Mistake & recovery · #098

Using a laser level that is out of calibration and not verifying with a bubble level

3rd YearMeasuring & Layout

Self-leveling lasers drift over time. Verify your laser against a quality bubble level at the start of every job and after any drop or hard transport. A c…

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Self-leveling lasers drift over time. Verify your laser against a quality bubble level at the start of every job and after any drop or hard transport. A calibration error compounds across every measurement you make.

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Can you verify this before I keep going? I’m looking at: Using a laser level that is out of calibration and not verifying with a bubble level. What’s the approved correction for this job?

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Do not hide, force, cover, or “make it work” if this affects safety, access, airflow, rated assemblies, supports, equipment, or inspection. Stop and verify the approved correction.

Using a laser level that is out of calibration and not verifying with a bubble level

Safer field move

Ask Foreman

Do not

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