Howdy sfrr,
I hope one of these helps,VMD have a loco repair building on there site in the download section under scenery i think it is and the list i have here is for 04/06 so i hope one of them suits your project but just type these in and see what you think.
AC electric depot
Atelier locomotives
brick engine house
car repair shop
claremont engine house
cpr coach repair shop
diesel locomotive depot
diesel engine house 2trk
5 stall modern diesel shed
2 stall modern diesel shed
1 stall modern diesel shed
loco maintenance shed
lco shed
loco shed 2 track
loco shed 3 track
I hope one of these helps just not sure wether i got them in 04 or 06.
Cheers Mick.