Add Elevator guide rails is an alteration project

What's the category to increase the elevator guide rails quantity?

Q: Hello, may I ask that the original freight elevator with two rows of car guide rails is used. In order to increase the stability of the elevator car, I want to change the car to six of guide rails. Is this behavior am alteration or a repair? What procedures need to go through? After consulting the document of the General Administration of Market Supervision issued on January 28, 2019, "Notice of the General Administration of Market Supervision on Adjusting the" Classification Table of Elevator Construction Types "" , the "installation "," Reconstruction "," repair (including major repairs and general repairs) "and" maintenance "did not mention this situation.

Answer: According to your description, it should be a transformation. The reconstruction of an elevator must be carried out by the elevator manufacturing unit or by a unit authorized by it in accordance with this Law. The reconstruction construction unit shall notify the department in charge of special equipment safety supervision and management of the municipality or district-level municipal people's government in writing about the special equipment transformation to be carried out before construction. The transformation and construction unit shall apply to the inspection agency for supervision and inspection after the notification and before the commencement of construction.

Replying department: Special Equipment Safety Supervision Bureau
2019-09-24