First check whether the Yuncheng normal mixer

Mixing station staff are technically under the guidance of the laboratory work, shall be required in accordance with the laboratory to do, and to actively cooperate with the laboratory work, a good grasp of raw materials entering the hurdle: the approach of all the sand, stone frequency self-test chamber in addition, each mixing station Members of each car rewinding gravel material in the visual approach is abnormal, Stationary conacrete plant be notified to come and after laboratory confirmation consent before unloading, to eliminate substandard aggregate approach;  concrete mixing former staff first check whether Yuncheng normal blender to confirm normal operation can be carried out after the concrete mixing;  concrete mixing and staff must be strictly in accordance with the laboratory provides concrete construction for mixing ingredients alone, not free to change, if found, the first time for persuasion and education, and the second for a fine deal, stationary concrete batching plant; with the ratio adjustment, concrete mixing process due to material changes or other reasons. Mix needs to be adjusted, the staff should be timely notified laboratory, laboratory personnel according to the actual situation with the ratio adjustments. Mixing station staff mix has no right to be adjusted if it is found to be severely dealt with;different grades of concrete, cement used is not the same species, should be separated from mixing.