Earned Value Definitions
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Estimate at Completion with Combined Performance (EAC-C)

What is Estimate at Completion with Combined Performance (EAC-C)? Earned Value Management explained.

Mia Rutherford
Mia Rutherford
February 24, 2024
5 min read

Earned Value Management (EVM) is a systematic project management process that integrates project scope, schedule, and cost parameters for planning and controlling project performance. This article delves into the concept of Estimate at Completion with Combined Performance (EAC-C), an advanced EVM technique that provides a more comprehensive forecast of project costs by considering both cost and schedule variances. Understanding and implementing EAC-C can significantly enhance a project manager's ability to predict project outcomes and take timely corrective actions.

Key Takeaways

Understanding the Fundamentals of Earned Value Management

Defining Key EVM Elements

Earned Value Management (EVM) is a systematic project management process that integrates project scope, time, and cost parameters to predict project performance and success. Understanding the key elements of EVM is essential for anyone involved in project management, particularly in the construction sector where precision and control are paramount.

These elements form the foundation of EVM and are used to calculate key performance indicators that help project managers assess progress and performance. With a comprehensive glossary of 100 Earned Value Management definitions, both beginners and experts can deepen their understanding of EVM concepts and calculations, ensuring that projects are delivered on time and within budget.

The Role of Earned Value in Project Performance

Earned Value (EV) is a pivotal metric in the realm of project management, particularly within the context of Earned Value Management (EVM). It provides a quantifiable measure of work completed, offering a real-time snapshot of project performance against the planned schedule and budget. By integrating cost, schedule, and scope, EV serves as a comprehensive guide for effective project monitoring, cost control, and decision-making.

To accurately gauge project performance, the following steps are essential:

These steps enable project managers to identify variances early on and make informed decisions to steer the project back on course. The insights gained from EV analysis are crucial for maintaining control over the project's trajectory, ensuring that it remains aligned with the strategic objectives and delivers value to key stakeholders. As an essential tool for project success, EV allows for a proactive approach to managing the myriad challenges that arise during the lifecycle of a construction project.

Establishing the Project Baselines

The establishment of project baselines is a pivotal step in the journey of project management. It involves setting the initial scope, schedule, and budget, which collectively serve as the reference point for future performance measurement. To ensure a robust baseline, one must:

Once these baselines are in place, they become the yardstick against which all project progress is measured. Regular monitoring and control are essential to identify any deviations from the original plan, allowing for timely interventions and adjustments. Utilising tools and software for tracking, such as those offering features like Shift Planner and Reporting, can enhance the accuracy and efficiency of this process. Remember, the baseline is not just a plan; it's the foundation upon which project success is built.

The Mechanics of Earned Value Analysis

Calculating Planned Value (PV)

Planned Value (PV) is the cornerstone of any robust Earned Value Management system, providing a baseline against which project performance can be measured. It represents the authorised budget allocated for the scheduled work and is pivotal in establishing a benchmark for progress evaluation. To calculate PV effectively, one must consider:

This calculation enables project managers to ascertain whether the project is on track financially and to what extent the work scheduled has been accomplished within the set budget parameters. Our website offers resources like downloads, blogs, and videos for infrastructure projects, which can be instrumental in understanding and applying these concepts, especially in complex sectors such as the rail industry, RMM, and extreme weather contracts.

Measuring Work Completion and Earned Value (EV)

The process of measuring work completion and calculating Earned Value (EV) is pivotal in assessing the true progress of a project against its plan. EV is the estimated value of the work actually performed, and it is a critical metric in Earned Value Management (EVM) that provides a snapshot of project health.

To accurately measure work completion, one must:

  1. Define the scope of the project.
  2. Create a Work Breakdown Structure (WBS).
  3. Establish clear criteria for determining the progress of tasks.
  4. Calculate the Planned Value (PV) for the scheduled work.
  5. Track project execution against the baseline.

Once these steps are completed, EV can be determined by applying the established criteria to the actual work completed. This enables project managers to explore the impact of site diaries on project management, from tracking progress to managing resources. Furthermore, it underscores the benefits of using EVM metrics to gain insights into the project's efficiency and effectiveness. By identifying deficiencies early, recommendations can be made to enhance project performance and achieve better cost and schedule control.

Assessing Project Performance with Cost and Schedule Variances

Once the project is underway, it's crucial to monitor its health through cost and schedule variances. These metrics offer a snapshot of how the project is performing against the baseline. Schedule Variance (SV) is calculated by comparing the Earned Value (EV) to the Planned Value (PV), giving insight into whether the project is ahead or behind schedule. Cost Variance (CV), on the other hand, measures the difference between EV and Actual Cost (AC), indicating if the project is over or under budget.

To effectively assess project performance, consider the following steps:

  1. Calculate Earned Value (EV) to understand the work completed.
  2. Determine Schedule Variance (SV) and Cost Variance (CV) to identify deviations from the plan.
  3. Establish thresholds or benchmarks to interpret these variances meaningfully.
  4. Analyse the reasons behind the variances to pinpoint specific areas of concern.

By mastering variance analysis, project managers can proactively address issues, ensuring that the project remains on track and within budget. It's not just about identifying problems but understanding their root causes and potential impact on the project's trajectory.

Estimate at Completion with Combined Performance (EAC-C)

Integrating Cost and Schedule Performance

In the realm of project management, the integration of cost and schedule performance is pivotal for a comprehensive view of project health. Earned Value Management (EVM) serves as a critical tool in this integration, enabling managers to control project costs and schedules effectively. By calculating key performance indicators such as the Cost Performance Index (CPI) and the Schedule Performance Index (SPI), project managers can gain valuable insights into the project's cost and schedule performance.

To accurately assess overall project performance, one must:

These steps are essential for pinpointing areas where the project may be over or underperforming. By integrating cost and schedule metrics, project managers can forecast the final cost and completion date with greater precision, ensuring that the project remains on track and within budget.

Forecasting Project Costs with EAC-C

The Estimate at Completion with Combined Performance (EAC-C) is a pivotal tool in forecasting the total project costs by integrating both cost and schedule performance factors. This method provides a more comprehensive view of the project's financial health, allowing for more accurate predictions and proactive management.

To calculate EAC-C, one must first understand the actual costs (AC) incurred to date. AC represents the total cost expended in completing the work thus far. Following this, the earned value (EV) must be determined, which reflects the value of work actually performed against the planned budget. With these figures at hand, project managers can apply the EAC-C formula to estimate the project's financial outcome.

The process typically involves the following steps:

  1. Calculate Actual Cost (AC)
  2. Calculate Earned Value (EV)
  3. Assess the project's current cost and schedule performance
  4. Apply the EAC-C formula to forecast the total cost at completion

By employing EAC-C, project managers can adjust their forecasts and strategies to ensure that the project remains on track financially. It is a projection of the total cost a project is expected to incur upon completion, providing invaluable insights for decision-making.

Adjusting Project Forecasts and Performance Analysis

Upon integrating cost and schedule performance data, it becomes imperative to review and adjust the project plan as necessary. This iterative process ensures that the plan remains aligned with the current project realities and strategic objectives. Adjustments may involve revisiting the scope, schedule, or budget, and assessing the impact of these changes on the overall project trajectory.

Key steps in this process include:

This phase is crucial for maintaining control over the project and for making informed decisions. It is a practise exemplified by industry leaders such as Network Rail, which is implementing NEC4 in CP7 projects to enhance flexibility, user-friendliness, efficiency, and risk reduction in the rail sector.

Implementing Corrective Actions in Earned Value Management

Identifying Variances and Documenting Them

In the realm of Earned Value Management, the identification and documentation of variances are pivotal for maintaining control over a project's trajectory. Variance analysis is a critical tool that highlights discrepancies between the project's planned baseline and its actual performance. This process not only uncovers areas that require attention but also flags potential risks and opportunities for refinement.

To effectively monitor variances, one must focus on key parameters such as Schedule Variance (SV) and Cost Variance (CV). SV assesses the difference between the work planned and the work actually completed at a given point, while CV determines how much over or under budget the project is by measuring the difference between the earned value and the actual cost. These metrics serve as indicators of project health and are essential for informed decision-making.

Documenting and communicating these variances is equally important. A systematic approach should be adopted to ensure that all stakeholders are aware of the project's status. This documentation should be clear, concise, and accessible, enabling the project team to swiftly move towards corrective actions when necessary. The following steps outline the process:

  1. Calculate SV and CV to identify variances.
  2. Set thresholds or benchmarks to interpret the results.
  3. Document the findings in a structured format.
  4. Communicate the variances to all relevant stakeholders.

By adhering to these steps, project managers can ensure that variances are not only identified but also addressed in a timely and effective manner, thus supporting decision-making and the implementation of corrective actions.

Determining and Approving Corrective Actions

Once variances have been identified and documented, the next critical step is to determine the most appropriate corrective actions. This involves a thorough analysis of the project's current state against the established baselines and deciding on the best course of action to realign the project with its objectives. The process typically includes:

Approval of corrective actions is a pivotal moment in project management. It requires clear communication with stakeholders and obtaining the necessary support to implement changes. The approval process may involve:

Effective corrective actions are instrumental in steering a project back on course. They support decision-making and ensure that the project team can monitor and analyse the earned value (EV) metrics to maintain control over the project's trajectory. Communicating EVM results effectively to stakeholders is crucial for transparency and fostering a collaborative environment for project success.

Reviewing and Adjusting the Project Plan

Upon the implementation of corrective actions, it is imperative to review and adjust the project plan to ensure it aligns with the current project trajectory. This iterative process is not merely about making changes; it's about maintaining the plan's relevance and accuracy in reflecting the project's evolving landscape.

Key considerations when revising the project plan include:

Approval of the adjusted project plan is a critical step, signifying consensus and commitment to the updated course of action. This formal endorsement paves the way for documenting changes and updating project progress, thereby facilitating transparent and collaborative decision-making. The ultimate goal is to steer the project back on course, optimising performance and outcomes.

Enhancing Project Management with Earned Value Analysis Tools

Leveraging Templates for Effective EVM

In the realm of Earned Value Management (EVM), templates serve as a cornerstone for streamlining project management processes. Templates provide a structured approach to planning, tracking, and analysing project performance, ensuring consistency and accuracy across the board. By utilising a well-designed Earned Value Analysis Template, project managers can effectively:

These steps, when followed diligently, lead to enhanced cost control and performance analysis. Moreover, templates facilitate the documentation of variances and the calculation of Actual Cost (AC), which are pivotal in assessing project health. Embracing templates within EVM not only saves time but also allows for a more granular control of workflows, enabling project managers to take control of their workflows and drive their projects towards successful completion.

Documenting Changes and Updating Project Progress

In the dynamic landscape of project management, documenting changes and updating project progress are critical for maintaining a platform for predictable project delivery. This process ensures that all project participants are aligned with the latest developments and that the project remains on track.

To effectively document changes, one must:

Updating project progress involves:

By embracing these practises, project managers can foster a collaborative contract management environment, where transparency and communication are paramount. This approach not only aids in streamlined cost management but also serves as a support system for improved project performance and productivity.

Continuous Improvement through EVM Feedback Loops

The journey of project management is one of perpetual refinement and enhancement. Earned Value Management (EVM) serves as a compass, guiding project teams through the complexities of cost and schedule control. By embracing the feedback loops inherent in EVM, teams can systematically identify areas for improvement and implement changes that lead to more predictable and successful outcomes.

Key to this process is the integration of real-time data analysis, which allows for a more dynamic and responsive approach to project management. Collaborative contracting, facilitated by tools such as Shift Records, ensures transparency and streamlines communication, making it easier to adapt to project shifts and maintain alignment with project goals. The benefits of such a system are clear, with testimonials often highlighting significant time and cost savings.

Continuous improvement in EVM is not a one-time event but a strategic commitment to excellence. By regularly reviewing project performance data, engaging in cost-benefit analysis, and refining processes based on insights gained, project teams can foster a culture of excellence that resonates through every aspect of their work.

Conclusion

In conclusion, the concept of Estimate at Completion with Combined Performance (EAC-C) within Earned Value Management (EVM) offers a robust framework for project managers to forecast the final project costs, incorporating both cost and schedule performance factors. By understanding and applying the key EVM elements such as Earned Value (EV), Planned Value (PV), Actual Cost (AC), and Budget at Completion (BAC), project managers can effectively track progress, identify variances, and implement corrective actions to steer projects towards successful completion. The insights provided by EAC-C are invaluable for enhancing project performance and achieving better cost and schedule control. It is our hope that this article has illuminated the intricacies of EAC-C and underscored its significance in the realm of project management.

Frequently Asked Questions

What is Earned Value Management (EVM)?

Earned Value Management (EVM) is a project management technique used for measuring project performance and progress in an objective manner. It integrates project scope, cost, and schedule measures to help the project management team assess and quantify project performance and progress.

What are the key elements of EVM?

The key elements of EVM include Planned Value (PV), which represents the authorised budget allocated for the planned work; Earned Value (EV), which signifies the value of work completed; Actual Cost (AC), reflecting the total cost incurred; and Budget at Completion (BAC), referring to the estimated total cost for the project.

How is Earned Value (EV) calculated?

Earned Value (EV) is calculated based on the actual progress of the project. It represents the estimated value of the work actually performed and is derived from the project's progress against the baseline plan.

What is Estimate at Completion with Combined Performance (EAC-C)?

Estimate at Completion with Combined Performance (EAC-C) is a forecasting method used in EVM that integrates both cost and schedule performance to predict the total cost of the project at completion. It takes into account the actual project performance and adjusts the original budget estimate accordingly.

What is the purpose of variance analysis in EVM?

Variance analysis in EVM is used to identify differences between planned and actual performance. It involves calculating Schedule Variance (SV) and Cost Variance (CV), as well as performance indices such as Cost Performance Index (CPI) and Schedule Performance Index (SPI), to assess the efficiency and effectiveness of the project management.

How can EVM analysis be enhanced using tools?

EVM analysis can be enhanced using various tools and templates that facilitate effective planning, tracking, cost control, and performance analysis. These tools help define project scope, establish baselines, calculate key EVM metrics, and document changes, ensuring continuous improvement through feedback loops.

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