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Africa Urban Infrastructure Summit sustainability at the urban scale ‘land is the raw resource of local municipalities’. incremental approach to infrastructure. question everything? . never take anything for granted there is something to learn from anything . biomimicry

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slide1

Africa Urban Infrastructure Summitsustainability at the urban scale‘land is the raw resource of local municipalities’

incremental approach to infrastructure

slide2

question everything?

. never take anything for granted

there is something to learn from anything

. biomimicry

sustainability is not new!

. the conscious focus on it is

design process and the sense of purpose

slide3

International Union of Architects (UIA)

director work programme

‘architecture for a responsible future’

region V: Africa

Africa Union of Architects

(AUA)

sustainability officer

Green Building Council of South Africa

(GBCSA)

founding director

current board member (6th year)

technical steering committee

WSP Group Africa

mechanical services

electrical services

WSP GREEN by DESIGN

structures

façade engineering

wet services

electronics and IT services

energy management

facilities management

coastal engineering

environmental

transportation and infrastructure

WSP FUTURE CITIES

industrial engineering

refrigeration

waste management

health and safety

risk management

building services

infrastructure

introduction: eric noir, architect, urbanist, specialist in sustainable development for the built environment

slide5

Core

28.0 m2

14m

11m

CORE

wc

GAPP Architects & Urban Designers

slide6

Core

28.0 m2

1 Bedroom

40.5 m2

14m

11m

B1

CORE

wc

GAPP Architects & Urban Designers

slide7

Core

28.0 m2

1 Bedroom

40.5 m2

50.0 m2

2 Bedroom

14m

11m

B2

B1

CORE

wc

GAPP Architects & Urban Designers

slide8

Core

28.0 m2

1 Bedroom

40.5 m2

50.0 m2

2 Bedroom

59.5 m2

3 Bedroom

14m

11m

B2

B3

B1

CORE

wc

GAPP Architects & Urban Designers

slide9

levels of finishes

high level

intermediate level

basic level

started core

room 1

room 2

room 3

size of building

m2bulk

we tend to be ‘space greedy’

slide10

overall development

800’000m2 bulk

initial phase

200’000m2 bulk

no existing

municipal infrastructure

the project: a new town on the outskirt of a large African capital city

slide11

VISION FOR THE COMPLETED DEVELOPMENT

  • Development Goal
  • Enhancing sustainability and quality of the built and landscaped environment capturing land value for investors.
  • Principles
  • Natural Systems
  • To be protected, enhanced and interconnected to establish a open system network.
  • Accessibility
  • Provide easy, direct and well balanced access in and around the site, with a variety of road widths, appropriate for the types of development activities accessed.
  • Land Use Intensity
  • Create a variety and mix of land use intensity in centres and sub-centres within walking distance of residential neighbourhoods that surround them, allowing the creation of a quality environment and reduction in car usage.

vision / goal / principles | slide by GAPP architects & urban designers

slide13

The infrastructure strategy is based on the desire to achieve a “light green” shade for overall development, a measurement of the infrastructures sustainability. The “light green” rating involves reducing the standard impact of major infrastructure physically, spatially and therefore visually.

  • The strategy also aims to achieve utility services that are :
    • Secure and continuous in their roll out.
    • Can handle the capacity of the development.
    • Are constructed at a high standard and remain in good condition.
  • * SUMMARY SHOULD BE READ IN CONJUNCTION WITH THE ENGINEERING REPORT AND ENVIRONMENTAL IMPACT ASSESSMENT. (SEE ANNEXURE 1)

Infrastructure strategy

slide14

water tower

underground reservoir

water supply phasing

slide15

12

11

10

9

8

7

6

5

4

3

2

1

water supply costing

slide17

10

9

8

7

6

5

4

3

2

1

electricity supply costing

slide18

40

35

30

25

20

15

10

5

composite infrastructure costing

slide19

40

35

30

25

20

15

10

5

composite infrastructure costing

slide20

40

35

30

25

20

15

10

5

composite infrastructure costing

slide21

waste

energy

water

relationship between

density and sustainability

. at the city scale and in Africa in particular,

the sustainability equation is possibly looking

more like a pyramid:

- economic prosperity

- social equity

- environmental stewardship

‘we need to be able to quantify in real time the impacts of design decision’

. density as the key to begin to understand urban systems and complexity

. ability to correlate seemingly unrelated sets of data through the lenses of density

(municipal rates and taxes, water/energy/sanitation usage, happiness factor, crime, local finances, etc.)

biodiversity

people

food security

density and sustainability: WSP Future Cities offering

slide23

established GBC’s:

. South Africa

prospective GBC’s:

. Ghana

. Kenya

. Mauritius

. Morocco

. Namibia

. Nigeria

associate group GBC’s:

. Botswana

. Egypt

. Libya

. Mauritania

. Tunisia

showing interest in creating GBC’s:

. Cameroon

. Democratic Republic of Congo

. Gabon

. Ivory Coast

. Rwanda

. Senegal

. Sudan

. Zambia

greenstar SA in Africa:

. Ghana

. South Africa

context report in progress:

. Kenya

. Mauritius

. Namibia

. Nigeria

TUNISIA

MOROCCO

ALGERIA

WESTERN

LIBYA

EGYPT

SAHARA

MAURITANIA

MALI

NIGER

ERITREA

SUDAN

SENEGAL

CHAD

THE

DJIBOUTI

GAMBIA

BURKINA

GUINEA

GUINEA

BISSAU

BENIN

NIGERIA

TOGO

ETHIOPIA

COTE

SOUTH SUDAN

CENTRAL

SIERRA

DTVOIRE

GHANA

AFRICAN

LEONE

REPUBLIC

LIBERIA

CAMEROON

UGANDA

SOMALIA

DEMOCRATIC

KENYA

EQUATORIAL

REP. OF

REPUBLIC

GUINEA

THE

OF THE CONGO

GABON

CONGO

(ZAIRE)

RWANDA

BURUNDI

TANZANIA

ANGOLA

MALAWI

ANGOLA

ZAMBIA

MOZAMBIQUE

MADAGASCAR

MAURITIUS

ZIMBABWE

NAMIBIA

BOTSWANA

SWAZILAND

LESOTHO

SOUTH

AFRICA

status of Green Building Councils in Africa

slide24

Australia as the most likely window of where we might be in 5 years time:

GBCA:2008 GBCSA:2013

by 2017 we can reasonably expect in excess of 30 6* buildings in SA

South Africa today: 30 certifications, 2 x 6*, 3 x 5*, 25x 4*

green buildings certification forecast

slide25

- 25kWh/m2/an

100kWh/m2/an

75kWh/m2/an

200kWh/m2/an

150kWh/m2/an

infrastructure as a ‘bank of development rights’