Engineering Technology: steel construction machinery and equipment General Provisions

1, various types of construction machinery and steel construction used should be consistent with the current industry standard "construction machinery safety technology use" of the relevant provisions of JGJ33.
2, lifting machinery limit device should be installed and should be checked regularly.
3, the installation and removal of the tower crane should have special technical solutions.
4, the group tower crane operations should be taken to prevent the collision measures.
5, the crane should have a good grounding.
6, when the use of non-approved products of hoisting machinery must be designed to calculate and should be security checking.