Final Thesis Studio July 2019 - POLIMI - MSc in Architecture - Built Environment - Interiors

July 2019

Master of Science in Architecture - Built Environment - Interiors

Retrofitting a Net-zero building on an existing building Project by Sharanraj Molugu Ziyaolrahman Jamshidzehi Naveen S Kumar

Mentors Prof. Alessandro Rogora Prof. Giostra Simone Prof. Paola Gallo Stampino Prof. Mauro Piantoni

POLITECNICO MILAN01863

MATERIAL LIFE CYCLE ASSESMENT Energy

Disposal:

- CO2 footprint

Manufacture:

Component Process

Amount processed

Energy (MJ)

Phenolic foam

Polymer extrusion

1.1e+05 kg

Radient Floor panel

Polymer molding

5.2e+05 kg

EPDM sheet

Polymer molding

90 kg

Component

40

Manufactur Transport

Use

Disposal

Energy (MJ) 6.02e+07 1.2e+07 2.27e+07 1.57e+07 7.45e+05 1.11e+08 -1.9e+07

Material Manufacture Transport Use Disposal Total (for first life) End of life potential

CO2 footprint (kg) 1.91e+06 9.57e+05 1.64e+06 1.01e+06 5.21e+04 5.56e+06 -6.75e+05

Energy

(%)

54.1 10.8 20.4 14.1 0.7 100

CO2 footprint

(%)

34.3 17.2 29.4 18.1 0.9 100

Energy Analysis 8e+07 -,-------------------------,

-- -

6e+07 >-

4e+07

.fi �

2e+07

e'==;-

0

1.2e+06

9.8

Aircrete

Recycle

7.1e+03

1.0

1.1e+07

90.1

Timber Battens

Reuse

4.8e+04

6.4

1.6e+03

00

Ceramic tiles

Downcycle

3.7e+04

4.9

2.3e+04

3.0

Fabric production

58 kg

1.5e+02

0.0

Phenolic foam

ETFE

Polymer extrusion

4.1e+02 kg

2.5e+03

0.0

OSB sheets

Reuse

1.1e+04

1.5

1.2e+07

100

Detailed breakdown of individual life phases

Material

Areated autoclave concrete

Aerated concrete

Virgin (0%)

Aircrete

Aerated concrete

Virgin (0%)

Component

Timber Battens

Pine (pinus contorta) (t)

Ceramic tiles

Ceramic tile

Phenolic foam

Phenolic foam (closed cell, 0.200) Oriented strand board, type F2, oemendicular to board Expanded PS foam (closed cell, 0.025\ Ethylene propylene (diene) IEPDM/EPM unreinforced)

OSB sheets Radient Floor panel EPDM sheet Fiber mesh ETFE

Spectra 1000 polyethylene fiber ETFE (unfilled)

Virgin (0%) Virgin (0%) Virgin (0%) Virgin (0%) Virgin (0%)

Part mass lkal 5.2e +05 1e+04 2.4e +05 7.3e +04 1.1e +05 5.6e +04 5.2e +05

Total mass (kg)

Energy (MJ)

%

1

5.2e+05

4.2e+05

0.7

1

1e+04

8.3e+03

0.0

1

2.4e+05

2.6e+06

4.4

1

7.3e+04

8.8e+05

1.5

1

1.1e+05

9.8e+06

16.3

1

5.6e+04

1.1e+06

1.8

1

5.2e+05

4.5e+07

75.1

Recycle

2e+06

8.8

Aircrete

40 tonne (6 axle) truck

1.6e+03

2e+06

8.8

2e+06

Timber battens

32 tonne (4 axle) truck

50

7.2e+04

0.3

1.5e+06

cermaic tiles

26 tonne (3 axle) truck

2.3e+02

3.9e+05

1.7

Phenolic foam

Air freight - long haul

1.6e+03

1.6e+07

69.7

Osb sheets

32 tonne (4 axle) truck

1.1e+02

1.5e+05

0.7

Radient floor panel

32 tonne (4 axle) truck

6.4e+02

9.1e+05

4.0

Epdm sheet

14 tonne (2 axle) truck

2.4e+02

5.4e+05

2.4

-500000

Fiber Mesh

14 tonne (2 axle) truck

27

6.2e+04

0.3

-1e+06

Etfe

32 tonne (4 axle) truck

5.2e+02

7.4e+05

3.3

6.6e+03

2.3e+07

100

2.8e+02

0.0

7.4e+05

100

CO2 Footprint Analysis

1e+06

·;:

...0�� 0 .:.:

500000 0

Material

Manufact Transport

ure

Use

Disposal

Eol potential

CO2 (kg/year) Equivalent annual environmental burden (averaged over 50 year product life):

Mass (kg)

Energy (MJ)

%

5.2e+05

7.7e+06

33.8

1e+04

1.5e+05

0.7

Material

Timber Battens

2.4e+05

3.6e+06

15.7

Autoclaved Aerated Concrete

Ceramic tiles

7.3e+04

1.1e+06

4.8

Aircrete

250sqm

Phenolic foam

1.1e+05

1.7e+06

7.4

Timber Battens

4000 mts

OSB sheets

5.6e+04

8.4e+05

3.7

Radient Floor panel

5.2e+05

7.7e+06

33.8

Ceramic tiles

1320sqm

EPDM sheet

90

1.3e+03

0.0

Phenolic Foam

Fiber mesh

58

8.7e+02

0.0

OSB sheets

ETFE

4.1e+02

6.1e+03

00

Total

1.5e+06

2.3e+07

100

Total Sqm or Meter

Manufacture

Place of Origin

Aircrete

Netherlands

1600

10190

Aircrete

Netherlands

1600

240000

Rothoblaas

Italy

50

73320

Aircrete

Italy

234

2800sqm

112905

Kingspan

Netherlands

1600

5600sqm

56000

I-pan

Italy

108

Radiant floor panel

1280sqm

515481

Rossatto

Italy

637

EPDM sheet

870sqm

90

Satti group

Italy

237

Fiber mesh

960sqm

58.2

GAVAZZI TESSUTI TECNICI S.p.A.

Italy

27

ETFE

2330mts

407.8

Tiavo

G ermanv

520

710sqm

Total k,:

1.11e+05

515475

Distance (km)

Static mode Energy input and output type Country of use

Electric to thermal

Comparision

Italy 15

1 Tree absorbs 21 kg of CO2 per year

Usage (hours per day)

8

Usage (days per year)

3.7e+02

Total CO2 foot print of the project is 5.560.000 Kgs for 50 years

Power rating

(kW)

Product life (years)

Total CO2 foot print of the project per year is 111.200 kgs

50

Total 5300 trees required to aborsb the total CO2 per year

Relative contribution of static and mobile modes

90

7e+03

0.0

Virgin (0%)

58

1

58

2.7e+04

0.0

Virgin (0%)

4.1e +02

1

4.1e+02

9.7e+04

0.2

Mobile

100

Total

6e+07

0.0

1.6e+03

1

1.5e+06

29

40 tonne (6 axle) truck

90

10

Downcycle

Areated Autoclave Concrete

Virgin (0%)

Total

Fiber mesh

%

Use:

Qty.

0.0

Energy (MJ)

Material: Recycled content* 1%1

34.6

45

Distance (km)

Aircrete

2.23e+06

2.6e+05

Downcycle

Transport type

Stage name

Areated autoclave concrete

Equivalent annual environmental burden (averaged over 50 year product life):

Downcycle

Total

Component

Energy (MJ/year)

Radient Floor panel EPDM sheet ETFE

Breakdown by components

-2e+07�----------------------� Eol Material Manufact Transport Use Disposal ure potential

48.5

Recycle

Fiber mesh

Total

�r �

3.6e+05

Areated autoclave concrete

Breakdown by transport stage Phase

%

%

Transport:

Eol potential

Energy (MJ)

Reuse

Total

Material

End of life option

Mode Static

Energy IMJl 1.6e+07

%

Total area required for tree plantation is 795.000 sqm to abosorb total CO2 for 50 years

100.0

0 1.6e+07

100

*Typical: Includes 'recycle fraction in current supply'

POLITECNICO MILAN01863

Prof. Alessandro Rogora

Project by

Prof. Giostra Simone

Sharanraj Molugu

Prof. Paola Gallo Stampino

Ziyaolrahman Jamshidzehi

Prof. Mauro Piantoni

Naveen S Kumar