OHBA’s Part 3 Top 5 List of OBC Changes to be Aware of Come January 2020:ġ. There are a number of other changes you should review as a part of the changes coming into effect January 1, 2020. – Projection of Masonry Veneer Beyond Supporting Membersīrief: Changes in the requirements for projection of masonry veneer resting on bearing support. – Structural Sufficiency of Glassīrief: New Part 9 prescriptive tables based on various 1-in-50 hourly wind pressures and building location.ĥ. – New Residential Fire Warning Systemsīrief: Addresses use and installation of residential fire warning systemsĤ. Three compliance paths are available, one of which uses an enhanced prescriptive method using existing STC ratings.ģ.
– Sound Transmissionīrief: Introduction of Apparent Sound Transmission Class rating (ASTC) to account for flanking sound transmission. – Supply, return, intake and exhaust openingsīrief: Minimum separation distances between exhaust and air intake openings must adhere to Table 6.2.3.12Ģ.
