A predefined observation or event that requires work to pause immediately until the condition is evaluated and authorization to continue is documented.

GlassRenu · Educational illustration
Meaning and boundaries
Stop-work does not always mean permanent refusal or replacement; it preserves control while new risk or uncertainty is assessed.
Why it matters in glass restoration
It prevents escalation when cracking, overheating, unexpected coating removal, movement, seal damage, unknown glazing, or unsafe access appears.
Related terms
References
- National Glass Association — GANA Glazing Manual, 2022 edition
Publisher’s original source - National Glass Association — Proper Procedures for Cleaning Architectural Glass Products
Publisher’s original source - National Glass Association — Construction Site Protection and Maintenance of Architectural Glass
Publisher’s original source - National Institute of Standards and Technology — Fractography of Ceramics and Glasses, 3rd edition
Publisher’s original source