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Tunnel Ovens

In the year 1969, the first fully mechanized tare-free flour storage warehouse launched operations at the 3rd Bakery. Transporting of flour from the mills in car tanks (bulk trailers) started. Different types of flour were stored in 16 containers, capacity of each – 32 tons.

Flour sifting, metal impurities removal, portions weighing, transporting from bulk trailers to storage tanks and after from the storage tanks to production bunkers, were fully mechanized.

Later on, the tare free flour storage warehouses were installed in remaining bakeries too. The modernization and renovations of machinery in all four bakeries was implemented.

In the year 1975, a new Vilniaus Duona bakery (the 5th Bakery) was built and launched in the capital’s current V. A. Graičiūno Street. Six mechanized bread and long loafs baking lines with tunnel ovens were installed. The maximum bakery’s productivity at the time reached 135 tons per day.

“The tunnel oven is a huge tunnel – 25 meters in length and 2.5 meters in width. A 2-meter wide metal net is rotating inside. It rides along the baking chamber and returns back. The top of the camera was heated. Bread loaves were laid out on the net through the entire tunnel. It took about 24 minutes for a long loaf to bake.”, – tells I. Šiaulys.

The Bakery at V.A. Graičiūno Street was constructed during the period of Cold War, so the location was especially relegated to an industrial district, the distance from the city center more than 15 km.

“The notion held, if the incident occurred and nuclear weapons were used, this bakery would be the last one of Vilniaus Duona, remaining in low destruction zone. In addition, this bakery was built according to a period bakery project typical to that, not adapted for baking our Lithuanian – scalded – bread. Thus, after bakery’s construction and launch, gradual reconstructions went on for several years.” – tells I. Šiaulys.