L68B3 Mast SectionSafety precautions during tower crane lifting operation
Tower Crane Lifting Operation Safety Precautions 1 in order to group Tower Construction Safety, group Tower Crane Lifting shall be under unified command Jack-up operation to be through the project department of Yang Lixin, Yu Baolan, Li Ping, the original four people signed approval, by Yang Lixin Command jack-up Check whether the hydraulic oil and hydraulic system is clean, no dust, powder, metal debris and other impurities The maximum value of the hydraulic pressure gauge shall not exceed the allowable value 4 check the clearance between the roller and the tower before jacking up, then relax the cable, its length is slightly larger than the height of jacking up 5 lift operation must have a dedicated command, non-operational personnel shall not on the tower crane. 6 when lifting, must maintain a balanced state, strictly prohibited turning At the end of the jack-up, the bolt must be lowered to the original position and fixed 8 when the WIND FORCE IS ABOVE GRADE 4, no lifting work shall be carried out.
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