今天旧房拆墙发现旧水管,装修改造怎么先稳住变更

今天一个厨房改造拆开墙后发现旧 galvanized pipe,原 scope 里没有更换。屋主当场担心预算失控,工人也想继续拆。我先让现场停在安全状态,拍清楚管线位置和腐蚀情况,再联系 plumber 给两个方案:局部转接和整段更换。之后把 change order 写清材料、人工、工期影响,让客户签字后再继续。经验是装修改造最怕现场发现问题后口头决定,后面容易争费用。建议同行遇到 hidden condition,先记录、报价、签字,再施工,不要为了赶进度把变更说得含糊。后来我们也把 hidden condition 写进合同补充说明,客户提前知道老房可能会有未知项,真遇到时沟通就不会像临时加价。

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