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 eachactivity. The total project completion time and the critical path should also be determined. Here are the activity times:TimeActivity (weeks)ABCDDave's earliest start (ES) and earliest finish (EF) are:500 3 38ImmediatePredecessor(s)AAActivityABCTimeActivity (weeks)5597EFGHES00EF588ImmediatePredecessor(s)BBC, ED, F

Activity Duration A5B8C3D3E5F5G9H7

Answered: Fletcher was able to determine the…

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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Draw a network diagram showing the linkage between these activities from start to finish. For the diagram, each activity should be labelled alphabetically ie. A, B, C… etc. PERT Formula: TE = (O + 4T + P) / 6 TE = Pert Expected Time Duration, O = Optimistic estimate, P = Pessimistic estimate, T = Most Likely (Typical) estimate Activity Predecessor Optimistic Most Likely Pessimistic Duration Duration in Weeks A — 2 3 4 B — 4 5 7 C B 1 2 3 D C & E 0.5 1 1.5 E B 0.5 1 1.5 F C 2 3 4 G F 2 3 4
The table below contains data for the installation of new equipment in a manufacturing process a Excello Corporation. Your company is responsible for the installation project. Indirect costs are $10,000 per week, and a penalty cost of $9,000 per week will be incurred by your company for every week the project is delayed beyond week12. Activity Immediate Predecessor(s) ABCDEFG long dash- long dash- ABCDEFG A B C D, E E Normal Time Crash Time Normal Cost Crash Cost (weeks) (weeks) ($) ($) 1 14,000 2 3,000 1 40,000 3 22,000 1 8,000 4 13,000 2 16,000 3234 1 6 63 7,000 3,000 12,000 12,000 8,000 5,000 9,000 a. What is the shortest time duration for this project regardless of cost? (Enter your response as a whole number.) b. What is the minimum total cost associated with completing the project in 12 weeks? C. What is the total time of the minimum cost schedule? (enter your response as whole numbers). The total project's duration according to minimum cost schedule is? The minimum cost schedule…
The following represents a project that should be scheduled using CPM: IMMEDIATE PREDECESSORS ACTIVITY A ABCDEFGH B-E-G-H b. What is the critical path? A-C-F-H OA-D-F-H A-D-G-H A A B C,D D, E F,G Project completion time a LLL23312 TIMES (DAYS) m •WNNW: 3 2 2 3 4 4 4 4 b 5 3 3 4 11 c. What is the expected project completion time? Note: Do not round intermediate calculations. Round your answer to 2 decimal places. days 565
Roger Ginde is developing a program in supply chain management certification for managers. Ginde has listed a number of activities that must be completed before a training program of this nature could be conducted. The activities, immediate predecessors, and times appear in the accompanying table: a. the critical activities for the leadership training program development project are: _____ b. the project length for the leadership training program development project= __ days. c. Slack time for each of the activities is: Activity: Slack time: A ______ B ______ C ______ D ______ E ______ F ______ G ______
General Foundry’s project crashing data are shown below. Crash this project to 13 weeks using CPM. What is the final time for each activity after crashing? What is the crash cost per week per activity and the total cost of crashing? TIME (WEEKS) COST ($) ACTIVITY IMMEDIATE PREDECESSORS NORMAL CRASH NORMAL CRASH A — 2 1 22,000 23,000 B — 3 1 30,000 34,000 C A 2 1 26,000 27,000 D B 3 2 48,000 49,000 E C 4 2 56,000 58,000 F C 3 2 30,000 30,500 G D, E 5 2 80,000 83,000 H F, G 2 1 16,000 19,000
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: Time Activity (weeks) A 6 B 8 с 2 D 1 Immediate Time Predecessor(s) Activity (weeks) E 3 F 7 A A Dave's earliest start (ES) and earliest finish (EF) are: G H 9 8 Immediate Predecessor(s) B B C, E D.F
The table below contains data for the installation of new equipment in a manufacturing process at Excello Corporation. Your company is responsible for the installation project. Indirect costs are $12,000 per week, and a penalty cost of $8,000 per week will be incurred by your company for every week the project is delayed beyond week 12. Activity Immediate Predecessor(s) A B с D E F G || D, E Normal Time Crash Time Normal Cost (weeks) ($) 3 7,000 2 3,000 3 12,000 4 12,000 1 8,000 6 5,000 3 9,000 (weeks) 1 2 1 3 1 4 2 D Crash Cost ($) 14,000 3,000 40,000 22,000 8,000 13,000 16,000
The Mama Lit is a restaurant near a project site and it is a direct supplier of food for the nearby project site workers. To gain competitive advantage and meet quality requirements by its customer, Mama Lit has undertaken a project to achieve that. The project management team has developed the list of required activities (see Table 2) Table 2: List of Mama Lit project activities for project site workers ACTIVITY IMMEDIATE PREDECESSOR DURATION A - 2 B A 4 C A 5 D B 2 E B 1 F B 8 G D, E 3 H F 5 I F 4 J G, H, I 7 Required: a) Draw the network diagram for the project activities on node.b) Identify all the paths in the project with and identify the critical path(s).
A large Southeast city is requesting federal funding for a park-and-ride project. One of the requirements in the request application is a network plan for the design phase of the project. Sophie Kim, the chief engineer, wants you to develop a project network plan to meet this requirement. She has gathered the activity time estimates and their dependencies shown here. Description Survey Soils report C Traffic design D Lot layout E Approve design Illumination G Drainage H Landscape I Signage J Bid proposal ID A B The project is expected to take The critical path is: Early start for Activity E is: Late finish for Activity F is: Slack for Activity C is: Predecessor None A A A B, C, D E E E E F, G, H, I Time (days) 13 22 21 a 9 74 20 20 22 17 15 12 days. day(s).
A large Southeast city is requesting federal funding for a park-and-ride project. One of the requirements in the request application is a network plan for the design phase of the project. Sophie Kim, the chief engineer, wants you to develop a project network plan to meet this requirement. She has gathered the activity time estimates and their dependencies shown here. ID Description A Survey B Soils report с Traffic design D Lot layout E Approve design F G Drainage H Landscape I Signage J Illumination Bid proposal The project is expected to take The critical path is: Early start for Activity E is: Late finish for Activity F is: Slack for Activity C is: Predecessor None A A A B, C, D E E E E F, G, H, I Time (days) 9 22 25 6 76 20 24 24 25 9 days. day(s).
Draw the PDM network diagram for the following project, calculate the earliest and latest starting and finishing times for all activities, and hence calculate the total float, free float for each activity. Activity IPA Duration (WEEKS) WORKERS REQUIRED PER WEEK EQUIPMENT REQUIRED (hrs/WEEK) H ---- 10 5 8 I H 8 4 2 J H 6 8 6 K J 4 2 1 L J 2 6 2 M J 4 3 2 N I 4 2 0 O I 5 5 0 P I, J 5 6 6 Q L 5 2 0 R M 5 0 4 S N 3 0 4 T Q 3 0 0 U O, S 1 9 8 V K, R 5 14 8 W U 2 6 8 X V 3 6 8 Y P,W,X,T 8 14 8 Z Y 6 5 8 If there is a limit of 15 workers per week, smooth the workers loading using ES and LS histogram. Based on the proposed scheduling, plot the equipment loading histogram for the project. Independently of the above resource leveling, schedule the…
Development of Version 2.0 of a particular accounting software product is being considered by Jose Noguera's technology firm in Baton Rouge. The activities necessary for the completion of this project are listed in the following table: Normal Crash Normal Activity Time (weeks) Time (weeks) Cost ABCDEFG 4 2 3 8 6 3 4 3 1 3 4 3 2 2 $2,100 $2,300 $600 $2,400 $800 $3,400 $1,400 Total Cost with Crashing Immediate Predecessor(s) $2,750 $2,900 $600 $2,680 $1,100 $4,600 $1,900 a) Based on the given information regarding the activities for the project, the project length b) The total cost required for completing this project on normal time = $ 13000. | | A B C D, E = 16 weeks. c) For reducing the duration of the project by one week, the activity that should be crashed first is activity D The cost of the project based on the first activity selected for crashing will increase by $ 70. d) The maximum weeks by which the project can be reduced by crashing = 7 weeks. Total cost of crashing the…

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