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cee167-sp06-mt2-Ibbs-soln - CE 167 Engineering Project...

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CE 167 Engineering Project Management Spring 2006 Prof. C.W. Ibbs MIDTERM #2 ___________________________________________________________ GENERAL INSTRUCTIONS This exam is to be completed in a bluebook – answers not recorded in a bluebook will not be graded. Place the exam sheets on the inside of your bluebook when finished and hand them in back with the bluebook. If you have a question during any portion of this exam, raise your hand and speak to the proctor. Write legibly. Question #1 [10 points] In cost estimation, what make projects similar? List five criteria and give an example of each one . One criteria (1’), One example (1’). A: 1. Similar project type. Example: both are residential buildings. 2. Similar schedule duration. Example: both last two years. 3. Similar location. Example: both in CA. 4. Similar market condition. Example: The material price, job markets are similar. 5. Similar contract format. Example: Both lump sum, turn key, cost plus incentive fee. 6. Similar site characteristics. Example: soil type, layout. 7. Similar weather. Example: rain, temperature. 8. Similar Design. Example: both are steel concrete structures or masonry structures or wood structures. 9. Similar Daily schedule: For example both use overtime (5 days a week vs. 6 days a week). Etc. 1
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Question #2 [20 points] List 4 different ways to measure a project’s % complete. Give an example for each one. What are the advantages and disadvantages of each? Name each method (2’). Each example (1’), only one advantage (1’) and one disadvantage (1’) are required for each method. Methods Example Advantage Disadvantage 1. Judgment/Guess- timation (2’) Estimate the painting work of a project is 20% done (1’) 1.Does not cost much 2. Quick (1’) 1. Very partial, personalized. 2. Not accurate (1’) 3. Quantity-based estimation (2’) Measure exactly how much concrete work has been done. (1’) 1. Exact/accurate 2. Objective (1’) 1. Takes time (1’) 3. Time or $ based (2’) 120 hours of labor hours have been spent. Total hours needed is 300 as estimated. So 40% is done (1’) 1. Easy and quick 2. Inexpensive to calculate (1’) 1. Lag 2. Lumpy/Cannot have a smooth curve.
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