I’ve probably noted in the past that I’ll be using a couple of existing modules as a part of my new layout (once the basement is rebuilt). Those modules are built based on the Mid-Atlantic On30 Modules Spec, which I helped to develop.
This specification was developed over a two-year period and went through I-don’t-know-how-many iterations and variations, variously referred to as OCMods, OCUM and a probably a few others. Of the standard sets that came out of those often heated discussions, the Mid-Atlantic group specification has been adopted as the baseline standard for more On30 modular groups around the country than any other standard set. Continue reading
