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张群华,江苏瑞德基建工程有限公司总经理,长期以来一直从事土石方施工。2014年年初,张群华从雷沃旋挖钻机厂商处租赁了1台雷沃FR628D型旋挖钻机,承揽了宁夏银川兵沟跨黄河高速大桥部分基础桩工程。银川兵沟的跨黄河高速大桥基础桩工程,桩深86m,桩径1.8m,工程量7000延米,地质为黏土、河沙和泥岩的混合结构。因施工难度大、工期紧。为保证施工进度、确保工程按期完工,承建方要求各施工单位必须确保施工
Zhang Qunhua, general manager of Jiangsu Ruide Infrastructure Engineering Co., Ltd., has long been engaged in earthwork construction. At the beginning of 2014, Zhang Qunhua leased a Lovol FR628D rotary drilling rig from Revo Rotary Drilling Rig contractors to undertake some foundation piles of Yinchuan Binggou spanning the Yellow River Expressway in Ningxia. Yinchuan Binggou cross-Yellow River Expressway Bridge foundation pile project, pile depth 86m, pile diameter 1.8m, the project volume of 7,000 delay meters, geological clay, river sand and mudstone mixed structure. Due to the difficulty of construction, tight schedule. To ensure the progress of the construction and ensure the completion of the project on schedule, the contractor requires the construction units to ensure that the construction