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Presented by…Mrs. Ruengvarayudh PradittasaneAssistant Director, Design and Construction Management Division-Technical,
andMr.Riangsorn Techasiriwan, Engineer level 7
Presented by…Mrs. Ruengvarayudh PradittasaneAssistant Director, Design and Construction Management Division-Technical,
andMr.Riangsorn Techasiriwan, Engineer level 7
EGAT Head Office EGAT Head Office
22
ASA green building awards by the Association of Siamese Architects Under Royal Patronage.
Thailand energy awards 2009 for excellence in energy conservation of innovative building (new and existing building) by the Department of Alternative Energy Development and Efficiency, Ministry of Energy.
ASEAN energy awards 2009 for energy efficient building competition(new and existing building) by ASEAN Center for Energy (ACE).
The Emerson Cup 2009 for honorary prize: innovation of human comfort byEmerson Climate Technologies.
Awards winning
3
The background and informationDesign Concept of Energy Saving
1. Create the green and cool environment .2. Maximize natural daylight but minimize the heat gained.3. A pilot project building.4. The high efficiency engineering system.5. Management and maintenance.6. Environmental Impacts.
The presentation consists of:
4
The background and information.
5
EGAT Head Office InformationEGAT Head Office InformationRegarding to the approval in principle ofEGAT Administrative Board to develop the master plan of its Head Office premises including the North Bangkok Power Plant area and also the budget approval for the construction of this new Head Office to replace the unfunctional building effected by the construction of the new North Bangkok Power Plant, this project will help improving not only life and environmental quality but also the utilization of land as indicated in the master plan.
6
EGAT Head Office
The new North Bangkok Power Plant
Master plan of EGATMaster plan of EGAT
7
EGAT Head Office InformationEGAT Head Office InformationThe construction of the building was started on
Nov. 8,2004 and completed for official use on Nov. 8,2007.
• The building has 20 stories and a basement.
• Total gross floor area ............................. 40,123 m2
• Total number of occupants ...................…2,786 people.
• Air-conditioned area............................. 30,675 m2
• Non-air conditioned area........................ 9,448 m2
Surface area of the envelope
• Including the roof deck to gross floor area ratio.......0.47
• Plot ratio (total GFA / ground area)..........................0.12
8
NN
T.040• (Parking and Convention Building)
EGAT Head Office Building
EGATEGAT Head Office LayoutHead Office Layout
T.031
T.100
T.101
9
Basement : Chiller pump room, chiller room and electrical room.
1st Floor : Lobby, BAS room.
4th – 19th Floor : Office area
2nd - 3rd Floor : Library
20th Floor : Conference rooms
Roof deck 1st – 3rd : Heat exchanger system area, roof tank and helipad.
10
The design of the EGAT Head Office is the integration of the building and the surrounding to gain “not only an office but a pleasant place to work” within the concept of energy-saving building.
11
The design concept of energy saving
12
1. Create the green and cool environment around the building for the benefit of cooling down the temperature by.
oUtilizing the landscape can help reduce the ambient temperature by 3-5 c.
13
Rubber Plant (Ficus robusta),
Peace Lily (Spathiphyllum clevelandii),
Boston Fern (Nephrolepis exaltata ),
Red Emerald Philodendron (Philodendron erubescens ),
Gerbera Daisy (Gerbera jamesonii ),
Areca Palm (Chrgsalido carpus lutesers).
1. Create the green and cool environment around the building for the benefit of cooling down the temperature by.Some of the trees and shrubs are pollution-absorbing.
14
2. The building was properly oriented in order to maximize natural daylight but minimize the heat gained by:
2.1 Orientation :
• Shading of the back side • Shading of the front side • Locate the building in the proper direction
2.2 Select the shape of the building
15
2. The building was properly oriented in order to maximize natural daylight but minimize the heat gained by:
2.3 Buffer zone :
• Typical Floor Plan
16
2. The building was properly oriented in order to maximize natural daylight but minimize the heat gained by:
2.4 Shading :
• The canopy in front of the main entrance • The aluminium shading
17
2. The building was properly oriented in order to maximize natural daylight but minimize the heat gained by: 2.5 The use of insulating material :
Curtain wall (insulating laminated glass)
Solid panel
พื้นภายในอาคาร
หนา 1.2 ม.ม.
18
2. The building was properly oriented in order to maximize natural daylight but minimize the heat gained by:
2.6 Building envelop :
The South-East Façade The South-West Façade The North-East FaçadeThe North-West Façade
OTTV = 33.8 W/m2.OTTV = 33.8 W/m2. OTTV = 37.8 W/m2.OTTV = 37.8 W/m2. OTTV = 25.0 W/m2.OTTV = 25.0 W/m2. OTTV = 42.5 W/m2.OTTV = 42.5 W/m2.
Total overall heat transfer through building envelope : Wall 35.7 W/m2 ; Roof 22.3 W/m2
Thai regulation New building 45 W/m2
19
2. The building was properly oriented in order to maximize natural daylight but minimize the heat gained by: 2.7 Natural light and natural ventilation :
The typical office floor plan.
The staircase hall.
20
3. Aiming to be an educated building and a pilot project by using “BIPV” and “Thermal storage system”.
The picture shows solar panels installed on the south east façade of the building from 2-20th floor
Solar panel Solar panel
3.1 BIPV3.1.1 Architectural design concept:
Using BIPV (Building Integrated Photovoltaic) as a part of the curtain wall.
21
Floor
1.2 mm.
2” rock wool -
60 kg/m3
ceiling
ceiling
insu
latio
nin
sula
tion
PV modules mounted on the South-east façade which replace conventional spandrel glass can maximize the electricity generated in the summer and rainy season. It’s embeded inside laminated glass with 2 inches of rock wool insulator and 1.2 mm. of galvanized backing sheet.
22
3.1.2 Engineering detailed design
Thickness16 mm
+
-
Heat Strengthen Glass
Float Glass
PVB PVB
Amorphous Silicon/Al 1 Micron
Side of solar cell
23
Computer F1
Solar Modules Fl. 19+20
Solar Modules Fl. 17+18
Solar Modules Fl. 15+16
Solar Modules Fl. 13+14
Solar Modules Fl. 11+12
Solar Modules Fl. 9+10
Solar Modules Fl. 7+8
Solar Modules Fl. 5+6
Solar Modules Fl. 2+3+4
Inverter SB2800i Watt, Fl. 19
Inverter SB2800i Watt, Fl. 17
Inverter SB2800i Watt, Fl. 15
Inverter SB2800i Watt, Fl. 13
Inverter SB2800i Watt, Fl. 11
Inverter SB2800i Watt, Fl. 9
Inverter SB2800i Watt, Fl. 7
Inverter SB2800i Watt, Fl. 5
Inverter SMC5000A Watt, Fl. 3
Data Logger F19
LCD 46” F1
LED 2 meter F1
Pyranometer (Solar Radiation) F21
Lighting Panel F17
Dis
trib
uted
line
of t
he b
uild
ing
DC
DC
DC
DC
DC
DC
DC
DC
DC
ACLighting Panel F19
Lighting Panel F15
Lighting Panel F13
Lighting Panel F11
Lighting Panel F9
Lighting Panel F7
Lighting Panel F5
Lighting Panel F3
AC
AC
AC
AC
AC
AC
AC
AC
RS485
RS485
RS485
24
• Peak power 27 kWp• 428 modules, 642 sq.m. (size of 1.00 x 1.50 m.) • No battery use• Electricity Generation: 21,000 kWh/year• CO2 reduction: 11 tons/year
Solar PanelSolar Panel
25
As of Jan. 28, 2010
Solar PowerSolar Power
26
A system for demand side management
CHS (Clathrate Hydrate Slurry) Storage Media
Supported by Japanese Government (NEDO)
Capacity: 1,000 RT.HR.
3.2 Thermal Storage System (CHS)
27
Thermal Storage System(Clathrate Hydrate Slurry : CHS)
Thermal Storage System(Clathrate Hydrate Slurry : CHS)
+0. 50
+0. 50 หองน ้ํา 5
หองล างจาน
โรงอาหาร+0. 60
ทางบริ การ+0. 55
+0. 50ทางเ ดิ น
ข้ึน
+0. 55เ อนกประสงค
ลง
+0. 50
ข้ึน
+1.45
โถงบ ันไดหน ีไฟ
ล ิฟท 2
FHC.
F HC.
ข ึ้น
ข้ึนระเ บ ียง
หองน ้ํา 1
หองน ้ํา 3 +1.50FHC.
+1.45
+1.50
F HC.
ข้ึน
หองจนท. รปภ. 1+1.50
+1.50 โถงลิ ฟท 1
ลง
โถงพ ักคอย+1.50
ระเบ ียง+1.45
หองอุ ปกรณ ไฟฟ า 1
+1.50
+1.50+1.45
หองน ้ํา 2
+0.25
หองน ้ํา 7
STOR AGE TANK
หองแบตเ ตอร่ี
ข้ึน
สายโทรศั พท +1. 50
หองกระจาย
+0. 50
+0. 50
+1. 50
+0. 55
FHC.
หองอุ ปกรณ
โถงลิ ฟท 3
ไฟฟ า 2
ร านกาแฟ
+0. 50 หองน ้ํา 6
+0. 60
+0. 60 รปภ . 2 หองจนท .
+0. 55
ลง
+1. 50หองชุ มสายโทรศั พท
ลง ข้ึน
เอนกประสงค+0.55
ข้ึนลง
Pipe line system
Thermal Storage Room
CHILLER PLANT
Equipments of CHS system
EGAT Head Office
T.040(Parking and Convention Building)
28
4. High efficiency engineering system
• Air conditioning & Ventilation system
• Lighting system
• Indoor Air Quality
• Lift System
29
• Air conditioning & Ventilation system
– Design Concept – With Low Flow Design :
– Chiller : 3 units of 500 TR (0.64 kW/TR) centrifugal water cooled chiller
1 unit of 250 TR (0.64 kW/TR) screw water cooled chiller
– Variable Water Volume (VWV) with Variable Speed Drive (VSD)
– Fanless Cooling Tower
– Automatic Condenser Tube Cleaning
– Variable Air Volume (VAV) with Variable Speed Drive (VSD)
– Air to Air Heat Exchanger
30
• Lighting System
– Active Design : BAS Control
– Passive Design : 32 W fluorescent lamp,
Electronic ballast
• Indoor Air Quality– Ventilation rate : 20 cfm/person
– Air filter and electronic air cleaner
• Lift System– Passenger Lift : 7 cars, 1600 kg/car
– Fireman Lift : 1 car, 1,000 kg/car
31
Energy saving breakdown
Saving 45% comparing to the normal standardSaving the electrical power unit about 3,835,000 units/yearElectrical power from lighting system can be reduced 800,000 units/yearElectricity generation from BIPV (solar cell) is 21,526 units/yearThe reduction of CO2 emission is 11 tons/year
32
5.1 System management
5. Management and maintenance
• Air conditioning & Ventilation system
• Lighting system
• Sanitary system
• Chiller plant manager
• Fire alarm system
• Access control
33
Building Automation System (BAS)Building Automation System (BAS)
34
Building Automation System (BAS)Building Automation System (BAS)
35
Building Automation System (BAS)Building Automation System (BAS)
36
Building Automation System (BAS)Building Automation System (BAS)
37
Building Automation System (BAS)Building Automation System (BAS)
38
5.2 Maintenance programs
• Manpower: 14 officers, 2,520 man-hr/yr
• Maintenance contractor: Building System Department,
General Services Division
• Availability of energy management: 2 engineers• Training of maintenance workers: 48 cumulative hours/yr.
39
6. Environmental Impacts
6.1 Waste management• Waste water• Garbage
6.2 Pollution management• Air• Visual• Non-toxic Material and Equipment
40
Thank youThank youandand
Q & AQ & A
EGAT Head Office, EGAT (Electricity Generating Authority of Thailand)Email - Architect : [email protected] - Engineer : [email protected]. 662-436-1901 Fax. 662-436-1999
21
Floor
1.2 mm.
2” rock wool -
60 kg/m3
ceiling
ceiling
insu
latio
nin
sula
tion
PV modules mounted on the South-east façade which replace conventional spandrel glass can maximize the electricity generated in the summer and rainy season. It’s embeded inside laminated glass with 2 inches of rock wool insulator and 1.2 mm. of galvanized backing sheet.
22
3.1.2 Engineering detailed design
Thickness16 mm
+
-
Heat Strengthen Glass
Float Glass
PVB PVB
Amorphous Silicon/Al 1 Micron
Side of solar cell
23
Computer F1
Solar Modules Fl. 19+20
Solar Modules Fl. 17+18
Solar Modules Fl. 15+16
Solar Modules Fl. 13+14
Solar Modules Fl. 11+12
Solar Modules Fl. 9+10
Solar Modules Fl. 7+8
Solar Modules Fl. 5+6
Solar Modules Fl. 2+3+4
Inverter SB2800i Watt, Fl. 19
Inverter SB2800i Watt, Fl. 17
Inverter SB2800i Watt, Fl. 15
Inverter SB2800i Watt, Fl. 13
Inverter SB2800i Watt, Fl. 11
Inverter SB2800i Watt, Fl. 9
Inverter SB2800i Watt, Fl. 7
Inverter SB2800i Watt, Fl. 5
Inverter SMC5000A Watt, Fl. 3
Data Logger F19
LCD 46” F1
LED 2 meter F1
Pyranometer (Solar Radiation) F21
Lighting Panel F17
Dis
trib
uted
line
of t
he b
uild
ing
DC
DC
DC
DC
DC
DC
DC
DC
DC
ACLighting Panel F19
Lighting Panel F15
Lighting Panel F13
Lighting Panel F11
Lighting Panel F9
Lighting Panel F7
Lighting Panel F5
Lighting Panel F3
AC
AC
AC
AC
AC
AC
AC
AC
RS485
RS485
RS485
24
• Peak power 27 kWp• 428 modules, 642 sq.m. (size of 1.00 x 1.50 m.) • No battery use• Electricity Generation: 21,000 kWh/year• CO2 reduction: 11 tons/year
Solar PanelSolar Panel
25
As of Jan. 28, 2010
Solar PowerSolar Power
26
A system for demand side management
CHS (Clathrate Hydrate Slurry) Storage Media
Supported by Japanese Government (NEDO)
Capacity: 1,000 RT.HR.
3.2 Thermal Storage System (CHS)
27
A system for demand side management
CHS (Clathrate Hydrate Slurry) Storage Media
Supported by Japanese Government (NEDO)
Capacity: 1,000 RT.HR.
3.2 Thermal Storage System (CHS)
28
Thermal Storage System(Clathrate Hydrate Slurry : CHS)
Thermal Storage System(Clathrate Hydrate Slurry : CHS)
+0. 50
+0. 50 หองน ้ํา 5
หองล างจาน
โรงอาหาร+0. 60
ทางบริ การ+0. 55
+0. 50ทางเ ดิ น
ข้ึน
+0. 55เ อนกประสงค
ลง
+0. 50
ข้ึน
+1.45
โถงบ ันไดหน ีไฟ
ล ิฟท 2
FHC.
F HC.
ข ึ้น
ข้ึนระเ บ ียง
หองน ้ํา 1
หองน ้ํา 3 +1.50FHC.
+1.45
+1.50
F HC.
ข้ึน
หองจนท. รปภ. 1+1.50
+1.50 โถงลิ ฟท 1
ลง
โถงพ ักคอย+1.50
ระเบ ียง+1.45
หองอุ ปกรณ ไฟฟ า 1
+1.50
+1.50+1.45
หองน ้ํา 2
+0.25
หองน ้ํา 7
STOR AGE TANK
หองแบตเ ตอร่ี
ข้ึน
สายโทรศั พท +1. 50
หองกระจาย
+0. 50
+0. 50
+1. 50
+0. 55
FHC.
หองอุ ปกรณ
โถงลิ ฟท 3
ไฟฟ า 2
ร านกาแฟ
+0. 50 หองน ้ํา 6
+0. 60
+0. 60 รปภ . 2 หองจนท .
+0. 55
ลง
+1. 50หองชุ มสายโทรศั พท
ลง ข้ึน
เอนกประสงค+0.55
ข้ึนลง
Pipe line system
Thermal Storage Room
CHILLER PLANT
Equipments of CHS system
EGAT Head Office
T.040(Parking and Convention Building)
29
4. High efficiency engineering system
• Air conditioning & Ventilation system
• Lighting system
• Indoor Air Quality
• Lift System
30
• Air conditioning & Ventilation system
– Design Concept – With Low Flow Design :
– Chiller : 3 units of 500 TR (0.64 kW/TR) centrifugal water cooled chiller
1 unit of 250 TR (0.64 kW/TR) screw water cooled chiller
– Variable Water Volume (VWV) with Variable Speed Drive (VSD)
– Fanless Cooling Tower
– Automatic Condenser Tube Cleaning
– Variable Air Volume (VAV) with Variable Speed Drive (VSD)
– Air to Air Heat Exchanger
31
• Air conditioning & Ventilation system
– Design Concept – With Low Flow Design :
– Chiller : 3 units of 500 TR (0.64 kW/TR) centrifugal water cooled chiller
1 unit of 250 TR (0.64 kW/TR) screw water cooled chiller
– Variable Water Volume (VWV) with Variable Speed Drive (VSD)
– Fanless Cooling Tower
– Automatic Condenser Tube Cleaning
– Variable Air Volume (VAV) with Variable Speed Drive (VSD)
– Air to Air Heat Exchanger
32
• Air conditioning & Ventilation system
33
• Air conditioning & Ventilation system
34
• Air conditioning & Ventilation system
35
• Lighting System
– Active Design : BAS Control
– Passive Design : 32 W fluorescent lamp,
Electronic ballast
• Indoor Air Quality– Ventilation rate : 20 cfm/person
– Air filter and electronic air cleaner
• Lift System– Passenger Lift : 7 cars, 1600 kg/car
– Fireman Lift : 1 car, 1,000 kg/car
36
Energy saving breakdown
Saving 45% comparing to the normal standardSaving the electrical power unit about 3,835,000 units/yearElectrical power from lighting system can be reduced 800,000 units/yearElectricity generation from BIPV (solar cell) is 21,526 units/yearThe reduction of CO2 emission is 11 tons/year
37
5.1 System management
5. Management and maintenance
• Air conditioning & Ventilation system
• Lighting system
• Sanitary system
• Chiller plant manager
• Fire alarm system
• Access control
38
Building Automation System (BAS)Building Automation System (BAS)
39
Building Automation System (BAS)Building Automation System (BAS)
40
Building Automation System (BAS)Building Automation System (BAS)
41
Building Automation System (BAS)Building Automation System (BAS)
42
Building Automation System (BAS)Building Automation System (BAS)
43
5.2 Maintenance programs
• Manpower: 14 officers, 2,520 man-hr/yr
• Maintenance contractor: Building System Department,
General Services Division
• Availability of energy management: 2 engineers• Training of maintenance workers: 48 cumulative hours/yr.
44
6. Environmental Impacts
6.1 Waste management• Waste water• Garbage
6.2 Pollution management• Air• Visual• Non-toxic Material and Equipment
45
Thank youThank youandand
Q & AQ & A
EGAT Head Office, EGAT (Electricity Generating Authority of Thailand)Email - Architect : [email protected] - Engineer : [email protected]. 662-436-1901 Fax. 662-436-1999