1. Lecture 9: Structural Engineering Design and Drafting
PREPARED BY: NOR HELYA IMAN BT KAMALUDIN
SCHOOL OF BIOPROCESS ENGINEERING
PTT 105: Engineering Graphics

2. The Importance of CAD in Industrial Biotechnology
To provide jobs for fresh graduates; space manager or piping designer.
To design piping systems and equipments related to biotechnology field; bioreactor, autoclave, fermenter, etc.
PTT 105: Engineering Graphics

3. PTT 105: Engineering Graphics
Structural Drafting
Structural drafting:
Technical presentation of the structural details in the form of drawing.
Structural drafting design:
Serve all kind of structural drafting in details together with the structural drawings works.
PTT 105: Engineering Graphics

4. PTT 105: Engineering Graphics

5. PTT 105: Engineering Graphics
Structural Drawings
Engineering Design Drawing
Plan view (top view), Elevation view (front view), Bottom section (bottom view) shows overall dimensions, location and size of columns, beams, angles, detail of connections, typical cross sections, various notes.
Manufacturing (shop or working) Drawing Detail drawing of all parts of the structure, all dimensions to the nearest 1/16 “, location of all holes for connections, detail of the connection parts, required sizes of all materials
Assembly Drawing
Skeleton assembly drawing showing the relationship of various
parts to be fitted together in the finished structure
PTT 105: Engineering Graphics

6. Structural Drawings (cont’d)
Structural Shapes
PTT 105: Engineering Graphics

7. Structural Steel Drawings
Structural Materials - Structural steel, Aluminum, Wood, Glass, Concrete (plain and reinforced), structural clay products, and Stone masonry
PTT 105: Engineering Graphics

8. Structural Steel Drawings
Trusses – A truss is a configuration of structural elements (triangle) that adds strength to a support, bridges and roofs.
Truss members carry tension or compression loads, no bending.
PTT 105: Engineering Graphics

9. Roof Truss Detail Drawing
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10. Structural Connections
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11. Structural Connections – Gusset Plate
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12. PTT 105: Engineering Graphics
Welding Drawings
A welded truss
PTT 105: Engineering Graphics

13. PTT 105: Engineering Graphics
Welding Drawings
Pulley housing made by casting (A) and by welding (B)
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14. Basic Welds and Symbols
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15. PTT 105: Engineering Graphics
Dimensioning of Welds
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16. PTT 105: Engineering Graphics
Piping Drawings
Double –Line Drawing
Single –Line Drawing
PTT 105: Engineering Graphics

17. Orthographic pipe drawing
Piping Drawings
Orthographic pipe drawing
Isometric pipe drawing
PTT 105: Engineering Graphics

18. PTT 105: Engineering Graphics
Piping Drawings
PTT 105: Engineering Graphics

19. PTT 105: Engineering Graphics
Bioreactor Drawings
PTT 105: Engineering Graphics

20. PTT 105: Engineering Graphics
Thank You.. Good Luck..
PTT 105: Engineering Graphics