September 2001
Bill Vossler
Laws, licenses and steam
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Tom Hal! says that the State of Minnesota Division of Boiler Inspection requires that all steam boilers and engines used at shows be operated by licensed steam traction engineers. Until 1980, this meant that one needed a Chief license, Grade 'A', which required five years full-time work experience with engines and high pressure boilers. In 1980, the Chief Boiler Inspector established the Steam Traction Engineer License. This license allowed qualified, tested engineers to operate steam traction engines and boilers at steam threshing type shows. This was not to be an occupational boiler license, and thus became known by boiler inspectors as a 'hobby' license, a term still used. Engineers holding the steam traction or 'hobby' license must complete training, have practical experience, and present a legal, signed affidavit before being allowed to take the state written exam. Upon passing the exam, the operator earns the Minnesota Steam Traction Engineer License.
All boilers used in hobby-type steam traction shows in Minnesota must have a current state Division of Boiler Inspection tag and certificate. The Division has been very cooperative in working with the Western Minnesota Steam Threshers' Engine Reunion, WMSTR, and the other shows to keep safety as the main concern.
All boilers are state inspected every other year, and hydro-tested every other inspection. Every boiler and engine operated in Minnesota must have a current certificate of inspection and be operated by a licensed engineer.
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