NEW CIVIC CENTER Gordona 2016
Building Technology Studio B a.y. 2015/2016 Teachers: prof. arch. L. M. F. Fabris, prof. eng. A. Magri, prof. eng. S. Zabot Collaborators: arch. Gabriele Tavasci, eng. Claudio Sosio De Rosa, eng. Dolf Van Hattem
Group 16 Jacopo Abbate, Xu Chenpeng, Alexandra Stepanova
Concept
.2
N
Functions
Shading
street
Orientation the Summer Solstice
exhibition
Equinox
auditorium
the Winter Solstice
laboratory kindergarten elderly center
library
W
E
bar 21째
44째
67째
S
RO
Project
.3
MA
masterplan
MA
O IA R
V
south elevation
axonometric view
north elevation
Kidergarten+Elderly center .4
A’
C’
A
B
B’
C
ground floor
first floor
second floor
AA’ section
BB’ section
FF’ section
New building .5
Exhibition/Laboratory section
underground floor
ground floor
Longitudinal section
Auditorium section
.6
.7
.8
.9
3 4
Transmittance Values
New Building
5
Kindergarten+Elderly center
1
.10
1 2 3 4 5 6 7 8 9 10
4 5
2 3
VENTILATED ROOF
1 2 1 2 3 4 5 6 7 8 9 10 3 4 5 6 7 8
1 2 3 4 5
1 2
λ
(mm)
(W/m*K)
(m2K/W)
Gypsum plaster
0,02
0,7
0,029
OSB panel
0,03
0,130
0,231
0,2
0,037
5,405
0,0007
0,170
0,004
Air cavity Wooden board Waterproof layer
0,02 0,05 0,0007 0,05 0,03 0,0007
0,150 0,037 0,170 0,026 0,150 0,170
0,133 1,351 0,004 1,923 0,2 0,004
Total
0,402
RockWool Durock Vapor barrier OSB panel EPS insulation Waterproof layer
4
R
1 3
4 5 1 2
4 5 6 7 8 9
83
EXTERIOR WALL
1. 2. 3. 4. 5. 6. 7. 8.
4
λ
(W/m*K)
3
4
R
0,02
0,7
0,029
OSB panel
0,02
0,130
0,154
Vapor barrier RockWool Durock
0,007
0,170
0,004
0,3
0,035
8,571
OSB panel Vapor retarder Air cavity Stone panel
0,02 0,0007 0,025 0,03
0,130 0,170 0,026 0,1
0,154 0,004 1,923 0,3
Total
0,416
4
Gypsum plaster
0,02
0,7
0,029
OSB panel
0,03
0,130
0,231
RockWool Durock Vapor barrier
0,15
0,035
4,286
0,0007
0,17
0,004
0,7
0,7
1
Existing wall
EXTERIOR WALL
1. 2. 3. 4. 5.
1 2
1
3
2
4
3
5
1 2 3 4 5 6 7 84
0,901
5,719
S
(mm)
λ
R
(W/m*K)
(m2K/W)
Gypsum plaster
0,02
0,7
0,029
OSB panel
0,03
0,130
0,231
RockWool Durock Vapor barrier
0,15
0,035
4,286
0,0007
0,17
0,004
0,7
0,7
1
Existing wall Total
0,901
5,719
1 2 3
11,307
U (W/m2K) = 0,175
4
5 6
R
(m2K/W)
3
(m2K/W)
Gypsum plaster
λ
(W/m*K)
U (W/m2K) = 0,175
2
2
S
1. 2. 3. 4. 5.
1
1
(mm)
1
S
(mm)
Total
3
6
ROOF
44 5
4 5
5 2
2
9,455
U (W/m2K) = 0,106
3
6 1 1 27 3 4 5 6 7 8 9 10 72 8 83
61 72
1. 2. 3. 4. 5. 6. 7. 8. 9. 10.
S
U (W/m2K) = 0,088
7 8 1 2 4 5 6 7 8 9 1 2 4 5 6 7 8 9
1 1 2 2
4 5 6 7 8 9
3 4 5
FOUNDATION
1. 2. 4. 5. 6. 7. 8. 9.
Internal flooring
8
λ
R
(W/m*K)
(m2K/W)
0,03
0,73
0,041
Heating pipes
0,06
0,044
1,364
XPS insulation
0,13
0,035
3,714
Vapor barrier Poured concrete Igloo Poured concrete Gravel
0,0007 0,3 0,3 0,1 0,4
0,22 1,4 0,62 1,4 1,5
0,003 0,214 0,484 0,071 0,267
Total
1,346
1. 2. 3. 4. 5. 6. 7.
1 2 3 4 5 6 7 8 1
4 5 6 7 8 9
U (W/m2K) = 0,152
λ
R
(W/m*K)
(m2K/W)
Internal flooring
0,03
0,73
0,041
Heating pipes
0,06
0,044
1,364
Concrete RockWool Durock
0,1
1,4
0,071
0,2
0,035
5,714
Corrugated sheet Suspended ceiling Structural beam Total
0,14 0,02
1,5 0,2
0,093 0,1
2 3
6,599
S
(mm)
4 1 2 3 4 5 6 7 8
6 1 2 7
S
(mm)
SLAB
1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8
U (W/m2K) = 0,132
0,55
7,554
New building
1 waterproof layer
Detailed section
1 5
6
10 2 7
3
4
8
2 larch wood panel 3 longitudinal timber joist
11 9
4 waterproof layer
12
35 EPS insulation 6 OSB woodboard 7 vapor barrier
14
8 rockwool insulation 9 secondary beam
exhibition
10 3 copper gutter 15
11 woodboard 12 polyurethane foam
17
19
37
porch
20
14
20
14
14 triple glazing frame window
38 39
20 3 timber pilar
13 EPS insulation
36
18
10 9
exhibition
23 XPS insulation
porch
36 3 roof tiles 37 timber longitudinal joist 38 woodboard
25 3 poured concrete, metallic web
39 primary beam
26 igloo PVC
28 gravel 29 3 reinforced concrete foundation 30 3 pilar steel conncetion 31 exterior tiles
30 21 25
31
23
33
24
32
34 35
29
33 XPS insulation
35 drainage system
22
26
32 3 poured concrete
34 3 stone panel
17 gypsum plaster
19 rockwool insulation
24 3 waterproof layer
27 3 concrete screed
15 3 exterior wall timber joist
18 rockwool insulation
21 concrete floor 22 3 heating pipes
inner courtyard
27 28
.11
Kindergarten+Elderly center
1 steel sheet 1
Detailed section
2 geotextile
2
3 woodboard
3
4 longitudinal steel joist
4 5
technical room
7
6
35 waterproof layer 22
6 roof steel inclinated beam 7 finishing woodboard 8 existing stone wall 9 rockwool insulation
8 10
10 3 insulating foam 11 OSB panel 12 vaopor barrier 13 rockwool insulation
11
14 triple glazing frame window
12
15 3 exterior tiles 13
elderly room
17 EPS insulation 18 concrete screed for systems 14
19 poured concrete, metallic web 20 3 igloo PVC 21 reinforced concrete foundation 22 3 concrete screed 23 gravel 24 3 drainge system
15
18
17 19
24 20 21 22 23
.12
VENTILATION
-1 floor
.13 Dhw
Air handling unit
New building
Kindergarten+elderly center flow 4139 m3/h air changes 1.7/h
-3.30
flow 7802 m /h air changes 3.4/h 3
Mechanical ventilation, heat recovery 70 %
MAIN AIR DUCTS
Air handling unit -1 floor
-3.30
circular section d = 2*√(A/pi) = 0.4 m
F = 13860 m3/h v = 3m/s*3,6 A = F/(v*3600) = 0.13 m2
0 floor
-1 floor
±0.00
LAB
Technical underground room -3.30
2837.5 m3 2270 m3 490 m2
-0.45
YARD
total volume air volume heated floor
circular section d = 2*√(A/pi) = 0.8 m
-3.30
longitudinal section
New building
Kindergarten+elderly center
F = 4950 m3/h v = 3m/s*3,6 A = F/(v*3600) = 0.45 m2
Hp/Dhw
AIR CHANGES
New building
-3.30 ±0.00
2992.5 m3 2395 m3 540 m2
-3.30
total volume air volume heated floor
±0.00
Kindergarten+elderly center
0 floor
LAB
groundfloor plan
±0.00
undergroundfloor plan 0 floor
Energy Balance .14 using CasaNova software
ELECTIRCITY CONSUMPTION
HEAT ENERGY DEMAND
New building heat pump: ventilation system: elevator: bar machines: lighting:
3506 kWh/y 1308.9 kWh/y 150 kWh/y 600 kWh/y 3076.5 kWh/y
Total 8641 kWh/y
Kindergarten+elderly center
New building
heat pump: ventilation system: elevator: kitchen machines: lighting:
conduction losses: ventilation losses: usable solar gains: usable internal gains: heat energy demand: maximum heating load:
2780 kWh/y 998.1 kWh/y 547.5 kWh/y 1500 kWh/y 1576.9 kWh/y
Total 8497 kWh/y
specific heat energy demand:
Kindergarten+elderly center 20180 kWh/y 4167 kWh/y 16642 kWh/y 1379 kWh/y 6266 kWh/y 12,5 kW 12,8 kWh/m2y
conduction losses: ventilation losses: usable solar gains: usable internal gains: heat energy demand: maximum heating load: specific heat energy demand:
14886 kWh/y 3158 kWh/y 10246 kWh/y 1620 kWh/y 6179 kWh/y 8,5 kW 11,4 kWh/m2y
HEAT PUMP COP assumed = 3 Qh/Qe
Qh (total heating energy demand) = 21 kW Qe (total electric energy demand) = 7 kW Qc (geothermal energy demand) = 14 kW
Qh HEATING STRATEGIES
heat losses
HP
Qc
Qe
New building
Kindergarten+Elderly center
DHW provided directly from the HP.
Kindergarten’s DHW is connected to the main HP whereas the last floor is conncected to the solar thermal collectors installed on the roof.
Renewable energies .15
PHOTOVOLTAIC COLLECTORS
GEOTHERMAL ENERGY_boreholes
Total electric energy consumption 17139 kWh/y
computation according to the electric power consumption (kW)
Power exchanged by 1m of boreholes equals to 60W.
Geothermal power demand 14 kW
Boreholes total length 234m Chosen solution 4x60m
Power produced by 1m2 collector is 100 kWh/y*m2 according to the geographical conditions PV total surface 172 m2
SOLAR THERMAL COLLECTORS Total surface 11 m2
number of people 11 liters per day 50 m2 per person 1
solar thermal collectors
photovoltaic panels
solar panel
tank
tap
water aqueduct boreholes
solar thermal collectors scheme