Study guide
11.1 ANSI/EIA-748 EVM Framework & Core Metrics (PV, EV, AC)
AACE Certified Cost Professional CCP
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1 Chapter 1: Introduction & Total Cost Management (TCM) Framework
1.1 AACE CCP Exam Structure, Eligibility & the In-Exam Memo 1.2 The Total Cost Management (TCM) Framework & PDCA Cycle 1.3 Strategic Asset Management vs. Project Control Processes
2 Chapter 2: Cost Estimating Fundamentals & Classification
2.1 AACE Recommended Practice 18R-97 Estimate Classification System 2.2 Direct vs. Indirect Costs and Cost Element Breakdown 2.3 Quantity Takeoff, Standard Cost Databases & Pricing Sources
3 Chapter 3: Conceptual & Parametric Estimating Techniques
3.1 Capacity Factoring & the Six-Tenths Rule 3.2 Parametric Estimating, Lang Factors & Hand Factors 3.3 Cost Indices, Location Adjustments & Escalation Modeling
4 Chapter 4: Cost Engineering Economics & Time Value of Money
4.1 Simple & Compound Interest, Equivalence & Cash Flow Diagrams 4.2 Discrete Compounding Formulas & Uniform Series Factors 4.3 Nominal vs. Effective Interest Rates & Continuous Compounding
5 Chapter 5: Project Profitability & Capital Investment Decision-Making
5.1 Net Present Value (NPV) & Present Worth Analysis 5.2 Internal Rate of Return (IRR) & Incremental IRR Analysis 5.3 Payback Period, Benefit-Cost Ratio (BCR) & Breakeven Analysis
6 Chapter 6: Depreciation Methods, Taxes & Asset Valuation
6.1 Classical Depreciation Methods (Straight-Line, DDB, Sum-of-Years-Digits) 6.2 Modified Accelerated Cost Recovery System (MACRS) & Tax Shield 6.3 After-Tax Cash Flow Analysis & Asset Replacement Economics
7 Chapter 7: Project Scope, Work Breakdown Structure (WBS) & Baselines
7.1 Work Breakdown Structure (WBS) Principles & the 100% Rule 7.2 Organizational Breakdown Structure (OBS) & Control Accounts 7.3 Establishing the Performance Measurement Baseline (PMB)
8 Chapter 8: Critical Path Method (CPM) Planning & Scheduling Logic
8.1 Precedence Diagramming Method (PDM) & Dependency Relationships 8.2 Forward Pass, Backward Pass & Float Calculations (Total vs. Free Float) 8.3 Schedule Baseline Development, Calendar Constraints & Milestones
9 Chapter 9: Schedule Optimization, Compression & Probabilistic PERT
9.1 Schedule Crashing & Least-Cost Slope Optimization 9.2 Fast-Tracking Risks, Overlap Analysis & Execution Strategies 9.3 PERT Three-Point Estimating & Probabilistic Duration Variance
10 Chapter 10: Resource Management, Productivity & Learning Curves
10.1 Resource Loading, Leveling vs. Resource Smoothing 10.2 Labor Productivity Factors, Work Sampling & Efficiency Loss 10.3 Learning Curve Theory (Wright Cumulative vs. Crawford Unit Models)
11 Chapter 11: Earned Value Management (EVM) Core Principles & Metrics
11.1 ANSI/EIA-748 EVM Framework & Core Metrics (PV, EV, AC) 11.2 EVM Variances & Performance Indices (CV, SV, CPI, SPI) 11.3 Work Progress Measurement Techniques (0/100, 50/50, Milestone Weighting)
12 Chapter 12: EVM Forecasting, Indices & Baseline Change Control
12.1 Estimate at Completion (EAC) & Estimate to Complete (ETC) Formulas 12.2 To-Complete Performance Index (TCPI) & Variance at Completion (VAC) 12.3 Integrated Change Control, Baseline Revisions & Trend Management
13 Chapter 13: Risk Management Planning & Qualitative Risk Analysis
13.1 Risk Management Framework & Risk Breakdown Structure (RBS) 13.2 Qualitative Risk Assessment & Probability-Impact (P-I) Matrix 13.3 Risk Response Strategies & Threat/Opportunity Management
14 Chapter 14: Quantitative Risk Analysis, Monte Carlo & Contingency Estimating
14.1 Expected Monetary Value (EMV) & Decision Tree Analysis 14.2 Monte Carlo Simulation & Probability Distributions in Cost/Schedule 14.3 Contingency Estimating & AACE Recommended Practice 40R-08
15 Chapter 15: Contract Types, Procurement Strategy & Commercial Terms
15.1 Contract Types & Risk Allocation (Firm Fixed Price, Cost-Plus, T&M) 15.2 Project Delivery Systems & Procurement Lifecycle (DBB, DB, EPC, CMAR) 15.3 Commercial Terms, Bonds, Retainage & Claims Management
16 Chapter 16: Quality Management, Value Engineering & Technical Communication
16.1 Quality Management & Cost of Quality (CoQ) 16.2 Value Engineering, Function Analysis System Technique (FAST) & Life Cycle Costing 16.3 The CCP Memo, Cost Report Writing, Data Presentation & AACE Ethics 16.4 AACE CCP Capstone Review & High-Yield Exam Strategies
17 Chapter 17: Cost Accounting, Budget Administration & Cost System Governance
17.1 Historical Cost Databases, Data Organization & Benchmarking 17.2 Committed Costs, Accruals, Work-in-Place & Invoice Validation 17.3 Budget Creation, Operating Budgets & Funding Requirement Forecasting 17.4 Cost System Governance, the Code of Accounts & Preserving Project Controls Data
18 Chapter 18: Estimate Preparation, Review & Cost Driver Analysis
18.1 ROM, Summary-Level and Detailed Estimates: Preparing and Reviewing 18.2 Verifying the Basis of Estimate & Analyzing Estimates 18.3 Cost Drivers, Change Order Impact & Resource Utilization Analysis
19 Chapter 19: Interfacing with Other Disciplines & Stakeholders
19.1 Coordinating with Internal Disciplines & Supporting Project Leadership 19.2 Communicating Cost Estimates and Cost/Schedule Key Performance Indicators 19.3 Supporting Tenders, Procurement, Audits, Field Verification & Recovery
20 Chapter 20: Cost Reporting, Dashboards & Profitability Analysis
20.1 Cost Reports, Performance Dashboards & the Reporting Cycle 20.2 Variance Reports & Explaining Project Financial Health 20.3 Profit Margin Analysis & Profitability Enhancement
21 Chapter 21: Cost Support to Scheduling & the CCP Exam Memo
21.1 Cost and Resource Loading Summaries from the Project Schedule 21.2 Translating Schedule Change into Cost Impact 21.3 Writing the CCP Exam Memo: A Worked Domain 7 Walkthrough
11.1 ANSI/EIA-748 EVM Framework & Core Metrics (PV, EV, AC)
Key Takeaways Explain This Topic AI
Earned Value Management (EVM) integrates project scope, schedule, and cost into a unified Performance Measurement Baseline (PMB) to objectively evaluate physical work progress rather than mere fund expenditure.
The ANSI/EIA-748 standard establishes 32 guidelines across 5 core process categories: Organization, Planning/Budgeting/Scheduling, Accounting Considerations, Analysis & Management Reports, and Revisions & Data Maintenance.
The three fundamental EVM foundation metrics are Planned Value (PV / BCWS), Earned Value (EV / BCWP), and Actual Cost (AC / ACWP), all quantified in monetary units or direct labor hours.
Budget at Completion (BAC) represents the total authorized Performance Measurement Baseline (PMB) budget; it equals the sum of all planned value across all work packages but strictly excludes Management Reserve (MR).
The Data Date (status date / time-now) establishes the strict temporal boundary dividing actual historical performance from future forecast work, requiring synchronized cost and schedule accounting cutoffs.
Last updated: August 2026
11.1 ANSI/EIA-748 EVM Framework & Core Metrics (PV, EV, AC)
Domain 4 of the May 2026 CCP blueprint — Conduct Performance Measurement/Analysis — is 17% of the exam, 20 questions , the third-largest domain. This section opens it with 4.B measure performance against the baseline and 4.C monitor performance against the baseline , and also carries Domain 1's 1.K monitor Budget-at-Completion (BAC) . Note that the blueprint separates measure from monitor : measuring is the periodic calculation at the data date, monitoring is the continuing comparison of that series against the baseline over time.
In capital project management and project controls, traditional cost accounting compares only two variables: budgeted expenditures versus actual expenditures . While this comparison indicates whether money is being spent faster or slower than anticipated, it fails to reveal what was actually accomplished for the money spent. A project may appear "under budget" simply because planned work has not yet been performed, masking severe schedule delays and future cost overruns.
To overcome this fundamental blind spot, Earned Value Management (EVM) introduces a third critical dimension: Earned Value (EV) —the objective quantification of physical work accomplished. Under the AACE International Total Cost Management (TCM) Framework and standard industry practice, EVM serves as the premier project control methodology for integrating scope, schedule, and resource allocation into a unified baseline.
1. Genesis & Evolution of the ANSI/EIA-748 Standard
EVM originated in the 1960s within the United States Department of Defense (DoD) as the Cost/Schedule Control Systems Criteria (C/SCSC) during the Minuteman missile development program. C/SCSC established 35 rigorous procedural standards to ensure defense contractors utilized sound internal management systems.
In 1998, the aerospace and defense industries collaborated with the American National Standards Institute (ANSI) and the Electronic Industries Alliance (EIA) to modernize and streamline C/SCSC into a commercially adaptable standard: ANSI/EIA-748 (Standard for Earned Value Management Systems) . Today, ANSI/EIA-748 (maintained by the National Defense Industrial Association - NDIA) defines 32 guidelines organized into five core functional categories. +-----------------------------------------------------------------------------+
- | THE 32 CRITERIA OF ANSI/EIA-748 (5 CATEGORIES) |
- | |
- | 1. ORGANIZATION (Guidelines 1 - 5) |
- | • Define project Work Breakdown Structure (WBS) down to Work Packages. |
- | • Establish Organizational Breakdown Structure (OBS). |
- | • Integrate WBS and OBS into Control Accounts (CAs) with assigned CAMs.|
- | |
- | 2. PLANNING, SCHEDULING & BUDGETING (Guidelines 6 - 15) |
- | • Establish integrated CPM schedule and identify physical milestones. |
- | • Establish the Performance Measurement Baseline (PMB) = Σ PV. |
- | • Identify Budget at Completion (BAC) and separate Management Reserve. |
- | • Assign objective work measurement methods to every Work Package. |
- | |
- | 3. ACCOUNTING CONSIDERATIONS (Guidelines 16 - 21) |
- | • Record direct and indirect actual costs (ACWP / AC) consistently. |
- | • Ensure cost accruals synchronize with physical work performed. |
- | • Summarize costs directly through the WBS without allocation bias. |
- | |
- | 4. ANALYSIS & MANAGEMENT REPORTS (Guidelines 22 - 27) |
- | • Compute Cost Variance (CV), Schedule Variance (SV), CPI, and SPI. |
- | • Analyze variance thresholds to identify root causes and impacts. |
- | • Calculate realistic Estimate at Completion (EAC) and ETC forecasts. |
- | |
- | 5. REVISIONS & DATA MAINTENANCE (Guidelines 28 - 32) |
- | • Implement formal baseline change control (prevent retroactivity). |
- | • Manage Authorized Unpriced Work (AUW) and baseline replanning. |
- +-----------------------------------------------------------------------------+
- The Control Account (CA) Architecture
The Control Account is the primary management control point where scope, budget, schedule, and actual performance are integrated and managed. It sits at the intersection of the Work Breakdown Structure (WBS) (what work will be done) and the Organizational Breakdown Structure (OBS) (who will do it). Every Control Account is led by a single responsible Control Account Manager (CAM) .
Control Accounts are further decomposed into:
Work Packages (WPs): Short-duration, discrete work elements with assigned budgets, specific start/finish dates, and objective progress measurement techniques.
Planning Packages (PPs): Future work within a control account that is not yet detailed enough for work package conversion. Planning packages contain scope, budget, and tentative schedule but no active progress measurement techniques.
2. The Three Fundamental EVM Metrics
EVM relies on three core data elements evaluated at any given point in time (the Data Date): +-----------------------------------------------------------------------------+
- | THE THREE CORE EVM FOUNDATION METRICS |
- | |
- | 1. PLANNED VALUE (PV) / BCWS |
- | • Budgeted Cost for Work Scheduled |
- | • PV = Authorized budget assigned to scheduled work up to the Data Date|
- | • Cumulative PV curve forms the Performance Measurement Baseline (PMB) |
- | |
- | 2. EARNED VALUE (EV) / BCWP |
- | • Budgeted Cost for Work Performed |
- | • EV = % Physical Complete × Budget at Completion (BAC_task) |
- | • The true objective metric of physical progress accomplished |
- | |
- | 3. ACTUAL COST (AC) / ACWP |
- | • Actual Cost of Work Performed |
- | • AC = Total direct and indirect expenditures incurred in executing |
- | the work that yielded the Earned Value (including accruals) |
- +-----------------------------------------------------------------------------+
- Mathematical Definitions & Units
All three core metrics must be expressed in identical, common units of measurement—typically monetary currency ($) or direct labor hours (work-hours) :
Planned Value ( P V PV P V ): P V = ∑ i = 1 n ( Planned % Complete i × B A C i ) PV = \sum_{i=1}^{n} (\text{Planned } \% \text{ Complete}_i \times BAC_i) P V = i = 1 ∑ n ( Planned % Complete i × B A C i )
Earned Value ( E V EV E V ): E V = ∑ i = 1 n ( Actual Physical % Complete i × B A C i ) EV = \sum_{i=1}^{n} (\text{Actual Physical } \% \text{ Complete}_i \times BAC_i) E V = i = 1 ∑ n ( Actual Physical % Complete i × B A C i )
Actual Cost ( A C AC A C ): A C = Direct Labor Costs + Direct Material Costs + Subcontract Costs + Allocated Indirects + Uninvoiced Accruals AC = \text{Direct Labor Costs} + \text{Direct Material Costs} + \text{Subcontract Costs} + \text{Allocated Indirects} + \text{Uninvoiced Accruals} A C = Direct Labor Costs + Direct Material Costs + Subcontract Costs + Allocated Indirects + Uninvoiced Accruals
Important
Earned Value is Valued at Baseline Rates: Earned Value ( E V EV E V ) is always calculated using the original budgeted unit rates or baseline budget ( B A C BAC B A C ) , never actual cost rates. This ensures that variances in productivity (schedule accomplishment) are completely decoupled from variances in labor wages or material unit prices.
3. Project Budget Architecture & Budget at Completion (BAC)
A fundamental requirement of ANSI/EIA-748 is establishing a clear, hierarchically structured budget architecture. Total project funding must be rigorously partitioned to maintain baseline integrity: +-----------------------------------------------------------------------------+
- | TOTAL ALLOCATED BUDGET (TAB) |
- | |
- | +----------------------------------------------------+----------------+ |
- | | PERFORMANCE MEASUREMENT BASELINE (PMB = BAC) | MANAGEMENT | |
- | | | RESERVE (MR) | |
- | | +-------------------------+--------------------+ | (Held by PM | |
- | | | CONTROL ACCOUNTS | UNDISTRIBUTED | | for unknown/ | |
- | | | +---------+---------+ | BUDGET (UB) | | unforeseen | |
- | | | | Work | Planning| | (Authorized, | | in-scope | |
- | | | | Packages| Packages| | unallocated | | risks) | |
- | | | | (WPs) | (PPs) | | to CAs) | | | |
- | +--+--+---------+---------+--+--------------------+--+----------------+ |
- +-----------------------------------------------------------------------------+
Key Budget Definitions:
Budget at Completion ( B A C BAC B A C ): The total authorized budget for all work scheduled across the entire project life cycle. B A C = ∑ P V terminal = Total PMB Budget BAC = \sum PV_{\text{terminal}} = \text{Total PMB Budget} B A C = ∑ P V terminal = Total PMB Budget .
Management Reserve ( M R MR MR ): An amount of the total contract budget held separately by the Project Manager for unforeseen, in-scope uncertainties and risk events. M R MR MR is NOT part of the Performance Measurement Baseline ( P M B PMB PMB ) , has no schedule, and has no planned value ( P V PV P V ). Once an approved risk event occurs, budget is formally transferred from M R MR MR into specific Control Accounts.
Undistributed Budget ( U B UB U B ): A temporary holding account for authorized scope changes that have been contractually approved but have not yet been distributed to specific Control Accounts.
Total Allocated Budget ( T A B TAB T A B ): T A B = P M B + M R = B A C + M R TAB = PMB + MR = BAC + MR T A B = PMB + MR = B A C + MR
4. The S-Curve Performance Tracking Framework
When time-phased planned value, earned value, and actual cost are plotted cumulatively against project calendar time, they form characteristic S-Curves . +-----------------------------------------------------------------------------+
- | THE CUMULATIVE EVM S-CURVE MODEL |
- | |
- | Cumulative Cost ($) |
- | ^ BAC |
- | | .-----[*] |
- | | .---' | |
- | | .---' | |
- | | .---' AC | |
- | | .---' .- - - - | |
- | | .---' .-' (Actual Cost) | |
- | | .---' .-' | |
- | | .---' .-' | |
- | | .---' .-' PV (Planned Baseline) | |
- | | .---' .-' | |
- | |.---' .-' EV (Earned Accomplishment) | |
- | | .-' | |
- | | .-' | |
- | +---------------+-----------------------------------------+-----> |
- | | |
- | Data Date Finish |
- | (Time-Now) Date |
- +-----------------------------------------------------------------------------+
Anatomy of the S-Curve:
Startup / Ramp-Up Phase (Concave Up): Slow initial expenditures during mobilization, engineering setup, and procurement submittals.
Peak Execution Phase (Linear Steep Slope): Maximum resource mobilization, mass craft labor deployment, major equipment deliveries, and peak installation velocity.
Closeout / Commissioning Phase (Concave Down): Tapering expenditures during punch list resolution, pre-commissioning, testing, and handover.
The Three Curves at the Data Date:
At the Data Date, plotting P V PV P V , E V EV E V , and A C AC A C allows instant visual diagnostics:
Vertical Gap Between E V EV E V and P V PV P V : Schedule Variance ( S V SV S V ). If E V EV E V is below P V PV P V , work is behind schedule.
Vertical Gap Between E V EV E V and A C AC A C : Cost Variance ( C V CV C V ). If A C AC A C is above E V EV E V , work is over budget.
Horizontal Distance Between E V EV E V and P V PV P V : Earned Schedule ( E S ES ES ). Shows the time difference between when the work was accomplished and when it was planned.
5. The Data Date Protocol & Accounting Synchronization
The Data Date (also termed Status Date , Time-Now , or As-Of Date ) is the defined calendar date up to which all historical project data (actual costs, actual progress, schedule completions) is reported, and from which all future forecasts and remaining baseline activities are projected.
The Golden Rule of EVMS Data Integrity:
Caution
Strict Accounting and Schedule Cutoff Synchronization: Actual costs ( A C AC A C ) and physical progress ( E V EV E V ) must be recorded up to the exact same calendar cutoff date. If progress is recorded through Day 30 but the accounting ledger only includes invoices approved through Day 15, the project will display a false favorable cost variance because work completed in the second half of the month has zero associated cost in the ledger.
To prevent accounting distortions, cost engineers must implement Accrual Accounting —estimating and booking unvouchered physical work performed, unpaid subcontractor invoices, and delivered materials into A C AC A C at the status date.