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Chapter 1

Chapter 1. Construction Documents. Construction Professionals • Working Drawings and Specifications • Prints • Drafting Methods. Construction professionals, such as architects and contractors, utilize working drawings and specifications to coordinate their efforts in building a structure.

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Chapter 1

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  1. Chapter 1 Construction Documents Construction Professionals • Working Drawings and Specifications • Prints • Drafting Methods

  2. Construction professionals, such as architects and contractors, utilize working drawings and specifications to coordinate their efforts in building a structure.

  3. Plot plans show the shape and size of the building lot and location and shape of the house. Floor plans show the shapes, sizes, and relationships of rooms.

  4. Floor plans show the shapes, sizes, and relationships of rooms.

  5. Elevations show the sizes and shapes of exterior walls, interior walls, and partitions.

  6. Sections show features revealed by a cutting plane.

  7. Details show special features of plans as elevation or section views.

  8. Title blocks include the sheet number, architect or design firm name, owner, and other pertinent information.

  9. Specifications include information such as the materials used in the construction and the responsibilities of those involved.

  10. Original drawings are produced using either conventional drafting or CAD. Working drawings are printed using a wide-format printer.

  11. LED printers use light-emitting diodes to project light onto a photoreceptive drum enabling fast production of detailed working drawings.

  12. Conventional drafting tools include T squares, triangles, scales, and pencils. Drafting instruments, such as dividers, may also be used to create drawings.

  13. The 30°-60° and 45° triangles are used to draw lines 15° apart.

  14. A compass is used to draw arcs and circles. Dividers are used to transfer measurements.

  15. Three types of scales are used to produce scaled drawings. The architect’s scale is typically used for building trades plans.

  16. Pencil leads range from extremely soft to exceptionally hard.

  17. CAD-generated plans have consistent line weights, symbols, and lettering.

  18. A CAD system includes a keyboard, central processing unit (CPU), monitor, and input devices.

  19. Wide-format LED printers are used to print working drawings. The printers may have an integrated scanner, stacker, or folder.

  20. Building information modeling (BIM) is used to recognize and resolve any inconsistencies or conflicts between various sets of drawings prior to the beginning of construction.

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