Safety production responsibility system for team shotcrete workers?

First, master the performance of shotcrete machine, be familiar with the spraying process, and strictly implement the operation procedures. Second, check whether the section size and waistline of roadway meet the design requirements before work. Cables, pipes, air ducts and all kinds of equipment in the operation area should be protected and covered, and the spraying surface should be blown clean according to regulations. Three, before spraying concrete, check whether there is any air leakage, material leakage, sand pipeline air leakage, water leakage, spray gun, lighting, dust-proof facilities are in good condition and reliable. Four, the initial spray must knock help ask top, remove pumice and live stones, to ensure the safety of operation, the thickness and smoothness of re-spray should meet the design requirements, the surface is free of dry spots, flowing and shiny. Five, shotcrete machine operation should be tested first, found that the problem should be handled in time; Pay special attention to the adjustment of wind pressure and water distribution device when spraying concrete. Six, during normal operation, it is forbidden to aim at people, there can be no others around the nozzle, such as shotcrete machine failure, it is forbidden to live maintenance. Seven, homework personnel must wear dust masks, gloves, glasses, raincoats and other protective equipment. Eight, after the shotcrete, must wait for the protoplasm sprayed, according to the first power outage, then turn off the wind, finally turn off the water, and in accordance with the provisions, maintenance and storage of shotcrete machine.

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