An inspection and test plan (ITP) is the backbone of quality on a construction project. It sets out, activity by activity, what will be checked, how, by whom, against which standard and with what evidence. Done well, it means nobody has to guess whether work is ready to move on.
Done badly, it's a spreadsheet signed at the start of the job and never opened again.
What goes into an ITP
A useful ITP answers the same questions for every activity it covers:
- The activity: for example, rebar fixing for a ground floor slab, or pressure testing a pipework system.
- The acceptance criteria: the specification clause, drawing or standard the work is checked against.
- The inspection or test: a visual check, a measurement, a test certificate or a sample.
- Who is responsible: the contractor, subcontractor, consultant or client inspector at each step.
- The control point: whether the step is a hold point, a witness point or a review.
- The record: the checklist, test report or certificate that proves it was done.
Hold points and witness points
The difference matters, and it's where most disputes start.
- A hold point stops work. The next activity cannot start until the named party has inspected and released it. Pouring concrete before the reinforcement is released is the classic example.
- A witness point is notified, not waited for. The named party is invited to attend; if they don't, work can continue, but the notice and the outcome are recorded.
- A review point is a document check, such as reviewing a test certificate before materials are used.
Note: If your ITP marks everything as a hold point, nobody will respect any of them. Reserve hold points for the steps that are expensive or impossible to correct later.
Getting the ITP approved
An ITP is a contract document in practice, even when the contract doesn't call it one. Agree it with the client and consultant before the work it covers starts, and record who approved which version. When the scope or the method changes, revise the ITP rather than working around it.
Keeping the ITP alive on site
The ITP only earns its keep if the site uses it. That means:
- Raising inspection requests from the ITP itself, so every request is tied to the activity and control point it belongs to.
- Notifying the right inspector automatically, with the drawings and previous results attached.
- Recording the result against the control point: passed, passed with comments, or failed.
- Turning every failure into a non-conformance with an owner and a due date.
- Being able to show, for any area of the works, which control points are closed and which are still open.
Common mistakes
- Copying an ITP from the last job without checking it against this job's specification.
- No named inspector for a control point, so nobody knows who to call.
- Paper records that are signed on site and never filed, or filed where nobody can find them.
- Releasing hold points by phone with no record of who released them or when.
How Traklio helps
In Traklio the ITP is a live record. Inspection requests are raised from its control points, the right people are notified, hold points can't be released by the wrong person, and every result, photo and signature is kept against the activity it belongs to. At handover, the quality record for each area is already complete.
See how Traklio Assure works, or book a demo with your own ITPs.