This concrete batching plant was previously running only in manual mode. Two operators were constantly required to continuously press push buttons and manually calculate the batch weights, which resulted in serious errors, increase in rejection due to operator error, and batch time in excess of 2-minutes. We provided complete automation and calibration service to client. After which user had to enter the mix type (A1/lean/rigid/A3/Pile/etc..) and the batch size (0-3m3), after that the plant operated automatically dispensing batches to TM (transit mixer) and provided report for each mixer at the end of batch. Batch time was reduced to 1minute/batch and weighing error reduced to under 1% of full scale. PC based HMI was used for logging, monitoring and control of plant. HMI software was designed on WinCC flexible.