IEEN_EPN_2023fall_exam3_Ver2

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South Texas College *

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5312

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Mechanical Engineering

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Dec 6, 2023

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1 TEXAS A&M UNIVERSITY-KINGSVILLE Frank H. Dotterweich College of Engineering Department of Mechanical and Industrial Engineering Engineering Project Management Exam No. 3 Name:Garza, Adriana. Date: 11/30/23 Last First K#: 00447969 Important: To get the full credits, show all your works and write as detail as you can, otherwise you will get a partial credit. 1. Consider a project with the following information, and answer the questions, 1. a) - 1. d). Activity Duration (days) Predecessor Resource Hours Needed per day A 2 None 6 B 3 A 6 C 6 B 5 D 5 A 3 E 3 C, D 7 1. a) Draw a network diagram.
2 1. b) Find ES, EF, LS, LF and Slack and complete the following table. Path: Durtion: A-B-C-E- 14 A-B-D-E 13 A-B-C-D 16 The longest is A-B-C-D ActivityDuration (days) Predecessor ES EF LS LF Slack A 2 - 0 2 0 2 0 B 3 A 2 6 2 6 0 C 6 B 2 10 5 13 3 D 5 A 13 8 3 9 1 E 3 C, D 6 13 6 13 0
1. cc) Complete the following Time-Phased Resource Loading Table for this project. Task 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 A 2 B 4 C 8 D 6 E 7 Total 1. d) Assume that the maximum resource hours per day available for the project are eight. Level the resource loading table below without project delay. Assume that hours for each task cannot be separated or divided. Task 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 A B C D E Total 2. There is a project that starts on August, and expects to finish at the end of December with
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$100,000 of budget. Now, you want to evaluate this project at the end of October. All amounts are in thousands of dollars. Use the data on the following table to answer 2. a) to 2. f). Show your all works for full credits. Duration Aug Sep Oct Nov Dec Planed % Comp PV EV Conceptual Design 10 6 16 100% 16 16 Graphics Design 12 6 4 22 65% 22 14.3 Copyright 4 5 6 15 50% 15 7.5 Samples 4 2 6 30% 6 1.8 Tooling 6 9 4 19 10% 19 1.9 Production 2 6 14 22 5% 22 1.1 Total (planned) 10 18 22 26 24 100 100 42.6 Cumulative (planned) 10 28 50 76 100 Actual 8 15 16 - - Cumulative (actual) 8 23 39 - - Note that the cumulative PV = 100 Cumulative EV = 42.6 Cumulative AC = 55 Duration Aug Sep Oct Nov Dec Planed % Comp Conceptual Design 10 6 16 100% Graphics Design 12 6 4 22 65% Copyright 4 5 6 15 50% Samples 4 2 6 30% Tooling 6 9 4 19 10% Production 2 6 14 22 5% Total (planned) 10 18 22 26 24 Cumulative (planned) 10 28 50 76 100 Actual 8 15 16 - - Cumulative (actual) 8 23 39 - -
2. a) What is the Earned Value for this project? 42.6 2. b) What is the schedule performance index (SPI) for the project at the end of October ? CPI= Cumulatve EV / Cumulative AC = 42.6/55 = 0.77 2. c) What is the estimated schedule (time) to complete this project? The planned duration for the project is five months. But the SPI is 0.77 So, the project is expected to complete in 5 /0.77 = 3.85 months. 2. d) What is the cost performance index (CPI) for the project at the end of October ? CPI= Cumulatve EV / Cumulative AC = 42.6/55 = 0.77 2. e) What is the estimated cost to complete this project? The Budget At Completion (BAC)is 100 The cumulative EV is 42.6 Estimate to complete ETC = (BAC- EV/CPI) = 100-42.6 0.77 = 74.54
3. f) Based on your estimations on schedule and cost in 2. c) and 2. e), are those estimations good signs or bad signs of the project? Why? Describe the reason(s). So, based on the above estimates, the project is ahead of its schedule as we have found that it will take less time than the planned duration to complete in part B. However, it is consuming a little less budget than planned, and if the same cost-performance remains till the end, the project might consume the additional budget. The overall estimate at completion will be ETC+AC=42.6+55=97.6 thousand, which is less than the planned 100 thousand.
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