Question

In: Operations Management

A project consisting of six activities has the following precedence constraints. Activity Time (weeks) Immediate Predecessors...

A project consisting of six activities has the following precedence constraints.

Activity

Time (weeks)

Immediate Predecessors

A

3

B

3

A

C

4

A

D

5

A

E

6

C, D

F

2

B, E

Draw the AOA (activities on the arrows) network diagram for this project

Solutions

Expert Solution

Network diagram refers to the sequence of how the activities will be performed and arrange the activities in sequence and how they are dependent on one another.

The difference between AON and AOA method are: -

In AON diagram, the activities are represented by nodes whereas in AOA diagram, the activities are represented by arrows.

In AON diagram, the arrow represents the interdependencies or precedence relationships whereas in AOA diagram, the events are represented by nodes.

In AON diagram, activity number and description are written inside the oxis that is the node whereas in AOA diagram activity number and description are quoted on the logical diagram


Related Solutions

A project has the following activities, precedence relationships, and time estimates in weeks: ​ Activity Immediate...
A project has the following activities, precedence relationships, and time estimates in weeks: ​ Activity Immediate Predecessor Activities Optimistic Time (to) Most Likely Time (tm) Pessimistic Time (tp) A — 15 20 25 B — 8 10 12 C A 25 30 40 D B 15 15 15 E B 22 25 27 F E 15 20 22 G D 20 20 22 ​ a.   Compute the expected time and variance for each activity. b.   Determine the critical path and the expected...
19. Consider a project consisting of five activities. The immediate predecessors and the activity times are...
19. Consider a project consisting of five activities. The immediate predecessors and the activity times are summarized as below: Activity Immediate Predecessor Activity time (in days) A None 3 B A 2 C A 1 D B, C 3 E D 4 In CPM, what is the completion time of the project? A 12 days B 11 days C 13 days 20. A forecasting method has produced the following over the past five months. What is the mean absolute deviation...
The following table represents a project with four activities. All times are in weeks. Activity Immediate...
The following table represents a project with four activities. All times are in weeks. Activity Immediate Predecessor Optimistic Time Most Likely Time Pessimistic Time A - 4 8 16 B - 7 8 9 C A 6 10 18 D B 5 13 18 A. According to the data in the table. What is the critical path? B. According to the data in the table, what is the minimum expected completion time for the project? C. According to the table...
Activities, predecessors and duration for a School Building Project Activity Description Immediate predecessor Duration (days) A...
Activities, predecessors and duration for a School Building Project Activity Description Immediate predecessor Duration (days) A Clear Site and mobilize labour and equipment None 5 B Excavate foundation A 15 C Procure materials (sand, cement, chippings etc.) A 10 D Pour foundation concrete B, C 5 E Mould sandcrete blocks (substructure) C 5 F Construct substructure block work D, E 15 G Construct superstructure block work F, H 30 H Make doors and window frames I 10 I Procure and...
A project involves the following activities, their predecessors, and the times (in weeks) associated with each...
A project involves the following activities, their predecessors, and the times (in weeks) associated with each activity. Activity Immediate Predecessor Optimistic (a) Most Likely (m) Pessimistic (b) A -- 1 2 3 B -- 2 3 4 C -- 3 4 5 D A 4 5 12 E B 1 3 5 F B 3 4 11 G C 5 6 13 H D, E 8 9 10 I F, G 4 5 6 J H, I 1 1 1...
A project involves the following activities, their predecessors, and the times (in weeks) associated with each...
A project involves the following activities, their predecessors, and the times (in weeks) associated with each activity. Activity Immediate Predecessor Optimistic (a) Most Likely (m) Pessimistic (b) A -- 1 2 3 B -- 2 3 4 C -- 3 4 5 D A 4 5 12 E B 1 3 5 F B 3 4 11 G C 5 6 13 H D, E 8 9 10 I F, G 4 5 6 J H, I 1 1 1...
Consider a project consisting of four activities A, B, C, and D. The following are constraints...
Consider a project consisting of four activities A, B, C, and D. The following are constraints within which the project has to be conducted • A and B, the first activities of the project, can be started simultaneously. • C can be started only after A is completed. • D can be started only after B is completed Suppose the activity times for the activities are A = 4 weeks, B = 3 weeks, C = 2 weeks, D =...
The table below presents durations, direct costs and immediate predecessors for each activity of a project...
The table below presents durations, direct costs and immediate predecessors for each activity of a project executed by a contracting company, under both normal and crash conditions. The weekly indirect cost is L.E. 40. Activity Code Immediate Predecessors Normal Duration (week) Normal Total Direct Cost (L.E) Crash Duration (Week) Crash Total Direct Cost (L.E) Total Allowable crash Time (Week) Cost Slope per Week (L.E) A None 8 325 5 400 3 25 B None 12 1200 11 1320 1 120...
The estimated times and immediate predecessors for the activities in a project at George Kyparis's retinal scanning company are given in the following table.
The estimated times and immediate predecessors for the activities in a project at George Kyparis's retinal scanning company are given in the following table. Assume that the activity times are independent. a) What is the expected completion time of the critical path? What is the expected completion time of the other path in the network? b) What is the variance of the critical path? What is the variance of the other path in the network? What is the project duration (in weeks)? c)...
Activity Optimistic Time Estimate (weeks) Most Likely Time Estimates (weeks) Pessimistic Time Estimates (weeks) Immediate Predecessor(s)...
Activity Optimistic Time Estimate (weeks) Most Likely Time Estimates (weeks) Pessimistic Time Estimates (weeks) Immediate Predecessor(s) A 3 6 9 none B 3 5 7 A C 4 7 12 A D 4 8 10 B E 5 10 16 C F 3 4 5 D, E G 3 6 8 D, E H 5 6 10 F I 5 8 11 G J 3 3 3 H, I A.)Using the information given, construct a network diagram using AON notation....
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT