Project Management: The Managerial Process (Mcgraw-hill Series Operations and Decision Sciences)
7th Edition
ISBN: 9781259666094
Author: Erik W. Larson, Clifford F. Gray
Publisher: McGraw-Hill Education
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Chapter 6, Problem 18E
The optical disk project team has started gathering the information necessary to develop the project network—predecessor activities and activity times in weeks. The results of their meeting are found in the following table.
The project team has requested that you create a network for the project, and determine if the project can be completed in 45 weeks.
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Mueller & Associates is a urban planning firm that is designing a new public park in an Omaha suburb. Coordination of the architect and subcontractors will require a major effort to meet the 45-week completion date requested by the owner. The Mueller project manager prepared the following project network.
A project network with 10 activities and 14 directed arcs is shown.
Activity Start is connected to activity A.
Activity A is connected to activity B, to activity C, and to activity D.
Activity B is connected to activity F.
Activity C is connected to activity E and to activity F.
Activity D is connected to activity E.
Activity E is connected to activity G and to activity Finish.
Activity F is connected to activity G and to activity H.
Activity G is connected to activity H.
Activity H is connected to activity Finish.
Activity Finish has no arcs directed to other activities.
Estimates of the optimistic, most probable, and pessimistic times (in weeks) for the activities are as…
the project lifecycle
1) List and explain the phases that mark the life of a project. 2) For each project phase identified in 1(a) above, describe at least four (4) projectactivities/processes performed in the phase. 3) With the use of a diagram, show (illustrate) the typical levels of uncertainty or projectrisks associated with each phase and throughout a project. 4) With the use of a diagram, show (illustrate) the typical levels of project staffingrelated to each phase and throughout a project. 5) For each project phase identified in 1(a) above, identify and describe at least one (1)major deliverable (output) of the phase.
Mueller & Associates is a urban planning firm that is designing a new public park in an Omaha suburb. Coordination of the architect and subcontractors will require a major effort to meet the 42-week completion date requested by the owner. The Mueller project manager prepared the following project network.
A project network with 10 activities and 14 directed arcs is shown.
Activity Start is connected to activity A.
Activity A is connected to activity B, to activity C, and to activity D.
Activity B is connected to activity F.
Activity C is connected to activity E and to activity F.
Activity D is connected to activity E.
Activity E is connected to activity G and to activity Finish.
Activity F is connected to activity G and to activity H.
Activity G is connected to activity H.
Activity H is connected to activity Finish.
Activity Finish has no arcs directed to other activities.
Estimates of the optimistic, most probable, and pessimistic times (in weeks) for the activities are as…
Chapter 6 Solutions
Project Management: The Managerial Process (Mcgraw-hill Series Operations and Decision Sciences)
Ch. 6 - How does the WBS differ from the project network?Ch. 6 - How are WBS and project networks linked?Ch. 6 - Why bother creating a WBS? Why not go straight to...Ch. 6 - Why is slack important to the project manager?Ch. 6 - What is the difference between free slack and...Ch. 6 - Why are lags used in developing project networks?Ch. 6 - What is a hammock activity, and when is it used?Ch. 6 - Here is a partial work breakdown structure for a...Ch. 6 - Draw a project network from the following...Ch. 6 - Draw a project network from the following...
Ch. 6 - Draw a project network from the following...Ch. 6 - Draw a project network from the following...Ch. 6 - From the following information, develop an AON...Ch. 6 - The project information for the custom order...Ch. 6 - You have signed a contract to build a garage for...Ch. 6 - You are creating a customer database for the...Ch. 6 - K. Nelson, project manager of Print Software....Ch. 6 - A large Southeast city is requesting federal...Ch. 6 - You are creating a customer database for the...Ch. 6 - You are completing a group term paper. Given the...Ch. 6 - You are managing a product upgrade project for...Ch. 6 - You are creating a database for the Oklahoma City...Ch. 6 - The planning department of an electronics firm has...Ch. 6 - Using Microsoft Project, set up the network and...Ch. 6 - The optical disk project team has started...Ch. 6 - From the following information, compute the early,...Ch. 6 - Given the following information, compute the...Ch. 6 - Given the information in the following lag...Ch. 6 - Given the network below, compute the early, late,...Ch. 6 - The CyClon project team has started gathering...Ch. 6 - Advantage Energy Technology Data Center...Ch. 6 - Advantage Energy Technology Data Center...Ch. 6 - Advantage Energy Technology Data Center...Ch. 6 - The GE Company is preparing a bid to build the new...Ch. 6 - The GE Company is preparing a bid to build the new...Ch. 6 - The G&E Company is preparing a bid to build the...
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- I need a detailed explanation and assistance to solve the this problem: A company decides to plan a project, with activities, precedences and deterministic durations given in the following table: Activity i Duration (days) Immediate Predecessors A 32 none B 21 none C 30 none D 45 A E 26 A, B F 28 C G 20 E, F a) What method should be used? Using only one pseudo-activity, draw the project network, with arcs labeled by the activity name and duration. b) Compute and display in a table the earliest and latest starting and finishing times, as well as slack, for each activity, and identify the critical path(s). C) Draw a Gantt chart of the schedule, based on earliest starting times d) Which activities must be completed by day 60 to ensure that the project is not delayed?arrow_forwardGiven the following project: Activity Predecessor Normal Time (day) Normal Cost ($) Crash Time (day) Crash Cost ($) A - 4 800 2 1300 B - 10 1200 7 2400 C A 6 1100 4 1700 D A,B 7 1000 4 1600 E C 10 2000 8 3000 F C,D 5 900 - - (a) Draw the network and find the critical path duration of the project, total cost of project using normal times. (b) Calculate the maximum time reduction and crash cost-per-day (all activities may be partially crashed) for each activity. Then fill the table below. (Note: Activity “F” cannot be crashed) Activity Maximum Time Reduction (day) Cost to Crash per Period ($/day) A B C D E F (c) Find the optimal way of getting a 20-day delivery time. What is the project cost? (d) Find the optimal way of getting a 18-day delivery time. What is the project cost?arrow_forwardDescribe the need of expert project management for complicated projects and why it is necessary.arrow_forward
- Please assist in detailed explanation on the following question in Project Scheduling: 1) - A company decides to plan a project, with activities, precedence and deterministic durations given in the following table: Activity i Duration (days) Immediate Predecessors A 32 none B 21 none C 30 none D 45 A E 26 A, B F 28 C G 20 E, F Questions: 1.1) What method should be used? Using only one pseudo-activity, draw the project network, with arcs labeled by the activity name and duration. 1.2) Compute and display in a table the earliest and latest starting and finishing times, as well as slack, for each activity, and identify the critical path(s). 1.3) Draw a Gantt chart of the schedule, based on earliest starting times 1.4) Which activities must be completed by day 60 to ensure that the project is not delayed?arrow_forwardThe table below show a set of activities of an IS project,its expected completion time (ET) and preceding activities. Activity Preceding Activity Expected Time (ET) A - 7 B A 9 C A,B 5 D C 17 E C 12 F C 7 G D,E,F 10 H D,G 7 Construct a network diagram ,and calculate its earliest completion time (TE), latest completion time (TL) and slack time (ST). If the activity E took 16weeks instead of 12weeks to complete ,what impact will it have on the project duration?arrow_forwardCreate for the Project Network for the below:arrow_forward
- Using the information in Table-1, assuming that the project team will work a standard working week (5 working days in 1 week) and that all tasks will start as soon as possible: Task Description Duration (WorkingDays) Predecessor/s A Requirement Analysis 5 B Systems Design 15 A C Programming 25 B D telecoms 15 B E Hardware Installation 30 B F Integration 10 C, D G System Testing 10 E, F H Training/Support 5 G I Handover and Go-Live 5 H (i) Determine the critical path of the project (ii) Calculate the planned duration of the project in weeks (iii) Identify any non-critical tasks and the float (free slack) on each.arrow_forwardBased on Table below, discuss how to complete the following project case:a. Create a network model in the form of Activity and Arrow (AoA) and Activity on Node (AoN) for the marketing product project of a company using the CPM method (manual and optimization software)! b. Analyze the critical path and critical duration for the company's project! Activity Description Predecessor Duration (day) A Production Planning — 18 B Market Survey and Market Research — 20 C Production Analysis A 28 D Modeling Product A, B 31 E Sales Brochures A, B 21 F Cost Analysis C, E 33 G Product Experiment D, E 42 H Sales Training B, E 29 I Cost Pricing H 26 J Project Report F, G, I 50arrow_forward1)List and explain the phases that mark the life of a project. 2) For each project phase identified in 1(a) above, describe at least four (4) project activities/processes performed in the phase. 3) With the use of a diagram, show (illustrate) the typical levels of uncertainty or project risks associated with each phase and throughout a project. 4) With the use of a diagram, show (illustrate) the typical levels of project staffing related to each phase and throughout a project. 5) For each project phase identified in 1(a) above, identify and describe at least one (1) major deliverable (output) of the phase.arrow_forward
- Using the following table, calculate the project duration Task Predecessor Duration (weeks) A - 1 B A 2 C - 2 D - 3 E B 3 F C, D 4 G E,F 6 H F 1arrow_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?arrow_forwardTo be able to meet delivery dates, a project consultant intimates that a project should be analyzed with activities as follows: ACTIVITY IMMEDIATE PREDECESSOR EXPECT DURATION (WEEKS) A. Initial discussion none 3 B. product design none 5 C. Market survey B 3 D. market evaluation A,C 4 E. product costing D 8 F. sales plan C 2 G. product pricing F 4 H. prototype F 2 I. master inform B 5 J.prototype testing HEG 3 (i) Draw a network to represent the various activities of the project.(ii) Draw up a table showing for each activity, the earliest and latest start and finish times and total float/slack.(iii) Determine the critical path and project duration.(iv) As a management science student, advise the management about the effect on the project completion time If the start time of activity A is delayed by 3weeks, activity G is delayed by 8 weeksarrow_forward
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