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