The Tangshan downtown river dredging work has been started
as a key construction project of the “Three-Year Action Plan for
the Whole Area Governance of Qingshui Runcheng”. The construction
personnel have tried to speed up the construction progress in order
to ensure the completion of the construction on time, and adopted
a thorough excavation method for the main urban area.They firstly
used silt curtains then used excavator. Nine river systems and some
rivers in the river steep river, such as Qinglong River and Ligezhuang
River were deposited in the past year to eliminate the endogenous
pollution of the river bottom mud.