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Amsterdam Bijlmer ArenA Station is situated on the southeast of the city
on the line that links Amsterdam with Utrecht. To the west there is a
commercial development area punctuated by the newly built Amsterdam Arena,
a 50,000 seat football stadium. To the east there is a large residential
area with a high proportion of social housing which has become home for
large sections of Amsterdam’s immigrant population. Prior to this project,
there were four tracks running on a raised earth embankment that split
the area in two. The only pedestrian connection was a narrow and dark
tunnel within the old suburban station.

Photo © Ger Van Der Vlugt received from Grimshaws
09/160408
On behalf of the City of Amsterdam, Dutch architect Pi de Bruijn proposed
a 70m wide pedestrian boulevard aligned diagonally to the railway tracks
to connect the two districts. Although initially ProRail were just planning
to add a pair of 200km/h tracks on the Amsterdam-Utrecht line alongside
the existing ones, they agreed to rebuild a 2km stretch of existing railway
with the sole aim of increasing the available height above the planned
boulevard by almost 2m. Both clients then agreed to pool funds in respect
of a new station, which was to be a transport hub in respect of the national
train service, the Amsterdam Metro, buses and taxis, and which was to
be sized to cope with Arena crowds on major match days.
Grimshaw worked with Arcadis Architecten on the redevelopment of the station,
which had to remain open for the entire duration of construction. This
had an important influence on the final design. A viaduct carrying the
extra pair of tracks was constructed first and trains from an existing
pair of tracks were then rerouted onto it, liberating the latter area
as a construction site. This area of embankment was then excavated against
temporary sheet piling installed to retain the adjacent “live” one. The
process was repeated until there were eight new tracks running at the
raised level. The roof enclosure followed sequentially.

Photo © Mark Humphreys received from Grimshaws
14/160408
Every aspect of the design process was informed by the need to civilise
these viaducts and to create a pleasant and safe ground level public space.
To avoid a dark 100m long tunnel, the concrete structures were spaced
apart. Each 20m span was supported at each end on just one column via
an integrated cantilevered saddle. Arrays of columns were then aligned
on axis with the boulevard to maximise visual connectivity from east to
west. However, the most important decision concerned the roof design in
general and its soffit treatment in particular. It is the modulation of
this surface, its ribbons of roof glazing and its acoustically absorbent
Oregon pine surfaces that convey civility from the perspective of the
boulevard and the platforms below.
The base-element of the roof structure is a “V” shaped continuous hollow
steel boom with steel arms cantilevered on either side to support all
the roof glazing. The combined assembly is supported on a series of tubular
“A” frames with only a single deep longitudinal stabiliser near the south
end. Beyond their last supports these booms cantilever up to 18m thereby
enhancing the sense of linearity and direction. The timber lined elements
straddle each track-bed and are open at ridge level to assist natural
ventilation and allow areas for pressure release in respect of 200k/h
trains.
The lack of land to either side dictated a corresponding diagonal station
hall facing the boulevard under the tracks. This diagonal slant dictated
that the escalators, stair, lifts and roofs all be staggered. To signal
the presence of the buried station hall from the surrounding area it was
decided to gently arch each boom structure and to split all roof planes
above the primary vertical circulation. The station’s angular aesthetic
is derived from this methodology. The station is designed to provide a
high level of social security both during the day and at night. Long voids
are cut into the platforms to break down the overshadowed sections of
the 100m wide area below the viaducts. These voids improve the sense of
safety through visual contact and improved transparency between the platform
and ground level areas.

Photo © Mark Humphreys received from Grimshaws
14/160408
They also permit the boulevard and bus station areas to be flooded with
natural light. The station hall and platforms are also designed for maximum
transparency to improve the orientation of travellers within the building.
Escalators, stairs and glazed lifts lead the public from the central ticket
hall up to the platforms.
The building has been warmly received in Amsterdam and is generally perceived
as a catalyst for the development of the area on both sides of the tracks.
Several related projects are already under way, including a parade of
shops facing the station hall on the boulevard’s north side and the complete
overhaul of the square immediately to the east currently cluttered with
a series of temporary buildings.
Bijlmer Arena Station Amsterdam info from Grimshaw 140408
Grimshaw's Bijlmer station expansion in Amsterdam is ituated in the southeast
of the city, the renovated station is one of the ten largest in the Netherlands.
Bijlmer is already a key transport junction, so a major challenge for
the team was to design a station that could be constructed alongside the
day-to-day operation of the existing facilities.
Bijlmer Station
Amsterdam : Stirling Prize Shortlist 2008
Bijlmer Station
Extension architects : Grimshaw
Bijlmer Arena Station Amsterdam - Project Data:
Location Amsterdam, The Netherlands
Contract Value 130 million euro
Area: 6,500m2 ticket, retail & auxiliary space; platforms
Design Start Date September 1997 Site Start Date January 2002
Completion Date November 2007
Address Infraprojecten, Moreelsepark 2 3511 EP Utrecht Postbus 2038
Grimshaw Team
Partner in Charge: Neven Sidor
Team: Simon Moore, Ingrid Bille, Florian Eckhardt, Nick Grimshaw, Ben
Heath, Ewan Jones, John Ridgett, Carl Shenton, Tim Schoenburg; Shoaib
Rawat; Benny O'Looney;
Giles Omezi
Arcadis Team
Project Manager: Jan Schouten
Project Architect: Jan Van Belkum
Team Luc Veeger, Harry Beertsen, Hans Van Weelden, Onur Buldac, Michael
Van Der Kaaij, Arthur De Groot, Jos Delhez, Christiaan Schmid
Services Engineer Arcadis
Structural Engineer Arcadis
Rail Engineer Arcadis
Quantity Surveyor Arcadis
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