Laser scanning is a relatively new technology, having been used as a precise survey instrument only since 1998. Now, it is quickly becoming the new industry standard as a way to make very accurate measurements in complicated environments. We have used our scanner with superior results when collecting data in areas such as roadways where safety and access are of concern. This is precisely why using this technology is the best solution for measuring as-built conditions. This instrument collects survey data points at a rate of 50,000 points per second. lt has an effective range of 400′ to 500′. With several “scan” setups inside a room or of a building, a complete 3-D model can be made of the existing conditions. These models are then used to create 2-D civil or architectural drawings, 3-D computer models, and ﬁnal survey documents.