Aggregating Costs Activity ID Activity Immediate Predecessor Duration in days Resource Work Hours per Day A Evaluate freezers 2 Alcides 6 B Chart temperatures 6 Joan 4 C Review service record 2 Alcides D Consult with HVAC engineer A, B, C 3 Alcides E Develop construction plan D 10 Joan F Complete IC assignment E 2 Alcides G Complete ROI analysis E 5 Joan H Conduct regulatory review E 4 Joan I Obtain construction approval F, G, H 2 Alcides WBS Activity Immediate Predecessor Estimated Duration in weeks Resource 1 Process Improvement Project 1.1 Operational definition 1.1.1 Research literature 3 Becky 1.1.2 Identify and define terms 1.1. Ann 1.1.3 Obtain approval of definition 1.1. Clive 1.2 Target Selection 1.2.1 Solicit partners for pilot 2 Ann 1.2.2 Hold brainstorming meeting 1.2.

Becky 1.2.3 Identify characteristics of targets 1.2.2, 1.3. Ann 1.2.4 Obtain approval of partners 1.2.3, 1.1.2, 1.3. Clive 1.3 Question set 1.3.1 Identify process group members 2 Clive 1.3.2 Develop question set 1.2. Ann 1.3.3 Prototype and validate question set 1.3. Becky 1.3.4 Add partners 1.3.1, 1.2.

Becky 1.4 Pilot process 1.4.1 Schedule with target audience 1.2. Becky 1.4.2 Conduct beta test 1.3.4, 1.2. Clive 1.4.3 Process feedback from target audience 1.4. Ann 1.4.4 Conduct pilot 1.4. Clive 1.4.5 Analyze results 1.4. Clive

Paper for above instructions

Aggregating Costs for Project Management: A Comprehensive Overview

Project management involves complex activities that demand coordinated efforts across various deliverables and functional domains. Cost estimation plays a critical role in the success and accuracy of project execution. This paper explores the process of aggregating costs in project management through the lens of specific activities, responsibilities, and durations, concluding with a cost aggregation framework and effective resource allocation techniques.

Understanding Activity Cost Aggregation

Activity Cost Aggregation is a fundamental aspect of project management that aligns the project's budget with deliverables and time frames. Each activity has an associated cost based on its duration, resource requirements, and any other expenses that may arise during execution. According to the Project Management Institute (PMI), accurate cost estimation is vital for effective budgeting, resource allocation, and ensuring project feasibility (PMI, 2021).

Data Structure of Activities

In our project management scenario, the activities are organized as follows, with each activity containing an ID, immediate predecessor, duration in days, and the resources assigned:
1. Evaluate Freezers (A):
- Predecessor: None
- Duration: 6 days
- Resource: Alcides
- Work Hours per Day: 8 hours
2. Chart Temperatures (B):
- Predecessor: None
- Duration: 4 days
- Resource: Joan
3. Review Service Record (C):
- Predecessor: None
- Duration: 2 days
- Resource: Alcides
4. Consult with HVAC Engineer (D):
- Predecessor: A, B, C
- Duration: 3 days
- Resource: Alcides
5. Develop Construction Plan (E):
- Predecessor: D
- Duration: 10 days
- Resource: Joan
6. Complete IC Assignment (F):
- Predecessor: E
- Duration: 2 days
- Resource: Alcides
7. Complete ROI Analysis (G):
- Predecessor: E
- Duration: 5 days
- Resource: Joan
8. Conduct Regulatory Review (H):
- Predecessor: E
- Duration: 4 days
- Resource: Joan
9. Obtain Construction Approval (I):
- Predecessor: F, G, H
- Duration: 2 days
- Resource: Alcides

Cost Aggregation Calculation

To begin aggregating the costs, we can calculate the total man-hours required for each activity and subsequently apply a formula for determining total costs. Man-hours are calculated by multiplying the duration by the number of work hours per day.
For example, for 'Evaluate Freezers (A)', the calculation would be:
- Duration = 6 days
- Work Hours per Day = 8 hours
- Man-Hours = 6 days * 8 hours/day = 48 hours
Assuming Alcides is paid /hour, then the total cost for Activity A would be:
- Cost(A) = 48 hours * /hour =

Aggregating Costsactivity Idactivityimmediate Predecessorduration In D

Aggregating Costs Activity ID Activity Immediate Predecessor Duration in days Resource Work Hours per Day A Evaluate freezers 2 Alcides 6 B Chart temperatures 6 Joan 4 C Review service record 2 Alcides D Consult with HVAC engineer A, B, C 3 Alcides E Develop construction plan D 10 Joan F Complete IC assignment E 2 Alcides G Complete ROI analysis E 5 Joan H Conduct regulatory review E 4 Joan I Obtain construction approval F, G, H 2 Alcides WBS Activity Immediate Predecessor Estimated Duration in weeks Resource 1 Process Improvement Project 1.1 Operational definition 1.1.1 Research literature 3 Becky 1.1.2 Identify and define terms 1.1. Ann 1.1.3 Obtain approval of definition 1.1. Clive 1.2 Target Selection 1.2.1 Solicit partners for pilot 2 Ann 1.2.2 Hold brainstorming meeting 1.2.

Becky 1.2.3 Identify characteristics of targets 1.2.2, 1.3. Ann 1.2.4 Obtain approval of partners 1.2.3, 1.1.2, 1.3. Clive 1.3 Question set 1.3.1 Identify process group members 2 Clive 1.3.2 Develop question set 1.2. Ann 1.3.3 Prototype and validate question set 1.3. Becky 1.3.4 Add partners 1.3.1, 1.2.

Becky 1.4 Pilot process 1.4.1 Schedule with target audience 1.2. Becky 1.4.2 Conduct beta test 1.3.4, 1.2. Clive 1.4.3 Process feedback from target audience 1.4. Ann 1.4.4 Conduct pilot 1.4. Clive 1.4.5 Analyze results 1.4. Clive

,400.
Using this method for each activity and summing them, we obtain the total project costs.
| Activity | Duration (days) | Resource | Man-Hours | Hourly Rate | Total Cost |
|----------|------------------|----------|-----------|-------------|------------|
| A | 6 | Alcides | 48 | |

Aggregating Costsactivity Idactivityimmediate Predecessorduration In D

Aggregating Costs Activity ID Activity Immediate Predecessor Duration in days Resource Work Hours per Day A Evaluate freezers 2 Alcides 6 B Chart temperatures 6 Joan 4 C Review service record 2 Alcides D Consult with HVAC engineer A, B, C 3 Alcides E Develop construction plan D 10 Joan F Complete IC assignment E 2 Alcides G Complete ROI analysis E 5 Joan H Conduct regulatory review E 4 Joan I Obtain construction approval F, G, H 2 Alcides WBS Activity Immediate Predecessor Estimated Duration in weeks Resource 1 Process Improvement Project 1.1 Operational definition 1.1.1 Research literature 3 Becky 1.1.2 Identify and define terms 1.1. Ann 1.1.3 Obtain approval of definition 1.1. Clive 1.2 Target Selection 1.2.1 Solicit partners for pilot 2 Ann 1.2.2 Hold brainstorming meeting 1.2.

Becky 1.2.3 Identify characteristics of targets 1.2.2, 1.3. Ann 1.2.4 Obtain approval of partners 1.2.3, 1.1.2, 1.3. Clive 1.3 Question set 1.3.1 Identify process group members 2 Clive 1.3.2 Develop question set 1.2. Ann 1.3.3 Prototype and validate question set 1.3. Becky 1.3.4 Add partners 1.3.1, 1.2.

Becky 1.4 Pilot process 1.4.1 Schedule with target audience 1.2. Becky 1.4.2 Conduct beta test 1.3.4, 1.2. Clive 1.4.3 Process feedback from target audience 1.4. Ann 1.4.4 Conduct pilot 1.4. Clive 1.4.5 Analyze results 1.4. Clive

,400 |
| B | 4 | Joan | 32 | | ,280 |
| C | 2 | Alcides | 16 | | 0 |
| D | 3 | Alcides | 24 | | ,200 |
| E | 10 | Joan | 80 | |