Project Planning & Scheduling

Scheduled Cost of Work

Understanding Scheduled Cost of Work: A Key Element in Project Planning and Scheduling

In project management, understanding and effectively managing costs is paramount. Two crucial terms that often arise in this context are Scheduled Cost of Work (SCW) and Budgeted Cost of Work Scheduled (BCWS). Both terms play vital roles in tracking project progress and forecasting potential financial outcomes.

Scheduled Cost of Work (SCW) refers to the planned cost of the work scheduled to be completed by a specific point in time. It's a dynamic value that changes as the project progresses and the schedule is updated.

Budgeted Cost of Work Scheduled (BCWS), on the other hand, represents the planned cost of the work that was originally scheduled to be completed by that same point in time. BCWS remains fixed throughout the project lifecycle, even if the actual schedule changes.

Let's break down the key differences and applications of SCW and BCWS:

SCW:

  • Dynamic: Updates as the project schedule changes.
  • Focus: Reflects the current planned cost based on the latest schedule adjustments.
  • Use Case: Provides a realistic estimate of the cost of work expected to be completed at a given point in time, incorporating any schedule updates or changes.

BCWS:

  • Static: Remains unchanged throughout the project.
  • Focus: Represents the original planned cost for work scheduled at the beginning of the project.
  • Use Case: Serves as a baseline for comparing actual performance to the initial plan, allowing for variance analysis.

How are SCW and BCWS used together?

Both SCW and BCWS are used in conjunction with Actual Cost of Work Performed (ACWP) and Budgeted Cost of Work Performed (BCWP) to measure project performance and forecast financial outcomes.

  • BCWP represents the actual cost of the work completed to date.
  • ACWP represents the actual cost incurred to date.

By comparing these metrics, project managers can identify:

  • Schedule Variance (SV): The difference between BCWP and BCWS (SV = BCWP - BCWS)
  • Cost Variance (CV): The difference between BCWP and ACWP (CV = BCWP - ACWP)

Example:

Consider a project with a BCWS of $10,000 for work scheduled to be completed by week 4. Due to unforeseen circumstances, the schedule is revised, and the SCW for week 4 is now $12,000. By week 4, $11,000 worth of work is actually completed (BCWP), and the actual cost incurred is $11,500 (ACWP).

  • SV: $11,000 (BCWP) - $12,000 (SCW) = -$1,000 (Schedule Variance - indicating a delay)
  • CV: $11,000 (BCWP) - $11,500 (ACWP) = -$500 (Cost Variance - indicating an overspend)

Benefits of using SCW and BCWS:

  • Improved cost control: By tracking SCW and BCWS, project managers can proactively identify potential cost overruns and adjust plans accordingly.
  • Enhanced schedule management: Monitoring schedule variance provides insights into project progress and allows for timely adjustments to mitigate delays.
  • Accurate forecasting: Using these metrics helps in generating more precise cost and schedule forecasts, facilitating better decision-making.
  • Increased accountability: Clearly defined cost and schedule metrics enhance transparency and accountability within the project team.

Conclusion:

SCW and BCWS are valuable tools for effective project planning and scheduling. By understanding their individual roles and leveraging their combined power, project managers can gain better control over costs, schedules, and ultimately, project success.


Test Your Knowledge

Quiz: Understanding Scheduled Cost of Work (SCW) and Budgeted Cost of Work Scheduled (BCWS)

Instructions: Choose the best answer for each question.

1. What is the primary difference between SCW and BCWS?

(a) SCW is dynamic, while BCWS is static. (b) SCW represents actual cost, while BCWS represents planned cost. (c) SCW is used for schedule management, while BCWS is used for cost management. (d) SCW is calculated at the beginning of the project, while BCWS is updated throughout the project.

Answer

(a) SCW is dynamic, while BCWS is static.

2. Which of the following best describes the purpose of SCW?

(a) To track the actual cost of work completed. (b) To compare actual performance to the original plan. (c) To provide a realistic estimate of the cost of work expected to be completed at a given point in time. (d) To calculate the schedule variance.

Answer

(c) To provide a realistic estimate of the cost of work expected to be completed at a given point in time.

3. What does the Schedule Variance (SV) measure?

(a) The difference between BCWP and ACWP. (b) The difference between BCWP and SCW. (c) The difference between BCWP and BCWS. (d) The difference between ACWP and SCW.

Answer

(c) The difference between BCWP and BCWS.

4. What is the main benefit of using SCW and BCWS together?

(a) To track the actual cost of work performed. (b) To identify potential cost overruns and schedule delays. (c) To calculate the cost variance. (d) To forecast the final project cost.

Answer

(b) To identify potential cost overruns and schedule delays.

5. Which of the following statements is TRUE about BCWS?

(a) BCWS is calculated based on the latest schedule updates. (b) BCWS remains unchanged throughout the project lifecycle. (c) BCWS reflects the actual cost of work completed. (d) BCWS is used to measure the schedule variance.

Answer

(b) BCWS remains unchanged throughout the project lifecycle.

Exercise: SCW and BCWS in Action

Scenario:

You are managing a software development project with an original budget of $50,000 and a planned completion date of Week 8. The project is currently in Week 4.

  • Original Schedule (Week 4): BCWS = $25,000
  • Revised Schedule (Week 4): SCW = $28,000
  • Actual Performance (Week 4): BCWP = $23,000
  • Actual Cost (Week 4): ACWP = $24,000

Task:

  1. Calculate the Schedule Variance (SV) for Week 4.
  2. Calculate the Cost Variance (CV) for Week 4.
  3. Briefly explain the implications of the SV and CV for the project.

Exercice Correction

**1. Schedule Variance (SV):** SV = BCWP - BCWS = $23,000 - $28,000 = -$5,000 **2. Cost Variance (CV):** CV = BCWP - ACWP = $23,000 - $24,000 = -$1,000 **3. Implications:** * **SV (-$5,000):** The project is behind schedule, as the actual work completed is $5,000 less than the planned SCW for Week 4. * **CV (-$1,000):** The project is over budget, as the actual cost incurred is $1,000 more than the value of the work completed (BCWP). These variances indicate a potential need for corrective actions to bring the project back on track, both in terms of schedule and budget. The project manager should analyze the reasons for the delays and overspending and implement appropriate measures to mitigate these issues.


Books

  • A Guide to the Project Management Body of Knowledge (PMBOK® Guide): This foundational guide in project management provides detailed explanations on various project management concepts, including cost management and earned value management, which are crucial for understanding SCW.
  • Project Management: A Systems Approach to Planning, Scheduling, and Controlling by Harold Kerzner: This comprehensive textbook offers in-depth insights into cost management, schedule management, and their interrelationship, providing a strong foundation for understanding SCW.
  • Effective Project Management: Traditional, Agile, and Hybrid Approaches by Timothy Kloppenborg: This book explores various project management methodologies, including the traditional waterfall approach and agile approaches, highlighting the importance of cost and schedule management in both contexts.

Articles

  • Earned Value Management: A Practical Guide by ProjectManagement.com: This article provides a detailed overview of earned value management (EVM), including the key metrics like BCWS, BCWP, and ACWP, which are essential for calculating SCW.
  • Understanding Scheduled Cost of Work (SCW) in Project Management by PM Hut: This article focuses specifically on the concept of SCW, explaining its definition, calculation, and use in project cost control and forecasting.
  • Cost Management in Project Management by ProjectManagement.com: This article provides a comprehensive guide to cost management in project management, discussing various cost control techniques, including the use of SCW and BCWS.

Online Resources

  • Project Management Institute (PMI): The PMI website offers a wealth of resources on project management, including training materials, articles, and white papers on earned value management, cost management, and other related topics.
  • Earned Value Management Association (EVMA): The EVMA website provides valuable resources on earned value management, including best practices, case studies, and tools for implementing EVM in projects.

Search Tips

  • "Scheduled Cost of Work" + "project management": This search term will help you find resources specifically focused on the concept of SCW in project management.
  • "Earned Value Management" + "SCW": This search will lead you to articles and websites that explain the relationship between EVM and SCW.
  • "BCWS" + "SCW": Searching for these terms together will help you find resources that discuss the difference between BCWS (Budgeted Cost of Work Scheduled) and SCW (Scheduled Cost of Work).

Techniques

Similar Terms
Oil & Gas Processing
Project Planning & Scheduling
Cost Estimation & Control
Budgeting & Financial Control
Contract & Scope Management
Oil & Gas Specific Terms
Pipeline Construction
Data Management & Analytics
HSE Management Systems
Most Viewed

Comments

No Comments
POST COMMENT
captcha
Back