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Autocad Standard Layer Names

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About Creating and Naming Layers. Products and versions covered. AutoCAD 2015, AutoCAD Architecture 2015, AutoCAD Civil 3D 2015, AutoCAD Electrical 2015, AutoCAD MEP 2015, AutoCAD Map 3D 2015, AutoCAD Mechanical 2015, AutoCAD P&ID 2015, AutoCAD Plant 3D 2015, AutoCAD Structural Detailing 2015, & AutoCAD Utility Design 2015. The layer names. The PBS CAD Standards set mandatory procedures for architects/ engineers (A/E's) to follow for the creation and delivery of all CAD drawings to GSA. It is important to note that the Standards require that A/E's must use the United States National CAD Standard® (NCS). It is the A/E’s responsibility to obtain a copy of the NCS.

CAD Standards are a set of guidelines for the way Computer-aided drafting (CAD), or (CADD) Computer Aided Design and Drawing, drawings should appear, to improve productivity and interchange of CAD documents between different offices and CAD programs, especially in architecture and engineering.

  • 1AEC (Architecture Engineering and Construction) standards
  • 2Mechanical CAD standards

AEC (Architecture Engineering and Construction) standards[edit]

CAD layer standards[edit]

Most common:

  • BS 1192, which relies heavily on the Code of Procedure for the Construction Industry
  • AIA Cad Layer Guidelines, 2nd edition (1997), has a great usage in the USA;
  • ISO 13567-1/3, International standard, common in Northern Europe;
  • AEC (UK), an adaptation of BS-1192 based on Uniclass.
  • A/E/C CAD Standard, Tri-service (USACE/Air Force/NAVFAC) CAD standard created/maintained by the CAD/BIM Technology Center for Facilities, Infrastructure, and Environment.][1]
  • SIA 2014 (1996), Swiss standard for engineers and architects, based on ISO 13567.
  • ÖNORM A 6240-4 (2012), Austrian standard for digital documentation in technical drawings, based on ISO 13567.

Samples of standardised layers:

A-B374--E- (ISO13567: agent Architect, element Roof window in SfB, presentation graphic element);
A-37420-T2N01B113B23pro (ISO13567: agent Architect, element Roof Window in SfB, presentation Text#2, New part, floor 01, block B1, phase 1, projection 3D, scale 1:5(B), work package 23 and user definition 'pro');
A-G25---D-R (ISO13567: agent Architect, element wall in Uniclass, presentation dimensions, status Existing to be removed);
A-G251-G-WallExtl-Fwd (AEC(UK): agent Architect, element External Wall in Uniclass, presentation graphic element, user definition 'WallExtl' and view Forward);
A210_M_ExtWall (BS1192: agent Architect, element External Wall in SfB, presentation model, user definition 'ExtWall');
A-E04---E- (ISO13567 SIA 2014: agent Architect, element Stair in SIA classification, presentation graphic element);
A-WALL-FULL (AIA: agent Architect, element Wall, Full height).

Line-thickness[edit]

Thickness for pens and plot: 0,13 mm Gray, 0,18 mm Red, 0,25 mm White, 0,35 mm Yellow, 0,50 mm Magenta, 0,70 mm Blue, 1,00 mm Green. In AutoCAD usually parts to be printed in black are drawn in 1 to 7 basic colors. Color layer: Green-Center, Magenta-Measure of length and Blue-Hidden.

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DescriptionLine thickness in mmColor Codes
Out Line0.20 or 0.25White, Cyan, Yellow,Blue
Hidden Line0.00 or 0.05Blue, Gray, 241
Center Line0.10 or 0.15Green, Red, Blue
Note0.18 or 0.20White, Cyan, Green, 41
Thin Line0.00 or 0.05Gray, 08, 111
Reference Line0.000Magenta, Gray
Hatch Line0.000Magenta, Green, Gray,red
Color-9 to 2560.000
Dimension line
Leader Line with Arrows0.000Gray Color-9,or 8, Red
Text0.18 or 0.20Cyan, Green,

Text and dimension[edit]

Heights: 2,5 mm, 3,5 mm, 5,0 mm, 7,0 mm (stroke thickness (lineweight) should be 0.1 of the character height).Font styles: 'Romans.shx - Romantic Simplex', 'ISOCPEUR.ttf'. Exceptional use of screen fonts (arial, Times New Roman etc.).

Scales[edit]

2:1, 20:1, 200:1 ..
1:1, 1:10, 1:100 ..
1:2, 1:20, 1:200 ..
1:5, 1:50,1:500 ..
1/16'= 1'-0', 1/8'=1'-0', 3/16'=1'-0', 1/4'=1'-0', 3/8'=1'-0', 1/2'=1'-0', 3/4'=1'-0', 1'=1'-0', 1 1/2'=1'-0', 3'=1'-0'(QUARTER SCALE), 6'=1'-0'(HALF SCALE), 1'-0'=1'-0'(FULL SCALE).

File naming standards[edit]

  • BS 1192:

Discipline (1 char), Element (2 char, using SfB Table 1 or Uniclass), Drawing type (1 char, P=preliminary, X=special/xref, L=layout, C=component, S=schedules, A=assembly drawings, K=co-ordination drawing), Unique number (3 char), Revision (1 char, A=emission, B,C,D..= revisions).Samples: A22P012G.dwg (architect, internal walls in SfB, preliminary design, sheet 012, revision G).

  • AEC

Samples: ZE1G-124.dwg, XE1G-100.dwg

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  • AEC (UK)

Project (unlimited char), Discipline (2 char max, recommended mandatory), Zone (optional), View (1 char, rec.mand.), Level (2 char, rec.mand.), Content (rec.mand.), Sequential number (up to 3 char);Samples: 1234-A-Off-P-M1-Furn-11c.dwg (project #1234, architect, office zone, plan, mezzanine 1, furnitures, version 1.1 revision c), A-P-01-Part (architect, plan, 1st floor, partitions), 1234-A-S-055.dgn (project #1234, architect, section, sheet 055), A-S-xx-AA.dwg (architect, section, full building, section AA), A-P-x-Grid.dgn (architect, plan, all floor, grid), 1838-S-C-P-03 (project 1838, structures, building C, plan, 3rd floor).

Autocad Standard Layer Names 2017

  • Other local:

Job number (4 char), Agent (1 char), Section (4 char), phase (1 char), sheet number (2 char), revision (2 char)Samples: 0512-A-00A_-1-01-02.dwgJob number (3 char), View (2 char), section (2char), phase (1 char), revision (1 char)Samples: 123p0s2d0.dwg (job 1239, plan, 2nd floor, definitive drawing, emission), 459s0BBD0.dgn (job 123, section B, definitive drawing, emission).

Mechanical CAD standards[edit]

Model-based definition[edit]

Model-based definition (MBD) is a method of product specification using elements within 3D models as defined by ASME Y14.41-2012. ASME Y14.41-2012 is based upon ASME Y14.5-2009 symbols and definition methods, such as Geometry Dimensioning and Tolerancing (GD&T).

Subscribers of International Organization for Standardization (ISO) have the standards ISO 1101 and ISO 16792 for model-based definition.

Geometry quality[edit]

Autocad Standard Layer Names Structural

VDA 4955

Product Data Quality[edit]

PDQ is a field of PLM relating to the quality of product data, particularly the geometrical and organizational quality of CAD data. Checkers, software that analyze CAD data formats, are often employed before and after data translation.The checkers can check the organization and quality of the data against internal company standards and international or industry standards.These checkers can be built into specific CAD packages or work on a number of CAD file formats.

In 2006/2007 Part 59 of STEP ISO 10303-59 Product data representation and exchange: Integrated generic resource: Quality of product shape data is under development. It defines how to represent quality criteria together with measurement requirements and representation of inspection results.

See also[edit]

  • ISO Standards Handbook - Technical drawings, a broad collection of all basic ISO drawing standards
    • Vol.1 Technical drawings in general, ISBN92-67-10370-9
    • Vol.2 Mechanical engineering drawings, construction drawings, drawing equipment, ISBN92-67-10371-7
  • ISO 128 Technical drawings—General principles of presentation
  • ISO 13567Technical product documentation - Organization and naming of layers for CAD
  • ISO 16792 Technical product documentation — Digital product definition data practices, for the presentation of 3D models and GD&T
  • ASTM F2915 Additive Manufacturing File Format
  • IGES Initial Graphics Exchange Specification
  • Kiziltas, S.; Leite, F.; Akinci, F.; Lipman, R. (2009) “Interoperable Methodologies and Techniques in CAD”. Chapter 4. In: CAD and GIS Integration. Karimi, H.; Akinci, B. (ed.). Taylor & Francis. p. 73-110.
  • X3D ISO standardized royalty free 3D format - CAD Interchange sub-component of interest here.

References[edit]

  1. ^A/E/C CADD Standard R4.0Archived 9 January 2009 at the Wayback Machine July 2009.

External links[edit]

  • AutoCAD Layer Names for Architecture / Interiors (PDF available)
  • aec-uk.org Home of the AEC(UK) standards.

Autocad Layer Naming Convention

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