VBBL - What does VBBL stand for? The Free Dictionary
References in periodicals archive
The project was governed by the Vancouver Building By-Laws (VBBL), which require that certain building types, including this one, comply with resilient, "post-disaster" standards.
The VBBL and Canadian Standards Association (CSA) each mandate that compartments adjacent to the event compartment remain smoke free for a period of two hours.