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Environmental Controls I/IG Lecture 9 Microclimatic Analysis Microclimatic Design Climatic Factors in Regional Design Slide 2 Slide 3 Microclimatic Analysis Solar Access Wind Conditions Topography Vegetation & Soil Conditions Water/Water runoff Slide 4 Goals Identify and establish the microclimate design determinants Slide 5 Solar Access Sun Angles Confirm sun path for solstices and equinox At solar noon: 12/21 =90-23.5-L 3/21 & 9/21 =90-L 6/21 =90+23.5-L where L=latitude Slide 6 Solar Access Sun Path Diagram L: p. 605 Slide 7 Solar Access Openings/Filters Verify solar orientation and obstructions L: p.142, Fig 6.14 Slide 8 Solar Access Solar Envelope Confirm solar envelope of buildings on adjacent and adjoining sites Slide 9 Wind Conditions Direction and Speed Obtain climate data Slide 10 Wind Channels or Obstructions? Verify distance to openings and barriers Slide 11 Wind Conditions + Topography Verify changes in terrain Locate changes in local terrain Slide 12 Topography Elevation Verify location of changes in elevation Slide 13 Trees & ground cover Soil surface color Soil type Vegetation & Soil Condition Slide 14 Vegetation & Soil Conditions Trees Vegetation & Soil Conditions Trees Confirm location and species of trees Coniferous Deciduous Slide 15 Verify locations and conditions Vegetation Surface color Soil type Hardscape Vegetation & Soil Conditions Slide 16 Water/Water Runoff Verify water table and drainage patterns Slide 17 Final Site Summation Compile findings on site diagrams Wind Factors Vegetation, Ground Cover & Drainage Slide 18 Microclimatic Design Slide 19 Case Study Slide 20 Microclimates Interactive Seasonally dynamic Occur outside and inside the building Interactive Fountain, Celebration, FL Slide 21 Location & Climate Compare site opportunities to the climatic issues L: p. 300 Fig. 11.2c&d Slide 22 Climatic Design Priorities Assess design priorities ...Region 14 1. 1. Allow natural ventilation to both cool and remove excess moisture in the summer. L: p. 114 Slide 23 Regional Precedents Identify local vernacular precedents Vernacular Side-Gallery House, Charleston, SC Slide 24 Climatic Form Givers Identify local climatic form-givers Slide 25 Design Strategies Evaluate design strategies Slide 26 Contemporary Translation Shutter House for Photographer Tokyo, 2003, Shigeru Ban http://www.shigerubanarchitects.com/SBA_WORKS/SB A_HOUSES/SBA_HOUSES_29/SBA_Houses_29.html Slide 27 Develop Alternatives Assess and adapt generic models Cold Temperate Hot & Dry Hot & Humid L: p. 333-6, Fig. 11.12 b-e Slide 28 Develop Alternatives Evaluate possible design solutions within the site context Slide 29 External Factors Evaluate external impacts for sun, wind, and water Slide 30 Internal Factors Evaluate internal impacts for sun, wind, and water Atmospheric Research Center, Boulder, CO Slide 31 Integrate with Building & Site Microclimates complement and activate the building design Slide 32 AIA Climate Zones (1980) Slide 33 Climate Zone Analysis Each analysis describes: Climate Psychrometric profile Design priorities Basic conditions Temperature cycles Relative humidity Wind speed Sunshine Degree-days Slide 34 79 Slide 35 Psychrometric Profile Zone 4 Slide 36 Psychrometric Profile Zone 4 Slide 37