糯扎渡水电站地下厂房开挖施工监理控制

糯扎渡水电站地下厂房是国内最大规模的地下厂房之一，工期紧、施工强度高。监理工程师根据现场情况，明确了开挖顺序、施工通道、通风、钻爆施工、特殊部位的开挖、支护质量等是监理机构质量控制的重点。通过开挖程序控制、钻爆施工方案审查、特殊区域施工的控制等工作，确保了工程进度、施工质量、施工安全目标的实现。对同类工程有借鉴参考作用。

Construction supervision for excavation of underground powerhouse of Nuozhadu Hydropower Station

The underground powerhouse of Nuozhadu Hydropower Station is one of the largest in China,which is characterized by tight construction period and high construction intensity.According to the conditions in the construction field,the supervising engineer make it clear that the excavation order,construction access,ventilation,drilling-blasting construction,excavation of special locations and supporting quality are key issues in the quality control of construction supervision.Through control of excavation process,review of explosion construction scheme,control of construction in special places,the construction progress,construction quality and construction safety are ensured.