1. Before loading the commercial concrete mixer, the remaining commercial concrete blocks in the mixer shall be removed, and the tank wall shall be wetted with water and then the clear water shall be drained.

2、出站前，核实所携带的送货单与混凝土搅拌车内商品混凝土强度、车内悬挂标识一致。

2. Before leaving the station, verify that the delivery note carried is consistent with the strength of commercial concrete in the concrete mixer and the signs hung in the truck.

3、商品混凝土在运输过程中，拌筒应低速转动（3～6r/min），商品混凝土搅拌车的重车行驶速度快不得超过50km/h。

3. During the transportation of commercial concrete, the mixing drum shall rotate at a low speed (3-6r / min), and the maximum traveling speed of the heavy truck of commercial concrete mixer shall not exceed 50km / h.

4、到达目的地后，应核对 0内商品混凝土强度标识与需要浇筑部位要求是否一致。

4. After arriving at the destination, check whether the strength identification of commercial concrete within 0 is consistent with the requirements of the parts to be poured.

5、卸料前，拌筒应高速转动30秒，然后反转出料，如罐内商品混凝土出现沉淀或坍落度损失过大而不宜泵送时，应对其进行调整并高速转动3分钟后方可出料。

5. Before unloading, the mixing drum shall rotate at high speed for 30 seconds, and then reverse discharging. If the commercial concrete in the tank has too much sedimentation or slump loss and is not suitable for pumping, it shall be adjusted and rotated at high speed for 3 minutes before discharging.

6、驾驶员不得在途中、现场向车中加水，不得在途中无故停留或吃饭（特别是夜间）。

6. The driver shall not add water to the vehicle on the way or on the site, and shall not stop or eat (especially at night) without reason on the way.

7、若运输商品混凝土的车辆发生故障，应主动联系商混站调动其它车辆予以补充，以保证建筑工地商品混凝土的连续供应。

7. In case of failure of vehicles transporting commercial concrete, the commercial concrete station shall be actively contacted to mobilize other vehicles to supplement, so as to ensure the continuous supply of commercial concrete at the construction site.

8、若运输过程中遇交通堵塞，无法保证商品混凝土的及时供应，应立即电话通知后续车辆改变运输路线，以保证建筑工地商品混凝土的连续供应。

8. In case of traffic jam during transportation, the timely supply of commercial concrete cannot be guaranteed, the subsequent vehicles shall be informed immediately by telephone to change the transportation route, so as to ensure the continuous supply of commercial concrete at the construction site.