The Buildings Department issued Tutor Perini Corporation a $25,000 Class 1 violation on August 25 for failing to safeguard persons and property affected by construction operations at a Boerum Hill site in Brooklyn — recorded at the block bordered by Atlantic Avenue and Boerum Place.

The violation text is specific: inspectors observed Monokote fireproofing debris on the roof and second-floor patio of the adjacent property at 53 Boerum Place. Debris originating from the construction site migrated beyond the site, the record states.

Spray-applied fireproofing leaving a site and landing on an occupied neighbor is the kind of containment failure that turns into more than one agency's problem. The $25,000 penalty is among the largest single construction violations issued citywide in the last two weeks of August — one of only ten at that amount — and the only one in the window against a national top-tier contractor.

The violation is active and headed to a hearing, where the charge will be resolved. For the trades doing spray work anywhere near an occupied property line: the record here is what an inspection reads like when the tarps and negative-air discipline slip.