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Protective Coatings Inspection & Test Plan

ITP for industrial protective coating systems on steel structures covering abrasive blast profile, environmental monitoring, multi-coat application, DFT verification and holiday testing per AS/NZS 2312.

15 checklist items
3 hold points
1 witness points
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Checklist Preview

Abrasive Blast Preparation

Requires sign-off
P/F
Blast cleanliness to specified standard (Sa 2.5)
Hold
P/F
Surface profile depth within range
#
Measured profile depth (μm)
P/F
Dust level per ISO 8502-3 within limits
P/F
Soluble salt test per ISO 8502-6 satisfactory

Environmental Monitoring

P/F
Ambient temperature within coating range
P/F
Steel temperature ≥ 3°C above dew point
P/F
Relative humidity ≤ 85% (or per spec)

Coating Application & DFT

Requires sign-off
P/F
Product type, colour and batch per specification
P/F
Wet film thickness checked during application
P/F
DFT per coat within specification range
Hold Witness
P/F
Stripe coat applied at edges, welds and fasteners
#
Total system DFT (μm)
P/F
Holiday (spark) test satisfactory
Hold
#
Adhesion pull-off test result (MPa)

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