11月15日上午，杭绍甬高速南阳隧道H基坑土方正式开挖。
H基坑作为南阳隧道第五个开挖的基坑，基坑长172m，宽36m，开挖深度12m，土方开挖量约7.6万方，该基坑涉地铁保护区施工，地铁盾构区间允许变形仅3mm，接下来将严格以地铁自动化监测数据指导施工。
杭绍甬一分部充分抓住施工黄金季，整合优势资源，集中力量，合理安排人力和机械等资源，为确保今年年底前实现既定目标，也为后续主体结构施工提供了更加坚实的质量与工期保障。
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