![]() ![]() ![]() For example, if you are completing electrical work, you might look for the mechanical, electrical and plumbing sections of the blueprints. Decide which drawings you need firstĭetermine which specific element you require for your work. Look for these notes written directly onto the drawings or attached in a separate document. Look for any information the architect or engineer may have included as additional context when reading the blueprints. Sometimes, specific blueprints include information about the building task at hand. ![]() You'll typically find the blueprint orientation near the plan legend. You'll also want to look for a compass symbol that establishes the drawings' orientation. Keep in mind that scale can change from page to page within the same set of prints, so it can be important to check this information on each new page you read. ![]() You will find the scale for a particular drawing on the same page as that drawing. For instance, 1/4 inch on a blueprint might represent one foot of the actual building. Each unit of measure on a blueprint represents a specific larger unit. Determine the scaleĪll blueprint drawings are drawn to scale. There are industry-standard symbols for specific types of projects, but some architects and construction companies use custom symbols. Some information is represented as symbols as well. Architectural renderings usually include abbreviations to conserve space on the page, so knowing these abbreviations is an important part of deciphering the blueprints. This is the explanation for decoding and understanding basic symbols in the drawings. The next most useful piece of information will be the key or legend. Read these items first to understand the scope of the building and any relevant information about the architect. Any changes made to the blueprints are listed in a revision block that's typically located in the title page. The page contains the plan index, a reference list of all the drawings contained in the set of blueprints. When you first examine a blueprint, the title and cover page will give you the preliminary information you need to make sense of the rest of the plans. If you want to read a set of blueprints, here are some steps you can use: 1. Related: Glossary of 64 Construction Terms and Definitions How to read blueprints The resulting plans can then be printed and mailed or sent electronically. The most common sizes of blueprints for new home construction are 18×24 inches or 24×36 inches.Īlthough you can create blueprints by hand using drafting tools, most architects and engineers use computer technology to create these images today. Depending on the project's scope and complexity, the plans can be larger or smaller. Blueprint basicsīlueprints are typically drawn on a ¼-inch scale, which means every quarter-inch on the plan equals 1 foot of actual length on the completed structure. It shows dimensions, materials, building methods and all other important details that a building crew needs to create the building according to the plan. Also known as a plan, it represents exactly how the carpenters, electricians, plumbers and other skilled professionals should construct parts of the building. What is a blueprint?Ī blueprint is a two-dimensional set of drawings, or visual representations, of how an architect wants a building to look. In this article, we explain what a blueprint is, its different types, how to read one and explore frequently asked questions about blueprints. Knowing how to interpret blueprints is vital for architects, engineers, designers, and construction professionals. They use blueprints, a two-dimensional project diagram, to keep everyone on track with how the finished product should look. The task of constructing a home or building calls on input from several professions. ![]()
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