ArchShowcase 
Sumit Singhal
Sumit Singhal loves modern architecture. He comes from a family of builders who have built more than 20 projects in the last ten years near Delhi in India. He has recently started writing about the architectural projects that catch his imagination. PATCH22 in Amsterdam, Netherlands by FRANTZEN et alFebruary 12th, 2017 by Sumit Singhal
Article source: v2com Patch22, designed by FRANTZEN et al, was awarded the WAN 2016 residential award on January 10th 2017 and was also given a Green Award a day earlier. In December the project was runner-up to the Amsterdam Zuiderkerk award for the best housing project of 2016 while in November Patch22 was runner-up for the ARC2016 innovation awards.  South west view, Image Courtesy © Luuk Kramer
 South west view, Image Courtesy © Luuk Kramer Patch22 is the highest wooden apartment building of the Netherlands Patch22 is not only clad with a wooden façade but has a 30m high wooden load bearing structure in which the wooden columns, wooden beams and wooden walls remain visible in the interiors of the apartments. Fire regulations were met with by simply enlarging all the wood dimensions. In case of fire the outer layer of wood can burn up and will protect the structurally necessary wood by charring for up to 120 minutes. It is the first apartment building in the Netherlands to use this approach and therefore to make it possible to experience the atmospheric qualities of wood in a high-rise building.  North west view. The loggias in the north facade serve as a sound barrier, Image Courtesy © Luuk Kramer  South facade with wooden beams and trusses in front of 2,7 m deep loggias, Image Courtesy © Luuk Kramer Patch22 has very flexible apartment layouts The apartments, totally empty when sold, have a flexible layout by using hollow floors in which the installations can be adjusted as desired. Owners can install their own installations and pipes by easily removing the top layer of the floors. This way the owners can design and realise their own floor plans and even adjust them over the years. By negotiating a new kind of land lease contract with the city of Amsterdam it is made possible to change the function of the total building from housing to offices whenever this might be needed in future circumstances. The high ceiling height of 3,5 m net is not only spacious for the current owners but anticipates on different future uses.  apartment 5: a completely open floorplan appartment with a minimum of walls to maximise the loft feel and to minimalise construction costs, Image Courtesy © Luuk Kramer  apartment 5: a completely open floorplan appartment with a minimum of walls to maximise the loft feel and to minimalise construction costs, Image Courtesy © Luuk Kramer Patch22 is the result of an innovative tender procedure In 2009 Lemniskade Projects won the Sustainability Tender Amsterdam Buiksloterham with their proposal Patch22. The tendering procedure was innovative because the proposals were judged on sustainability aspects instead of financial bids. The energy-neutral building provides its own energy by a large amount of solar panels on the roof and is heated by a C02 neutral heating system that uses ”Pellets” (compressed wood) as fuel. The abundant use of wood helps to store as much CO2 as possible in the structure of the building. The name Patch22 refers to Catch22, but with a positive approach to closed circularity in materials and energy consumption.  apartment 9: an open floorplan appartment for a family with to teenage doughters. The structural wooden wall of the west facade is present in the complete space, Image Courtesy © Luuk Kramer  apartment 19: The 18m wide glass facade can be felt hroughout the entire apartment offering a majestic view on the old city centre of Amsterdam, Image Courtesy © Luuk Kramer Patch22 was developed by the architect himself FRANTZEN et al architects and H20 installation consultancy & building management have jointly established Lemniskade Projects to realize Patch22 at their own expense and risk without the intervention of a traditional development company. Lemniskade Projects recently acquired the neighbouring plot and developed a new project called Top-Up. This will also become a 30m high wooden apartment building on top of an existing concrete structure. It is scheduled to break ground in june 2017.  apartment 19: An open floorplan on the top floor of the building is combined with cellular sleeping rooms for the two children and a guestroom, Image Courtesy © Luuk Kramer  The apartments are empty when handed over to the owner, they build the interiors themselve, Image Courtesy © Luuk Kramer About FRANTZEN et al / Tom Frantzen: Tom Frantzen (*1971; director FRANTZEN et al architecten / Lemniskade ) Tom Frantzen started his career as an independent architect shortly after graduating Cum Laude at the Technical University of Eindhoven in 1995. Since then his office won several competitions and completed a number of high quality buildings. In 2009 Tom founded “Lemniskade project development” together with building-manager Claus Oussoren to develop architectural projects from initiative to completion as an architect-developer. Tom is also member of several advisory boards and lectures regularly at Academies of Architecture in the Netherlands.  apartment 19: An open floorplan on the top floor of the building is combined with cellular sleeping rooms for the two children and a guestroom, Image Courtesy © Luuk Kramer  The loggia balconies on the south side of the buidling are 2 to 2,4m wide offering the posibilitie of using it as a real extension to the interior. Several owners have installed bathtubs on the balconies. Due to the extra slide away single glass sheet windscreens the climate on these loggia balconies is always more moderate than outside conditions, Image Courtesy © Luuk Kramer  The loggias are enclosed with fold away single glass sheets to create wintergardens, Image Courtesy © Luuk Kramer  In Patch22, ‘sustainability’ is achieved through energy efficiency, the use of renewable materials and great flexibility in the floor plan layout options. The 2009 design for Patch22 had a GPR score (a Dutch governmental Benchmark score) for sustainability of 8.9 and an EPC for energy efficiency of 0.2. The roof is entirely covered with PV panels, making the building energy-neutral. Rainwater is collected and reused in a grey water system. Heat is generated using CO2-neutral pellet stoves that use compressed waste wood from the timber industry as fuel, Image Courtesy © FRANTZEN et al  The high-rise section of the 5400m2 building can be converted from commercial space into residential space and vice versa without any changes being needed to the structure. The storeys, which shift in and out in a playful manner, can be used as large loft apartments of up to 540m2 with huge balconies, as up to eight smaller apartments or as open office space covering the entire floor thanks to the lack of structural division walls, the generous storey height of 4m and the high floor load of 4kN. Apartments can be subdivided or merged, and the division into apartments will remain flexible in the future, Image Courtesy © FRANTZEN et al
Contact FRANTZEN et al
Tags: Amsterdam, Netherlands Categories: Apartments, Building, Housing Development, Residential, Urban Design, Vectorworks |
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