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Understanding Construction File Naming Codes on DKAD Drawings

This page contains tables to explain the codes on our drawings. Our drawings use a recognised standard for file naming, based on the British Standards for construction information, which have been largely adopted by the RIAI in Ireland. Follow this link to BIM Toolbox for the most up to date version of the conventions. 

Our drawing title blocks, and file share locations use systems of codes to quickly identify files based on these 10 parameters:

  1. Project Number- there should be a standard number for the project used by all companies. 
  2. Originator– the person or company who created the file. Our originator code is “DKAD”
  3. System or Volume– the building number (for complexes) or system (such as electrical) shown in the drawing. Most of our projects are one volume “00”. 
  4. Level and Locations– the physical level of the building to which the file or drawing relates.
  5. Document Type– codes to identify as drawings, 3D models, schedules and other types of construction documents.
  6. Role– the job of the originator company, all our files are “A” for “architect”. 
  7. Classification– refers to a classification library number like Uniclass, where required.
  8. Number– this is the traditional “sheet number” familiar to users of architects drawings.
  9. Suitability– refers to the suitability of the drawing: for construction, pricing, tender, design, etc.
  10. Revision– this is the number of times the drawing has been changed, with a decimal for work in progress iterations.   

These are separated by hyphens. The last three parts tell you what the drawing is for, and whether it is the current version. It is a cumbersome system, but it is designed to aid collaboration if used by everyone. When project information is shared digitally, all companies work off a file share location; by using this naming convention, it will be easier to locate files in one very large folder. 

The most relevant code tables are listed below.

 

Standard Codes for Levels

 
ZZ Multiple levels Where the file applies to multiple levels, for example a cross sectional drawing
XX No level For files that are not relevant to the levels, for example specifications or meeting minutes
GF Ground floor  
0 Base level For linear assets (for example roads) or where GF isn’t applicable
1 Level one The first level primary level above ground level
M1 Mezzanine one Mezzanine level above level one
M2 Mezzanine two Mezzanine level above level two
B1 Basement one The first level below ground level
B2 Basement two The second level below ground level

Drawing and Document Types

Drawings & Models

AF Animation File (of a model)
CM Combined model (federated mutlidiscipline model)
CR Specific for the clash process
DR 2D drawing
M2 2D model file
M3 3D model file
MR Model rendition file (for example thermal analysis)
VS Visualisation of a model
   

Documents

 
BQ Bill of quantities
CO Correspondence
CP Cost plan
DB Database
FN File note
HS Health & Safety
IE Information exchange file
MI Minutes / action notes
MS Method statement
PP Presentation
PR Programme
RD Room data sheet
RI Request for information
RP Report
SA Schedule of accommodation
CA Calculations
SH Schedule
SN Snagging list
SP Specification
SU Survey

 

Roles

 

A Architect
B Building Surveyor
C Civil Engineer
D Drainage, Highways Engineer
E Electrical Engineer
F Facilities Manager
G Geographical and Land Surveyor
H Heating and Ventilation Designer
I Interior Designer
K Client
L Landscape Architect
M Mechanical Engineer
P Public Health Engineer
Q Quantity Surveyor
S Structural Engineer
T Town and Country Planner
W Contractor
Y Specialist Designer
Z General (non-disciplinary)

 

This extract from PAS1192 shows the suitability codes. 

Suitability codes for construction files.

Suitability codes for construction files.

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