<p>Rework hides because it never shows up under its own name. It appears as extra hours, a second site visit, a rushed order or a change order, and the cause is a model change somebody did not see.</p> <p>The costs are lopsided. A clash caught in the model costs about $50. Found in the field, the same clash costs $5,000 to $50,000. Leave it unresolved and idle field labor can run $15K to $50K a week.</p> <p>Rework gets through for three reasons:</p> <ul><li>A change was made but not communicated to the people building from the old file.</li><li>An issue was raised in an email or a markup and never assigned.</li><li>Someone marked an item closed without proof.</li></ul> <p>BidLight addresses each one. Every export is versioned and compared element by element, issues pin to the element and the person who owns it, and an issue closes only with a screenshot, a tagged user and the model commit that fixed it.</p> <p>Spend the time at the model, where it costs the least.</p>