Steamtrain Association Zürcher Oberland (DVZO) had to get new coal for their steamlocomotives, so a train run from Bauma to Zweidlen via Winterthur-Bülach with the former Bodensee-Toggenburg electric locomotive Be 4/4 15, a buffet car, a van and 3 freight cars for the coal. First leg was down the Töss valley near Saland.