Based on the peculiarity of deep exploiting in Xishimen Iron Mine, the principle and main affecting factors to select drainagescheme for deep exploiting are stated.
针对西石门铁矿深部开采的特点，论述了该矿山深部开采疏干方案选择的原则和主要影响因素。
2
It will form the basis of cost analysis to institute reasonable drainagescheme in tunnel construction, which also plays an important role in the engineering cost control of construction stage.
制订合理的隧道施工排水方案，是进行费用分析的基础，并在施工阶段的工程造价管理中有着重要的作用。
3
The hydrogeological condition and the original scheme on pumping are analyzed, and some new drainage methods are pointed out.