The nappe lane in the east-south coaling face has too much water locally which will threaten the safe coaling of 150801 face that is the first one under the board of the nappe lane in Xinji Mine.

• 150801面是新集矿区推覆体夹片下开采的第一个工作面,由于南东翼采区推覆体夹片局部富水,推覆体夹片水将威胁150801面的安全回采;