What is the most important purpose of an as-built survey?

The primary purpose of an as-built survey is to accurately locate all structures and improvements as they were constructed. This includes capturing the precise location of buildings, roads, utilities, and other features as they exist in reality, which may differ from the original design plans. This documentation is crucial for understanding the existing conditions of a site, which is fundamental for many subsequent tasks, including future planning, renovations, and maintenance.

Additionally, having a detailed account of where everything is situated allows engineers, architects, and land planners to make informed decisions regarding any future developments or modifications. Without an accurate as-built survey, there can be significant risks associated with project execution, as surprises regarding the placement of existing utilities or structures can lead to delays, increased costs, and potential safety hazards during construction or renovation. Thus, locating all structures and improvements is essential for ensuring effective project management and integrity throughout the lifecycle of a building or site.