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Multi crane machine lifting operation

Apr 20, 2020
When two or more crane machines are used to lift the one object, the wire rope should be kept vertical, and the lifting and running mechanism of each crane should be kept in sync;
The load on each crane machine shall not exceed its own rated lifting capacity;
If the above requirements are not met, the rated lifting capacity should be reduced to 80%, or it can lift the weight according to the actual situation checked by the chief engineer;
When lifting, the chief engineer should be present to guide.
single girder overhead crane