Schedule Validator

Construction schedule quality scoring for Primavera P6, Microsoft Project and Asta Powerproject schedules. One Schedule Validation Score, DCMA+ checks, and a clear list of what to fix.

What Is Schedule Validator?

Schedule Validator is a web-based schedule quality tool for construction and engineering teams. It reads schedules built in Primavera P6, Microsoft Project and Asta Powerproject, runs them through a DCMA+ set of checks, and returns a single Schedule Validation Score along with the specific issues behind it: missing logic, open-ended activities, hard constraints, excessive float, out-of-sequence progress and more.

Instead of a reviewer’s opinion that a schedule “looks okay,” you get an objective score you can track on every update and defend to an owner, a claims consultant or legal. Projects Analytics provides Schedule Validator along with the scheduling expertise to act on what it finds.

Book a 15-minute demo and we will run one of your own schedules through it live.

Schedule Validator list of schedule updates, each with its Schedule Validation Score

Benefits of Schedule Validator

Reliability

By flagging missing logic, constraints, and invalid dates, it ensures the schedule accurately reflects what’s actually planned rather than hiding problems behind artificial dates or overrides.

Early risk identification

Metrics like near critical path percentage, negative float, and network hotspots act as early warning signals before delays cascade into major impacts.

As-built integrity

Out-of-sequence tracking ensures the schedule stays aligned with how work is actually progressing, which is essential for accurate delay analysis and future project planning.

Critical path accuracy

Hard constraints, tasks riding the data date, and out-of-sequence activities can all disguise the true critical path. Catching these gives project managers a clear picture of what genuinely drives the completion date.

Appropriate detail level

The average value per activity and duration checks ensure the schedule is broken down enough to be manageable and trackable. Too little detail means poor control; the tool recommends keeping individual tasks under $50K–$75K in value.

Key Features of Schedule Validator

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Missing Predecessor Logic

Tasks lacking a defined predecessor relationship

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Missing Successor Logic

Tasks with no defined successor relationship

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Open Finish

Tasks with no activity tied to their completion/finish

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Open Start

Tasks with no activity tied to their start

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Negative Lag

Successor activities starting before their predecessor finishes

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Percentage of Relationships with Positive Lag

Too many lag-based relationships with no assigned scope

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Finish-to-Start Relationships with Positive Lag

Unexplained time gaps between directly sequential tasks

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Percentage of SS and FF Relationships

Overuse of start-to-start and finish-to-finish relationship types

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Tasks Riding the Data Date

Tasks driven by the calculation date rather than logic

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Hard Constraints

Fixed-date constraints (FOOB, SOOB, FOOA, SOOA, ALAP) that obscure the critical path

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Soft Constraints

Arbitrary date constraints that override CPM logic

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Total Float Greater than 50% of Remaining Duration

Excessive float suggesting missing successors or logic gaps

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Average Value of Activities

High average cost per task indicating insufficient schedule detail

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Negative Float

Activities behind schedule relative to a constrained completion date

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Task Durations Greater than 12% of Project

Overly long tasks that are hard to monitor and control

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Invalid Dates (Future Actual Dates)

Actual start/finish dates set in the future that override schedule logic

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Critical Path Percentage

The proportion of tasks on the critical path

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Near Critical Path Percentage

Tasks with minimal float that could quickly become critical

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Number of Logic Ties

Average number of dependencies per task indicating schedule complexity

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Network Hotspots

Tasks with significantly more logic ties than average

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Out of Sequence

Activities performed differently from the planned schedule logic

Schedule Validator FAQ

What is Schedule Validator?

Schedule Validator is a web-based tool that scores construction schedules for quality and risk. It applies DCMA+ checks to schedules from Primavera P6, Microsoft Project and Asta Powerproject and produces a single Schedule Validation Score with the specific issues to fix.

How is Schedule Validator different from a DCMA 14-point check?

The DCMA 14-point assessment is a set of separate checks that are slow to run by hand and easy to apply inconsistently. Schedule Validator automates a DCMA+ set of checks on every schedule and combines them into one score, so every update is measured the same way.

Which scheduling tools does Schedule Validator work with?

Schedule Validator analyzes schedules created in Primavera P6, Microsoft Project and Asta Powerproject.

How do I see Schedule Validator on my own schedule?

Book a 15-minute demo with Projects Analytics. Bring one of your current schedules and we will run the health check on it live.

Request a Free Consultation

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