On the 9th, rescue workers drilled a hole in a huge rock downstream of the flood discharge channel which affected the flow velocity to prepare for placing explosives.
On the same day, PLA soldiers and officers of the People's Armed Police Hydropower Troops who participated in the Tangjiashan quake lake rescue work continued to allow flood discharge from Tangjiashan quake lake by means of blasting and mechanical operation. By the time this reporter finished this article, the flood discharge flow of Tangjiashan quake lake had reached 80.8 cubic meters per second.