6 treatment procedures for unqualified raw materials in commercial concrete mixing plant _ Treatment of unqualified raw materials in commercial concrete mixing plant of mixing station manufacturers
1. When the quality index of raw materials does not meet the requirements of the internal control standard of the commercial concrete mixing station or the requirements of the procurement contract, the records should be made, and the material procurement department should be notified in time to isolate and mark the signs.
2. After receiving the notification of non-conformity, the material procurement department shall immediately notify the supplier and request that it be immediately rectified. If the situation is serious, the supplier shall be stopped.
3. For the unqualified raw materials that can be isolated, the materials procurement department and the laboratory and relevant personnel shall review and, depending on the degree of influence on the concrete products, make a concession to accept or reject the treatment, and report it to the technical person in charge for approval. The material procurement department informs the supplier.
4. If the non-conformity received by the concession is not directly put into production, the laboratory shall propose a plan for downgrading or using it with other qualified products to make its quality condition applied to the corresponding grade concrete production.
5. For material suppliers who have stopped supplying, the commercial concrete mixing plant should be required to rectify within the agreed time limit, and then allow it to be re-delivered when the requirements are met, and increase the sampling frequency of supply for a period of time. .
6. When the commercial concrete mixing station and the material supplier have objections to the inspection structure, at least two third-party inspection agencies may be jointly commissioned for re-inspection.
Zhengzhou Jinyu Construction Machinery Co., Ltd. Contact Phone Landline Free Phone Address: Li Kezhai, Fuyang City, Zhengzhou City Email: [email protected]
Homepage URL: http://
Http://news.chinawj.com.cn
Editor: (Hardware Business Network Information Center) http://news.chinawj.com.cn
wireless under cabinet lighting,led cabinet lighting, rechargeable under cabinet lights, under cupboard lights
Ningbo Le Monde Lighting Co.,Ltd , http://www.shineverlighting.com