Inspection and Test Plan (ITP) Awareness

An inspection and test plan defines every quality check required at each stage of the construction process.
ITPs identify hold points where work must stop for formal inspection before the next stage proceeds.
Witness points allow the client or engineer to attend and observe but do not stop the work if they cannot.
Each ITP entry specifies what is checked, the acceptance criteria, who inspects, and what records are required.
Proceeding past a hold point without the required inspection and sign-off is a serious non-conformance.
Common hold points include foundation checks, reinforcement inspections, and pre-pour formwork reviews.
The ITP links to the specification, drawings, and method statement for each element of work.
Records generated at each ITP stage form part of the quality handover documentation for the project.
ITPs are a contractual requirement on most construction projects and are audited by the client team.
ISO 9001 quality management systems require ITPs as part of the production planning process.

Prevent defects	ITPs catch defects before they are covered up by the next construction stage, avoiding costly rework and delays.
Contractual compliance	Failure to follow the ITP constitutes a contractual breach that can result in work rejection and financial claims.
Handover records	Complete ITP records demonstrate the work was built correctly and form essential handover documentation for the client.

Do

Don't

Review the ITP before starting each stage of work to know the requirements.
Stop work at hold points and request the required inspection before proceeding.
Give adequate notice to inspectors for hold point and witness point attendance.
Complete inspection records accurately with signatures, dates, and results.
Raise a non-conformance report if any inspection does not meet the acceptance criteria.
Keep ITP records organised and available for audit at all times during the project.
Brief the site team on upcoming hold points so they plan work accordingly.
Cross-reference the ITP with the specification and drawings for each activity.
Photograph key inspection stages as supporting evidence for the quality records.
Ensure subcontractors understand and follow the ITP requirements for their work packages.

DON'T proceed past a hold point without the required inspection and sign-off.
DON'T cover up work that has not been inspected at the specified ITP stage.
DON'T falsify inspection records or sign off work you have not actually checked.
DON'T ignore witness point notification requirements; give inspectors adequate notice.
DON'T treat the ITP as paperwork only; it drives real quality on site.
DON'T lose or misfile ITP records; they are essential for project handover.
DON'T allow subcontractors to bypass ITP hold points in their work packages.
DON'T accept work that fails the acceptance criteria without a non-conformance report.
DON'T wait until handover to organise ITP records; maintain them throughout the project.
DON'T assume the next trade will check your work; complete your ITP stages fully.

See also: Quality Hold and Witness Points | Non-Conformance Reporting

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