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Blueprint Letters

Letters commonly used to differentiate blueprint drawings.

Blueprint drawing letters

Blueprints are often differentiated by the letters

  • A - Architectural pages
  • E - Electrical pages
  • M - Mechanical pages
  • P - Plumbing pages
  • S - Structural pages

Architectural pages includes plans for building and surrounding areas.

Electrical plans shows the buildings electrical system.

Mechanical plans shows heating, air conditioning and process piping systems.

Plumbing plans shows the plumbing system.

Structural plans shows the structure of the building including concrete, masonry, wood framing, roof plans ....

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