Mixing equipment should be installed smoothly, there is zero protection grounding, maintenance personnel into the mixing tube, cut off the power lock switch boxes, hand care; Concrete mixing plants in the hopper rises, no one working under the hopper and walking, cleaning feeding pit when the hopper chain hanging buckle securely; hopper insurance-linked using normal; transmission parts are shielded solid operating platform.
(A) mixing machine concrete mix signage should be hung prominently in the operating room before, unified specifications. Signage production and installation ready mix concrete plant "safe and civilized railway construction project site sign" - Iron know 16 requirements. (2) identification card shall include design and construction of concrete mix, time, aggregate calculations and measured water content, the amount of each plate of various materials, slump and so on.
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