What are the benefits of proper classification of materials

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Reference no: EM133341632

Construction Technology And Management - Construction Engineering And Management

Part 1:

Question 1: project network has five paths-P1, P2, P3, P4 and P5. The total activity duration computed along each of these paths are-22, 31, 20, 30 and 19 days, respectively. What is the minimum duration for project completion?

Question 2: The early occurrence time and the late occurrence time of the starting event of an activity are 10 and 12, respectively. The early occurrence time and the late occurrence time of the finishing event of the same activity are 22 and 26, respectively. If the estimated duration for the activity is 10 time units, what is the total float available for the activity?

Question 3: Two project activities ‘A' and ‘B' (B being dependent on A) have a finish-finish relationship with 8 days ‘lag'. The estimated durations for the activities are 10 days and 15 days, respectively. Ifactivity ‘A' is scheduled to start on the 12th day from the beginning of project, on which day can you schedule to start activity ‘B'?

Question 4: For the network shown in Figure Q6.5.1:
(a) What are the critical path and the project duration?
(b) If the estimated duration for activity ‘C' is revised to 8 days, will the critical path remain the same as earlier?

Question 5: You have to construct a building to set up your office. You own a plot of 100 square yards (30 feet 3 30 feet) in a prime location. For the time being, you are in a position to construct ground floor alone due to financial constraints. So, you have decided to construct a simple RC structure. It consists of individual footing for 16 columns (columns are spaced every 10 feet in both directions) and a plinth beam at about 1 m from the existing road level. All the columns are going up to roof level, and you plan to have an RC roof slab and beam. The in between space is constructed by using locally available bricks. There is earth filling up to plinth level, and after proper compaction of filled-up earth, flooring is laid. Other activities includeplastering, painting, doors and windows, plumbing and electrical work. For your ready reference, the estimated duration for individual activities and their dependence are listed in Table Q6.17.1. How much time will it take to construct the building?

Part 2: Project Scheduling and Resource Levelling.

Question 1 A construction company has been awarded a contract to construct a flyover in a city with a completion period of 18 months. The major activities in the project and the relationships among them, the normal and crash durations, and the corresponding normal and crash costs are given in Table Q7.1.1...

(i) If the project attracts a penalty of ` 10,000 per month for project completion beyond 18 months, find out the total project cost including penalty if the company does not ‘crash' any activity.
(ii) Which of the activities should be crashed first in order to reduce the penalty payable and reduce thetotal cost?

Question 2 The precedence requirements, normal and crash activity times, and normal and crash costs for a construction project are given in Table Q7.2.1. The overhead costs are ` 4 lakh per week.
(i) Find the critical path and time for completion under normal working conditions.
(ii) Find the optimum duration for the project to minimize the total project cost. What is the total project cost for the optimum duration?

Part 3: Construction Materials management.

Question 1. What are the benefits of proper classification of materials?

Question 2. What are the inventory-related costs? What are the functions of inventories?

Question 3. Why are inventory models needed? Discuss EOQ model.

Reference no: EM133341632

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