Operations Management In The Supply Chain Decisions And Cases 7th
7th Edition
ISBN: 9781259718779
Author: Roger G Schroeder And Susan Meyer Goldstein
Publisher: McGraw Hill Education
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Chapter 13, Problem 2P
The following activities are required in starting up a new plant:
| Activity | Immediate Predecessor | Activity Time |
| A | – | 3 |
| B | – | 2 |
| C | A | 2 |
| D | B | 5 |
| E | A | 4 |
| F | C, D | 2 |
| G | E, C, D | 3 |
- a. Draw a network for this project.
- b. Make a forward and backward pass to determine ES, LS, EF, and LF.
- c. Calculate slack.
- d. Prepare a Gantt chart for this project.
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The conditions and pert times for constructing a network diagram are given below.-Creation conditions:(0-1) It is the initial activity.(1-2) and (1-3) Activities begin together.It follows activity (2-4) (1-2), activity (3-4) (1-3), and ends together.( 4-5 ) It is the last activity.
a-Create the network diagram.b-Calculate the critical path and show it on the diagram.c- If the expiry time is extended by 15 days, how much will the probability of expiry increase?
A project has these activities, precedence relationships, and activity durations:
Activity Immediate Predecessor Activity Activity Duration (Week)a * 3b * 4c * 3d c 12e b 5f a 7g e,f 3
a. Draw a CPM network for the project.
b. Provide an overview for the project by computing the duration for each path.
c. What is the critical path? What is the project's estimated duration?
Use the information in the table to sketch the AON network and compute early start and finish times ,late start and finish times, total slack for each activity.
Activity
Time
Predecessor
A
8
B
4
A
C
5
B, F
D
12
A
E
8
D
F
4
D
G
9
E, F
Chapter 13 Solutions
Operations Management In The Supply Chain Decisions And Cases 7th
Ch. 13 - How, precisely, does project scheduling differ...Ch. 13 - How would you, after the fact, audit a project to...Ch. 13 - Prob. 3DQCh. 13 - Contrast and compare CPM and PERT as...Ch. 13 - Define the terms critical path, ES, and LF.Ch. 13 - What is the management significance of finding the...Ch. 13 - Prob. 7DQCh. 13 - What is meant by the need to make trade-offs...Ch. 13 - Why are a forward pass and a backward pass needed...Ch. 13 - What is the definition of the earliest and latest...
Ch. 13 - A public accounting firm requires the following...Ch. 13 - The following activities are required in starting...Ch. 13 - A construction project has the following network...Ch. 13 - A plant start-up is based on the following...Ch. 13 - An entrepreneur is starting a new business. The...Ch. 13 - Prob. 6PCh. 13 - Construction of a building is based on the...Ch. 13 - The professor from problem 6 is considering...
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- The following information is known about a project:- Activity Activity time (Weeks) Immediate Predecessor(s) A 3 - B 11 - C 7 A D 13 B, C E 10 B F 6 D G 5 E H 8 F, G a) Draw the network diagram for this project b) Calculate for the slack time c) Find the critical path d) When is the project completion timearrow_forwardSchedule the following activities using CPM: Activity Immediate Predecessor Time (weeks) A - 1 B A 4 C A 3 D B 2 E C,D 5 F D 2 G F 2 H E,G 3 Part (a) Draw the network : Part (b) What is the critical path? Part (c) How many weeks will it take to complete the project? Part (d) What activities have slack, and how much?arrow_forwardMemorial College is considering building a new multipurpose athletic complex on campus. The following activities would have to be undertaken before construction can begin. Activity Description ImmediatePredecessor Time(weeks) A Survey building site 7 B Develop initial design 10 C Obtain board approval A, B 13 D Select architect C 3 E Establish budget C 5 F Finalize design D, E 14 G Obtain financing E 11 H Hire contractor F, G 9 (a) Draw a project network. (b) Identify the critical path. (c) Develop the activity schedule for the project. Activity EarliestStart LatestStart EarliestFinish LatestFinish Slack A B C D E F G H (d) What is the expected completion time for the project? The expected completion time is weeksarrow_forward
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- Dave Fletcher was able to determine the activity times for constructing his laser scanning machine. Fletcher would like to determine ES, EF, LS, LF, and slack for each activity. The total project completion time and the critical path should also be determined. Here are the activity times: Activity Time (weeks) Immediate Predecessor(s) Activity Time (weeks) Immediate Predecessor(s) A 7 − E 4 B B 6 − F 5 B C 4 A G 10 C, E D 2 A H 8 D , F Part 2 Dave's earliest start (ES) and earliest finish (EF) are: Part 3 Part 4 Part 5 Part 6 Part 7 Part 8 Part 9 Part 10 Dave's latest start (LS) and latest finish (LF) are:…arrow_forwardDave Fletcher was able to determine the activity times for constructing his laser scanning machine. Fletcher would like to determine ES, EF, LS, LF, and slack for each activity. The total project completion time and the critical path should also be determined. Here are the activity times: Activity Time (weeks) Immediate Predecessor(s) Activity Time (weeks) Immediate Predecessor(s) A 7 − E 5 B B 8 − F 6 B C 4 A G 11 C, E D 3 A H 7 D , F Part 2 Dave's earliest start (ES) and earliest finish (EF) are: Part 3 Part 4 Part 5 Part 6 Part 7 Part 8 Part 9 Part 10 Dave's latest start (LS) and latest finish (LF) are:…arrow_forwardFor the following Activity Tables, identify the critical path. Follow these steps: Step – 1: Construct a network diagram. Step – 2: Perform Forward and Backward pass (Early Start, Early Finish, Late Start, Late Finish) Step – 3: Determine Project Completion time. (from Critical Path) Step – 4: Calculate the float. (TOTAL FLOAT) Notes: 1. All duration are in terms of weeks.arrow_forward
- A project manager has compiled a list of major activities that will be required to install a computer information system in her firm. The list includes estimated completion times for activities and precedence relationships.Use Table B1 and Table B2. Activity ImmediatePredecessor Estimated Times(weeks) A — 2-4-6 D A 6-8-10 E D 7-9-12 H E 2-3-5 F A 3-4-8 G F 5-7-9 B — 2-2-3 I B 2-3-6 J I 3-4-5 K J 4-5-8 C — 5-8-12 M C 1-1-1 N M 6-7-11 O N 8-9-13 End H, G, K, O If the project is finished within 26 weeks of its start, the project manager will receive a bonus of $1,000; and if the project is finished within 27 weeks of its start, the bonus will be $500. Find the probability of each bonus. (Round Mean, Standard Deviation to 2 decimal places and Probability to 4 decimal places.) Path Mean Std. Dev. a-d-e-h 24.33 Numeric Response1. Edit Unavailable.24.33correct. 1.35 Numeric Response2. Edit Unavailable.1.35correct. a-f-g 15.50 Numeric…arrow_forwardA project manager has compiled a list of major activities that will be required to install a computer information system in her firm. The list includes estimated completion times for activities and precedence relationships.Use Table B1 and Table B2. Activity ImmediatePredecessor Estimated Times(weeks) A — 2-4-6 D A 6-8-10 E D 7-9-12 H E 2-3-5 F A 3-4-8 G F 5-7-9 B — 2-2-3 I B 2-3-6 J I 3-4-5 K J 4-5-8 C — 5-8-12 M C 1-1-1 N M 6-7-11 O N 8-9-13 End H, G, K, O If the project is finished within 26 weeks of its start, the project manager will receive a bonus of $1,000; and if the project is finished within 27 weeks of its start, the bonus will be $500. Find the probability of each bonus. (Round Mean, Standard Deviation, z-value to 2 decimal places and Probability to 4 decimal places.) Path Mean Std. Dev. a-d-e-h a-f-g b-i-j-k c-m-n-o Probability ($1,000) ______________________________ Probability…arrow_forwardDraw the network diagram based on the information given below. Calculate the ES, EF, LS, LF and slack for each activity and identify the critical path. Can the project be completed in 40 weeks? Activity Preceding Activity Time (Weeks) ES EF LS LF Slack A 10 B 8 C A, B 6 D A 8 E B 9 F C, D 7 G D, E 12 H F, G 10 b) Assume that activity A actually finished at the 9th week, activity B actually finished at the 10th Recalculate the expected project completion time. Which activities would you focus on in order to get the project back on schedule?arrow_forward
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