Osmoz / 44-certified housing Passivhaus

Ca s o s tu d i o : O s m o z / 4 4 -ce r ti fi e d h o u s i n g P a s s i vh a u s
S i to we b : h ttp ://www.co n s tr u cti o n 2 1 .o r g /i ta l i a /
Osmoz / 44-certified housing Passivhaus
PUBBLICATO DA POTIN | 0 1 LUGLIO 16
Tipo lo gia di pro getto : Nuo va co struzio ne
Tipo di edificio : Co ndo minio di altezza
inferio re a 50 m
Anno di co struzio ne : 20 15
Zo na climatica : [Cfb] Marine Mild Winter,
warm summer, no dry seaso n.
Superficie utile calpestabile : 3 10 6 m 2
Co sto di co struzio ne/ristrutturazio ne : 4
340 0 0 0 €
Numero delle unità funzio nali : 44
Appartamenti
Co sti/m2 : 1 39 7 €/m 2
Co sti/Appartamenti : 9 8 6 36
€/Appartamenti
rue du Gargo t , 440 0 0 Orvault, France
// Descrizione
T he willingness of the developer and the planner f or this island, f rom the competition phase is to position
the project of high environmental quality and to include it in a PassivHaus certif ication. A passive residence
is a virtually independent housing f or its heating needs: it can indeed be content with solar gains, the
energy released by the occupants and household appliances and good insulation. Requirements "induced"
by the lens 'passivhaus' are numerous: controlled cost, design details, collaborative work upstream with all
project stakeholders, etc ... T hese objectives can sometimes get in 'conf lict' with urban requirements.
Nevertheless, f acing south towards the Garettes Vallon in Orvault, in the Nantes area, the island site is
positioned as a "balcony" opening on an open and green view, which is a North gazebo / South almost
perf ect 'proposal f or a' passiv'haus'. T he architectural layout is divided into three separate buildings, and
supplemented by three semi-underground houses built specif ically in the Park. T his f ragmentation of the
buildings can of f er views sequenced f rom the street to the north, and soothes density 'supposed' of the
project. T he project f ocuses theref ore a bioclimatic approach:
Mixed c o nc ret e and t imber f rame st ruc t ure is f avo red giving t he building inert ia nec essary f o r any building
t o st o re heat and redist ribut e it , as well as t o f avo r t he ac o ust ic s bet ween apart ment s,
Do uble insulat io n f ro m t he o ut side and inside is pro vided wit h t reat ment o f t hermal bridges
Lo o king f o r a c o mpac t and a c ro ss o f t he vo lume o f ho using (f o r nat ural vent ilat io n via o pening o n
o ppo sing f ro nt s)
Co mf o rt vent ilat io n rec o vering int ernal heat ,
Co rrido rs and balc o nies in wo o d and met al st ruc t ure det ac hed f ro m t he primary st ruc t ure o f f rames (t o
avo id t hermal bridge)
T he project emphasizes the concepts of ownership and residence by the will to get closer to individualized
access f or maximum housing, and by private extensions f or each dwelling. Also, our project proposes to
re-introduce concepts such as the f act to survey an alley, to borrow a gently sloping path to walk along a
valley, crossing a bridge, to overhang another place, to go home.
For each building, the main access is by the north f acade. T he external walkways detached f rom the main
structure, of f er multiple views and promote lif e skills together. T hey generalize apartments crossing,
double and triple orientation, without vis-à-vis and preserving the privacy of each.
On the ground f loor, housing is accessible f rom the outside by a f ootpath of f the ground, "pontoons"
introducing a gradual distancing between the public and the private.
T he buildings, corridors and terraces, are wrapped in a skin natural douglas blades purged sapwood, with
alternating rhythm. South, Vallon side railings also describe an alternating rhythm: light metal f loors and
attic openwork chevrons. In the North, Railing corridors are lighter, perf orated metal, to pass a more
homogeneous light. T his allows to reduce the linearity and break the monotony of plain f acades and cutting
the f rame in rhythmic sequence. T his epidermis and provides a vibration chromatic f acades and suggested
thickness.
At t e ndibilit à de i dat i :
Certificazio ne di terza parte
// Stakeholders
Progettista
No me : Guinée*Po tin architectes
Hervé Po tin architecte dplg
Sito web : http://www.guineepo tin.fr
T ipo lo gia co nt rat t uale :
Lo tti separati
Appro ccio de l pro prie t ario alla so st e nibilit à e ne rge t ica :
certificatio n Passivhaus and NF HQE ho using.
The pro ject o wner is co mmitted to a dual appro ach:
De scrizio ne archit e t t o nica : The pro ject is in a green enviro nment and explo its the advantages o f the site respecting the
architectural identity o f the future district.
The pro ject emphasizes therefo re the enviro nmental appro ach and ado pt the principles o f bio climatic architecture, a site
“nearly ideal” fo r this:
- A mixed co ncrete and timber frame structure is favo ured giving the building inertia necessary fo r any building to sto re heat
and redistribute it, as well as to favo ur the aco ustics between apartments,
- A do uble insulatio n fro m the o utside and inside with high airtightness.
- Research o f co mpactness and a cro ss o f the vo lume o f ho using.
- Several Lo cal public bicycles will be pro vided inside buildings
- The co rrido rs and balco nies in wo o d and metal structure detached fro m the primary structure o f the frames (to avo id thermal
bridging)
Therefo re, the pro ject meets the thermal perfo rmance in a PassivHaus certificatio n.
// Energia
Energy consumption
Fabbiso gno di e ne rgia prim aria : 45,0 0 kWh EP/m 2 /an
Fabbiso gno di e ne rgia prim aria de l m e de sim o e dif icio co st ruit o se co ndo gli st andard m inim i pre vist i dalla no rm at iva vige nt e :
45,0 0 kWh EP/m 2 /an
Me t o do di calco lo : RT 20 12
CEEB : 0 kWh PE / €
Performance dell'involucro
T rasm it t anza :
0 ,8 0 W.m -2 .K-1
Indicat o re : I4 (I4) m 3 /H.m 2 n50 (Vo l/H) Q4
Indice di t e nut a all'aria de ll'invo lucro e dilizio :
0 ,11
// Fonti Rinnovabili e Impianti
Systems
Im piant o di riscaldam e nt o :
Emissio ne - Radiato re elettrico
Im piant o di pro duzio ne di acqua calda sanit aria :
Po mpa di calo re
So lare termico
Im piant o di raf f re scam e nt o :
Nessun sistema di raffrescamento
Im piant o di ve nt ilazio ne :
Scambiato re di calo re a do ppio flusso
Sist e m i pe r lo sf rut t am e nt o di f o nt i di e ne rgia rinno vabili :
Po mpa di calo re
// Prestazioni ambientali
// Prodotti
aluminum joinery
Pro dut t o re : Kline
Co nt at t o : Menuisries Kline - 8 50 0 0 Les Herbiers
Sit o we b: http://www.k-line.fr
Cat e go ria de l pro do t t o : Opere di finitura / Elementi esterni - Po rte e Finestre
De scrizio ne :
Jo inery aluminum triple glazing
Co m m e nt i:
This is jo inery very high thermal perfo rmance, adapted fo r Passivhaus. These jo ineries also
allo w perfect sealing o f facades.
Framing, carpentry and wood siding
Pro dut t o re : CMBS
Co nt at t o : Z.a. du Creler, 56 19 0 Le Guerno
Sit o we b: http://www.acieo .fr/
Cat e go ria de l pro do t t o : Opere strutturali / Tampo namento , Rivestimento , Tenuta
De scrizio ne :
The pro ject structure is mixed co ncrete shear walls fo r sails, and wo o d fo r devices co ats walls.
The frame is wo o d. This ensures o ptimal enviro nmental perfo rmance, co ncrete ensuring the
thermal inertia o f the pro ject, wo o d, bio -based materials with the interpo sitio n o f an efficient
thermal insulatio n between framing members. Wo o d siding is o f several types: natural do uglas
purged sapwo o d (3 natural class) to the attic and exterio r sheds, and Do uglas Treaty "bro wn"
fo r co mmo n parts.
Co m m e nt i:
Wo o d describes the pro ject in its integratio n with the eco -neighbo rho o d, and identifies the building in the near landscape,
o pen to the Vallo n and inhabitant 'territo ry.
// Costi
Co sto di co struzio ne/ristrutturazio ne : 4 340 0 0 0 €
Construction and exploitation costs
Co st o glo bale : 4 340 0 0 0 ,0 0 €
Co st o glo bale /Appart am e nt i : 9 8 6 36 ,36 €/Appartamenti
Co st o de l pro ge t t o : 318 8 25,0 0 €
// Qualità della pianificazione urbana
Am bie nt e urbano :
densificatio n.
This is the eco -neighbo rho o d o f the Vallo n des Garettes, no rth o f Nantes, Orvault, in full urban
Supe rf icie t o t ale de ll\'are a di int e rve nt o :
Num e ro di parche ggi :
6 18 1 m 2
8 8 semi buried lo ts, buried and aerial
// Qualità ambientale dell'edificio
Qualit à am bie nt ale de ll\'e dif icio :
Bio diversità
Cantiere (inclusa la gestio ne dei rifiuti)
Acustica
Efficienza energetica
Energia da fo nti rinno vabili
Integrazio ne ambientale
Pro cessi di co struzio ne
Pro do tti e materiali
// Concorsi
All acco mo datio ns (44) have been certified 'passiv'haus' by 'The Passive Ho use'. The pro ject is part o f the Vallo n des
Eco quartier Garettes at Orvault.To us ho using are thro ugh, with have a do uble o r triple o rientatio n, and all have an o uter
surface (balco nies, terraces o r gardens). The aesthetics o f the pro ject witho ut co mpro mise, invo lves an enviro nmental
architecture is syno nymo us with architectural and landscape quality.