If you are looking for CAD drawing (.dwg) files or BIM objects you can find them at Pellerin Milnor's ARCAT page here (arcat.com).
Milnor also has some nicely organized resources on their site (milnor.com).
Finally, sizing machines to the amount of linens produced by hotels or nursing homes is something most distributors will do for free. We are certainly happy to do it for you. For example, knowing the room count and hotel brand we can tell you what size of machines you need to keep up with demand. This goes on to influence what type of room you need to build.