(2) Proper flood control measures should be taken for the total access to the ditch, the Pingyukou, the drainage wellhead and the industrial site. (3) The mine should set up a drainage pumping station according to the design requirements and establish a drainage system. (4) For mines that are in danger of flooding, the power supply of the main drainage pumping station should be no less than two loops. (5) The protection devices for all drainage facilities and electromechanical equipment of the mine shall not be arbitrarily removed without the approval of the competent department. (6) Measures should be taken to prevent surface water from seeping into the weak structural surface of the slope rock mass or directly flushing the slope. (7) The well should have good anti-drainage facilities. (8) The dumping site should have reliable intercepting, flood control and drainage facilities; the bottom of the dumping site should discharge large blocks of water that are permeable to water to control the normal seepage of the dumping site. (9) The hydraulic dump should have sufficient capacity for adjustment and storage, and set up flood control facilities to prepare for flood control equipment. Gi Coil,Ppgi Coil,Galvanized Coil,Galvanized Steel Coil SHANDONG XINGHAN MATERIAL CORPORATION , https://www.xinghansteel.com
Main safety requirements for anti-drainage of open pit mines
(1) Anti-drainage mechanisms should be installed in open-pit mines.