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construction project management

Questions and Answers of Construction Project Management

Using the computational approach presented in this chapter, compute the scaled CAF weight for each activity in Exercise 5.3.Exercise 5.3Use the minimum totals lack (Min TS) heuristic to schedule the
Schedule the project in Exercise 5.3 using each of the following heuristics: CAF, LS, ES, LC, EC, TS, CRD, and ACTIM. What is the shortest project duration obtained? Which heuristics yield that
Draw the resource loading graph for each schedule in Exercise 5.6.Exercise 5.6Schedule the project in Exercise 5.3 using each of the following heuristics: CAF, LS, ES, LC, EC, TS, CRD, and ACTIM.
Draw the resource idleness graph for each schedule in Exercise 5.6.Exercise 5.6Schedule the project in Exercise 5.3 using each of the following heuristics: CAF, LS, ES, LC, EC, TS, CRD, and ACTIM.
Use the computational measure presented in this chapter to compute the resource utilization level (area) for each schedule in Exercise 5.6.Exercise 5.6Schedule the project in Exercise 5.3 using each
Three project crews are awarded a contract to construct an automated plant. The crews can work simultaneously on the project if necessary. Crew 1, working alone, can complete the project in 82 days.
A project involves laying 100 miles of oil distribution pipe in the Alaskan wilderness. It is desired to determine the lowest-cost crew size and composition that can get the job done within 90 days.
Suppose the utilization level of a critical resource is defined by a normal distribution with a mean of \(70 \%\) and a variance of \(24 \%\) squared. Compute the probability that the utilization of
Suppose rainfall is a critical resource for a farming project. The availability of rainfall in terms of inches during the project is known to be a random variable defined by a triangular distribution
A scarce resource is to be leased for an engineering project. There is a graduated cost associated with using the resource at a certain percentage level, \(U\). A step function has been defined for
Suppose three resource types (RES 1, RES 2, and RES 3) are to be assigned to a certain task. RES 1 working alone can complete the task in 35 days, RES 2 working alone can complete the task in 40
Three resource types (RES 1, RES 2, and RES 3) are to be assigned to a certain task. RES 1 working alone can complete the task in 35 days, RES 2 working alone can complete the task in 40 days, and
Develop a quantitative methodology for incorporating different levels of quality of work by different resource types into the procedure for work rate analysis presented in this chapter.
Use the approach presented to compute the project network complexity for the data in Exercise 5.3.Exercise 5.3Use the minimum totals lack (Min TS) heuristic to schedule the resource-constrained
For the project data in the table, use the comprehensive network complexity measure to compute the network complexity for the following alternate levels of resource availability:
For the project data in the table, use the comprehensive network complexity approach to compute the network complexity for all possible combinations of resource availability \(\left(Z_{1},
There are three resource types available for a certain project. One unit of each resource type is available. The project manager wants to evaluate the project cost on the basis of how resource teams
Three resource types (RES 1, RES 2, and RES 3) are to be assigned to a certain task. RES 1 working alone can complete the task in 30days, RES 2 working alone can complete the task in 45 days, and RES
Suppose snowfall is a critical resource for a skiing business. The availability of snowfall in inches during a season is known to be a random variable defined by a triangular distribution with a
Compute scaled CAF priority weight for each of the activities in the project described hereafter. Use the scaled values to schedule the activities. Compare the schedule obtained to the schedule in
In a certain project operation, it was noted that a total assembly cost of \(\$ 2,000\) was incurred for the production of 50 units of a product. Suppose an additional 100 units were produced at a
Suppose an operation is known to exhibit a learning curve rate of \(85 \%\). Production was interrupted for 3 months after 100 units had been produced. If the cost of the very first unit is \(\$
Suppose the first 20 unit batch of a product has an average cost of \(\$ 72\) per unit, the next 30 unit batch has an average cost of \(\$ 60\) per unit, and the next 50 unit batch has an average
The first performance of a task requires \(8 \mathrm{~h}\). The twentieth performance of the task requires only \(2 \mathrm{~h}\). If this task is subject to a conventional learning process,
Suppose unit 190 of a product requires \(45 \mathrm{~h}\) to produce under a learning curve rate of \(80 \%\). Determine the number of hours required by the first unit of the product and the number
The first 50 unit order of a job shop costs \(\$ 1,500\). It is believed that the shop experiences a \(75 \%\) learning curve rate. Determine a reasonable price quote for the next 80 unit order of
Suppose the 60th unit of a product produced under a learning rate of \(80 \%\) is \(\$ 30\). If the production standard is \(\$ 20\) per unit, determine how many more units must be produced before
Pay and work rate distribution exercise: Suppose two construction workers did a job together over several days and agreed to split the profits as follows:Contractor A: \(40 \%\)Contractor B: \(60
Calculate the takt time for a production project that calls for the production of 125 units of a product within an 8 -h workday that includes two \(15-\mathrm{min}\) rest breaks and a \(45-\)-min
Give one definition of productivity that relates to managerial control.
Some common impediments to control.
Prepare a taxonomy of what should be included in a PMIS as measures of control.
How is the WBS valuable in project monitoring and control?
How can schedule control be tied in with cost control?
For each of the causes of control problems listed in this chapter, discuss what corrective actions should be taken.
List some additional reasons for terminating a project as a measure of control.
Given the following data for three projects, perform the complete data analysis as was done for Table 6.2. How would you perform the average cross-check in the cell marked "XXX"?Table 6.2 Row Row
For each of the following measurement scales-nominal scale, ratio scale, ordinal scale, and interval scale-list at least five factors or data types associated with project management that can be
The employees selected to work on a project are surveyed to select the type of organization structure suitable for the project. Which measure of central tendency would be the most appropriate to
Use the raw data presented in Exercise 6.8 to verify that \(\Sigma(X-\bar{X})=0\).Exercise 6.8Given the following data for three projects, perform the complete data analysis as was done for Table
Using a software tool, such as a spreadsheet program, compute the average deviation, standard deviation, and variance for the raw data presented in Exercise 6.8.Exercise 6.8Given the following data
What types of data would you recommend to be collected for a project involving the construction of a new soccer playground in a small community?
The duration of a certain task is known to be normally distributed with a mean of 7 days and a standard deviation of 3 days. Find the following:a. The probability that the task can be completed in
Alctrex Construction Company is bidding against Betatrex for a building project. Due to past performance of both companies, Alctrex knows that if the company bids a lower or an equal amount, it will
Consider the following payoff matrix for a decision-making problem:Determine the best alternative as a function of \(P\left(\theta_{1}\right)=p\), where \(0 \leq p \leq 1\). What is the best
Draw a fishbone diagram for evaluating the causes of deficiencies for each of the following project parameters:Cost Schedule Performance
The birthday problem is a popular problem in probability. The problem involves finding the probability that at least two people have the same birthday in a group of \(N\) individuals. An activity
Suppose \(N\) independent candidates are to be scheduled for interviews during 1 year ( 365 days). Each interview takes exactly 1 day. There is only one interviewer available and only one candidate
Develop a computer simulation model to solve the problem in Exercise 6.18. Run the simulation for \(N=1,2,3, \ldots, 200\). Plot the probabilities versus the values of \(N\). Discuss your findings.
Repeat the activity scheduling example presented in this chapter with the assumption that a \(15-\mathrm{min}\) break is required between the completion of one activity and the start of the next
A delivery person makes deliveries to two project sites, site A and site B. He receives \(\$ 1,000\) per delivery to site \(A\) and \(\$ 200\) per delivery to site \(B\). He is required to make at
Solve the LP model of the example presented in this chapter on the number of workers to assign to a project workstation. Discuss how you would go about implementing the LP solution in a practical
Develop and solve the knapsack formulation to schedule the project presented in Table 7.10, the resource for which is presented in Table 7.11.Draw the Gantt chart for the schedule. Use the following
Solve the resource assignment problem with the following cost matrix:\[ \left[\begin{array}{llll} 3 & 7 & 2 & 4 \\ 3 & 6 & 5 & 7 \\ 6 & 4 & 5 & 6 \\ 4 & 3 & 4 & 5 \end{array}\right] \]
Starting with Vogel's approximation as the starting solution, solve the transportation problem example presented in this chapter. The example was previously solved with the northwest-corner starting
Golden Eagles, Inc. produces three styles of portable stadium seats: high-rider style, low-rider style, and line-hugger style. The seats are made of high-impact composite material and are produced in
A project manager has four crews that can be hired on a temporary basis during peak construction periods. The manager currently has three projects more than can be handled with his regular crews. It
Find the shortest path between the originating node and the terminal node for the following acyclic network.
Develop a computer program for finding the shortest path between all pairs of nodes in a directed acyclic network. Use the program to verify your solution in Exercise 7.9.Exercise 7.9Find the
Develop a general LP formulation for scheduling the project in Table 7.12. Resource requirements and precedence relationships must be satisfied in the model \(\left(R_{1}=5, R_{2}=3\right)\).Table
Use any software tool available to you to solve the LP model in Exercise 7.11.Exercise 7.11Develop a general LP formulation for scheduling the project in Table 7.12. Resource requirements and
White Water Fun Park is planning to add another ride that consists of three main parts A, B, and C. The manager anticipates that it will take 14 days to receive the material. It should then take 7
Develop an integer programming model for the resource allocation problem in Figure 7.47, assuming that daily resource availability is 5 units. Use LINDO or any other integer programming software to
Consider the project network given in Figure 7.48.a. Determine the critical path for the network when each activity is realized at its normal time.b. Suppose the project must be completed in 15 days.
A fashion clothing warehouse is located in Oklahoma City and serves five stores located in Norman, Tulsa, Oklahoma City, Muskogee, and Stillwater. Each week a truck delivers clothes from the
Solve Exercise 7.14 (integer programming) using the simulated annealing procedure. Use \(T=60, k=0.8\) and stop when the order does not change in three iterations.Exercise 7.14Develop an integer
Develop a definition for the Triple C model of project management.
List and discuss five major functions in project planning.
Describe the role of the project manager in project planning.
Develop a project planning model for the construction of a new manufacturing facility. The facility will produce products to be sold in the international market.
List some of the factors that can impede the flow of information for project planning purposes. How can these factors be controlled?
Discuss the impact of hygiene factors and motivators in project planning.
Discuss how the concepts of MBO and MBE can be integrated for project planning purposes.
Discuss some of the criteria that can be used to assess the technical feasibility of a project.
Prepare the technical section of a project proposal dealing with environmental impact assessment for a new industry. Select a specific industry type for your response.
Prepare the management section of a project proposal dealing with environmental impact assessment for a new industry. Use the same industry type selected in Exercise 2.9.
Use the combination and permutation formulas to compute and plot the complexity of project communication against varying values of n, the number of discussants. Discuss what you observe in the
Suggest a suitable organization structure for an industrial development project.Justify your recommendation with a discussion.
Discuss how a poor organization structure can lead to project failure.
Which organization structure was used on the last project that you worked on?
Discuss how the matrix structure can be implemented in an organization that traditionally adheres to strict hierarchical structure.
Develop a model for a mixed organization structure using matrix, product, and functional structures.
Draw a market organization structure for a new product to be marketed worldwide. Select a specific product type to answer this exercise.
Develop a table of advantages and disadvantages of the different organizational structures presented in this chapter.
Show that, for any PERT project network, the probability of finishing the project in exactly x time units is zero.
Repeat the crashing exercise presented in Table 4.5 by crashing only the three critical activities C, E, and G. What is the new project duration? What is the new total project cost?Table 4.5 Option
The following historical data was compiled for the time (days) it takes to perform a task: 11, 18, 25, 30, 8, 42, 25, 30, 13, 21, 26, 35, 15, 23, 29, 36, 17, 25, 30, 21. Based on the given data,
Answer the following questions using the tabulated PERT project data.a. Draw the AON CPM network for the project, perform the forward and backward computations, and determine the project duration.b.
The following CPM network is subject to the following two simultaneous restrictions:a. The project cannot start until 5days from time 0 (i.e., ES of the start node = 5).b. There is a deadline of
Using the mathematical expressions for FS and TS, show that FS cannot be larger than TS.
Show that even if TS > 0, FS may or may not be greater than 0.
Suppose five activities are on a CPM critical path and each activity has TS = 2.Determine the overall effect on the critical path length if two of the critical activities are delayed by 2 time units
Give practical examples of SS, SF, FF, and FS precedence constraints.
Suppose two serial activities A and B are the only activities in a precedence diagramming network. Activity A precedes activity B. There is an SS restriction of 4 time units and an FF restriction of
Perform a PERT analysis of the following project and find the probability of finishing the project between 16 and 20 days inclusive. Activity Predecessors Duration Estimates (Days) (a, m, b) 1 3 4,5
Answer the following questions using the tabulated project data.a. There is a penalty of $3,000/day beyond the normal PERT duration. Perform a crashing analysis to compare total normal cost to total
Suppose it is known that the duration of a project has a triangular distribution with a lower limit of 24months, an upper limit of 46months, and a mode of 36months.Find the probability that the
Suppose it is known that the duration of a project is uniformly distributed between 24 and 46months. Find the probability that the project can be completed in 40months or less.
You are given the following project data:If the PERT time estimates for each activity are defined as\[ \begin{aligned} & a=t-0.3 t \\ & m=t \\ & b=t+\sqrt{t} \end{aligned} \]find a
Suppose we are given the following data for a project:There is no penalty if the project is completed on or before the normal PERT duration. However, a penalty of \(\$ 3,000\) is charged for each day

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