What Are Redlines in Construction?

February 29, 2024

Whether you’re an experienced construction professional or just getting started, understanding what are redlines in construction is essential for navigating complex projects. In this article, we’ll take a closer look at how they work, their importance on building construction projects, and how to navigate them effectively.

In the simplest terms, redlines are a way to mark up blueprints with changes or revisions that are made during the design process. They can be handwritten notes or digital drawings, but regardless of the medium, they’re a great way to quickly and clearly communicate changes to the project team.

By highlighting changes on a drawing, everyone involved in the construction project can make more informed decisions and improve communication. This helps reduce misunderstandings and miscommunications, which can often lead to mistakes that could cost the construction company thousands of dollars in rework costs.

Using redline drawing can also help to create an as built document, which is an official set of blueprints that shows the original plans with all of the changes that were made during the construction process. This is important because it allows the contractor to show these documents to the architect or engineer so that they can update the plans as needed.

The best thing about redline drawings is that they can be made throughout the entire construction process. This makes it much easier to reconcile all of the changes at the end of a project, which saves time and money for the contractor.

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