Great Paris, How to Improve Futur with Heritage Dominique Alba, Head of Paris Urbanism Architecture

1. Great Paris, how to improve futur with heritage
Dominique ALBA CEO Atelier parisien d’urbanisme
API DAYS 10 /12/2019

2. Town planning agency at
double scale :
Paris and the metropolitan
area
Non profit organization created in 1967
80 employees
Missions :
Studies and analysis about all society and
urban transformations pertaining to public
policies
History, databases, urban mutations, new
targets, etc
Perimeter of studies:
Economics / business and trade / amenities,
rules/ energy / urban metabolism and human
metabolism / housing
What is ATELIER PARISIEN d’URBANISME ?
www.apur.org
Grand Paris Metropolis (January the 1st, 2016),
7 M people living – 131 cities
12 territories

3. 3
One main data :
Great Paris density 8500 inhabitants by
sqkm, Paris is more than 20 000 up to 48
000 .
Source : calculations of OCDE based on Landscan database 2009
A hyper dense city centre gradually sprawling in
first and second peripheries
Paris
Londres
Barcelone
Berlin
Madrid

5. 5

6. The transformation before and after 1860 : Napoleon 3 and Haussmann extension
From 33 up to 78 KM2 ( 84.4 nowdays and 105.4 wtih the 2 woods)

7. 7

8. Extension tache urbaine
Reseau d’eau d’elec de metro

9. Highways first design system :
1930 : architecte Cireul : plan d’ensemble des autostrades
de la région parisienne
1934 : Prost architecte – aménagement de la région
parisienne

10. Plan « Lopez 1954 », the center of Paris is preserved , surrounded by
a highway ring , all the rest may be demolished

11. Plan d’urbanisme directeur de Paris 1959
© Mairie de Paris

12. Le viaduc du périphérique
de la porte de Pantin
L’échangeur
de la porte de Bagnolet
en construction
© Mairie de Paris - DVD
© Mairie de Paris - DVD
A new element in the urban landscape : the hignway

13. In: ANNEXE A LA COMMUNICATION de Mr le Préfet de la Seine AU CONSEIL MUNICIPAL DE PARIS sur LA RENOVATION URBAINE -1962
© Doc Ville de Paris
The modern period 1950/1975

14. Exemple : Italie neigbourhoud
© doc Apur

15. Architectes : Camelot, De Mailly, Zerfus + Prouvé, Esquillan ingénieurs
1956-1958 : Centre des nouvelles industries et technologies (CNIT)

16. Construction of the river side Seine high way : 1956
Photo : 1967
© Mairie de Paris - DVD

17. 1975 : stop of démolitions, stop of high buildings construction
a new strategie based on urban renewal and heritage by Apur and
François Loyer

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The high ways network

20. 20

21. hausmann

22. New urban strategies
POS 1977
PLU 2006
PLU 2016

23. Urban renovation, heritage strategie
1030 insane buildings in 2002, 20 000 flats all refurbished in 2013

24. Addition of buildings
school for architecture Frederic Borel architect

25. A need for new tools to model visions
Example:
High building in
Clichy Batignolles

26. and define a strategic places for high buildings :
public workshops

27. Example : A NEWTOWER
PORTE DEVERSAILLES
Herzog and de Meuron
architects

28. Avenue des Champs Elysées The Seine banks
Pedestrian reconquest in the 1990’s, the main rôle of public space

29. Quai Malaquais Porte des Lilas
a new vision of public spaces

30. The 2000 decade considers public spaces as swiss knife, with
multifonctionnal uses, appraisal of the public
« Paris respire » every sunday
« Paris Plages » every summer
Seine right banks

31. 31
Develop new mobility services :Velib’ (since 2007) & bicycle
lanes and now auto lib
Vélib 1,700 stations
23,000 cycles

32. Left bank of the river Seine
Before and after

33. 33
the complexity of the streets net work :
Street hierarchy, bus et tramway, historical design, trees,

34. Un réseau très utilisé avec plusieurs tronçons à très fort trafic 150 000 à
220 000 véhicules jour ,
une baisse sur l’ensemble du réseau ( de 6 à 8 % en dix ans )

35. Pulbic transport getting more an d more efficinet with new projects
( metro, rer, RGPE, Tramways, bus)

36. The new transportation
System: 70 stations, 200
km decided in 2008 by the
state level in discussion
with local mayors

37. interconnecting more than 500 urban projects in the great paris
metropolis

38. ….that needs to be connected with urban strategies

39. and new mobility : every body will be at less than 2 km from a metro
station ,

40. A local plan for energy considers :
-buildings energy consumptions,
- nature of the existing buildings
- local renewable energies and
- energetic networks
a territorial strategy
Solar energy
Deep
geothermal
energy (60°)
Soft geothermal
energy
sewage waters
energy
Waste water
energy
Fatal energies
Energy :a metropolis plan for climate, air and energy : using urban
planification tools

41. Age of the buildings Typologies Build density
Inside Paris, a very dense urban system with a basic temperature high but less potential for renewable energies.
Outside Paris, individual houses that could possibly be autonomous
Owners Human density Income
6 bases of information

42. Integration of urban services and climate change adaptation
Urban services : one
of the main changes
of the 21st century
concerns the
integration of the
revolution of urban
services.
The energy plan for
the Grand Paris
metropolis is an
illustration of this
ambition; it uses the
same representation
documents for urban
planning and energy
planning .

43. And for the mixed part of the city, introducing a management at
the islet scale
© Apur

44. new Energetic Infrastructuresnew Energetic Infrastructures
PARIS 2050 vision

45. Bd Jules Ferry, Paris 11e
©CélineOrsingher
Coordinated actions on energy, water, buildings, mobility, vegetation, supply chains…