Before construction, the safety and

Before construction, the safety and mechanical performance of the mechanical equipment must be fully checked. The mortar mixing machine must strictly comply with the technical code for safety in the use of construction machinery (jgj33). Maintenance of mechanical equipment needs to be strengthened, and mechanical operators need to have relevant certificates. Strictly implement the relevant provisions in the technical code jgj46 on the safety of temporary use of electricity at the site, ensure the normal operation of various power devices, and do not pull wires at will.