Construction Management
5th Edition
ISBN: 9781119256809
Author: Daniel W. Halpin, Bolivar A. Senior, Gunnar Lucko
Publisher: WILEY
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The following eight activities constitute an overall bar chart portrayal of a 4-month project.
After 1.5 months, Activities A, B, D, and half of E were completed, for a cost of $8,000. For this project, using earned value concepts, determine the schedule variance and the cost variance. State if the project is over or under budget and if it is ahead or behind schedule.
You are managing a project which is into six months of its execution. You are now reviewing the project status and you have ascertained that project is behind schedule. The actual cost of Activity A is Rs 2,00,000 and that of Activity B is Rs 1,00,000. The planned value of these activities are Rs 1,80,000 and Rs 80,000, respectively. The Activity A is 100% complete. However, Activity B is only 75% complete. Calculate the schedule performance index and cost performance index of the project on the review date.
Q2: When calculating a budget why a risk reserve, a simulation or estimation is performed. Provide justification with the help of examples?
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- Determine the probability that the project will take longer than 50 weeksarrow_forwardAnswer the following statements in accordance to your technical know-how regarding the topics/lessons given. 1. Stress out the differences between Estimating and Quantifying. 2. Why is it so important to follow the proper construction cycle? How advantageous it is in a construction of project? 3. In related to civil works, how do we come up with a good estimate of a project?arrow_forward1. A project your firm is considering for implementation has these estimated costs and revenues: an investment cost of $50,000; maintenance costs that start at $5,000 at the end of year (EOY) 1 and increase by $1,000 for each of the next 4 years, and then remain constant for the following 5 years; savings of $20,000 per year (EOY 1-10); and finally a resale value of $35,000 at the EOY 10. If the project has a 10-year life and the firm's MARR is 10% per year, what is the present worth of the project? Is it a sound investment opportunity? 2. A toll bridge across the Mississippi River is being considered as a replacement for the current 1-40 bridge linking Tennessee to Arkansas. Because this bridge, if approved, will become a part of the U.S. Interstate Highway system, the B-C ratio method must be applied in the evaluation. Investment costs of the structure are estimated to be $17,500,000 and $325,000 per year in operating and maintenance costs are anticipated. In addition, the bridge…arrow_forward
- Assume the following project data given in Table 1. It is required to crash the project duration from its original duration to a final duration of 110 days. Assume daily indirect cost of LE 100 *arrow_forwardAlong with question 1 and 2, what is the work and solutionarrow_forwardUsing the function point analysis template below and the following project parameters, calculate the total function points in the project. Inputs: 9 low, 5 average, 4 high Outputs: 5 average, 4 high Inquries: 10 average, 5 high Files: 3 average Interfaces: 3 average, 2 high What is the total function count for the project?arrow_forward
- Calculate the capitalized cost of a project that has an initial cost of P3,000,000 and an additional investment cost of P1,000,000 at the end of every year ten years. The annual operating cos will be P100,000 at the end of every year for the first four years and P160,000 thereafter. In addition, there is expected to be a recurring major rework cost of P300,000 every 13 years. Assume i=15%. Answer: P4,281,990arrow_forwardThe time and cost values for the project below are shown on the following page. a) Using the time-cost trade-off process shown in class, determine the logical steps to reduce the following project to its shortest duration. Use the tables provided on the following page. b) Draw bar charts for the project for both i. the normal project duration, and ii. the crash project duration. c) Draw a graph (time vs. $) showing the cumulative cost profiles for both the normal project duration and the crash project duration.arrow_forwardDevelop a logic network for the sequence of activities listed in the table. Calculate the ES, EF, LS and LF times for all activities. What is the project duration? What are the critical activities? Activity Duration PIB 5 4 None 10 2 None 15 4 5 20 3 5 25 5 10 30 1 15 35 3 25 40 7 20, 30, 35arrow_forward
- Describe the major differences between Production Risk and Project Riskarrow_forwardThe following cash flows result from a potential construction contract for Erstwhile Engineering. 1. Receipts of $500,000 at the start of the contract and $800,000 at the end of the fourth year. 2. Expenditures at the end of the first year of$400,000and at the end of the second year of $900,000. 3. A net cash flow of zero at the end of the third year. Using an appropriate rate of return method, for a MARR of 25 percent, should Erstwhile Engineering accept this project? Answer the following question: Erstwhile Engineering should/should not accept the project because the rate of return is (enter your response here) percent, which is less/greater than the MARR.arrow_forwardFor the S-Curve below you received on a project, you can deduce:a. At week 25 the project is ahead of scheduleb. At week 15 the project is ahead of schedulec. For weeks 16 and 17 no work was accomplishedd. The workforce will have to work extra shifts to finish the project on schedule.arrow_forward
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