1. we should read the relevant technology documents of gantry crane, installing drawings and relevant material earnestly before installing.ship building gantry crane

2. the technical director should do the technical disclosure before installing, presenting the specific installing technology and installing quality step.

3.the constructor should get technical training , and obtain the license to work.

4.installing machine and tools and construction preparation.

5. preparing for  the machine and tools and instrument fully before the equipment goes to the site.

6.the enter for truck crane and equipment  and the assembly site should keep free.

7.the paving of rails of overhead crane should conform to the requirement standard.