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Site Orientation & Linear Measurements

Site Orientation & Linear Measurements. House or Site Orientation. Definition: The placement of a structure on the property with certain environmental and physical factors taken into consideration, a compass location of the rooms Takes place at the beginning of design process

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Site Orientation & Linear Measurements

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  1. Site Orientation& Linear Measurements

  2. House or Site Orientation • Definition: The placement of a structure on the property with certain environmental and physical factors taken into consideration, a compass location of the rooms • Takes place at the beginning of design process • Factors that may influence house or site orientation are: • 1) terrain (topographical, contours, etc) • 2) view • 3) solar (sun exposure, site location) • 4) wind • 5) sound (noise) • 6) zone

  3. Contour Lines Gentle Slope Steep Slope 1) Terrain Orientation • The characteristic of the land on which the proposed structure will be placed • Contours dictate slope • Affects the type of structure to be built • Types of land categories • 1) Level or generally level • Contour lines far apart • 2) Sloped • Contour lines close together

  4. 1) Terrain Orientation - Level Sites • Natural site for single-level or two-story homes

  5. 1) Terrain Orientation - Sloped Sites • Natural location for multilevel or daylight basement homes

  6. 1) Terrain Orientation - Sloped Sites • Subterranean construction places a portion of the house below grade, is becoming popular

  7. slope slope 1) Terrain Orientation - Contours • Help to determine the slope of the land • Contour intervals in this example are 1 vertical feet, dark contours are 5 vertical feet • Common intervals are 1, 2, 5, 10 and even 50 feet

  8. Different Views 2) View Orientation • Many future homeowners purchase a building site because of the view • mountains, city lights, a lake, the ocean, or golf course

  9. 2) View Orientation • View sites are more expensive than others • Designer/architect should design a home that optimizes the view, however, a trade-off between other orientation factors may have to be considered

  10. 3) Solar Orientation • To take full advantage of Sun exposure to the structure • Major living areas face south for winter solar heat • Breakfast area should face east for morning sun • Solar chart shows the Southern orientation and the suns path also time of year

  11. 4) Wind Orientation • Determine the direction from which the wind most frequently blows (prevailing winds) in a given area of the country • Wind conditions should be taken into consideration for house orientation • One factor of orientation over another factor may outweigh the other

  12. 4) Wind Orientation • Landscaping can help control wind

  13. 5) Sound Orientation • Sound coming from surrounding community or area can be good or bad • natures sounds--singing birds, croaking frogs, etc. • road noises, train sounds, major freeways, etc. • Positioning the house feature to reduce sound, such as garage, or closets

  14. 5) Sound Orientation • Landscaping, fences, berms, trees, hedges, etc. may help block out some of these noises

  15. 6) Zone Orientation • City zoning ordinances set and establish guidelines as to house location on the lot, the house height, size of house & lot, even the exterior design of home in some cases • Set backs are distances that set imaginary lines called building lines which are parallel lines to the property lines and establish the confine of where the house can be built

  16. 6) Zone Orientation - Set Backs Set Backs

  17. 6) Zone Orientation - Set Backs • Notice line differences of property and building lines, both are labeled on the drawing • House placed inside building line area

  18. House/Site Orientation - Example • Factors shown: view, solar, wind, zone

  19. Linear Measurements

  20. Linear Measurement -- Plot Plans • Civil Engineering Scale (Civil Scale) typically used on plot plans because of site or land measurements, contractor will use this type of measurement in positioning the house on the site. • The Civil Scale is divided into tenth, therefore all units are marked in feet and tenths of feet • Example: Architectural measurement = 5’- 6” Civil measurement = 5.5’

  21. Divisions and Scales of the Civil Engineer Scale

  22. Civil Engineer Scale Examples Division is 10 Wide range of ratios

  23. Civil Engineer Scale Examples Division is 20 Wide range of ratios

  24. Civil Engineer Scale Examples Division is 30 Wide range of ratios

  25. Angular Measurement

  26. Drafting Machine ZERO MARK

  27. Angular Measurement

  28. Drafting Protractor

  29. Protractor and Vernier Plate

  30. Angular Measurement

  31. Reading the Protractor • Full degree measurement

  32. 40’ 7° Reading the Protractor • Degrees and minute measurements • Measurement of example: • 7° 40’

  33. Angular Measurement - Bearings • Direction with reference to one quadrant of the compass • The angle of deviation from the north/south line in an east or west direction 90 degrees or less • Are measured clockwise or counterclockwise and always from north or south

  34. Bearings D • Line OA bearing • N60 °E • Line OB bearing • S75° E • Line OC bearing • S30° W • Line OD bearing • N45° W A O B C

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