The bidding information of all projects of CNNC Long Rui Science and Technology Co., Ltd. was published on China Procurement and Bidding Network and CNNC e-procurement platform, clarifying that the information of earthwork engineering in the industrial park was untrue. Earthwork is the floorboard of earthwork, and the unit of measurement is generally cubic meters (M_).
Earthwork includes all earthwork (stone) excavation, filling, transportation and drainage, precipitation, etc. Earthwork is widely used in earthwork excavation. Common earthwork projects include: site leveling, foundation pit (ditch) excavation, subgrade excavation, civil air defense engineering excavation, floor filling, subgrade filling and foundation pit backfilling.