Before you send a crew back to fix a cut/fill variance, check whether the problem is on site or in the data. This blog walks through coordinate mismatches, vertical drift, outdated designs, and checks made too late to trace the cause, then gives you a five-point checklist to validate the result before committing time and money to rework. The post Real variance or bad data? 4 causes of false cut/fill results to rule out first appeared first on Propeller .