How To Read Construction Blueprints?

How do you read a blueprint scale?

Lay the proper scale next to the item on the drawing and take the measurement. The scale will translate for you. As an example, a 1/4 inch = 1 foot architect scale will have markings that increase by 1 foot every 1/4 inch; a 4 foot wall is represented by a 1-inch length, if measured with a conventional ruler.

What are the 6 types of construction drawings?

What Are the Six Types of Construction Drawings?

  • Plans.
  • Interior and exterior elevations.
  • Building and wall sections.
  • Interior and exterior details.
  • Schedules and room finishes.
  • Framing and utility plans.

What are the five parts of a blueprint?

A general engineering drawing can be divided into the following five major areas or parts.

  • Title block.
  • Grid system.
  • Revision block.
  • Notes and legends.
  • Engineering drawing (graphic portion)

What do symbols on blueprints mean?

Blueprint drawings—as applied to the building-construction industry—are generally used to show how a building, object, or system is to be constructed, implemented, modified, or repaired. One of the main functions of graphic symbols on construction drawings is to reference other drawings within the set.

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What does a 1/100 scale mean?

Ratio scales



If the scale of the plan is 1: 100, this means the real measurements are 100 times longer than they are on the plan. So 1 cm on the plan represents a real length of 100 cm (1 metre)

How do you calculate the scale?

To scale an object to a smaller size, you simply divide each dimension by the required scale factor. For example, if you would like to apply a scale factor of 1:6 and the length of the item is 60 cm, you simply divide 60 / 6 = 10 cm to get the new dimension.

How many types of construction drawings are there?

5 Types of Construction Drawings Used in Commercial Construction.

Who prepares construction drawings?

As-Built Drawings: As-Built Drawings are typically prepared by the contractor. They are more like interpolations done for construction purposes. On the original construction documents and drawings, the as-built changes are made by the contractor in red ink.

What are building drawings called?

The main purpose of construction drawings (also called plans, blueprints, or working drawings) is to show what is to be built, while the specifications focus on the materials, installation techniques, and quality standards.

What does R mean in blueprint?

The Feature is called out on the print as “R“, the customer insists this means “Full Radius”.

What are the three main parts of a blueprint?

Blueprints are documents that contain three major elements: the drawing, dimensions, and notes. The drawing illustrates the views of the part necessary to show its features. Together, the extension and dimension lines on the drawing indicate dimensions and specific tolerance information of each feature.

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What is the most important part of a blueprint?

One of the most important aspects of a blueprint is reading the specifications (or specs). They could include the project schedule, particular requirements for clean-up, or required material. Acquiring all project documents and specs will ensure the project is completed as planned.

What are blueprints called now?

The term blueprint continues to be used less formally to refer to any floor plan (and even less formally, any type of plan). Practicing engineers, architects, and drafters often call them “drawings” or “prints”.

What does PL mean on a drawing?

Answered 1 year ago. What does PL mean on a drawing? Parts list. A list, usually tabular and often on the drawing (if not accompanying the drawing on a separate sheet), listing the parts needed in an assembly, including subparts, standard parts, and hardware.

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