green buildings, by gregers reimann. green drinks, 27 september 2011, kuala lumpur

8/3/2019 Green Buildings, By Gregers Reimann. Green Drinks, 27 September 2011, Kuala Lumpur

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Green Buildings:

The BIG picture!

And find out what you can do at your

workplace and at home

By: Gregers [email protected], hp 0122755630

27 September 2011

Visit this

afternoon

ST Diamond Building(Photo credit: ACICC Malaysia Sdn Bhd )


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Getting Lost in Translation(what does it mean to save 85.7 million tons of CO2?)

7

1

0

2

4

6

8

Average

Malaysian

Sustainable

Level by

2050

Ton CO2 emissions

per person peryear

World average (2010):

5 ton CO2 per person


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What happens if we dont save CO2?

Worried!

5 meter highersea level by

2100. And a

worrying trend.

Will my durianplantation in

Port Klang get

flooded?


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Yes!

Red colour shows 5 meter sea level rise

And here is the durian plantation


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What happens if we dont save CO2?

Worried!

Why is Malaysiastill building coal

fired power

plants?

And giving energy

subsidies

promoting

energy wastage

Source: Storms of my Grandchildren (2009)


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Activities and their CO2 emissions

2.00

1.24

0.12 0.04 0.10

0.0

0.5

1.0

1.5

2.0

2.5

D

rivingcar(12,0

00km)

Eating200gbe

efdaily

Eating200gchicken

daily

Eating200gbaked

beansd

aily

Fridge

Ton CO2 emissions per year Please stick to 1 ton CO2,so I dont loose my durian

plantation!


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Activities and their CO2 emissions

2.001.24

0.12 0.04 0.10

7.00

0.0

1.02.03.04.05.06.0

7.08.0

Drivingcar

(12,0

00km)

Eating200gbeef

daily

Eating200g

chickendaily

Eating200g

bake

dbeansdaily

Fridge

Returnflight(K.L.

-C

openhagen)

Ton CO2 emissions per year Gosh!Flying is very CO2 intensive.

No more durian plantation!

Please by CO2 off-sets for

your flights, so I can keep

my durian plantation! Make sure it is GoldStandard certified


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The Big Picture:Energy Impact per Person

Source:Sustainable Buildings without the hot air by David MacKay, Cambridge University, 2009

Please guessthe labels?

For Malaysia:

0.62 kg CO2 / kWh electricity


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The Big Picture:Energy Impact per Person


For Malaysia:

0.62 kg CO2 / kWh electricity


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Car Travel Necessary?

Source: Energy Use in a Maturing Society Case of Denmark by Nrgrdand Christensen (1982 & 2001). Illustrations by Claus Deleuran

Example:

The Swiss Re (Normal Foster) building in London

has parking but only for bicycles!Note: The building has good public transport


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Electric Consumption Up

Fitness center in the US



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Our Consumption Based Society


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Stuff(energy break-down)


Lets look at

the building

sector


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Most cheap CO2 savings in building sector

Cost of CO2 savingsUS dollars / ton CO2 equivalents

Giga-to

nofCO2

equivalentsperyear

CO2 savings

Source: IPCC


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Stop the leaks

Supply

Wastage

Plug the holes(efficiency)


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New Straits Times

January 2002, Malaysia

Stop the leaks


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Energy Index of Office Buildings

in Malaysia

0

50

100

150

200

250

300kWh/m2 year

Stop the leaks

Leaks stopped

Visit thisafternoon


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ST Diamond Building(Photo credit: ACICC Malaysia Sdn Bhd )


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Visit thisafternoon


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Play video

Sustainable Features of ST Diamond Buildinghttp://www.youtube.com/watch?v=3H_sXCtDayc


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Solar Geometry

SITETilted 16 from North

Solar Path for MalaysiaLatitude 3.1 North

25 Faade Tilt Angle

Solar GeometryThe solar path was used to

sculpt the building

geometry. The 25 tilt angle

of the facades ensures that

North and South facades arefully self-shaded during the

hottest mid-day hours. For

the East and the West

facades, the tilting faade

helps to reduce the solar

impact by 41%.The tilted glazing admits more of the desirable diffuse light

reflected off the landscape for glare free daylighting use in

the building

EastWest


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Typical Cross Section

Mirrorlightshelf

Fixedblinds for

glarecontrol

Daylight

reflectedonto

ceiling

Facade Daylighting System

Energy efficient lighting controls:Light sensor (automatic off), manual wall switch (on)

+ individual table lamps


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Self-shaded facade

from direct sun

Diffuse light deflectedinto room by lightshelfand window sill

LIGHT REFLECTIONS FROM:Lightshelf + Window sill

Lightshelf only

Window sill only

Mirror lightshelf with fixed louver

Faade Daylight DesignThe building is 50% daylit. The faade daylighting system consists of a mirror lightshelf and a white painted window sill. Both deflect

daylight onto the white ceiling for improved daylight distribution until 5 meters from the faade + 2 additional meters of corridor

space. Fixed white louvres with top surface mirror finish on the top side are mounted with a 30 tilt angle above the lightshelf for

glare protection while still allowing daylight to be deflected onto the ceiling. To increase daylight throw into the rooms, the suspended

ceiling was omitted giving a floor to ceiling height of 3.7 m.

FACADE


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Tannenbaum

reflector panel on

levels 4 and 5Atrium Daylight DesignThe atrium has been carefully designed optimize daylight utilization for each floor employing the combination of the

following three strategies:1. Automated blind with six different configuration to maintain the appropriate daylighting levels at all times. The blinds with 30% light

transmittance are adjusted every 15 minutes and follow a three different control strategies for morning, mid-day and evening2. The windows size becomes larger deeper into the atrium to cater for lower daylight levels3. A band of Tannenbaum reflector panels are applied to 4th and 5th floor to deflect daylight across the atrium to 1st and 2nd floor where daylight

levels are the lowest. The christmas tree profile reflectors have an inclination of 10 and reflect about 85% of the light in semi-diffusemanner, hence, avoiding visual glare issues for the building occupants.


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Manifold for pipes coming out of RC slabFloor slab cooling pipes laid before pouring concrete Suspended ceiling omitted not to restrict slab cooling

Floor Slab CoolingFlexible 22 mm PERT pipes are embedded in the RC slabs during

construction to make the building structure function as a thermal

storage system. At night 18C cold water is circulated in the slabs

cooling them down to about 21C. During the day-time, the system is

shut off, and floor slab passively absorbs heat gains from people,

computers, solar gains etc. The advantages of the floor slab cooling

system are:

Reduces cooling transport energy by 64% because it is more efficient

to transport cooling with water than with air

Shifts much of the cooling to the slabs, so the AHU system can be

down-sized about 30%

Shifts 30-40% of the cooling to night time, so building can save costfrom the lower off-peak energy rates and from reduced maximum

demand charge

One week temperature data(simulated by Transsolar)


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Electricity Savings Step by Step

Green Mark

Platinum

Energy

efficiency

steps

annual energy consumption

GBI

Platinum

GREEN BUILDINGRATINGS

Energy Savings: RM 1 million per yearPayback time: 3.6 years CO2 savings: 1500 ton CO2

Cars off the road: 750 cars (CO2 equivalents)


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Office Retrofit (EECCHI, Jakarta)


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Worlds most energy efficient ceiling fans(raise temperature, adjust temperature with fan speed)

Nov 2011


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What to do at home?


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Residential Energy Break-down

Air Conditioner

night time35%

Radio1%Television

2%

Iron

2%Fan2%

WashingMachine

14%

Water Heater

14%

Rice Cooker3%

Refrigerator19%Lighting

6%

Computers2%

Vacuum Cleaner0%

Typical 2 Story Terrace House in Petaling Jaya


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Energy Efficient Fridges

Similar scheme for

air-conditioners?


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Green Switch(hotel key switch principle)


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Green Switch(eliminate the standby losses)


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Bicycle(shower retrofit)

Cost: RM 50 (anybody can install at the bib tap)


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Seri RajaChulan Condo

(91 units)

Kuala Lumpur,

Malaysia


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Selling price of RecyclablesAlam Flora Recycle and Reward

0.15

0.16

0.16

0.14

0.16

1.5

0.32

0.18

0.06

0.12

0.10

RM/kg

0.56

Rate

(RM/KG)

Batteries, household

4.00Mobile phone

0.10TV and refrigerator

6.00Printer cartridge

0.64Laptop or CPU

0.48Plastic bags

0.36CDs & DVDs

CONTACT INFO:

Alam Florawww.alamflora.com.my

Recycle and Rewardwww.recycleandreward.my

Rate

(RM/KG)

Rate

(RM/KG)


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Recycling Rate now 2 times higher!

Condo recycling implemented 1 July 2010Before


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Play video

Inspirational low-tech videohttp://www.youtube.com/watch?v=JOl4vwhwkW8&feature=feedf


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Thank you

Gregers [email protected]

Hp 0122755630

green buildings, by gregers reimann. green drinks, 27 september 2011, kuala lumpur

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