PA: Misc Flashcards
Formula for Equinox
90-Latitude
Formula for Summer solstice
(90-Latitude) + 23.5
Formula for winter solstice
(90-latittude)-23.5
what climate are courtyards for?
hot and arid
Monocrystalline photovoltaic
most electricity produced per square foot
-most expensive and most efficient in watts per panel
Active solar
desire to reduce hot water energy use
Thin film PV
floppy least efficient
Principles for New Urbanism
Alleys, bike lanes, walkability
Planned Unit Development
is a community of homes and other buildings that is developed under a flexible zoning process that allows for a variety of uses and building types
Solar Reflective Index (SRI)
measure of roof’s ability to reject solar heat (standard black surface SR of zero, white surface of 100
Albedo (solar reflectance)
fraction of radiant energy received on a surface that is reflected (black surface = albedo of zero)
-natural materials have low albedos, snow and pavement have high albedos
Restoration
Additions made to historic building
When is separation not required? (3)
- if storage room less than 100sf
- spaces with same occupancy classification
- trying to separate different occupancies so the less stringent one is not affected by the more stringent occupancy
Which of the following is most restrictive when determining max allowable floor-to-area ratio
Zoning ordinance
required clearances for pull side of swing door
60” 18”
Clear floor space for wheelchair per ICC A117.1-2017
52” x 30”