ARCHITECTURAL FOCUS
The welcoming building opens up to the city : the entrance connects the square outside with the square inside , creating interaction with the environment . There is more space for people to meet , both inside at the coffee corner , and outside around the seating elements in the square . The building is part of the Humanity Campus , which will be improved in the coming years to better connect with the city and the green canal park . This building is the first step in this process .
A renovation that prioritizes reuse and sustainability During the development of this building , 72 % more sustainable measures were implemented than were required by the building regulations . By selecting high-quality materials with low emissions of unhealthy substances throughout the building , Herta Mohr now has a BREEAM Excellent certification . Insulation , solar panels , and a heat / cold storage system were also added .
In addition , new , efficient installations were installed to meet the high sustainability requirements . However , the existing structure could not support these changes , so the second floor was removed and a completely new structure was built on top of the building . This intervention has combined the separate ‘ houses ’ into one whole , with the technical installations fully integrated .
Reuse
The reuse of most of the original building and façade is a notable achievement . Concrete columns from the demolished central house were reused in the extension . Other materials were also given a new life . For example , the old Sequoia redwood ceiling panels were transformed into wall cladding in the atrium . These slats were carefully worked on , stripped of nails , and milled in collaboration with the social workshop BWRI . The specific pattern of the slats meant that everything could be prefabricated and installed , minimizing waste .
Respect for the existing
The renovation of the Cluster Zuid building complements and reinforces the existing design . The refurbished building reflects the spirit of Joop van Stigt as well as that of the present . By opting for renovation and sustainability , Herta Mohr has gained a new place in the collective memory of Leiden .
The project was carried out in collaboration with Combinatie Cluster Zuid , consisting of Constructif and Koninklijke Kuijpers . The project also included excellent cooperation from Aronsohn , Buro Bouwfysica , BWRI , KCAP , C2N , Fokkema & Partners Architecten , Harryvan , Nelissen Ingenieursbureau , New Horizon , and Pieters Bouwtechniek .
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