Concrete award for The Line and Hoog Lindoduin

15 June 2022

On Tuesday 14 June 2022, the Concrete Event 2022 took place in the Van Nelle factory in Rotterdam. During the event, the winners in the different categories of the Concrete Prize 2021 were announced.

Pieters won with no less than 2 projects! Namely, The Line in Amsterdam in the Groundbreaking Construction category, and Hoog Lindoduin in Scheveningen in the Existing Construction category.

The Line
The 72-apartment residential building The Line, designed by Orange Architects, is located on the north bank of the IJ, in the Overhoeks planning area, opposite Amsterdam Central Station.

The project was built on an underground parking basement, commissioned by Overhoeks Development Team (Amvest & Ymere). Because the district is densely built, maintaining sufficient daylight at street level was an important starting point. For this purpose, the upper floors have been slightly reduced in size by means of setbacks, so that sufficient daylight remains possible at street level.

The balconies are part of a continuous outdoor space around the building. The identity of The Line is largely determined by the facade grid that surrounds the building, this grid is composed of 60 mm thin balcony edges and 880 slender concrete columns. From the concept phase, these components were conceived in ultra-high-strength concrete (UHSB). There has been intensive collaboration with Hi-Con Nederland to further develop the intended balcony slabs and the facade columns.

Pieters Bouwtechniek, together with Hi-Con, is responsible for the design and engineering of the iconic balconies and exterior columns. Goudstikker - de Vries B.V. is the main constructor of the project.

Team: Orange ArchitectsHi-Con Nederland, Goudstikker - de Vries B.V.Bouwbedrijf M.J. de Nijs en Zonen B.V.Pieters Bouwtechniek

Jury motivation:

"This apartment building has many special features, of which the architectural application of the ultra-high-strength concrete in the ultra-thin balconies and columns is the most striking. This concrete application also saves CO2."

High Lindoduin
Hoog Lindoduin in Scheveningen is a striking L-shaped residential building with 14 floors and 182 social gallery houses. Commissioned by housing corporation Vestia, the building has been renovated on a large scale, with the building stripped down to the concrete shell to make way for the same number of homes, designed by Splinter Architecten.

A major leap in quality has been made in the field of sustainability, house floor plan, living comfort, energy efficiency, sound insulation, fire safety and aesthetic appearance. The building is gasless. Each home has been given an individual heat pump that is connected to a ground source for heating and cooling.

All consoles, balconies and galleries of this striking gallery flat had to be replaced from a safety point of view. This work was combined with a large-scale renovation of the houses themselves.

In close collaboration with Normteq, Pieters Bouwtechniek has devised a solution for the ultra slim consoles of the balconies/gallery. Steel outside the thermal shell was not desirable because of the maritime climate in Scheveningen. In addition, the task was to devise the thinnest possible construction for, among other things, maximum daylight and free height. This was ultimately achieved by means of an ingenious steel connection in the concrete consoles, which is tensioned against the existing concrete hull by means of pretension. The nuts for the pre-tension were also cast on afterwards, resulting in a durable knot. Only thanks to the great collaboration with all partners (Normteq, VestiaBAM WonenJan SplinterABT and HCI Betonindustrie B.V.) we were able to successfully realize this connection.

Concrete price
This prestigious prize has been awarded every 2 years since 1979 to leading projects in the concrete construction sector in order to increase knowledge and expertise in the entire Dutch concrete sector. These projects are an example of intelligent, responsible, future-oriented, valuable and inspiring applications of the material concrete.

Buildings or parts (in the broad sense of the word) that are completed in the Netherlands by Dutch or foreign companies are eligible for the Concrete Prize. Projects realized by Dutch companies abroad may also qualify, provided that there must have been a substantial contribution from Dutch concrete expertise.

The Concrete Prize is organized every two years on the initiative of the Concrete Association, the knowledge platform within (concrete) construction.



The Line, Amsterdam
The Line, Amsterdam
Presentation Concrete Award 2021 for The Line, Amsterdam
Hoog Lindoduin, Scheveningen | Photo: Splinter Architecten
Hoog Lindoduin, Scheveningen | Photo: Splinter Architecten

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