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水利水电工程施工中，通常需要开挖大量土石方，爆破则是最有效的施工方法之一。莲花水电站２条大断面引水隧洞与２座调压井共计开挖石方３０万ｍ３，均采用爆破技术，对于保证建筑物的施工质量，顺利实现１９９４年截流，以及提前２年发电的目标具有重大意义。
Water conservancy and hydropower project construction, usually need to excavate a large number of earth and rock, blasting is one of the most effective construction methods. Lianhua Hydropower Station 2 large cross-section of the diversion tunnel and two surge wells total excavation of stone 300,000 m3, are used blasting technology, to ensure the construction quality of the building, the successful closure of 1994, and 2 years ahead of schedule to generate electricity has Great significance.