G : General sheets such as the cover sheet, the plan index, the title block, and plot plans.In order to keep blueprint sets organized, a standard set of letter codes is combined with page numbers to describe the objective of each drawing and its place in the set. Section views, like elevation views, are drawn on the vertical plane and duplicate the inside of a section of the building, revealing the location of insulation, wall studs, wiring, and other elements.īlueprints often come in sets, especially for large, complex structures.Elevation view blueprints are drawn on a vertical plane and are often used to show the appearance of the exterior of a building (some elevation views depict the interior building elements).Plan view drawings are what most people visualize when they think of building blueprints: a horizontal, bird’s-eye view of the building, with a plan, view drawing for each floor of the structure (including foundations, basements, and rooftops).Types of blueprint drawingsīlueprints come in three major varieties: plan view drawings, elevation view drawings, and section view drawings. Pay special attention to any architect notes you find, which may be written directly on drawings or included on a separate drawing page. Drawings include the scale of the blueprint, and an arrow indicating the orientation of the structure. In most cases, these symbols will follow an industry standard (see the blueprint lines section below), but sometimes architects use custom symbols which will be explained in the plan legend.Ĭhanges to the original blueprints may be listed in the title block, or in the top right corner of relevant blueprint drawings. The title block also includes the plan index, a handy reference guide listing all the drawings in the blueprint set, and the plan legend, which defines the blueprint symbols used in the drawings. To prepare for blueprint reading, take the following steps:īegin with the title block : The first sheet of a blueprint set is the title block, which includes basic information such as the project name, the drawing date, the architect's contact information, the construction company’s name, and any relevant government approval data. Drawing pages in blueprint sets are arranged in a predictable fashion, and blueprint symbols and lines have highly specific meanings. When learning how to read a blueprint, bear in mind that each follows a set of carefully thought out, logical steps. Usually, drawn up by architects, blueprints allow you to quickly check and identify different building elements and verify compliance with building codes How to read a blueprint What is a blueprint?Ī blueprint is a two-dimensional drawing (or more often, a set of drawings) that provides a visual representation of a building’s layout, dimensions, component placement, electrical wiring, and construction materials. And while blueprint symbols can look confusing and intimidating at first, they offer a logical approach that can be quickly mastered with an appropriate blueprint reading seminar. Accurate blueprint reading helps you identify the location of important building elements during renovations, rebuilding, or work on electrical and HVAC systems. Knowing how to read a blueprint is a valuable skill for anyone who works in construction, maintenance, or facilities management.
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