det grønne strøg / the green line - the high-level landscape of Kalvebod Brygge

An ambitious plan to create a raised landscape at a high level between new buildings on the railway side of Kalvebod Brygge was set out in the local plan of 2006 where it was described as if it was to be a series of hills.

The first part of the gardens, at the north end - with a steep slope up from Bernstorffsgade, between the towers of the SEB offices, was completed in 2009 and the gardens were soon extended on across the roof of a new archive building and through to the Tivoli Hotel and Congress Center. Then the new developments stalled.

The west end of the landscape gardens, through the Nexus building, has just been planted but construction work on the middle section, across the roof of a new IKEA store, has only just restarted.

All these new buildings, that frame the gardens, are between Kalvebod Brygge and Carsten Niebuhrs Gade and, when finished, the high-level landscape will extend for over a kilometre from Bernstorffsgade to a new railway traffic control tower on Otto Busses Vej.

Lokalplan nr. 403 "Rigsarkivet" 2006

the landscape scheme starts at Bernstorffsgade at the SEB buildings
a winding concrete path climbs up a steep slope from the road with well established trees

this sequence of photographs shows the gardens from Bernstorffsgade to Arni Magnussons Gade and the bridges across to Hotel Cabinn

At the city-centre end, at Bernstorffsgade, the landscape starts at street level with pathways twisting from side to side to climb up between the SEB buildings to a point 7 metres above the level of the pavement.

There is then a wide bridge that crosses a service road for the State Archive and the gardens continues between the archive stores on the side towards the railway and a newly-revamped office building, now known as KB32, on the Kalvebod Brygge side. That straight section of garden, 190 metres long and 29.6 metres wide, is 8 metres above the pavement of Kalvebod Brygge.

Maintaining that level, there is a single narrow bridge over another service road before the gardens open out between the towers of the Tivoli Hotel and Conference Centre.

Beyond the Tivoli hotels, there is a slightly odd and over-complicated series of narrow bridges - with handrails that would grace a multi-storey car park - that cross a wider street called Arni Magnussons Gade. It is a dual carriageway that will be the access to a new bus station between Carsten Niebuhrs Gade and the railway.

Here, the landscaped area first forms the canopy over the entrance to the Hotel Cabinn before the garden then climbs up steeply between the two towers of the hotel where it now ends abruptly at a fence before the next section where work has just started on building a new IKEA store.

There, about 17 metres above the pavement of Kalvebod Brygge, the garden or "green lounge" on the roof of IKEA will be level and will cross over Dybbølsbro.

Then, between the two towers of Kaktustårnene or The Cactus Towers designed by Bjarke Ingels, the gardens will drop down at a very steep angle to the entrance level to the two blocks of the new Nexus building and then, between the those two office blocks, drop down again to end at the level of Carsten Niebuhrs Gade.

 

map from 2006 in Kalvebod Lokalplan 403 with the different stages of the development of this area from the SEB site at I through to the IKEA site at IV ….
then, the green line was only to extend as far as the area where Kaktustårnene are, beyond Dybbølsbro, but not the site of the railway control tower

①  Danske Banks Hovedsæde / headquarters for Danske Bank by Lundgaard & Tranberg - under construction
②  SEB Bank & Pensions by Lundgaard & Tranberg 2008-2011 and The City Dune by SLA design studio
③  Rigsarkivet / State Archive by PLH Arkitekter
④  KB32 by Vilhelm Lauritzen Architects and JJW ARKITEKTER completed in 2021
⑤  Tivoli Congress Centre by Kim Utzon 2009-2016
⑥  Hotel Cabinn 2019
⑦  IKEA store by Dorte Mandrup - under construction
⑧  Kaktustårnene / The Cactus Towers by Bjarke Ingels - under construction
⑨  Nexus for Energistryrelsen Trafikstyrelsen and Banedanmark by Arkitema 2014-2019
⑩  Trafiktårnet Øst / Railway control tower by Tranberg Arkitekter 2013-2015

A Bernstorffsgade B Carsten Niebuhrs Gade C Kalvebod Brygge D proposed bus station E Dybbølsbro F Fisketorvet G Metro station opens 2024

 

the gardens on the steep slope where they climb up between the towers of Hotel Cabinn

from the bridge over Arni Magnussons Gade, the gardens climb steeply up to a temporary fence where the gardens will continue on over the roof of a new IKEA store

 

details of the planting and concrete paths on the slope up from Bernstorffsgade between the two SEB buildings by the landscape designers SLA

Planting is well-established between the SEB buildings with a good selection of trees, many with decorative bark, and with some that have grown up through large holes in the prominent concrete canopies of the buildings. Narrow slots in the concrete path channel away rain water that is recycled for watering the trees and shrubs.

Across the roof of the archive, the design is more architectural with low planting and trellis that form a sequence of simple spaces with seating. The gardens help control the temperature and internal climate of the archive.

The section through the Tivoli Hotel has well-established shrubs and trees but the spaces could be better used. This is one area that might be treated like public squares and might even be used to host events. It would also be the one place, along the length of the gardens, that might benefit from a small coffee bar or cafe although, generally, the main character of the gardens is that it is quiet or peaceful ... when taking some of these photographs on a Sunday morning, only two people walked through and there were birds singing loudly in the trees.

The steep path up between the towers of Hotel Cabinn has no trees and although the low planting is good - with a variety of leaf types and shrubs - the plants could be in bolder groups, to create a stronger architectural character against the stark buildings, rather than being scattered. There are benches at intervals up the slope where you can take in the views.

At various points through the gardens there are views out between the buildings to the railway and Vesterbro on one side and through to the south harbour on the other.

There are drawings of the proposed garden on the roof of the IKEA store but it is difficult to imagine how the areas of planting will then drop down the steep slope between the Cactus Towers although Bjarke Ingels has produced planted areas at a similar steep angle on the 8 Building in Ørestad and at Copenhill on the roof of the Amager Bakke incinerator.

Where the garden drops down again between the two blocks of the Nexus building, new planting has established itself quickly and there is an interesting concrete rill or channel to take rain water down through the garden.

Back at the city end, when finished, new headquarters for Danske Bank on Bernstorffsgade immediately north of the SEB towers, will have broad flights of steps up between the buildings to a new terrace overlooking the railway and this will be connected to the main landscaping by a bridge over Carsten Niebuhrs Gade between the SEB building and the Archive.

When finished there will be public access for the full length of the high landscape and with steps up to the gardens at several intermediate points.

new steps up to the gardens with Tivoli Hotel to the left and Hotel Cabinn to the right and with the cross road Arni Magnussons Gade between the two hotels

 

the gardens on the roof over the IKEA store with the two Catus Towers beyond

the far end of the gardens where it drops down between the two blocks of the Nexus building with a view of the new railway control tower beyond

 

the green line continues through Nexus by Arkitema

Nexus is a large, new building where there are offices for five public agencies … Rail Net Denmark, the Danish Transport Authority, the Danish Road Directorate, the Danish Building Authority and the Danish Energy Agency.

From the air view, you can see that there is a complicated, clover-leaf arrangement of four blocks and each with an atrium. From the streets around and from the central 'courtyard' this underlying arrangement is not so obvious.

There are tight, outward-facing open courtyard on both sides of the building …. so on the north side, towards the railway, there is a relatively narrow courtyard with a main entrance from the street level of Carl Niebuhrs Gade and, on the opposite side, towards Kalvebod Brygge, there is a comparable open courtyard that appears to be primarily a light well for what would otherwise be a large and deep block.

Judging by eye, the south block of the four, has two corners set at right angles - so just one side - the inner side - is set at an angle. Two blocks have a single corner each that is at a right angle - the north block with a 90 degree angle towards the small courtyard on its east side and the east block with one external right angle, towards Fisketorvet. The west block has no right angles so there appears to be a game going on here.

It's partly about how someone understands the relationships of the blocks from the outside as they approach the building and in part its about how the view out from the offices is guided by the angle of the external wall.

Some upper levels step back at each floor and change angle slightly so. again, it is about how the blocks are perceived and it hints, unlike a sheer wall, that the building is turning or twisting. The set backs are too small to make much difference to the shadow thrown by the building.

With the garden through the centre of the building, as part of the green line, the visitor is drawn in by the angles narrowing towards a main entrance to the offices at the upper level but also, from the entrance, the angles opening out beyond shows you the way out and on down.

This is a very sophisticated combination of angles, levels and landscape that control and direct how people see the building but also how they move around and into the building.

Inside, the atriums, staircases, wide public areas and views out to courtyards and so on all suggest a flexible work environment and is very much about people move around even during the working day. This is a stark contrast to 'modern' Danish office buildings of the 1950s and 1960s like Søllerød Town Hall by Arne Jacobsen where the over-riding arrangement in the office building is a spine corridor with single-cell work spaces on either side and that is repeated on each floor.

The landscape of Det Grønne Strøg - the green line - runs through the centre of the building and reads as a steeply sloping green canyon that is quite enclosed with bridges across at upper levels

Workers and visitors coming from either Dybbølsbro and the suburban train station or by bike over the cycle bridge, coming from Islands Brygge, arrive at the top of the green street on the north side and there is a main entrance there but with views down the green landscape that drops down a series of zig-zag concrete paths with a concrete rill that will take rain water down alongside the path.

Through the length of the green line, a key part of the design is that all rain water is captured and reused for the plants and trees.

New planting is attractive but, until it becomes more established, it is difficult to judge but there is a good view down from the top to the new railway control tower beyond.

Arkitema - Nexus

 

from the air, the grouping of four blocks forms a clover-leaf arrangement with few right angles
the railway is to the North and Kalvebod Brygge and its slip roads to the south
the Cactus Towers are to the north-east and, when completed, Det Grønne Strøg or the Green Line will cross from the roof of the IKEA store - now under construction - and drop down a steep slope before continuing on through the Nexus building to the landscape around the new railway control tower

the SEB towers at the corner of Bernstorffsgade and Kalvebod Brygge were finished in 2011 and this was the first part of the green line completed … it’s where the landscape rises up a steep slope from pavement level to continue across the roof of the archive building
it is obvious that over a decade later, economic imperatives now determine the amount of land that is built on and the area of public space at Nexus is as tight as possible
in the initial Lokalplan of 2006, the Nexus site was set aside to be a park free of buildings but now open land in the city is seen as too valuable to be left fallow

 
 
 

the original scheme for the south or outer end of Det Grønne Strøg - the Green Line - was set out in a Lokalplan
then, what is now the Nexus site, immediately before the circular railway control tower, was to be left open as a park without any buildings
note that all the buildings were to have a dynamic and twisting outline with all upper floors setting back and the angle changing to reduce the oppressive outline of a tall block with sheer sides and to reduce shadow and reduce the impression of height from below
the two blocks set on either side of the green line on the left or south side of Dybbølsbro - labelled F and G - is the site of the two Cactus Towers by BIG that are now close to completion