Steam Boilers for Thawing, Heating, or Power. i. Low Pressure - (Safety valve set to relieve the pressure at 15 pounds or under). A fireman's certificate is required to operate boilers of 75 to 100 horsepower. A fourth-class certificate is required for boilers rated over 100 h.p. but not exceeding 200 h.p.**
Appears in 4 contracts
Samples: Collective Agreement, Collective Agreement, Collective Agreement
