Field problem

Verify first

Verify before you commit. Cheap to catch now.

Old duct insulation looks unknown or possibly hazardous before I cut it

Stop before disturbing unknown insulation or residue. Treat renovation materials as suspect until your foreman/safety process verifies what it is.

Cutting, Holes, Penetrations & Field Fab 2nd Year YELLOW

Watch out

Check

Steps

Say this to your foreman

This existing duct insulation/material at [location] does not look like normal new wrap. Before I disturb it, do we need safety/hazmat verification?

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