I decided to remodel my Engine shed making it longer and adding an office area on the side and a toilet out the back. I used a couple of Faller HO train shed models as inspiration.
009 by michaelozzie1, on Flickr
012 by michaelozzie1, on Flickr
The extra length inside allows for my NMBS class 77 locos to fit inside easily.
015 by michaelozzie1, on Flickr
The all important facilities for the workers out the back.
013 by michaelozzie1, on Flickr