Practical Management Science
6th Edition
ISBN: 9781337406659
Author: WINSTON, Wayne L.
Publisher: Cengage,
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Build a PERT Network Diagram for a 3-month project with 6 activities (A to F) and 5 nodes
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- Stan's No Touch Car Wash is looking to implement a new ERP system. Colin Alexander has been developing a project plan and has identified the following tasks, precedence relations, and normal task durations. Tasks Predecessors mu_t sigma_t Start 0 0 A start 25 12 B A 17 14.11 C A 45 46.35 D A 32 15.36 E A 37 10.36 F C,D 10 11.8 G B,F 41 15.17 H E,G 44 44.44 end H 0 0 Colin has studied project management at the University of Portland and knows that the starting and ending time of any task may be determined from the information in the table using the critical path method. Assume the following notation when answering the questions below: Metric Description E[ES_i] Expected early start time for task i E[EF_i] Expected early finish time for task i E[LS_i] Expected late start time for task i E[LF_i] Expected late finish time for task i Pr(S_i =< t) Probability the start time for task I =< t Pr(F_i =< t) Probability the finish time for task I…arrow_forwardWhat are some tactical projects that can be initiated because of complaints that arise from facilities manager performing his tasks or integrating it as part of the strategic function of an FM Manager?arrow_forwardThe product development group at “Griffin” Company has already worked on new computer software products that has potential to know a large market share. Via an outside source, London Management has learned that a competitor is working to bring a similar product to market. As a result, London's top management increased its pressure on the product development group. Group leaders have turned to CPM / PERT as an aid to scheduling remaining activities before new products can be brought to market. The estimated time of activity in a day is as follows Question: Create an initial network Find the cost and the duration Determine the path and critical activitiesarrow_forward
- Please don't provide handwriting solutionarrow_forward3.7 Task time estimates for a production line setup project at Robert Klassen’s Ontario factory are as follows: Activity A, B,C,D,E,F,G. Time(in hours) 6.0,7.2,5.0,6.0,4.5,7.7,4.0 Immediate Predecessors -,-,A)B,C)B,C)D)E,F) a. Draw the project network using AON. b. Identify the critical path. c. What is the expected project length? d. Draw a Gantt chart for the project.arrow_forwardPlease help mearrow_forward
- a) Prepare the Activity Node Diagram and identify the Critical Path b) Prepare Gantt ChartThanksarrow_forward1. The activities involved in the construction of a certain project are given in Table 1. One resource type will be used during the contract. Determine minimum level of the resource required to complete the project. a) Draw the precedence network and perform the CPM calculations. b) Prepare the Bar chart, Resource load table and and resource histogram (for both Early start time and Late start time) c) Allocate the required resources, then level them so that the contractor does not use more than six laborers at any time. Preceded Duration Laborers by Activity |(Days) A B 7 4 C A 3 3 D А,В 5 3 E C,D 2 2.arrow_forwardFor the activity times and network model below, What is the expected completion time? ________ What is the critical path? ____________ Activity Time A 3 B 2 C 2 D 4 E 3 F 2arrow_forward
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