Class C. Moderate Service. In terms of numbers, most cranes are built to meet Class C service requirements. This service covers cranes that may be used in.
Crane Classification, Typical Installation, # Lifts per/hr. Heavy duty crane, 2 shift operation; 1 or 2 shift operation; Regular medium and heavy loads.
Class I locations are those in which flammable gases, flammable liquid–produced vapors, or combustible liquid–produced vapors are or may be present in the air
As applicable to top running bridge cranes, usually manufactured with tapers of 1 in 20, 1 in 25, or 1 in 16 and should almost always be installed with the
70 (Top. Running Bridge and Gantry Type Multiple Girder Electric Overhead Traveling. Cranes), there are six (6) different classifications of cranes, each
Loads may vary from no load to occasional full rated loads with two to five lifts per hour, averaging ten feet per lift. CLASS C (MODERATE SERVICE). This