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Engineering Drawing Assign. 10

Engineering Drawing Assign. 10 - A site plan floor plan and...

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Alex Jackson Pg. 475 #’s 1-10 1. Who typically draws the main elevations of a structure? Explain. The architect usually draws the elevations in the preliminary stages of design. 2. List methods of projecting heights from one elevation to another. Draw lines in between the floor plans and the elevation views to show where things line up and that will give you the height. 3. What scales are normally used to draw elevations? Front view is 1/4" = 1’-0” and the side views are 1/8” = 1’-0” 4. What is the best method of determining the height of a roof when it is being viewed in a manner that does not show the pitch? Use projection lines and sketch the other elevation view to keep the heights consistent. 5. What lines should be drawn first when finished-line quality is being used? The lines at the top of the drawing should be drawn first because the soft lead used can easily smear. 6. What drawings are required to project grades onto an elevation? Briefly explain the process.
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Unformatted text preview: A site plan, floor plan, and roof plan are all required for projecting grades onto an elevation. The process involves measuring the distance on the site plan and then marking it on the floor plan and finally projecting it onto the elevation. 7. What drawings are required to draw a structure with an irregular shape? The drawings required to draw an elevation view of an irregular building shape are the floor plan and the roof plan. 8. Sketch the method of showing the chimney height, and provide the minimum dimensions that must be shown. The chimney is usually omitted because it is in the foreground and is at a minimum of 2’ above any roof within 10’ of the chimney. 9. What dimensions are typically shown on elevations? It varies but there are either no dimensions on the elevation views or there are finished floor lines and floor-to-ceiling heights. 10. What angle is used to represent a 4/12 pitch? 18 degrees...
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