DIM

TDJ 3M ASSESSMENT

ACHIEVEMENT CHART FOR COMMUNICATION OF DIMENSIONING ON ORTHOGRAPHIC DRAWINGS OF PROJECTS IN TDJ 3M

Level 1

Sufficient information for a competent individual to build the part or building depicted in the drawing is included.

Level 2

Level 3

no double dimensioning
all dimensions in mm
Line Thickness
- Title Block and Border 0.7 mm thick
- Object Lines 0.35 mm thick
- Dimension Lines 0.03 mm thick
Dimensioning Correct
- For Architecture Drawings
  - overall dimensions included
  - Interior features dimensioned on the interior
  - Exterior features dimensioned on the exterior
  - dimensions aligned
  - leader lines go to correct location
  - roof slope correctly dimensioned
  - grade placed and identified
  - Arch standard used
- For Mechanical Drawings
  - overall dimensions included
  - dimensions aligned
  - one dimension in a chain is missing
  - ISO standard used (arrows)
Scale should be indicated in the title block and a scale indicator may be included in the drawing.

Level 4

level 3 criterion are complete and consistent .
location of views should be relatively centred and provide enough room for well balanced dimensioning.
dimensions should be shown in the most appropriate view, typically where the feature is depicted that best
dimensions should be arranged in a line or in a couple of lines
correct information in the title block
well presented,
- bound appropriately, in a folder or otherwise as specified
- no marks on page
- no information not pertinent to the drawing on the drawing
- paper crisp, not smudged, folded or ripped.