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Conventional Design VS.
Green Building Design
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Conventional Design
• Design based on local standard and regulation.
• Design based on owner’s project requirements (OPR).
Green Integrated Building Design
• More stringent building code.
• Reduce energy usage.
• Enhance human health and comfort.
• Enhance community quality of life.
• Reduce contribution to Global Climate Change.
• Properly selected and utilize renewable energy.
• Increase building value.
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• Design based on local standard and regulation.
EIT Standard.
Ministerial Regulation.
• Design based on owner’s project requirements (OPR).
Not stringent Optimization.
Less integrated multi-disciplinary design.
Conventional Design
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Green Integrated Building Design by TEAM
• More stringent building code.
TREES, LEEDS or another international code.
• Reduce energy usage.
High efficiency equipment.
Using an automatic control system.
• Enhance human health and comfort.
Increase air quality inside the building.
• Enhance community quality of life.
Clean building (none toxic).
Economic growth.
• Reduce contribution to Global Climate change.
Non CFC, HCFC and Halon
• Properly selected and utilize renewable energy.
Hydro Power, Solar Photovoltaic and Wind Turbine.
• Increase building value.
Increase credibility.
Core and shell building.
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System Changed for Green Integrated Building Design
Fire Protection System
HVAC System
Building Automation
System
Sanitary System
Electrical and Control
System
Main
Objective
Changed
Lift, Escalator and
Moving Walk
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System Changed for Green Integrated Building Design
• Electrical and Control System
Daylight Optimization
Lighting Control
• Sensor
• Timer
• Non-tracking System
• Tracking System
T8
LED
T5
Energy Saving Light Bulb
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System Changed for Green Integrated Building Design
• Sanitary System
• Water Supply for Landscape
Time Control
Drip Irrigation
• Water Saving Sanitary Ware
• Automatic Sensor
• Recycled Water Process
Drip Irrigation Time Control
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System Changed for Green Integrated Building Design
• Lift, Escalator and Moving Walk
Motion Sensor
Escalator Moving Walk
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System Changed for Green Integrated Building Design
• Fire Protection System
Using Clean Agent Fire Protection
Halon Fire Protection Novec and N2 Fire
Protection
Lighting
Lift & Escalator
Access Control
HVAC
CCTV
Fire Alarm
Plumbing
Gas
• The design of building automation system for energy saving
Building Automation System (BAS)
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Overview
Residential Building Private Hospital Office Building
• Three project examples for energy simulation by eQUEST simulation program.
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Project Introduction
Location: Bangkok, Thailand
The building consists of 25-floors,
out of which 20 floors are regularly
occupied with typical floor plans &
2 penthouse floors with typical
floor plan as well.
Residential Building
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Technical Changed for Residential Building
Conventional Green Building
Standard and Regulation EIT TREES
Air Condition System
Split Type Normal Inverter
Coefficient of Performance (COP) 2.8 4.3
Energy Efficiency Ratio (EER) 9.6 14.5
Fresh Air Intake 3 CFM / Sq.m. 3 CFM / Sq.m.
Electrical and Control System
Light Bulb T8 LED
Lighting Power Density (LPD) 12 w / Sq.m. 7 w / Sq.m.
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Energy Simulation for Residential Building
• Electric Consumption kWh (x1000)
Conventional Design Green Integrated Building Design (TREES)
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Energy Simulation for Residential Building
• Annual Energy Consumption Simulation summary
Using Green Building Design
Space Cool (conditioned area):
Energy saving by 36%
Ventilation Fans :
Energy saving by 2%
Area Lights (indoor lighting) :
Energy saving by 22%
TOTAL ENERGY SAVING 21%
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Project Introduction
Location: North of Thailand
The building consists of 14
floors including basement
and all the facility area with
total area of 23,300 square
meters.
Private Hospital
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Technical Changed for Private Hospital
Conventional Green Building
Standard and Regulation ASHRAE LEEDS
Air Condition System
Chiller Water Cooled Screw Screw High Efficiency
Coefficient of Performance (COP) 4.9 5.9
Energy Efficiency Ratio (EER) 16.7 20.1
Total Cooling Capacity 950 Tr 950 Tr
Fan Power Consumption 0.001308 kw / CFM 0.000627 kw / CFM
Electrical and Control System
Light Bulb T8 T5
Lighting Power Density (LPD) 13 w / Sq.m. 9.7 w / Sq.m.
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Energy Simulation for Private Hospital
• Electric Consumption kWh (x1000)
Conventional Design Green Integrated Building Design (LEEDS)
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Energy Simulation for Private Hospital
• Annual Energy Consumption Simulation summary
Using Green Building Design
Space Cool (conditioned area) :
Energy saving by 24%
Heat Rejection (cooling tower) :
Energy saving by 30%
Ventilation Fans :
Energy saving by 40%
Pumps & Auxiliary :
Energy saving by 14%
Ext. Usage (outdoor lighting) :
Energy saving by 22%
Area Lights (indoor lighting) :
Energy saving by 25%
TOTAL ENERGY SAVING 20%
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Project Introduction
Location: Bangkok, Thailand
The building consists of 28 floors
(high rise) and all the facility area
with total area of 95,000 square
meters.
Office Building
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Technical Changed for Office Building
Conventional Green Building
Standard and Regulation ASHRAE LEEDS
Air Condition System
Chiller Water Cooled Centrifugal Centrifugal High Efficiency
Coefficient of Performance (COP) 5.3 6.2
Energy Efficiency Ratio (EER) 18 21.2
Total Cooling Capacity 5600 Tr 5600 Tr
Fan Power Consumption 0.001147 kw / CFM 0.00079 kw / CFM
Electrical and Control System
Light Bulb T5 LED
Lighting Power Density (LPD) 10.8 w / Sq.m. 8.2 w / Sq.m.
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Energy Simulation for Office Building
• Electric Consumption kWh (x1,000,000)
Conventional Design Green Integrated Building Design (LEEDS)
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Energy Simulation for Office Building
• Annual Energy Consumption Simulation summary
Using Green Building Design
Space Cool (conditioned area) :
Energy saving by 14%
Heat Rejection (cooling tower) :
Energy saving by 55%
Ventilation Fans :
Energy saving by 47%
Pumps & Auxiliary :
Energy saving by 15%
Ext. Usage (outdoor lighting) :
Energy saving by 66%
Area Lights (indoor lighting) :
Energy saving by 24%
TOTAL ENERGY SAVING 19%
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Advantage of Energy Simulation
• Consideration for green buildings
Equipment high efficiency.
Control strategies system optimization
Consider energy recovery
Avoid oversizing of cooling equipment
Savings in process energy
Integrate with architects
• An detailed energy model assists with following features:
Equipment sizing.
Benchmarking for verification.
Design optimization.
A validated estimation of impact of energy saving option with well
documented assumptions.
Earn green building certification credits.
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Overview
Project Example for Daylight Simulation
Residential Building Typical Floor Plan
Typical Penthouse
Floor Plan
Daylight Simulation Program
• Day Sim Simulation
• Eco Tech Simulation
Consist of…
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Project Introduction
Location: Bangkok, Thailand
The building consists of 25-floors,
out of which 20 floors are regularly
occupied with typical floor plans &
2 penthouse floors with typical
floor plan as well.
Residential Building