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Becoming the World’s Tallest Green Building
– TAIPEI 101 Case Study
Cathy Yang Vice President Taipei Financial Center Corp. Green Buildings and Sustainable Technologies, Hong Kong 5-6 June, 2012
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TAIPEI 101
Previously the
world’s tallest
building
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SITE PLAN
Shopping
Mall
Office Tower
Lot Size
• 30,277 sqm
Tower
• 198,000 sqm
Shopping Mall
• 77,000 sqm
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TAIPEI 101 TOWER
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TAIPEI 101 MALL
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TAIPEI 101 OBSERVATORY
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6 Characteristics
• T echnology
• A rt
• I nnovation
• P eople
• E nvironment
• I dentity
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• No. of floors
• New beginning
• Digital age
TAIPEI 101 • First lesson about Taipei
NAMING TAIPEI 101
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TOP 10 TALLEST BUILDINGS
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by CTBUH 1. Burj Khalifa Dubai (UAE) 828M 163F 2010
2. TAIPEI 101 Taipei (Taiwan) 508M 101F 2004
3. Shanghai WFC Shanghai (CN) 492M 101F 2008
4. ICC Hong Kong (CN) 484M 108F 2010
5. Petronas Tower I Kuala Lumpur (MY) 452M 88F 1998
5. Petronas Tower II Kuala Lumpur (MY) 452M 88F 1998
7. Zifeng Towe Nanjing (CN) 450M 66F 2010
8. Willis Tower Chicago (US) 442M 108F 1974
8. Kingkey 100 Shenzhen (CN) 442M 100F 2011
10. Guangzhou IFC Guangzhou (CN) 439M 103F 2010
10 TALLEST in 2020
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by CTBUH 1. Kingdom Tower Jeddah (SA) 1000M 156F 2018
2. Burj Khalifa Dubai (UAE) 828M 163F 2010
3. Ping An Finance Cener Shenzhen (CN) 660M 115F 2015
4. Seoul Light DMC Tower Seoul (KR) 640M 130F 2017
5. Signature Tower Jakarta Jakarta (IN) 638M 111F 2016
6. Shanghai Tower Shanghai (CN) 632M 121F 2014
7. Wuhan Greenland Center Wuhan (CN) 606M 118F 2015
8. Makkah Royal Clock Twr Htl Mecca (SA) 601M 120F 2012
9. Goldin Finance 117 Tianjin (CN) 597M 128F 2015
10. Lotte World Tower Seoul (KR) 555M 123F 2015
• Currently 51 buildings in the world over 300M, but over 100 are
under construction.
BUILDING ENVELOPE
Non-reflective Double Low-E Glass Curtain Wall 10
EMCS Energy Management and Control System
Monitoring:
- VAC Related
- Lighting
- Fire Management
- Generators
- Tenant Power
Ventilation Air-Con System
- Ice Storage Tank
- AHU w/ CO2 sensor on mechanical fls
- VAV boxes on each floor
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Rainwater Harvesting /
Grey Water System
WATER CONSERVATION
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Off hour toilet lights by pushing button at lift lobby
Public area lighting 7:30 am till 7:30 pm, motion sensor for basic lighting for off hours
Garbage chute inlet
Window blinds
provided
Pantry with drinking
water / boiler
TYPICAL FLOOR
T5 light tube
throughout
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NON-SMOKING ENVIRONMENT
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Garbage Collection System
Garbage Sorting / Recycling Station
55% Recycle ratio
WASTE PROGRAM
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ENERGY SAVING EFFORTS
System 2007 2008 2009
VAC
systems
52% 51% 52%
Lighting 31% 33% 34%
Elevators 11% 10% 8%
Others 6% 6% 6%
• Focus: VAC System & Lighting
• Goal: 5% saving every year
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SAVING FROM AIR-CON
• Adjust public area temperature to 25-26℃
• Adjust AHU cool air temperature to 13-14℃
• Fix VAV thermostat to 23-25℃
• Modify chiller plant operating schedule (for
ice storage/melting)
• Modify chilled water distribution according
to actual tenant requirements
• Regular cleansing of AHU valves
• Re-fix door frame to keep doors shut or add
air curtain
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SAVING FROM LIGHTING
• Review all public lighting, no. of tubes and schedule
• Mechanical floors changed to two way
switch
• Parking lot lights from halogen to T5
tubes and relocating to proper location
• Refuge room installed motion detector
• Staircase floor indicator lights changed
to T5 tubes and reduced no. of tubes
• Service lift lobby installed switch
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Compared to 2007 EUI, 2008-2011 4 years
Saved 54.23 mil KWH power = US$4.4 millions
Reduced 36,877 tons carbon emission
*EUI – Energy Use Intensity
ENERGY SAVING – whole complex
Year 2007 2008 2009
Consumption(KWH) 95,820,200 96,048,000 90,993,080
Area in Use M2 318,372 339,707 344,915
EUI (KWH/M2) 300.97 282.74 263.81
Saving from
previous year 6.1% 6.7%
2011/2007 20% saving
2008 & 2009 Total Investment US$391,000; Saving: US$1.5 million
2010 2011
89,858,598 85,103,600
346,396 351,929
259.41 241.82
1.7% 6.8%
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*EUI – Energy Use Intensity
ENERGY SAVING – Office Tower
Year 2007 2008 2009 2010 2011
Consumption(KWH) 41,140,800 41,548,800 41,167,280 41,058,398 41,880,000
Area in Use M2 141,094 162,866 170,395 171,064 178,131
EUI (KWH/M2) 291.59 255.11 241.60 240.02 235.11
Saving from
previous year 12.5% 5.3% 0.7% 2.1%
2011/2007 19% saving
• Public power saving from 2007 to 2011 is 26% !
• Energy Star performance rating for 2010 reached 86 !
• LEED – Leadership in Energy and Environmental Design
• CS – Core and Shell
• NC – New Construction
• EBOM – Existing Building Operation and Maintenance
2009 version
• Commercial Interior
• Neighborhood
• Hotel
USGBC LEED SYSTEM
• LEED is US Green Building Council’s standard
• LEED has been for 12 years and took off in 2008
• LEED is the most recognized rating system in the world
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LANDLORD’S CONSIDERATION
Benefits: - Actual Cost Saving
- Third party verification / health
checkup
- Competitive Advantage in Leasing
- Corporate Image
- Corporate Social Responsibility
Challenges: - Shareholders Endorsement
- Allocate Sufficient Funding
- Staff Commitment
- Tenant Participation
- Quality of Consultants
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FOR LEASING
Tenant’s Benefits:
- Actual Operational Cost
Saving
- Better Indoor Environment
good for work efficiency
- Good PR and feel good for
employees
Current Status in Asia:
- Governments have yet to
request such standards
- Tenants love the idea
- MNCs have yet to make it a
relocation criteria
- Landlords need to sell the
benefits to tenants better
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LEED EBOM POINTS
1. Sustainable Site 26
2. Water Efficiency 14
3. Energy and Atmosphere 35
4. Materials and Resources 10
5. Indoor Environmental Quality 15
6. Innovation in Operations 6
7. Regional Priority Credits 4
Total: 110
Category and Points
- Platinum 80-110
- Gold 60-79
- Silver 50-59
- Certified 40-49
Level
- Prerequisites 9 331K
- Low / no cost 32 13K
- Moderate cost 4 600K
- High cost 6 909K
Total: 51 projects
Actual cost: < US$2,000,000
Projects Identified
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PROJECT EXAMPLES Energy and Atmosphere
- VAV sensors calibration
- Chiller plant optimization program
- Sub-metering plants and equipment
- Implement energy audit and verification
Water Efficiency
- Replace toilet flush valve, urinal flush valve, install aerators in sink
- Alter irrigation system and utilize rain water
Indoor Environment Quality
- Air flow measurement
- Install humidity sensors
- Install more CO2 sensors
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PERFORMANCE
Energy and Atmosphere (EA)
- Over 30% better in energy performance than average building
- Monitoring and recording 40% of total energy usage
Water Efficiency (WE)
- Decrease potable water usage by 30%
- 625 SM of on-site landscape uses 100% rainwater
Sustainable Site (SS)
- All parking spaces are in basement
- 84% building occupiers take public transportation to work every day.
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Material and Resources (MR)
- Waste management program recycle rate up to 71%
- Low-mercury and no-mercury lamp fixtures with only 58.5 picograms (standard is 90)
Indoor Environment Quality (IEQ)
- Utilizes CRI* approved vacuum cleaners for better cleaning efficiency and healthier environment, an average score of 1.61 Orderly Spotlessness.
- Over 65% of tenant occupied space enjoy exterior view
- Smoke free and applies high levels of outdoor filtered air
PERFORMANCE
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June 2009 LEED Registration
Whole 2010 Alteration projects and documentation
Nov. 2010 – Jan. 2011 Performance Period
April 2011 Submission
July 2011 Achieved LEED EBOM Platinum 28
TAIPEI 101 LEED CERTIFICATION
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Existing Building Operation & Maintenance
TAIPEI 101 LEED CERTIFICATION
- Only 5% are Platinum
- Only 2 Platinum buildings are over
100,000 s.m.
- EBOM is the trend
TAIPEI 101 is the
largest and tallest
Green Building in the
World!
What is your
Green Commitment?
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