Construction 101: What Are As Built Drawings?

What are as built drawings? Find out the answer to that question (and more!) in this comprehensive construction guide.

As built drawings
Frequently Asked Questions
What is the difference between as-built drawings and record drawings?

As-built drawings reflect the final version of a construction project, showing all modifications from the original design as they were actually built. Record drawings, on the other hand, are more formal documents prepared by a contractor or design professional after project completion, based on as-built drawings, field notes, and other records. Record drawings are often used for official documentation, while as-builts are more focused on capturing field changes in real-time. Both serve as a historical reference, but as-built drawings are typically updated throughout the construction process, while record drawings are prepared at the end.

How do as-built drawings affect the construction project lifecycle?

As-built drawings play a crucial role throughout the project lifecycle by providing an accurate record of any changes made during construction. They enable better communication between stakeholders, help identify discrepancies early, and ensure that the final construction aligns with project requirements. Additionally, as-built drawings are vital for future renovations, maintenance, or expansions, offering an exact visual representation of the structure, including all adjustments made during the project.

Why are as-built drawings important for facility management?

For facility managers, as-built drawings are a key resource for maintaining and managing a building effectively. They provide detailed documentation of the location of utilities, electrical systems, mechanical components, and other critical elements as they exist within the structure. This information is essential for planning maintenance, repairs, and upgrades without causing damage to hidden systems or disrupting operations, making facility management more efficient and cost-effective.

Can as-built drawings be created digitally, and what are the benefits?

Yes, as-built drawings can be created digitally, which has become more common due to advancements in construction technology. Digital as-builts, often developed using CAD or BIM software, allow for easy updating, sharing, and storage of information. The benefits of digital as-built drawings include real-time collaboration among stakeholders, improved accuracy in capturing changes, and streamlined access to information for maintenance or future renovations. They also enable the integration of 3D modeling for a comprehensive view of the construction project.

How do as-built drawings assist with building compliance and permits?

As-built drawings can be crucial in ensuring that a project complies with local building codes and permit requirements. Since they detail all changes made during construction, they help verify that all adjustments meet safety standards and legal guidelines. If an inspector needs to confirm compliance or assess potential issues, as-built drawings provide an accurate, updated record of the building’s structure and systems, which is necessary for obtaining permits, resolving disputes, and avoiding compliance penalties.