市政人行道浇筑前模板标高偏差怎么现场纠正

今天市政人行道准备浇筑前,质检用激光水平仪复测,发现一段模板标高比设计低了将近 3/4 inch。混凝土车已经排队,现场有人想先浇了再说,但这种坡度错了后面排水和 ADA cross slope 都会被卡。 我先让车等在 staging area,叫测量员用 benchmark 重新复核,不只看一个 grade stake。结果发现前一天回填压实时有一根桩被碰歪,模板班按错点拉线。我们把那 30 多 feet 的模板重新调高,复测 cross slope 和 longitudinal slope,照片和读数写进 daily report,再通知 inspector 过来确认。 工程施工现场越赶越要守住 hold point。我的建议是,浇筑前别省模板标高、坡度、伸缩缝位置这几项复核;如果发现偏差,先把证据和纠正过程留好,比浇完再切割返工省太多时间。

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