住宅屋面 truss 到场尺寸不符怎么处理才少返工

这周住宅项目屋面 truss 到场,吊装前木工发现一个 bearing point 和现场墙线差了大概 1.5 inch。供应商说按图纸做的,现场也说 framing 没问题,如果直接装,后面屋面线和 drywall 都可能跟着返工。 我先让 crew 停在 dry fit 阶段,不让他们为了赶进度硬改 truss。现场用 laser measure 复核墙线,再把 shop drawing、结构图和 anchor bolt 位置放一起比。最后发现设计变更后墙体位置更新了,但 truss 包用的是旧 revision。我们拍照记录,发 RFI 给 GC 和工程师,等到书面确认后只调整两榀,避免整批返厂。 住宅施工里,truss、window opening、stair rough opening 这些尺寸错了都很贵。建议同行到货别只数数量,先抽关键点位和 revision。现场能改不代表…

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