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Climatology presentation describing the passive strategies employed in a school building in Nepal
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PASSIVE DESIGN STRATEGIES
TEKSING BAMBOOWOOD SCHOOLKAVRE, NEPAL
Divyae Mittal- 12110015
Naman Sharma- 12110026
PROJECT SPECIFICATIONS
Architect: MEEM Architecture
Project type: Educational project- Secondary School
Built-up area: 230 sq. m
SITE SPECIFICATIONS
Location: Kavre, Anaikot, Nepal
270 40’48’’ N, 850 36’00’’ E
85 km from Kathmandu
Altitude of Kavre: 1800 m from MSL
Natural resources: quarrystone, slate, gravel, bamboo, wood, reed grass
Fairly remote area
Source: BBC Weather
SITE CLIMATEClimate zone: Humid Subtropical
Average Annual Rainfall: 1600 mm
Average summer temperature: 28o C
Average winter temperature: 7o C
•Large Variation in DBT.•Variation in Humidity
Hence, passive strategies for temperature control and ventilation needed
High wind from western direction.
Hence, need for restriction of wind for certain period of time
Source: Autodesk Ecotect
PASSIVE STRATEGIES
#1 VENTILATION
N
• East- West winds blocked.• North- South winds used for cross ventilation.
PASSIVE STRATEGIES
#1 VENTILATION
SECTION X-X’
X
X’
EXTERIOR ELEVATION
N
Wind coming from South
Corrugated Metal Sheet
PASSIVE STRATEGIES
#2 DAY LIGHTING
Movable window panes to control the amount of daylight.
PASSIVE STRATEGIES
#2 DAY LIGHTING
N
X X’
Y Y’
SECTION X-X’
SECTION Y-Y’
Daylight window
Viewwindow
PASSIVE STRATEGIES
#2 DAY LIGHTING#3 PROTECTION FROM RAINFALL
Winter SunAltitude Angle-40o
Summer SunAltitude Angle-85o
*Source: Tectonics, Climate And Landscape Evolution, Issue 398
High plinth provided to prevent water-logging inside
RAIN
*Avg. Angle of rainfall with vertical- 15o
CONCLUSIONS
•Heavy wind load blocked by corrugated iron sheets.
•Openings at height for cross ventilation.
•Movable window panes to control the amount of daylight.
•Large over hangs provided to : -
• control the amount of daylight;
• protect from rainfall.
REFERENCESBBC Weather
http://openarchitecturenetwork.org
Tectonics, Climate And Landscape Evolution, Issue 398