Traditionally on the eve of the professional holiday – the Day of Engineering Workers – Kolomensky Zavod opens doors for all citizens and guests of Kolomna who would like to visit one of the country largest mechanical engineering enterprises.

Full-sized locomotive models located on the plant square attract the attention of visitors. The guests can look over the plant territory, visit production shops where excursions are organized for the visitors. On the same day a contest of professional skills of young workers takes place. Their colleagues, friends and relatives come to the plant to support them. On this day the museum of JSC “Kolomensky Zavod” implements excursion programs: all day long different groups of schoolchildren and students as well as all comers can get acquainted with 50-year old history of JSC “Kolomensky Zavod”.

The tradition of Open day started at Kolomensky Zavod in the 1980-s and was revived in the early 2000-s.