BUILDINGSFor Future

Constitution( ld )LEB( Low Energy Building)

• Architectural Specialties. 

D li h i d N h Li h i• Day lighting and North Lighting.

• Super Insulation.

• Primary & Auxiliary Energy Strategies.

• Building Integrated RE Strategies.Building Integrated RE Strategies.

• TABS (Thermally Active Building Systems)

S C l S• Smart Control Systems.

Architectural.

• Thermal Bridge free designs

• Urban Heat island effect mitigation.g

• Day Lighting & North Lighting.

• Permaculture.

• Shading & Insulation• Shading & Insulation.

Day Lighting & North Lighting.Day Lighting & North Lighting.

Why Super Insulation ?Why Super Insulation ?

• No leaky buckets – conserve the energy that is inside the buildinginside the building.

• No need to recreate – Heating and cooling ievery time.

• Recycled –Heating & Cooling.

• Use of latent –heat and cold.

Super Insulation.

Why TABS ?Why TABS ?

• TABS – designed buildings use Radiant Liquid g g qbased –Heating and Cooling.

• Water is 3500 times more efficient than “forced air systems”air systems”

• Space Conditioning –Redefined.• No boilers / chillers / VRVs• No boilers / chillers / VRVs• No necessity for “expensive BMS Controls”.• No “ Suspended Ceilings”No   Suspended Ceilings• No real maintenance.• Cheaper CAPEX cost and OPEX cost.p

No Swirling air / Heat Accumulation /  Draughts

Geothermal Pumps

RADIANT FLOOR H& C

Geothermal Pumps 

Huge Benefits

PRINCIPLES OF RADIANT HEATING COOLING

Not only cheaper but lower C –emission too

Lighting.Lighting.

• Task and Ambient LightingTask and Ambient Lighting.

• Lux Based + Day Lighting Techniques.

f ffi i i h S

Task 

• Use of Efficient Light Sources.

• Control of Light Sources as per Usage.

• BAU – on Lux based requirements.

• Consumption – Key to designAmbient 

Consumption  Key to design.

Architect SpeakArchitect Speak 

No major expenses on Controls.No major expenses on Controls.

• No – big expenses on Building ManagementNo  big expenses on Building Management Systems.

• No big boilers and chillers to control• No big boilers and chillers – to control.

• Life is easy.

• Integration with Lighting systems becomes easier and cheaper.

Building Integrated Renewable Energy.

BIRE.

Integrations.Integrations.

• HVAC / Space Conditioning.HVAC / Space Conditioning.• Lighting.• Access• Access.• Fresh Air content.S ill• Surveillance.

• Energy Metering.• Automated Applications for Lighting and HVAC.

Other strategies.Other strategies.

All talk –LOW ENERGY 

Case Study.Pearl River TowerOwner China National Tobacco Corporation

Architect Gordon GillSkidmore, Owings and MerrillGuangzhou Chengzong Design 

Institute

Developer Rowan Williams Davies & Irwin Inc.

Structural engineer Skidmore Owings and Merrill

Main contractor Shanghai Construction Group

SpecificationsSite Area: 10,635 m2 (114,470 sq ft)

SustainabilityTh b ildi i d i d ith ti i i dThe building is designed with energy conservation in mind, including wind turbines and solar collectors, photovoltaic cells, raised floors ventilation, and radiant heating and cooling ceilings. It will be arguably one of the most environmentally friendly buildings in the world.

> The largest radiant‐cooled office building in the world> Most energy efficient super‐tall building in the world> The tower is an example of China’s goal to reduce the> The tower is an example of China s goal to reduce the intensity of carbon dioxide emissions per unit of GDP in 2020 by 40 to 45 percent as compared to the level of 2005.

http://en.wikipedia.org/wiki/Pearl_River_Tower