The Building Code Discussions Group (BCDG) is a powerful online community that started in 1995 and accessed only by "Premium Members" (i.e. paid membership). Explaining, educating, interpreting and deciphering the complex building codes for the masses (novices and experts alike) is the goal here! If you build, design, inspect, plan check or deal with the building permit process- this is your place. International storehouse for 1000's of building code discussions and resources, emerging technologies and online collaboration. National participants/experts. Professionally maintained/updated daily. The #1 searchable source for building/construction, technical support and building/fire and accessibility/ADA codes learning. For additional information, please read the FAQ. For students, read this file before joining. To get started on the BCDG, choose from one of the available "Premium Membership" options listed below.