You have signed a contract to build a garage for the Simpsons. You will receive a $500 bonus forcompleting the project within 30 working days. The contract also contains a penalty clause in which you willlose $100 for each day the project takes longer than 30 working days.Given the information below, complete the forward and backward pass, compute activity slack, and identifythe critical activities.ID DescriptionA Prepare siteBCDEFCHTGIJKPour foundationErect frameRoofWindowsDoorsElectricalсRough-in frame D, E, F, GF, GH, IJDoor openerPaintCleanupThe project will takeThe critical activities arePredecessorNoneABсCThe early start on Activity DisThe late start on Activity E isThe slack on Activity E isThe slack on Activity FisTime(days)6152335215days.days.days.days.days.

A network diagram shows the link between each task and the duration taken by each activity with…

Answered: You have signed a contract to build a…

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

Section: Chapter Questions

Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...

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You have signed a contract to build a garage for the Simpsons. You will receive a $500 bonus for completing the project within 30 working days. The contract also contains a penalty clause in which you will lose $100 for each day the project takes longer than 30 working days. Given the information below, complete the forward and backward pass, compute activity slack, and identify the critical activities. Time (days) 4 3 5 2 ID A BC с D E F G H I J K Description Prepare site Pour foundation Erect frame Roof Windows Doors Electrical Rough-in frame Door opener Paint Cleanup The project will take The critical activities are The early start on Activity D is The late start on Activity E is The slack on Activity E is The slack on Activity F is Predecessor None A (BUCCU с с с D, E, F, G F, G H, I J A, B, C, F, H, J, K MAN MA 4 2 5 3 2 4 28 days. 7 days. days. 10 days. days.
Build a PERT Analysis for a 3-month project with 6 activities (A to F) and 5 nodes
A project consisting of the following activities: Activities predece.Activities day TE M K J H G E C B G KJ G I,F D D E,C B,A| B,A A 1 3 4 6. 5 2 3 9 6 2 4 3 5 1- Draw the network diagram of the project 2- Calculate (Es) and (Lc) the project events 3- Select the critical path 4 - What is the minimum time required to complete the project?
You have signed a contract to build a garage for the Simpsons. You will receive a $500 bonus for completing the project within 30 working days. The contract also contains a penalty clause in which you will lose $100 for each day the project takes longer than 30 working days. Given the information below, complete the forward and backward pass, compute activity slack, and identify the critical activities. Time (days) 6 ID ABCDEFGHHDM А с I J к Description Prepare site Pour foundation Erect frame Roof Windows Doors Electrical Rough-in frame Door opener Paint Cleanup The project will take The critical activities are The early start on Activity D is The late start on Activity E is The slack on Activity E is The slack on Activity F is Predecessor None ABCCUU А В с с с с D, E, F, G F, G H, I J UNHUNONN ана 1 2 days. days. days. days. days.
Problem 3: Taken from Exercise 5 from section 8.4 of Wayne Winston Operations Research. Consider the (simplified) list of activities and predecessors that are involved in building a house. Draw a project network and determine the minimal number of days needed to build a house using the Bellman-Ford algorithm. Exhibit a corresponding critical path. Activity A B C D E F G Description Build foundation Build walls and ceilings Build roof Do electrical wiring Put in windows Put on siding Paint house Immediate Predecessors A B B B E C, F Duration (Days) 5 8 11 5 4 6 3
The project information of the project Automated Warehouse Order Picking System is presented as following. Draw a project network for this project. Compute the early and late activity times and the slack times. Identify the critical path. How many days will the project take? ID A B C D E F G H 80 130 85 95 Activity Define requirements Assign team Design hardware Code software Build & test hardware Develop patent request Test software Integrate systems Predecessor None A A B C C D E (F-S, lag 20d),F,G Time (days) 5 сл сл 5 20 20 10⁰ 15 15 40
PERT-CPM Yu and Mi Company is planning to computerize its accounting system. Its IT consultant has determined the following activities required to complete this project together with the time estimates and precedence relationships. Time estimates (weeks) Optimistic Most Likely Pessimistic 5 Activity Description Predecessor Recruit project personnel System development System training Equipment training Manual system test Prel. System changeover Computer-personnel interface Equipment redesign Equipment testing J A 8 12 17 B 3 15 C A 4 7 10 D A 8 23 В. С В. С D, E D, E E F 1 1 1 1 4 13 3 H 1 2.5 7 I H 1 1 1 System debugging and installation Equipment changeover F, G G, I K 5 8. 11 a. Determine the expected project completion time and the variance. b. What is the project's critical path? c. Determine the probability that the project will be completed in 40 weeks or less.
b) – Draw the Activity-on-Node (AON) diagram using the following representation for every node: Activity Description Expected Time ES EF LS LF Slack C.) Complete the following table, determine the expected time of completion assuming that the project starts at week 0 (zero) and identify the critical path for this project. Demonstrate all your calculations. On Critical Path? Activity Activity Description ES EF LS LF Slack Yes or No Locate new facilities 2 Order furniture Interview prospective staff Hire and train staff 3 4. Remodel facilities Receive and set up furniture Move in and start up 6 7 a) Complete the following table, calculate the project variance and project standard deviation. Demonstrate all your calculations.
Problem #2 Develop a network for the problem (below). Determine the total project completion time and the critical path(s). Activity Immediate Predecessors Time (Days) A - 3 B - 7 C A 4 D B 2 E C, D 5 F A 6 G E, F 3
Activity A 34 B с D E F G H Duration 6 4 6 3 8 3 8 10 0 6 10 10 16 16 24 24 ES X x X Determine the expected overall completion time. X 0 6 X 16 10 13 19 24 24 LS X X X X X X 6 10 16 13 24 19 32 34 EF X X X X X 6 10 16 16 24 22 32 34 LF X X X x X 0 0 0 3 0 ol 3 0 0 Slack X X
A project network is shown below, with three time estimates (Optimistic Time-Most Likely Time-Pessimistic Time (in days)) for each activity in the network. a. Compute the expected time for each activity in the project network. b. Identify and list all possible paths in the project network. Compute the expected duration for each path in the project network. c. Identify the critical path(s) in the project network. What is the expected project completion time? d. Compute the variance of each activity on the critical path(s). e. Determine the project variance and project standard deviation. Use the PERT analysis results in 2(c) and 2(e) to answer questions (f), (g), (h), and (i) below:f. What is the probability that the project can be completed within 22 days of its start? g. What is the probability that the project can be completed within 16 days of its start? h. Determine the project deadline that gives this project a 78% chance of on-time completion. i. Determine the project deadline…
From this PERT/CPM network, determine the list of activities and their predecessors. Activity Immediate Predecessor A B C D E F G H

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