Observe the site condition especially the south hidden creek area in any moment, arrange the dewatering and drainage according to the site actual condition and weather condition, ensure the successful construction.

• 随时观察现场情况；重点是场地南侧的暗浜区域；根据现场实际情况和天气条件安排降水和排水工作；保证压桩安全；顺利地施工.