Place : Mysore

Clients : Infosys

Area: 1 lakh sqft

Services: Sustainability

Infosys Technologies Ltd, Mysore.

• SDB-05 is a software development company.
• It has a built up area of 2, 50,000 sqft including basement.
• It is ground plus four floors structure.
• The air-conditioned space is 2.1 Lakhs sqft

Lighting

• 70% Reduction in lighting energy by harvesting the daylight.
• All light fittings are of T5, T8 super light.
• Building is completely Day lit from 8AM to 5PM.
• Occupancy based lighting control is used to switch ON/OFF.
• Internal light shelf used to optimize daylight.

Building Materials

• Windows are having double glazed glass with low u value (1.77 W/m2 K).
• Wall are Cavity walls with XPS insulation, hollow concrete blocks are used.
• Sun exposed roof is insulated with 75mm XPS insulation.

ENERGY PERFORMANCE INDEX

Building having 210000 sqft conditioned area is connected with 400TR chiller plant which
amounts to 524 sqft/TR compared to 675 TR and 310 Sqft/TR of Base case building.

The total simulated energy consumption in the building is 78 Kwh/m2/year compared to
a conventional building of 140 Kwh/m2/year

• Thermal load reduction through wall and roofing insulation, high performance glass, shading elements & occupancy sensors
• Water cooled chilled water system
• Variable frequency drive chillers
• Cooling towers with variable frequency drive
• All regular air handling units are with high efficient motors
• All the conditioned air has been supplied through variable air volumes (VAV)
• DOAS System