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Interactive demo

Defect snagging & handover

Photograph a snag on site; it is located in the building, classified, routed to the right trade, fixed with photo evidence, and verified — and a hard rule blocks handover while any safety-critical defect stays open.

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Who is using it

Site manager doing a pre-handover snagging walk on a new apartment. The same flow fits developers, general contractors and property managers.

What started the workflow

During the final walkthrough of Apartment 4B, the site manager photographs a defect near a living-room window.

  1. Site manager photographs a defectHuman

    One tap on site captures the snag with its photo, rather than a note scribbled on paper.

  2. Locate & classify from the photoAIAI confidence 71%

    The photo is placed in the project structure (building → floor → apartment → room) and a severity is suggested.

    • Location: Building A / Floor 2 / Apt 4B / Living room
    • Detected: exposed socket wiring near window
    • Suggested severity: Critical (safety)

    UncertainThe photo suggests exposed wiring → likely “critical”, but final severity is a human call.

  3. Inspector sets severityHuman

    A qualified person confirms or overrides the AI’s suggestion. The AI never decides safety on its own.

    Confirm the severity for “exposed socket wiring near window”.

  4. Assignment & handover rulesBusiness rule

    Critical electrical defects route to a qualified electrician, and a hard rule blocks handover while any critical defect is open.

    Deterministic checkDeterministic: trade routing by defect type + handover gate = zero open critical defects.

  5. Contractor task createdSystem

    The electrician receives a task carrying the photo, exact location, severity and a due date.

  6. Electrician fixes & uploads evidenceHuman

    The socket is made safe and an “after” photo is uploaded as resolution evidence.

  7. Inspector verifies the fixHuman

    The inspector checks the evidence before the defect can be closed.

    Does the evidence clearly show the defect is safely resolved?

  8. Handover gate re-checkedBusiness rule

    With no open critical defects remaining, the deterministic gate opens.

    Deterministic checkDeterministic: 0 open critical defects → handover unblocked.

  9. Handover pack updatedSystem

    Handover readiness is recalculated, the report and photo log are updated, and the owner is notified.