leed - fundamental of sustainable architecture

8/10/2019 Leed - Fundamental of Sustainable Architecture

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GREEN BUILDING

FUNDAMENTALS

T H E U S G B C s L E E D T H E G R E E N B U I L D I N G

C E R T I F I C A T I O N P R O G R A M S


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LEEDL E E D T H E G R E E N B U I L D I N G C E R T I F I C A T I O N P R O G R A M S

About USGBC

About LEED

LEED exam plan

Materials and Resources :

Green Building Fundamentals Mychael Montoya Second Edition


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OverviewT h e U S G B C s L E E D

USGBC, Founded in 1998, is to transform the way buildings andcommunities designed, built, operated.

To foster an environmentally and socially responsible, healthy andgood environment to improves the quality of life.

A nonprofit organization committed to sustainable building practices.

USGBCs member include more than 15,500 organizations that areworking to advance structures for healthy places for human to live andwork.

Member businesses : Building Owners and end-users ; architect;government agencies; nonprofits

USGBC The US Greenbuilding counci l


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USGBC - Guiding Pr inciples

Promote the Triple Bottom Line : USGBC pursue triple bottom line solutionsthat dynamic balance between environmental, social and economicprosperity.

Establish Leadership: USGBC pursue triple bottom line solutions that dynamicbalance between environmental, social and economic.

Maintain Integrity : USGBC be guilded by precautionary principle in utilizingand scientific data to protect and restore the health of the global environment.

Ensure Inclusiveness : USGBC ensure inclusive, interdisciplinary, democraticdecision-making with the objective of building.

Exhibit Transparency : USGBC strive for honesty, openness and transparency.

T h e U S G B C s L E E D


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The LEED

LEED is based in national rating system for developing high performance,sustainable building. LEED addresses all building types in several core ares.

T h e U S G B C s L E E D

The LEED Greenbuilding rating systemLEEDTHE LEADERSHIP IN ENERGY AND ENVIRONMENTAL DESIGN3rdParty Certification (USGBC-LEED; Energy Star; Green Globes)


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The LEEDT h e U S G B C s L E E D

The rating system LEED 2009For New ConstructionAnd Major Renovations

Total Posible Points 110

Sustainable Sites 26

Water Efficiency 10

Energy & Atmosphere 35

Materials & Resources 14

Indoor Environmental Quality 15

Innovation in Design 6

Regional Priority 4

Buildings are scored on

7 categories

T H E H E A R T O F T H E U S G B C S


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The rating system LEED 2009For New ConstructionAnd Major Renovations

Total Posible Points 110

Sustainable Sites 26

Water Efficiency 10

Energy & Atmosphere 35

Materials & Resources 14

Indoor Environmental Quality 15

Innovation in Design 6

Regional Priority 4

The PointsEach category is worth a

different number of points.


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HOMES (LEED-H)

NEIGHBORHOOD development (LEED-ND)

COMMERICIAL INTERIORS (LEED-CI)

CORE & SHELL development (LEED-CS)

EXISTING BUILDINGS (LEED-EB)

OPERATIONS & MAINTENANCENEW CONSTRUCTION (LEED-NC)

SCHOOLS, HEALTHCARE, RETAIL

DESIGN CONSTRUCTION OPERATION

Type of ProjectLEED-NC New Construction

LEED-EB Existing Building

LEED-CI Commercial Interiors

LEED-CS Core & Shell

LEED-S Schools

LEED-H Homes

LEED-ND Neighborhood Development


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LEEDapT h e U S G B C s L E E D

NCCER Green CredentialsL E E D C r e d e n t i a l i n g

Instructors must be certified to teach the green module

Successful completion of the ICTP & one of the following:

Pass NCCER online

green module

exam

Possess current

LEED AP

certification

Possess current

Green Advantage

credentials

11


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Become a L EED-ACCREDITED Prof.T h e B e n e f i t s o f L E E D a p

LEED-Accredited Prof. (LEEDap) are highly marketable to firms.

When LEEDap is involved in design or construction; the Project earns a point

toward LEED building certification. LEEDaps are listed in the USGBCs Accredited Professionals Directory.


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T h e B e n e f i t s o f L E E D a p

SOURCE: Green Recovery. Center for American Progress, & the Political Economy Research Institute, U of MA (09/2008)


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Become a L EED-ACCREDITED Prof.H o w t o b e c o m e a L E E D a p

LEED candidate select areas of study: LEEPap Operations + Maintenance (O+M);Home, Building Design + Construction (BD+C); Interior Design + Construction

(ID+C) and Neighbor development (ND) Agree to the disciplinary policy and Credentialing Maintenance Program

(CMP); out as http://www.gbci.org.

Document professional experience on a LEED project, within the last 3 years

Submit to an application audit

Pass the LEED Green Associate exam.


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Become a L EED-ACCREDITED Prof.http://www.gbci.org


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Steps to LEED Certif ication


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LEED checkl ist http://www.usgbc.org/resources/This is the LEED ND Checklist

This is the Categories

List of available credits


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LEED checkl ist http://www.usgbc.org/resources/

LEED Certification LEVEL - ND

Level Points

Required

Certified 40-49

Silver 50-59

Gold 60-79

Platinum 80-80+


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LEED checkl ist

First LEED Certified Retail Shopping Center in U.S.

(Awarded LEED SilverC&S) 2007


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LEED checkl istFirst LEED Certified McDonalds In U.S.

(Awarded LEED GoldC&S)


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LEED Green ExamF o c u s e d o n S t u d y P l a n

LEED candidate select areas of study: LEEPap Operations + Maintenance (O+M);Home, Building Design + Construction (BD+C); Interior Design + Construction

(ID+C) and Neighbor development (ND) Agree to the disciplinary policy and Credentialing Maintenance Program

(CMP); out as http://www.gbci.org.

Document professional experience on a LEED project, within the last 3 years

Submit to an application audit

Pass the LEED Green Associate exam.


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Step Contents

Step 1: Chapter 14 Introduction to Green Building

Step 2: Chapter 56 Sustainable Sites

Step 3: Chapter 7 Water Efficiency

Step 4: Chapter 810 Energy & Astmosphere

Step 5: Chapter 11 Materials & Resources

Step 6: Chapter 12 Indoor Environmental QualityStep 7: Chapter 13- 14 The Certification Program

Step 8: Review

Step 9: Study Assessment Guide

Step 10: Contact for asking


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Step Contents

Step 1: Chapter 14 Introduction to Green Building

Step 2: Chapter 56 Sustainable Sites

Step 3: Chapter 7 Water Efficiency

Step 4: Chapter 810 Energy & Astmosphere

Step 5: Chapter 11 Materials & Resources

Step 6: Chapter 12 Indoor Environmental QualityStep 7: Chapter 13- 14 The Certification Program

Step 8: Review

Step 9: Study Assessment Guide

Step 10: Contact for asking

Work Flows:- Readthe Chapters

- Understandand listedas important in the Exam Format

- Review: LEED Green Associate Exam at Chapter 13

- Log onto MyGreenTradesKit (mygreentradeskit.com) andCompetethe Green Building Question


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Step 1

Int roduct ion to Green Bui ld ing

The triple bottom line Green building fundamentals are not far

divergence from traditional menthods.

Global environmental change


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The Triple Bottom LineS t e p 1 : C h a p t e r 1 - 4 : I n t r o d u c t i o n t o G r e e n B u i l d i n g

Green building show a high level of three performance


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It isnt Far S t e p 1 : C h a p t e r 1 - 4 : I n t r o d u c t i o n t o G r e e n B u i l d i n g

A d v a n t a ge s o f B u i l d i n g s

Cost Savings (First-Cost Savings; Ongoing

Operating Expense Reductions)

Minimize Impact on Environment

Enhanced Health & Productivity of Occupants

Increased Value & Lease-Up Rates

Community & Social Benefits

Other Owner Benefits (Lender Incentives; TaxAbatements; Etc.)


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S t e p 1 : C h a p t e r 1 - 4 : I n t r o d u c t i o n t o G r e e n B u i l d i n g

G r e e n b e c o m e s S t a n d a r d

REQUIRED by Goverment

Code in Europe

Washington, DC and Pasadena, CA: Require

certain private development projects to meet

LEED requirements.

Boston, MA: All new and rehabilitation

construction projects > 50,000 s.f. must earn atleast 26 LEED points.

It isnt Far


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S t e p 1 : C h a p t e r 1 - 4 : I n t r o d u c t i o n t o G r e e n B u i l d i n g

Why Build Green? G r e e n b e c o m e s S t a n d a r d

REQUIRED by Owner Lender Requirements & Expectations

- Overhaul of CMBS Standards on Wall Street- Green Programs

- Incentive Programs

Tenant & Occupant Expectations

- Corporate green policies

- Reputation/marketing- Health & productivity of occupants

Permitting & Incentives

- Expedited permitting process

- Variances

- Tax credits & abatements

Growing Private Equity Demand/Requirement

It isnt Far


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Global environmental changeS t e p 1 : C h a p t e r 1 - 4 : I n t r o d u c t i o n t o G r e e n B u i l d i n g

Warmingof the climate system is unequivocal, as is now

evident from observations of increases in global average air

and ocean temperatures, widespread melting of snow andice, and rising global mean sea level.

IPCC Summary for Policymakers

(2 Feb. 2007)


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Gobal mean temperature

Global average

sea level

Northern hemisphere

Snow cover

Direct Observations of Recent Climate Change

h d l d


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Mainly decrease in rainover land in tropics and

subtropics, but enhancedby increased atmospheric

demand with warming

Drought is increasing most places

S 1 C h 1 4 I d i G B i l d i


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CO2, CH4and N2O Concentrations

- far exceed pre-industrial values- increased markedly since 1750

due to human activities

Relatively little variation before

the industrial era

Human and Natural Drivers of

Climate Change

S t 1 C h t 1 4 I t d t i t G B i l d i


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Causes of Global Environmental Degradationand Climate Change

Reduce Energy UseClean Energy

Industrialisation

Urbanisation

Transport



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Step 2

Chapter 5-6 : Sustainable S i tes

Evaluating the project site Reducing heat island effect

Water runoff

S t e p 2 C h a p t e r 5 6 S u s t a i n a b l e S i t e s


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Building site should not Is usable farmland

Is subject to flooding

Provides a habitat for threatened or

endangered species

Is near or includes bodies of water

Evaluating the siteS t e p 2 : C h a p t e r 5 - 6 : S u s t a i n a b l e S i t e s

S t e p 2 : C h a p t e r 5 6 : S u s t a i n a b l e S i t e s


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Reducing Heat IslandS t e p 2 : C h a p t e r 5 - 6 : S u s t a i n a b l e S i t e s

The Urban Heat Island effect and its impacts onurban environment



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Northern Region

WoodlandsKranji

Reservoir

Causeway

Relative temperature map derived from Landsat 7 ETM+

thermal band (28 April 2000, 11:09 am )

S t e p 2 : C h a p t e r 5 - 6 : S u s t a i n a b l e S i t e s


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Western Region

Tuas

Second

Link

Checkpoint

Jurong





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Central Catchment Region

Bukit

Panjang

Choa

Chu

Kang





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Reducing Heat IslandS t e p 2 : C h a p t e r 5 6 : S u s t a i n a b l e S i t e s

Green Roof



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Why rooftop greening

Increase access to private outdoor green space at home

Support urban food production

Promote community Improve air quality and reduce Co2 emissions

Delay stormwater runoff

Increase habitat for birds

Isulate buildings



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Economic benefits


Reduced Renovation Costs

Reduced Energy Costs Offering additional space

for leisure activities

Green Roofs As A Substitute

For Lost Areas Of Landscape

Reduced Sewer Costs

Source from: http://www.zinco.de/ausland/english/benefits_green_roof.php



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Ecological benefits


Reduction of UHI effect Use of High Quality

Recycled Materials

Natural Habitat For Animals

And Plants

Reduced Noise Level

Source from: http://www.zinco.de/ausland/english/benefits_green_roof.php



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Definition

Two types of rooftop gardens depending on the structutaldesign of your roof

Extensive rooftop garden(inaccessible)

Intensive rooftop garden (accessible)

Reducing Heat Islandp p



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Extensive rooftop garden


Generally lightweight gardens Require little or no maintenance

Vegetation covers the entire roof.

Can be installed on both flat and sloped roofs

Depending on climate and the amount of rainfall, can grow a variety ofhardy grasses, wildflowers, mosses and sedums.

not generally walked upon



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Intensive rooftop garden


Allow for a more diverse plant selection (perennial flowers, trees) Generally installed on flat roofs with the vegetation either covering the

entire area or in containers and raised beds.

A stronger roof structure is required (weight of people accessing andhigher soil and container weights, decking and trees )

More maintenance is required because of the greater variety of plants.

Other considerations for an intensive rooftop garden include condition ofroof, structural and weight capacity, access, cost, irrigation, and drainage.



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The effect of green roof


Comparison of surface temperatures measured with and

without plants

23.0

28.0

33.0

38.0

43.0

48.0

53.0

58.0

2001/11/03

03:00:00

06:00:00

09:00:00

12:00:00

15:00:00

18:00:00

21:00:00

2001/11/04

03:00:00

06:00:00

09:00:00

12:00:00

15:00:00

18:00:00

21:00:00

Local Time

Temperatu

re(C)

A B C D

E F bare soil hard surface

Direct effects (surface temperatures)



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Reducing Heat Island

Comparison of heat flux transferred through different

surfaces

-5.00

0.00

5.00

10.00

15.00

11/4/2001

02:00:00

04:00:00

06:00:00

08:00:00

10:00:00

12:00:00

14:00:00

16:00:00

18:00:00

20:00:00

22:00:00

Local Time

HeatFlux(W/m

2)

turf tree shrub soil hard surface

Direct effects (heat flux)


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Ambient air temperatures measured at differnt heights

above vegetation

23.0

25.0

27.0

29.0

31.0

33.0

35.0

37.0

39.0

2001/11/03

04:00:00

08:00:00

12:00:00

16:00:00

20:00:00

2001/11/04

04:00:00

08:00:00

12:00:00

16:00:00

20:00:00

Local Time

Temperature()

Air temperature at 1m Air temperature at 600

Air temperature at 300

Ambient air temperature measured at different heights

above the hard surface

23.0

25.0

27.0

29.0

31.0

33.0

35.0

37.0

39.0

2001/11/03

04:00:00

08:00:00

12:00:00

16:00:00

20:00:00

2001/11/04

04:00:00

08:00:00

12:00:00

16:00:00

20:00:00

Local Time

Temp

erature()

Air temperature at 1m Air temperature at 600

Air temperature at 300

Indirect effects (ambient air temperature)


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Comparison of Annual Energy

Consumption for Different Types of Roofs

160

170

180

190

200

210

No vegetation Covered by

turfing

Covered by

shrubs

Covered by

trees

Type of Roof

AnnualEnergyConsumption

(MWH)

Exposed roof Typical flat roof

Direct effects (energy savings)


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Energy savings

Range of reduc t ion

Thermal p arameterEffects o f

plants + soi llayer

Effects of s oi l

layer only

Annual energyconsumption

0.6% 19.5% 0% 2.9%

Space cooling load 17.0% 79.0% 2.2% 63.8%

Peak space cooling

load

17.0% 78.9% 2.2% 71.4%

Peak RTTV 17.1% 80.6% 2.2% 63.8%

W ffS t e p 2 : C h a p t e r 5 - 6 : S u s t a i n a b l e S i t e s


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Water run-off

Managing eronsion and controlling sedimentation

Storm water management

Water run-off

W t ffS t e p 2 : C h a p t e r 5 - 6 : S u s t a i n a b l e S i t e s


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Managing eronsion and controlling sedimentaion

Erosion can be coused by natural events like rain runoff and wind.

It wash away unprotected topsoil and expose less stable layers of

soil below.

It carry the soil to areas where is not desirable (river, streams,

lakes and oceans)

Water run-off



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Managing eronsion and controlling sedimentaion

The results effects including

Water run-off

Clogging storm drain systems,

potentially resulting in flooding

Damaging wildlife habitat and

plant life in streams and lakes

Adversely affecting

navigation and recreational

opportunities in bodies of

water like bays and lakes. Damaging quality of water

needed to support aquatic

organisms



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A void Managing eronsion

Water run-off

Temporary seeding are used to propogate plants on a slope . Hydroseeding is a method that mixes plant seed with a bindinagent that can be

sprayed



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Water run-off

Wattles : a long cylinders made of natural materials such as straw and coconutwrapped in a mesh material. It slow down the flow of water runoff



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Water run-off

Silt fences: made of a geotextile fabric fence generally placed at the toe of aslope

Water r n offS t e p 2 : C h a p t e r 5 - 6 : S u s t a i n a b l e S i t e s


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Water run-off

Mulch: made of chipped wood, bark or haycan be placed on the surface of thegroundplaced at the toe of a slope

Water run offS t e p 2 : C h a p t e r 5 - 6 : S u s t a i n a b l e S i t e s


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Water run-off

Sediment basins: The basin traps water and allows sediment to settle to thebottom.



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Effective strategies for stormwater management

Amount of runoff that should be minimized and an acceptable

level of quality should be maintained in the water that does

escape the site.

Water run-off



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Effective Stormwater

Water run-off

Basin : Rain water can be channeled in to retention basin.



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Water run-off

Basin : Rain water can be channeled in to retention basin.


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Water run-off

Porous pavers: Allow water to penetrate to the ground below.


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Step 3

Chapter 7 : Water Use Eff ic ienc y Water-Efficient Buildings

Recycling wastewater

Water EfficiencyS t e p 3 : C h a p t e r 7 : W a t e r U s e E f f i c i e n c y


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Water-Efficient BuildingsReducing the amount of water used

Low-flow plumbing fixtures use less water for wash basins, toilets andshowers.

Dual-flush toilets allow the use to select a smaller flush

Waterless urinals use a chemical that is lighter than urine that pushes

the liquid waste into the drain without using water.

Composting toilets covert human waste into an organic compost.

Water Efficiency

Water EfficiencyS t e p 3 : C h a p t e r 7 : W a t e r U s e E f f i c i e n c y


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Recycling wastewaterReducing the amount of water used

Rainwater runoff can be captured with site features for reuse. Grey water must be processed before resusing. Using natural

treatment such as live plants, microorganisms and bacteria to clean

the water. Lately, it reuse of processed greywater for building uses

such as flushing toilets.

Water Efficiency


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Step 4

Chapter 8 - 9 : Energy Ef f i c iency Passive solar Heating and Cooling

Direct heat gain

Indirect heat gain

Isolated heat gain

Active solar heating and cooling

Energy Eff iciencyS t e p 3 : C h a p t e r 7 : W a t e r U s e E f f i c i e n c y


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Passive solar heating and cooling

Energy Eff iciency



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Energy Eff iciency

D i r e c t H e a t G a i n



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Energy Eff iciency



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Solar heating

Energy Eff iciency



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SUNSPACE

Energy Eff iciency



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Energy Eff iciency

SUNSPACE



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Energy Eff iciency

SUNSPACE



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THERMAL STORAGE WALL

Energy Eff iciency


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MAT BANG TRET


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SUN PATH & BUILDING FORMSTUDIES


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STUDIES


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Stage 2B Submission


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11/1/2014

E & W

1.59DF

3.42DF

1.46DF

3.43DF

0.58DF

1.45DF

2.95DF

1.34DF

2.86DF

0.53DF

1.36DF

2.75DF

1.21DF

2.65DF

0.51DF

SUN PENETRATION & DAYLIGHT ACCESS

N & S

NE, NW, SE, SW

Passive Design Sun Penetration and Daylight Access

Stage 2B Submission


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11/1/2014

1.59DF

3.42DF

1.46DF

3.43DF

0.58DF

Treatment of North- and South-facing facades

Sunlight Penetration

Daylight distribution at patient beds in

a typical ward

Faade system

SOLAR EXPOSURE & DAYLIGHT ACCESS Stage 2A Submission


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0.68DF

2.01DF

7.95DF

2.14DF

8.04DF

Over shadow studyoutside facades


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West (W) Northwest (NW)

Northeast (NE) Southeast (SE)

All perimeter facades are half-day exposed to direct sunlight

WIND TUNNEL INVESTIGATION FOR OPTIMAL LAYOUT

AND VENTILATION


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4.0


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37-4041-4445-47

1-4 5-8 9-12

13-16 17-20 21-24

25-2829-3233-36

-2.0

-1.0

0.0

1.0

2.0

3.0

1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47

Channel no.

Windpressure(Pa)


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North

SE

OBTAIN WIND DATA FROM NEAREST

WEATHER STATION

PRELIMINARY SITE INVESTIGATION TO

IDENTIFY WIND FLOW DIRECTION FOR


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SE wind direction

N

OPTIMAL LAYOUT AND DESIGN


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Site managerment


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Site DevelopmentS t e p 2 : C h a p t e r 5 - 6 : S u s t a i n a b l e S i t e


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Developing Damaged Sites

E n v i r o n m e n t c h a n g i n g



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Reducing Disturbance




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Reducing Heat Island Effects




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Reducing Pollution from Building and

site l ighting




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Maximizing Eff iciency by Orientation


Managing SiteS t e p 2 : C h a p t e r 5 - 6 : S u s t a i n a b l e S i t e


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Water Runoff

C o n t r o l l i n g S e d i m e n t a t i o n

Managin SiteS t e p 2 : C h a p t e r 5 - 6 : S u s t a i n a b l e S i t e


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Stormwater Mana gement

Water EfficiencyS t e p 3 : C h a p t e r 7 : W a t e r E f f i c i e n c y


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Water-Eff icient Landscaping



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Water-Eff icient Bui ldings



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Recycling Wastewater

Energy for Building SystemsS t e p 4 : C h a p t e r 8 - 1 0 : E n e r g y & A t m o s p h e r e

Energy Efficiency


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Heating and Cooling systemsversus Renewable Energy

RenewableSources

EfficiencyMeasures

Background: Economic Reality


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Energy Sources AmongDeveloped World

Fossil

Fuels,

87% Renewabl

es, 10%

Clean

Energy,

3%

Renewables,

10%

Fossil Fuels,

62%

Efficiency,

25%

Clean Energy,

3%

g y

Energy for Building SystemsS t e p 4 : C h a p t e r 8 - 1 0 : E n e r g y & A t m o s p h e r e


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Passive Solar Heating and Cooling


PART I; Solar Water HeatingResidential


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Donald AitkenAssociates

PHAN 1: NC NONG NANG LNG MAT TRI TRONG NHA


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Donald Aitken

Associates

Passive Solar Water Heating for Cyprus Apartment BuildingNC NONG NANG LNG MAT TRI CHUNG C CYPRUS)


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Donald Aitken

Associates


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Donald Aitken

Associates

Global Solar Thermal Water Heating Market of 2 4

(accumulated totals)BIEU O S DUNG HE THONG NC NONG TOAN CAU

60 million m2


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Nan jing

(Slide courtesy of Huang Ming)


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Donald Aitken

Associates

An hui



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Donald Aitken

Associates

( y g g)

PART II: Active solar water heating-


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Donald Aitken

Associates

PART II: Active solar water heating

-Residential


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Donald Aitken

Associates

Yun nan



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Donald Aitken

Associates


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Donald Aitken

Associates

Single-tank active solar water heater


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Donald Aitken

Associates


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PART V: Photovoltaics (PV)ResidentialIEN NANG LNG MAT TRI


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Donald Aitken

Associates


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Really where it all started

the U S Space Program


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Donald Aitken

Associates

the U.S. Space Program


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Donald Aitken

Associates


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Donald Aitken

Associates

Providing Light & Satellite Global Education


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Donald Aitken

Associates

for Secondary Schools


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Donald Aitken

Associates


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Example: New Solar Products Make Building Integrated

Solar Cost-Effective and Invisible


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Donald Aitken

Associates

SAN PHAM PV MI THCH HP VI MY QUAN VA KHA

NANG SINH LI


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Donald Aitken

Associates


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Donald Aitken

Associates

PV provides for the entireelectrical system as well as for the

buildings. For example, PV onbuildings enhances urban energy

reliability. Heres how.


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(Slide courtesy of Isao Yukawa, Kyocera)

Efficiency First!

Th L k l d H P j t (Slid


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Donald Aitken

Associates

The Lakeland House Project (Slide

courtesy of FSEC)

Efficiency First(Slide courtesy of FSEC)


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Donald Aitken

Associates


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Zero Net Energy Housein Maine!Solar-heated radiant floor plus PV electricity

The Lord HouseSolar Design Associates


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www.solarhouse.com

Renewable energy and

th i i t ti ith hit t l


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ENERGY EFFICIENT DESIGN TRAINING PROGRAMMEFOR ARCHITECTS AND DESIGNERS

their integration with architectural

design

The Concept of

ZERO ENERGY BUILDING

A b ildi i b ildi h


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Headquarter

of Eawag,

Switzerland

Beddington Zero

Energy

DevelopmentLondon, UK

Zero Energy

Office, PTM

KL, Malaysia

Zero Energy

Building,

ZEB@BCA

Academy

A zero energy building (ZEB) or

net zero energy building

is a general term applied to buildings with a netenergy consumption of zero over a typical year

Definition

A zero energy building is a building that consumes

as much energy as it produces


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Why are we Designing and Building ZEB?

1. Building and Construction sector represents is a major

consumer of energy and resources in most cities and countries.

2. Once procured and delivered, a building continues to consume

energy resources for many years. Hence it is important to implementthe right standards and technologies urgently.

3. A ZEB provides a show case of what is doable and what is not.

It helps the industry to identify the appropriate technologies and

serves to build capacity.


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Concepts of ZEB: Functions

ZEB as

Normal Functional

Building

ZEB as a

Demonstration

Building

ZEB as an

Experimental

Building

Zero Energy

Home

(e.g. Beddington

ZEH)

Zero Energy

Office

(Forum Franbies

ZEO in KL)

ZEB @ BCA

Academy

Zero Energy Home Zero Energy Office Zero Energy Office/Lab ZEB Test Bedding Centre


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Concepts: Energy Achievements

Renewable

Energy

Generation

Business Functions,

Ventilation and

Indoor Environmental

Functions and Comfort

Net Energy

Consumption

Zero Energy

Building

Reduce

Consumption

to Lowest

Appropriate

Clean Energy

Source

High-Tech

Quality ZEB

as Showcase

True Objectives and Mission of ZEB


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ZEB Design Concept

Step 1: Reduce Fossil Fuel/Grid Consumption to MINIMUM

while ensuring comfort and healthy building performance.

Step 2: Optimise Renewable energy production

Step 3: Balance Fuel Consumption with Renewable Supplies.

Step 4: Ensure indoor environmental health, comfort and quality.

Adopting Integrated Total Approach for Energy Efficiency

Climate


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Urban Heat Island study, roof gardens and

vertical greening

Design

Total Building Performance, design processes and

new technologies.

ManagementLighting management, users tracking, Environment

reporting, energy balance.

People Personal feedback and control, personal energyaccount, awareness, training.

SystemsTechnologies

Single coil twin fan, personalised ventilation,

Energy efficient lighting, PV, BIPV and others.

Design Concept Step 1: Minimise Loads


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Minimise Loads

Design Concept Step 1: Minimise Loads

ZEB @ BCA Academy

Consumption

Air-ConLighting Appliances

EnergyEfficiencyIndexkWh

/m2

230

86

AverageOffice

ZEB


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Reduced Loads

ZEB @ BCA Academy

Consumption

Air-ConLighting

Design Concept Step 1a: Energy Efficient Facades

1. High performance facades

with ETTV of 35W/m2

2. Light-shelves for enhanced

day-lighting

3. Sunshading devices

4. Skylight


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Reduced Loads

ZEB @ BCA Academy

Consumption

Air-ConLighting

Design Concept Step 1b: Energy Efficient Services

1. Test-bed new Green-Star

chiller system.

2. Test-bed Single Coil Twin

Fan ventilation system.

3. Test-bed personalised

ventilation system.

4. T5 energy efficient lamps


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Reduced Loads

ZEB @ BCA Academy

Consumption

Air-ConLighting

Design Concept Step 1c: Energy Management System

1. Fully automated reporting building

2. Visitors tracking and occupancy

monitoring system

3. Lighting control

4. Subjective users feedback system

5. Facility management.

6. Energy metering and balancingIP Phone Personal

Control and account

Data trending and logging

Appliances


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ZEB @ BCA AcademySolar PV

Grid supplyConsumption

Air-ConLighting Appliances

Design Concept Step 2: Energy Balance

Grid up load

0

Net Zero

C f f ff


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Energy Consumption Profile of Energy Efficient Building

0

50

100

150

200

250

Average EE Bldg Advanced HVAC Innovations+

Ene

rgyEfficiencyInde

x(kWh/m2/yr)

Solar PV

Others

Lifts & Escalators

Lighting

HVAC

Solar

PV

Production

230

141

103

86 94

Cost of Energy Supply


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Coal Gas Nuclear Micro-

HydroWind Solar CHP

LevelisedCostp

erMWH(US$)

250

200

150

100

50

Types of Energy Supply

Renewables

5% discounted interest rate

10% discounted interest rate

EnergyUseEfficie

ncy(%)

0

20

40

60

80

100

Photo-VoltaicClean Energy System


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Installed for the following benefits:

1. Generation of Clean Electricity

which contributes to reduction of carbon emission.

2. Contribute to Green Building score for projects.

3. An investment into the future in view of theenergy stress the world is facing.

4. Contribute to capacity building for the nation.

5. Propagates good environmental practices.

System ConfigurationMain

Entrance

Canopy


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Trellis A Trellis B Trellis C

Canopy

AC

Distribution

Board

Loads

Monitoring and Measurements

Platform with CCTVs

Education

Corner @ Main Lobby

Integrated Building

Management System

Other Web-based

Management system

Glass

Laminates

Loads

Instruments

Energy for Building Systems


S t e p 4 : C h a p t e r 8 - 1 0 : E n e r g y & A t m o s p h e r e


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i n D i r e c t H e a t G a i n

Renewable Energy Sources

Photovoltaic (PV)



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Photovoltaic (PV)

E l e c t r i c i t y S t o r a g e w i t h P V

S y s t e m s


Photovoltaic (PV)



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Photovoltaic (PV)

G r i d - C o n n e c t e d P V s y s t e m s


Photovoltaic (PV)



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Photovoltaic (PV)

B u i l d i n g - M o u n t e d P V s y s t e m s

BUILDING INDUSTRYS t e p 1 : C h a p t e r 1 - 4 : I n t r o d u c t i o n t o G r e e n B u i l d i n g

Reduce the Use of Virgin Materials


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Reduce the Use of Virgin Materials

Principle : Using virgin materials uses up natural Resources. It alsocreates a lot of waste when virgin materials are thrown away.

BUILDING INDUSTRYS t e p 1 : C h a p t e r 1 - 4 : I n t r o d u c t i o n t o G r e e n B u i l d i n g

Manufacturer s Representation


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Manufacturer s Representation

Principle : Using virgin materials uses up natural Resources. It alsocreates a lot of waste when virgin materials are thrown away.

Manufacturers Representation

leed - fundamental of sustainable architecture

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