Competency: 207.00 Draw exterior elevations

1. Competency: 207.00Draw exterior elevations Objective: 207.01 Identify terms and definitions related to exterior elevations.

2. Elevations • Exterior views of a structure

3. ElevationsTerms & Definitions • Grade line – the spot where the soil surface strikes the building; the reference point for most elevations • Cornice – the part of the roof that extends out from the wall, sometimes referred to as the eave • Eave – the lower part of the roof that projects from the wall, sometimes referred to as the cornice

4. ElevationsTerms & Definitions • Roof ridge – the uppermost area of two intersecting roof planes • Roof ridge – the uppermost area of two intersecting roof planes • Rail – decorative barriers and supports typically used to enclose porches and decks

5. ElevationsTerms & Definitions • Projection – Horizontal or vertical guidelines used for transferring measurements orthographically from one view to another

6. ElevationsTerms & Definitions • Surface materials – the materials used to protect the building from the weather • Flashing – metal used to prevent water leaking through surface intersections • Stucco – a type of plaster made from Portland cement, sand, water, and a coloring agent that is applied to exterior walls

7. ElevationsTerms & Definitions • Skylight – an opening in the roof to allow light and ventilation that is usually covered with glass or plastic • Topography – physical description of land surface showing its variation in elevation and location of features such as rivers, lakes, or towns