on'
5 (a) i) Crawler tractor.
7 M
5 (a) ii) Clam shell
7 M
5 (b) What are the uses of power shovels? Describe with neat sketch basic parts and Operation of power shovel.
7 M
5 (c) Discuss the effect of grade of slope of a haul road on the tractive effort.
7 M
5 (d) i) A four cycle engine when tested under given condition of temperature is 34°C. At pressure 720 mm of Hg was found 75.76 Hp. Determine the Hp for standard condition.
4 M
5 (d) ii) Write a brief note on coefficient of traction.
3 M



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