Structural Steel Industry

Structural Steel Industry Structural Drafting Techniques

Structural Design Grade 11/12 – TDA 3M0/4M0

Agenda • • • •

Linework Lettering Paper Sizes Scale Use

Linework

Object Line

Dimension Lines

Cutting Plane Lines

Lettering

Lettering Stokes

Paper Sizes

Paper Sizes • • • • •

ANSI A - 215.9 mm x 279.4 mm (8.5" x 11“) ANSI B - 279.4 mm x 431.8 mm (11" x 17“) ANSI C - 431.8 mm x 558.8 mm (17" x 22“) ANSI D - 558.8 mm x 863.6 mm (22" x 34“) ANSI E - 863.6 mm x 1117.6 mm (34" x 44“)

Scale Use

Metric • On the scale 1:1 show the distance 90 mm 90 mm

Metric • On the scale 1:1 show the distance 210 mm 210 mm

Metric • On the scale 1:5 show the distance 350 mm

350 mm

Metric • On the scale 1:5 show the distance 1.43 m

1.43 m

Metric • On the scale 1:50 show the distance 7.5 m

7.5 m

Metric • On the scale 1:50 – Dimension A = 4 m – Dimension B = 6.5 m – Dimension C = 14 m

Imperial • On the scale ¼” = 1’- 0” 6’-2”

Imperial • On the scale ½” = 1’- 0” 7’-6 1/2”

Imperial • On the scale 1” = 1’- 0” 3’-9 1/4”

Imperial • On the scale 1 ½” = 1’- 0” 2’-6 3/4”

Imperial • On the scale 3” = 1’- 0” 1’-3 1/8”

Acknowledgements • Website: wikipedia.org/wiki/Structural_design • Website: images.google.com • Website: www.sawmillsoftware.com/Measurement/product pages/rulersoftware.asp