PORTFOLIO 2023 MANUEL HOLZER

Manuel André Holzer

Work Collection Year 2023

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Slope

Design of a family home in the hills

location Heidaskogen, Norway

typology residential

size m² 870

Photo shop.

Archi CAD.

Lumi on.

Illus trator.

Design Concept Diagram (2)

Goals of the Course:

„Architecture puts its program in a clarified relationship to the local context.“

The task is to design a holiday house (four residents) with the usual basic functions, which stages the daily routines

while offering an exceptional architectural experience. Next to functional aspects, the focus is primarily on how the house profiles itself due to its construction, spatial qualities, orientations and its appearance with the peculiarity

of its outstanding location, the hillside, which identity it develops from this as a building and what makes clear that the building belongs into this remote location and nowhere else.

interior & framework

transparent envelope

Design Concept:

The focus was to implement the exceptional location into daily actions by creating visual references (2) and gently pushing its users to experience nature‘s forces. Another factor was the hillside which the house deals with. In place of leveling the site, the slope becomes part of it. Instead of creating artificial walls, the roof is settled right on the hill — hedonistic sustainability.

Instead of squeezing everything under one roof, it is divided and equalized. The four roofs form a unity nestling into the slope (3). Each house fulfills a curated purpose. This segmentation brings a variety of benefits to its inhabitants.

The most significant is the expansion of the inside through the terraces in between the houses (7b).

The opaque sliding doors are the lower stories’ only barriers (6,7c). When moved to the side, there’s no distinction between inside and outside.

The little spaces interconnect with the outside space they surround.

What looks like a tiny house on paper becomes almost doubled in reality. It generates fascinating visual references (6) and a clear separation between private (5) and shared (4) spaces.

"Build differently in the future"

- Klara Geywitz, federal minister for housing & construction, Germany

Goals of the Course:

The desperate need for sustainable social housing sets the virtual foundation stone for this project.

The task is to design a modular social housing complex for the city of Dusseldorf. Its primary building material is supposed to be serial produced mass timber.

Photo shop.

D5.

axonometry Archi CAD.

Illus trator.

Social Housing in urban areas

Design Concept:

Located in Dusseldorf's neighbourhood of Wersten, the 5900 m² complex with its marketplace and public walkway is reminiscent of the typical courtyard typology. Timberyard offers 36 affordable homes, a combined public rooftop and walkway, and a meeting point with its public courtyard marketplace.

The perimeter block is lifted towards the access street leading to Dusseldorf centre, bringing daylight into the lowered courtyard and forming a welcoming gesture for everyone passing by. Inviting neighbours and visitors to take the spiralling walkway/ bicycle lane to meet up and shop for locally grown vegetables in the heart of the buildings, followed by a walk on the circular rooftop garden, which can be entered via one of the five cores.

The dismantlable hybrid construction fusing the worlds of concrete and timber architecture receives wide-open floorplans that lead to different apartment typologies.

Timberyards' modular construction system contributes to fast on-site construction time, meaning a higher cost efficiency resulting in affordable rents.

The facade is a modular system out of curved panels and triple glazing. Towards the courtyard, these elements cantilever at three different distances, extending the living area, creating terraces, constructive sun protection and facade greenery.

1 Roof construction: Retention roof:

intensive greenery

intensive substrat 150 - 350 mm

sub-substrate 55 mm

suction and capillary fleece water retention box 85 mm with capillary bridges protection and storage fleece

2x bituminous sheeting hard foam boards 180 mm

vapour barrier

seperating layer, Composite ceiling slab: max. 100 mm reinforced concrete supported by laminated timber beam 100/260/8560 mm

2 Facade-roof terrace construction: curved steel-facade 2 mm, Substructure:

2 aluminium angles; 1x 100 mm; 1x 260mm, CLT L-70/3s; 20/30/20 mm; protected by waterproof PVC membrane, steel-facade 2 mm

3 Facade construction: curved steelfacade 2 mm airspace 120 mm,

Substructure:

2 thermally seperated aluminium angles 1x 100 mm; 1x 230mm, between them minimum 180 mm mineral wool thermal insulation

CLT L-100/3s; 40/20/40 mm

vapour barrier

18 mm waterproof plywood panel

15 mm clayplaster white finish 240/240/3500 mm laminated timber support pillar fire-retardantimpregnated

4 Interior wall construction: Pre-wall installation: tiles 75/75/8 mm

2x cement board waterproof 12,5 mm C-stand profile 150/60 mm; CLT L-70/3s; 20/30/20 mm clay board 18 mm white clay plaster 3 mm

5 Slab construction: floor covering 10 mm hollow floor plate 38 mm raised floor elevation 150 mm; between footfall sound insulation

Composite ceiling slab: max. 100 mm reinforced concrete supported by laminated timber beam 100/260/8560 mm at 1300 mm centres

6 Basement ceiling construction: tongue and groove pine boards 20 mm floating screed 60 mm mineral wool 120 mm, floor heating reinforced concrete slab 250 mm

Cantilever ceiling construction: Retention roof: flow control system; pavement stones 50 mm bedding stone chipping 0-5 mm; 50 m base gravel layer 0-40 mm; 105 mm suction and capillary fleece water retention box 85 mm with capillary bridges protection and storage fleece 2x bituminous sheeting hard foam boards 180 mm

vapour barrier seperating layer, CLT L-130/5s; 30/20/30/20/30 mm

Suspension system:

airspace / installation level 155 mm 40/40 + 40/10 mm counter battens, between them 45 mm mineral wool

acoustic insulation

acoustic fleece

40/40 mm fire-retardant-impregnated pine battens at 80 mm centres

Window: laminated glass 3x6 mm + cavity 2x18 mm, fixed top and bottom to CLT

8

LOCAL+

Bring movement to our cities

location: Wuppertal, Germany

typology: residential, masterplan

size m²: 156, 737.000

Team LOCAL+'s concept:

In response to today's challenges, such as climate change, scarcity of resources, urbanisation, and a growing and ageing population, LOCAL+ aims to promote a flexible, sustainable and socially responsible housing solution that keeps pace with the constant changes in everyday life.

For this purpose, the team has chosen a building gap (2) in the Mirke Quarter (Wuppertal, GER) as the setting. Here, in addition to social differences, age variatons, in particular, play a key role. To promote social interaction, the team has developed a living concept for (temporarily) single people like newcomers, students or pensioners who want to

be part of a community.

To support social interaction, the building design is based on keeping individual space to a minimum and thereby offering larger communal areas.

A high degree of flexibility allows an innovative living concept that adapts to the individual needs of a diverse group of residents.

©Aryan Mirfendereski

design challenge (dc)

In addition to social interaction, LOCAL+ aims to create a building that innovatively and intelligently adopts new approaches to energy and sustainability. A clever combination of different means of generating, storing and using energy enables two-thirds of the building's energy needs to be covered.

Furthermore, the circularity of the building is increased by an efficient and sufficient choice of materials and detachable construction. In this way, the goal of reducing the carbon footprint and planning and building to conserve resources is achieved.

The building was designed to transfer the concept to other urban situations, thus serving as a prototype for closing gaps and vacancies or new buildings.

Areas of responsibility:

Concepts, research, architectural designs, teams BIM Manager, knowledge sharing, production of graphic and written documents in english, relations with partners and sponsors, construction of a 110 m² habitable prototype, public tours, presentations, interviews.

DC concept:

While the basement, the ground floor, and the attached garden offer communal areas for the entire house. The four upper floors each form a shared apartment for three roommates.

On about 60m2, they share a bathroom, a pantry-kitchen and a flexible communal area that is constantly changed by the Cubes.

Cube Concept:

The Cube was invented to show a contrary traditional rooms. The room units are a central design aspect and architectural innovation since they are fully movable! They create spatial diversity by permitting adaptable zoning of rooms (3) but mainly serve as personal retreats and workspaces.

Their minimised size puts interaction, communication and communal living in the spotlight and reduces the living space used per person.

The cubes are movable rooms with floors, ceilings, and walls that can be moved around the room by hand using rollers. On the one hand, they function as a space-creating element, and on the other hand, they can be moved to create various spatial boundaries and thus meet the temporary needs of a daily routine.

With the help of furniture attachable to the cube outside, varying situations in everyday life can be represented. The season and the daily position of the sun will consciously influence the movement of the cubes because the residents will get more quality out of the given spaces through the cubes.

isometry / cubes sitting niche

isometry / cube couch

1 couch / bed

2 shelf

3 pegboard inside

4 pivot door

5 pegboard outside

house demonstration unit (hdu)

design translation (4)

HDU concept:

The house demonstration unit is the translation of the design challenge into an exhibition architecture. While the lower floor combines the communal living room and the kitchen, the upper floor represents one of the four shared apartments of the DC.

The demonstrator (hdu), which consists of ten solid timber modules, was built with mostly detachable, reusable and ecofriendly materials and construction methods. The facade picks up on the photovoltaic panels, the wood cladding as well as the plant elements of the design challenge. In addition, the two outer walls with an air-cleaning textile reflect the neighbouring walls of the building gap. Finally, the energy concept with the PVT panels, the heat pump, the ice storage and the heating/cooling ceiling were also adapted.

Virtual tour?

1 Roof construction:

greenroof system 50 mm

waterproofing

glassfoam slope insulation 240 mm

vapour barrier

board stacked wood ceiling 200 mm

ceiling heating system 28 mm

clay plaster 3 mm

2 Green-facade construction:

living wall outdoor system 60 mm

Substructure:

agraffe, horizontal mounting rail, vertical aluminium mounting rail Tshape 50/100 mm, thermally seperated aluminium angle 280/85 mm; in between ventilation 92 mm

vapour barrier

wood fibre insulation 240 mm

CLT L-120/3s; 40/40/40 mm

clay plaster 25 mm

3 Slab construction:

natural rubber flooring 4,5 mm

free floating subfloor system 15 mm

CLT L-120/3s; 40/40/40 mm

ventilation 100 mm

grain filling as ballast 100 mm

OSB board 30 mm

clay modules with integrated ceiling

heating and cooling system 35 mm

clay plaster 15 mm

4 Slab construction:

natural rubber flooring 4,5 mm subfloor system 15 mm

clay ballast plates 30 mm

CLT L-120/3s; 40/40/40 mm

high efficiency insulation boards

130 mm; 2x 50 mm 1x 30 mm

underlay membrane

5 Cube wall construction

pegboard; multiplex 18 mm

timber agraffe system 27 mm

textile membrane

timber wall frame 60 mm; in between

sound insulation

textile membrane

pegboard; multiplex 18 mm

6 Cube slab construction:

natural rubber flooring 4,5 mm

sound insulation 7 mm

OSB board 30 mm

timber floor frame 100 mm; in between insultation 60 mm

heavy-duty casters 50 mm

7 Window: glass 48 mm; 3x4 mm + cavity 2x18 mm

8 Terrace floor construction:

timber plank 145/28 mm

timber beam 80/140 mm

squared timber coupling with rotating half coupling 48 mm

O-double bar

foot spindle; start piece

concrete plate 30/300/300 mm

©Aryan Mirfendereski

©Aryan Mirfendereski

Thannk