How to correct the template elevation deviation on site before pouring the municipal sidewalk

Today, before pouring the municipal sidewalk, the inspector used a laser level to re-measure and found that a section of the template was nearly 3/4 inch lower than the design height. The concrete trucks were already lined up, and some people on site wanted to pour the concrete first and deal with it later. However, if the slope is wrong, it will affect the drainage and ADA cross slope later. I…