In order to ensure the normal construction cranes, hoists the existing construction position to the center of the chimney 2000mm-3000mm, crane paths -4000mm -1000mm elevation above sea level of the fill, compacting and laying steel plate.
In order to ensure the normal construction crane, construction crane current position to the center chimney 2000mm-3000mm, the cranes fill the path to -1000mm -4000mm level elevation, compaction and laying of steel.
In order to ensure the normal construction crane, crane existing construction location of mobile 2000mm-3000mm to the chimney in center, crane path filling by -4000mm elevation to the elevation of -1000mm, compaction and laying plate.