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1962年,我们承担了包钢某地下通廊工程的施工任务。该通廊(以下简称乙通廊)埋设深度达14～20米。施工时,需挖土方5万立方米,降低水位6～12米,排水底面积达2800平方米,每小时的计算涌水量约800～1000立方米。这是一项大面积的深坑排水工程。对于大面积深坑降水,我们还是第一次遇到,缺乏施工经验。在党的正确领导下,我们从实际出发,
In 1962, we undertook the construction of an underground gallery project at Baotou Steel. The Corridor (hereinafter referred to as B Corridor) is buried to a depth of 14 to 20 meters. During construction, 50,000 cubic meters of earth shall be excavated, the water level shall be lowered by 6 to 12 meters, the drainage area shall be 2,800 square meters, and the calculated amount of water per hour shall be approximately 800 to 1,000 cubic meters. This is a large area of pit drainage. For the large area of deep pit precipitation, we encountered it for the first time and lacked construction experience. Under the correct leadership of the party, we proceed from reality.