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ARKETIPO P R O G E T T I I N D E T TA G L I O BLOOMBERG’S NEW EUROPEAN HEADQUARTERS LONDON, UK FOSTER + PARTNERS WWW.FOSTERANDPARTNERS.COM DUE CORPI APERTI ALLA CITTÀ E COLLEGATI CON PASSARELLE AEREE HANNO FACCIATE PROGETTATE PER LA TERMOREGOLAZIONE DEGLI AMBIENTI INTERNI: 117 PINNE VERTICALI A TUTTA ALTEZZA RIVESTITE IN LEGA DI BRONZO PERMETTONO DI REGOLARE LA RADIAZIONE SOLARE E UN SISTEMA DI VENTILAZIONE NATURALE INTEGRATO IN CORRISPONDENZA DEI MURI DI TAGLIO CONTROLLA IL RICAMBIO DI ARIA. TEXT FRANCESCO PITTAU PHOTOS NIGEL YOUNG FOSTER + PARTNERS 58
Nigel Young / Foster + Partners
architectural design:
Foster + Partners
client:
Bloomberg LP
completion:
2017
gross area:
102,190 m2
cost:
1,147,720 €
Nigel Young / Foster + Partners
Ai visitatori è The visitors can
permesso l’accesso access the sixth
al sesto piano, floor, focal point
punto focale of the building
dell’edificio e luogo and a socialising
di socializzazione space
L’edificio è accessibile The building is
al pubblico attraverso accessible by the
l’ingresso principale public via the main
che collega entrance which
direttamente al connects directly to
Vortex, uno spazio the Vortex, a double
centrale a doppia height central space
altezza generato generated by the
dalla torsione di tre torsion of three 0 20m
gusci curvi rivestiti curved shells clad
in legno with wood
Section
Nigel Young / Foster + Partners
BLOOMBERG’S NEW EUROPEAN HEADQUARTERS | LONDON, UK | FOSTER + PARTNERS
Foster + Partners
N
Sezione longitudinale 0 10 20 m
Long section
N
el cuore della City, situato in un punto si riscopre anche nelle sue fondamenta, che ospitano
nevralgico dello Square Mile, in un isolato gli antichi resti del tempio romano dedicato a Mithras,
tra la Bank of London e la Cattedrale di rinvenuto nel dopoguerra e successivamente spostato,
Saint Paul, sorge la nuova sede europea di Bloomberg, oggi integrato all’interno del nuovo complesso e
multinazionale dell’informazione statunitense fondata ricostruito nella sua posizione originaria. Il complesso
dall’ex sindaco di New York Michael Bloomberg, è principalmente destinato ad accogliere gli uffici della
un edificio avveniristico ma intento al contempo a società, ma l’attenzione verso la comunità, oltre alla
ricucire il legame col passato in una metropoli in volontà di massimizzare l’investimento immobiliare,
continua evoluzione. La progettazione, affidata allo hanno indirizzato la progettazione verso un mix di
studio inglese Foster + Partners, si è articolata su due funzioni che ha portato alla pianificazione di vasti spazi
livelli, urbanistico e architettonico, che si integrano commerciali al piano terra.
ordinatamente generando uno spazio fluido capace L’edificio, composto da nove piani fuori terra più tre
di rispondere sia alle esigenze della committenza, interrati, è accessibile al pubblico attraverso l’ingresso
molto vicina alle problematiche socio-ambientali, sia a principale che collega direttamente al Vortex, uno
quelle della comunità cittadina. Il complesso rigenera spazio centrale a doppia altezza generato dalla torsione
un pezzo di città evitando un approccio introverso; al di tre gusci curvi rivestiti in legno che simboleggiano
contrario, la nuova costruzione guarda verso lo spazio il dinamismo della società. Attraverso questo spazio
intorno con l’apertura al pubblico della Bloomberg è possibile accedere agli impianti di risalita, che
Arcade, il passaggio pedonale porticato ricavato fra i conducono i visitatori direttamente al sesto piano,
due corpi principali collegati poi ai piani superiori da punto focale dell’edificio e luogo di socializzazione
passerelle. Questo percorso urbano ricalca la Watling e scambio dove i dipendenti possono condividere
Street, un’antica strada romana che collegava Londra informazioni e maturare collaborazioni. Al livello
con il Galles, ed è connesso con un sistema di tre superiore si articolano su una mezzaluna le sale
piazze pubbliche caratterizzate dall’installazione di riunioni e gli uffici privati, affacciati su un volume
sculture d’acqua, opere dell’artista Christina Iglesias, centrale denominato Ha-Ha, illuminato da luce zenitale
che richiamano simbolicamente il Walbrook River che attraverso un’ampia vetrata sorretta da una struttura
scorreva attraverso il sito. L’eredità storica del luogo la metallica a graticcio triangolare. Al centro del blocco
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P R O G E T T I I N D E T TA G L I O
3
1
5
1 4
2
3
6
3
3 3
1 4
3
3
Pianta piano quarto
Fourth floor plan
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0 20m
Pianta piano terra
Ground floor plan Level 4
1. lobby 1. lobby
2. auditorium 2. auditorium
7 3. negozi 3. retail
4. uffici 4. offices
5. vuoto sottostante 5. void below
5 4
6. passarella di collegamento 6. connecting walkway
7. spazio doppia altezza 7. double height space
7
6
4
Foster + Partners
0 10 20 m
Pianta piano sesto principale si trova la scenografica scala elicoidale traguardo è stata necessaria una selezione attenta
Sixth floor plan
composta da un unico elemento strutturale basato su delle tecnologie costruttive e l’orientamento verso
20m
una curva matematica ipotrocoidale, che forma una materiali naturali come la pietra arenaria, utilizzata
superficie liscia continua tridimensionale tra i vari per la finitura delle facciate, e leghe di bronzo per gli
piani. Gli spazi di lavoro per i 6/700 dipendenti sono elementi di schermatura. Sono state, inoltre, integrate
distribuiti su diversi piani con uno schema ricorrente strategie climatiche atte all’abbattimento dei consumi
open-space studiato appositamente per garantire energetici, quali ventilazione naturale attraverso gli
il massimo utilizzo della superficie disponibile e elementi di facciata, gestione idrica con recupero
permettere il raccoglimento in gruppi di lavoro senza delle acque meteoriche e grigie, riutilizzo dei rifiuti
comprometterne la privacy. prodotti, sistema di controllo automatizzato per il
Grazie a una progettazione interamente orientata verso monitoraggio e la gestione delle condizioni ambientali
la sostenibilità ambientale e l’efficienza energetica, interne e sistema di illuminazione a LED integrato
l’edificio ha ottenuto la certificazione BREEAM nei pannelli a soffitto preassemblati con 2,5 milioni di
Outstanding, il massimo livello previsto dal protocollo “petali” di alluminio, in grado di garantire un livello di
inglese, risultando a oggi l’edificio per uffici col illuminazione e assorbimento acustico ottimale negli
più alto punteggio. Per il raggiungimento di questo spazi di lavoro.
62
Il percorso urbano
della Bloomberg
Arcade ricalca la
Watling Street,
un’antica strada
romana che collegava
Londra con il Galles
The urban streetscape
of the Bloomberg
Arcade overlays
Watling Street, an old
Roman road which
used to link London
with Wales
Nigel Young / Foster + Partners
63
P R O G E T T I I N D E T TA G L I O
ZOOM 1
IL SISTEMA DI SCHERMATURA
Le ostruzioni generate dall’ambiente urbano circostante, densamente edificato, 1. rivestimento: pannelli metallici
2. copertura:
e l’altezza relativamente contenuta dell’edificio permettono un ombreggiamento - lamiera di acciaio zincato posata
naturale della radiazione solare. Un aggiuntivo sistema oscurante integrato a secco su profili pressopiegati
- travi secondarie calandrate
in facciata, costituito da 117 pannelli a lame verticali a tutta altezza a forma di in profili laminati di acciaio IPE
- travi principali in profili laminati
pinne rivestite in lega di bronzo e collegati alla facciata vetrata continua con di acciaio
un telaio di alluminio, permette di regolare la radiazione solare incidente nelle - soletta di calcestruzzo armato
gettato in opera
ore centrali delle giornate estive. Quando le condizioni climatiche ambientali - isolante in lana di roccia
risultano favorevoli, un sistema di controllo automatizzato ne permette - controsoffitto sagomato di alluminio
3. balcone non accessibile:
l’apertura, favorendo il movimento orizzontale naturale dell’aria. Nella stagione - lastre di pietra arenaria
estiva, l’aria in movimento attraversa tutto l’edificio e viene convogliata nella - isolante in lana di roccia
- elemento prefabbricato
rampa elicoidale centrale dalla quale fuoriesce attraverso apposite aperture di calcestruzzo armato
- travi di collegamento in profili
superiori integrate nella copertura vetrata, favorendo l’estrazione per effetto laminati di acciaio
camino. Al fine di attenuare il discomfort acustico per gli utenti, sono state - isolante in lana di roccia
- lamiera sagomata di bronzo
integrate all’interno delle pinne apposite fodere in materiale isolante in grado di 4. rivestimento: lastre di bronzo
assorbire i rumori generati dal traffico cittadino. Tale sistema di climatizzazione 5. chiusura verticale trasparente:
naturale, collegato a un sistema di monitoraggio della qualità dell’aria interna sistema di facciata vetrata a montanti
e traversi in alluminio
sulla base del livello occupazionale dell’edificio, è risultato in grado di tagliare 6. solaio piano tipo:
del 35% i consumi energetici per ventilazione e climatizzazione, con un - pavimentazione sopraelevata
- soletta di calcestruzzo armato gettato
significativo abbattimento dei livelli di CO2 interni. in opera
- travi in profili laminati di acciaio IPE
- controsoffitto prefabbricato a “petali”
di alluminio con sistema di illuminazione
All’interno delle e condizionamento integrato
pinne rivestite in
bronzo del sistema 7. balcone:
di schermatura sono - pavimentazione sopraelevata
state inserite fodere su piedini regolabili
di materiale isolante - isolante rigido di EPS
per ridurre anche il - membrana impermeabile
discomfort acustico - soletta di calcestruzzo armato
gettato in opera
Inside the bronze clad - travi in profili laminati di acciaio IPE
fins insulating covers - controsoffitto prefabbricato a “petali”
were inserted with di alluminio con sistema di illuminazione
purpose of improving e condizionamento integrato
acoustic comfort
1. cladding: metal panels
2. roof:
- galvanised steel sheeting
on pressed profiles
- secondary steel beams
- main steel trusses
- in-situ reinforced concrete slab
- rockwool insulation
- aluminium pre-formed
suspended ceiling
3. non accessible balcony:
- stone slabs
- rockwool insulation
- reinforced concrete prefabricated
element
- laminated steel connecting beams
- rockwool insulation
- bronze sheeting
4. cladding: bronze sheets
5. transparent vertical enclosure:
facade system made of aluminium
transoms and mullions
6. typical floor:
- raised flooring
- in-situ reinforced concrete slab
- laminated steel connecting beams
- prefabricated suspended ceiling
made of aluminium petals with
integrated lighting and air
conditioning system
7. balcony:
- raised flooring with adjustable feet
- EPS rigid insulation
- waterproof insulation
- in-situ reinforced concrete slab
- laminated steel connecting beams
- prefabricated suspended ceiling
Nigel Young / Foster + Partners
made of aluminium petals
with integrated lighting and air
conditioning system
64
BLOOMBERG’S NEW EUROPEAN HEADQUARTERS | LONDON, UK | FOSTER + PARTNERS
Sezione verticale. Scala 1:50
Vertical section. Scale 1:50
Stefano Ravasio
65
ARKETIPO P R O G E T T I I N D E T TA G L I O
Schizzi di Norman Foster
Sketches of Norman Foster
Il complesso rigenera un
pezzo di città guardando
verso lo spazio intorno
con l’apertura al pubblico
della Bloomberg Arcade,
il passaggio pedonale
porticato ricavato fra i due
corpi principali
The complex has brought
regeneration to a part of
the city while looking at
the space around with the
opening to the public of
the Bloomberg Arcade,
the pedestrian covered
passageway carved
between the two main
volumes
Nigel Young / Foster + Partners
66
| LONDON, UK | FOSTER + PARTNERS
ZOOM 2
RIVESTIMENTO PREFABBRICATO
CON VENTILAZIONE INTEGRATA
Un secondo sistema di ventilazione naturale è stato da una saracinesca isolata ad apertura automatica,
integrato in corrispondenza dei dieci muri di taglio di ridotta in sezione al fine di diminuirne la pressione
calcestruzzo armato disposti perimetralmente al fine aumentando la velocità di ingresso. Sempre
di rispondere alle sollecitazioni orizzontali. Il sistema internamente, un’apposita sottostruttura a telaio
di rivestimento è prevalentemente prefabbricato e si metallica sorregge i pannelli di assorbimento acustici
compone di un manto continuo in lastre di arenaria rivestiti, da un lato, da pannelli perforati di alluminio,
proveniente dalle cave del Derbyshire, impiegata in e, dall’altro, da pannelli di pietra arenaria.
quasi 10.000 tonnellate sull’intero involucro. Il sistema si completa con l’integrazione dei vani
All’interno dei condotti di ventilazione, larghi 45 cm ascensore, teche completamente vetrate sorrette da
e lunghi quasi 3 m, ispezionabili e disposti ai lati una leggera struttura di acciaio, ricavati all’interno
Spaccato
del muro massivo di calcestruzzo, l’aria esterna dell’intercapedine creata tra i due involucri vetrati assonometrico
s’incanala attraverso apposite prese d’aria, regolate di facciata. Axonometric section
Foster + Partners
67ARKETIPO P R O G E T T I I N D E T TA G L I O
Il sistema di
rivestimento è
prevalentemente
Nigel Young / Foster + Partners
prefabbricato e si
compone di un manto
continuo in lastre di
arenaria
The cladding system
is predominantly
prefabricated and
it is composed of a
68
continuous skin of
stone slabs| LONDON, UK | FOSTER + PARTNERS
5 7
8
6
4
1
3
2
11
12
Foster + Partners
13
10
9
Esploso 3D del sistema di schermatura e ventilazione dei pannelli verticali a forma di pinne rivestiti in bronzo
Axonometric view of insulating and ventilation covers of vertical panels bronze clad fins
1. saracinesca chiusa isolata per 8. sistema di rivestimento interno 1. fixed insulated shutter 8. internal cladding system made
la regolazione degli scambi d’aria di pietra arenaria to regulate the air flow of stone
2. sistema di rivestimento esterno 9. rivestimento della trave esterna exchange 9. stone cladding of
di pietra arenaria di pietra arenaria 2. external stone cladding the external beam
3. saracinesca aperta isolata per 10. rivestimento interno in lamiera 3. thermal open door 10. bronze sheeting internal
la regolazione degli scambi d’aria di bronzo 4. reinforced concrete spine wall cladding
4. muro a taglio di calcestruzzo armato 11. condotto di ventilazione 5. perforated metallic panel to access the 11. ventilation duct
5. pannello metallico perforato di accesso 12. cabina ascensore ventilation duct 12. lift car
al condotto di ventilazione 13. struttura in acciaio e vetro del vano 6. soundproofing panel 13. glass and steel structure
6. pannello acustico fonoassorbente ascensore 7. metallic substructure of the lift shaft
7. sottostruttura metallica
DESIGNERS Ingegneria illuminotecnica/Lighting design:
Localizzazione/Location: London, UK Tillotson Design Associates REFERENCES
Progetto architettonico/Architectural design: Project management e gestione economica/Project • MOORE ROWAN, BLOOMBERG EUROPEAN HQ REVIEW –
Foster + Partners management and cost consulting: AECOM WELCOME TO THE BLOOMBERGEUM, THE GUARDIAN,
Committente/Client: Bloomberg LP 29 OCTOBER 2017.
Progettazione paesaggistica/Landscape design: • WAINWRIGHT OLIVER, “BLOOMBERG HQ: A £1BN BUILDING THAT
Charles Funke Associates Data di progettazione/Design period: 2010 LOOKS LIKE A REGIONAL DEPARTMENT STORE”, THE GUARDIAN,
Ingegneria strutturale/Structural engineering: AKT II Data di completamento/Completion: 2017 25 OCTOBER 2017.
Ingegneria ambientale/Environmental engineering: Superficie lorda costruita/Gross area: 102,190 m² • KENNEDY MAEV, RECONSTRUCTED ROMAN TEMPLE OF MITHRAS
Sweco AB OPENS TO PUBLIC IN LONDON, THE GUARDIAN, 8 NOVEMBER 2017.
Costo/Cost: 1,147,720 €
69materials, in the approach to the ground in the standardisation of Page 058
the landscape. Such personal results are immediately recognisable,
so particular that they cannot be repeated, so abstract to be timeless.
BLOOMBERG’S NEW EUROPEAN
The plan is very wide playing between the north corner of the HEADQUARTERS
heliport and the south one of the external car park. The complex, LONDON, UK
example of sustainability even with a minimum increase of ground Foster + Partners
use, has been built on the shape of the 1970’s disused industrial TWO VOLUMES OPENING UP TO THE CITY AND CONNECTED VIA
sheds which can be reached by the main road along the Arno river, SUSPENDED WALKWAYS HAVE FACADES DESIGNED FOR THE
running parallel to the Milan-Rome motorway. The regeneration THERMAL CONTROL OF THE INTERNAL ENVIRONMENTS: 117
project stretches over an area of more than 9 ha on which the FULL HEIGHT VERTICAL FINS CLAD WITH BRONZE ALLOY ALLOW
TO CONTROL THE DIRECT SOLAR RADIATION AND A NATURAL
attention to details is taken to the extreme whether they are
VENTILATION SYSTEM INTEGRATED IN CORRESPONDENCE OF TEN
architectural details or natural details. It is a production factory for REINFORCED CONCRETE PERPENDICULAR WALLS ARRANGED AT
more than 700 workers who go to work using their cars every day; THE PERIMETER MANAGES THE AIR RECYCLE.
this lead to the requirement to fluidify and optimise the internal In the heart of the City of London, in a key location within the Square
flows, visitors-employees-logistics, with separate vehicular accesses Mile, in a block between the Bank of London and the Saint Paul’s
and different car parks. Particular is the area to the north, arranged Cathedral, there are the new European headquarters of Bloomberg, a
under pergolas which follow the natural inclination of the ground, to futuristic building but at the same time focused to reconnect the link to
be followed by the area to the west for the managing director, then the past of a metropolis in continuous evolution. The design, by Fosters
on the south, the area running parallel to the main road for the and Partners, has been articulated onto two levels, urban planning
external visitors, finally to the south-east that for the employees and
and architecture, which are neatly integrated generating a fluid space
on the same side, the car park for the suppliers together with the
capable of respond to the client’s requirements, very close to social
loading bay. The pedestrian access is located to the south-west and is
and environmental topics, as well as that of the local community. The
via two glazed walkways with a slight inclination, very much
complex is regenerating a piece of the city avoiding an introverted
needed to go above the change of level and the water pool. The
approach: on the contrary, the new building looks at the surrounding
entrance is from the portico, core of the connection between the
space with the public opening of the Bloomberg Arcade, the covered
waiting and the operational area. The car parks contain at the
pedestrian passageway created between the two main volumes then
perimeter the factory while separating it from the outside. The
connected by elevated walkways. This urban path retraces the Watling
functional lay out and the superficial treatment of the envelope
Street, an old roman route which used to connect London with Wales,
contribute o highlight the separation: reinforced concrete uniform
and it is connected with a system of three public squares characterised
panels with horizontal bands made of a single clear colour. The
by the installation of water sculptures, work by the artist Christina
ground floor is a “pen”, a large space separated from the outside
Iglesias, which symbolically remind of the Walbrook River which
world, almost a sacred place within which the functions are
articulated. From a plan point of the view the west-east direction, used to flow across the site. The historic legacy of the place can also be
originated by the external pergola, continuous in a linear way up to discovered in its basement which houses the old remains of the Roman
the winter garden in front of the canteen separating the functions to temple dedicated to Mithras, discovered after the war and subsequently
the north, such as offices and kitchen, from the production and relocated but now integrated within the new complex and re-built
technical areas of the warehouse, the archive and the technical in its original location. The complex is mainly designed to house the
plants located to the south. The upper floor is a volume created by company’s offices, but the attention towards the community, in addition
placing together 4 parallelepipeds with a regular rectangular base to the desire to maximise the real estate investment have directed the
rotated of 45° in relation to the raft below and separated from each project towards a functional mix leading to the provision of large retail
other by three long and thin volumes containing the plant rooms spaces on the ground floor.
which use for the ducts the perpendicular spine of the floor below. The building composed of nine floors above ground and three basement
In addition the formal advantage, the rotation is also functional in levels, is accessible to the public via the main entrance which directly
relation to the best sun exposition for the transparent portion of the connects to the Vortex, a double height central space generated
sheds. The remaining spaces between the rotation of the lower raft by the torsion of three wooden clad shells which symbolise the
and of the upper volume are occupied by triangular hanging dynamic nature of the company. This space is conduit to the vertical
gardens. There is also a thrid floor (the roof) which allows to transportation systems which take the visitors directly to the sixth
appreciate the articulated interconnection of the opaque surfaces, of floor, core part of the building and socialising and gathering space
the glazed and green roof of the canteen, of the services interweave. where employees can share information and develop collaborations.
The facade treatment is diversified: the opaque portions of the On the upper level, around a half-moon distribution, there are the
offices are finished with reinforced concrete panels while the meeting rooms and the private offices, overlooking a central volume
vertical connections and the structural fins have the sides finished called Ha-Ha, illuminated by zenithal light via a large skylight
with panels with double internal insulation; the stepped volume is supported by a metal triangular truss system.
made of exposed white painted reinforced concrete; the west glazed At the centre of the main block there is a scenic spiralling staircase
facade is screened by a green void and by a solid panel. Some composed by a single structural element based onto a hypo-trocoidal
vertical connections such as staircases, goods lifts and lifts, are mathematical curve which creates a smooth continuous three-
located externally to make sure they don’t interrupt the spatial dimensional surface between the various levels.
continuity. Between the blocks of the upper floor the boxed beams The workspaces for the 6-700 employees are distributed over the
project towards the outside going beyond the perimeter wall to different floors with a recurring open space arrangement designed to
create three landmarks with the client’s board. guarantee the best space of the available floorplan and to allow the
151ARKETIPO ENGLISH TEXT
gathering of groups of people without compromising the privacy. is to comply with this principle. The circulation between the blocks is
Thanks to a design entirely oriented towards the environmental via two large perpendicular corridors where there are the services and
sustainability and energy efficiency, the building has obtained an the vertical distribution systems (in correspondence of the greenhouses)
Outstanding BREEAM certification, the maximum score for the making the directions clear and easily identifiable. This lay out is
British protocol which has put the building with the highest score repeated also at the upper floors; the central block is also surrounded
for commercial properties. The achievement of this result needed by a balcony overlooking the internal greenhouses. A smaller fifth
the careful selection of construction technologies and the steering building, located on the north east elevation, ideal continuation of one
towards natural materials such as sandstone, used for the facades’ of the two horizontal corridors, houses activities connected to
finishes, and bronze alloy for the screening components. Also, climate conferences, communication and education. The Foyer, structured as a
control strategies have been integrated to reduce energy consumption greenhouse, acts like a filter and connection between the workspaces
including natural ventilation, using the facade elements, recycle of and this small auditorium for 184 people. The block is organised over
rain and grey water, waste recycling, automated control system for the three levels: in addition to the double height auditorium hall, meeting
monitoring and management of the internal environmental conditions rooms. The main hall is inclined and entirely finished with MDF panels;
and integrated LED lighting system within the pre-installed ceiling the ceiling has got deal acoustic features thanks to the use of reflecting
panels with 2.5 million of aluminium petals capable of ensuring the and perforated MDF panels suspended from steel cables, with variable
ideal lighting level and acoustic absorption for the working spaces. inclination. The choice of materials is coherent across the entire
complex: the structure is entirely made of steel with the only
Page 070 exceptions of the service core made of reinforced concrete. All the
blocks have simple volumes, marked by the trussed roof of industrial
PRYSMIAN GROUP legacy. It is however a reinterpretation in a high-tech key of the
HEADQUARTERS traditional manufacturing building. The north facing slopes allow for
MILANO, ITALY natural light to enter inside; the south facing ones present adjustable
Maurizio Varratta Architetto aluminium screens to control the glare and the radiations. The quality
TWO TRIPLE HEIGHT VOLUMES PERPENDICULAR TO THE FOUR MAIN of the internal lighting levels is further controlled by internal
OFFICE BUILDINGS ARE FULLY GLAZED GREENHOUSES TO mechanical roller blinds on both slopes. The vertical enclosures reflect
INCLUDE, IN ADDITION TO THE HORIZONTAL AND VERTICAL the concept of lightness and high technology; they are infact composed
CONNECTIONS BETWEEN THE VARIOUS CORPORATE AREAS, ALSO of transparent parts on
SPACES FOR GATHERING, RELAX AND SOCIALISING. THEY ALSO the continuous facade, screened by aluminium brise soleil, internal
CONTRIBUTE TO MAKE THE BUILDING ENERGY EFFICIENT, THEY and external curtains. The opaque parts are instead composed of dust
CONTROL THE LIGHT FLOW AND MITIGATE IN A PASSIVE WAY THE painted aluminium modular panels. The vertical enclosures
INTERNAL SUMMER AND WINTER TEMPERATURES. too maintain a coherent language on all the elevations, alternating
The new Prysmian Group’s headquarters are located in an area with a aluminium and glass, but they become more or less open depending on
clear industrial past. The building designed by Maurizio Varratta the level of light radiation: in this way, the south facing elevations and
manages to efficiently configure such legacy with the corporate the entrance hall are screened by the same aluminium brise soleil used
principles which make the new headquarters a virtuous example of an on the roof. The elevations of the smaller blocks of the greenhouses
innovative and pleasant workplace. The area was already occupied by instead envisage the use of external and internal curtains. The
an existing building which was demolished in 2011 to give space to this structural system has been conceived as a continuation of the
new scheme which occupies the same volume. In this way there was no compositional principles: the vertical structures are made of the steel
increase in the area occupied; in addition the tower repeating the structural grid and maintaining large spans. The floors are
used for the old factory has been maintained and restores together with pre-stressed pre-fabricated hollow slabs flush with the beam for spans
the part of the building called Energy House, which now houses the larger than 12m. Reinforced concrete walls and cores provide the
nurse room, post office and other ancillary spaces. The building, which structural brace to the entire structural system, together with east and
is occupied by 700 employees, is composed by four main blocks, west facades of the office blocks which are also made of reinforced
oriented toward the east-west direction and parallel to each other. These concrete and mainly solid.
main volumes, which includes the office spaces, are broken up by
shorter blocks, configures like large greenhouses: these are triple height
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spaces containing areas specifically designed like interactive spaces
and for distribution to the office buildings. The greenhouses are the
NORVENTO HEADQUARTERS
main features of the project, capable of transforming the requirements
LUGO, SPAIN
related to the organisation of the building, to the comfort of the users Francisco Mangado
and to the energy efficiency as part of a design opportunity. These ONE SINGLE FLOOR WHERE THE ARCHITECTURAL VOLUMES ARE
ORGANICALLY CONFIGURED AND THE FLUIDITY OF THE INTERNAL
spaces infact houses a variety if functions which are normally
SPACES BLENDS WITH THE NATURAL LANDSCAPE.
considered less interesting, designing a landscape which control the
THE VOLUME, ENERGETICALLY INDEPENDENT AND NOT
internal lighting. In this space there are the staircases and the lifts, in
CONNECTED TO THE ENERGY NETWORK, MATERIALISES WITH A
addition to the horizontal distribution, which allow the access to the
FACADE MADE OF WOODEN MODULAR PANELS MADE OF WHITE
areas to be used as offices. The complex is articulated over three storey
EUCALYPTUS.
above ground: the main blocks are occupied by flexible and open space The construction of the Norvento Headquarters was completed in
areas, broken by more private rooms for a total of 650 workstations. 2016, after a long process started with the design competition won by
The depth of these block is limited thus allowing the natural lighting of the Spanish architect Francisco Mangado in 2011.
the spaces; the choice to position the distribution corridor inside the The building is located at the border between an area with a
block predominantly industrial use and a green area characterised by a
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