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Costa Esmeralda House
Costa Esmeralda House
Pinamar, Argentina
Project Featured on Aug 28, 2015
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Other Projects by BAK Arquitectos
Costa Esmeralda House
Pinamar, Argentina
Project Featured on Aug 28, 2015
Firm
Type
STATUS
Built
YEAR
2012
SIZE
10,000 sqft - 25,000 sqft
MEMORY
The place
This was our first project in Costa Esmeralda, a real estate development
neighbor to Pinamar started in 2004. As a recent batching, at the moment there
are very few constructions and the place is known for having different types of
landscapes, with vegetation varying from pine forests, with similar characteristics
to the forest of Mar Azul, to areas where that vegetation is scarce.
In turn, topography also has a variety of situations, and there are flat
areas, depressed, or elevations with steep slopes, as this lot division was
made over an area of coastal dunes.
The place
The lot has, as most relevant data, a slight depression towards the
center and a row of acacia trees of about 3 meters in height parallel to the front
line. These two features are very interesting, since both depression and acacias
give privacy within the field which is a privilege, given the low density of
the neighborhood that leaves it very exposed to the few existing buildings.
The climate
The weather was a determinant factor at the time of the project generation,
given the conditions of this area of the sea coast and this particular batch. It is
a harsh climate, temperatures are high during the summer as the solar radiation
impacts directly by the lack of vegetation, and winters are cold, wet and
windy.
The commission
The client requested the project of a summer house with aesthetics and
benefits, in terms of maintenance, built of concrete houses in Mar Azul.
The house should have two rooms and a third of sporadic use: to be
visited by an older child or eventual guests.
The heating and cooling system should be resolved through the use of
split equipment, since the client is the manufacturer of these equipments.
The proposal
The projectual answer seeks to capitalize on the difference in level
between the street and within the lot. For this reason, we decided to solve the
house in two volumes perpendicularly intersecting in “L” at different levels, opting
to provide more privacy to the volume that contains the private uses of the
house by resting over the level of the lot and placing it perpendicular to the
front. The higher volume, of public use, is resolved alongside the front line
taking advantage of the acacia trees that provide privacy and allow the
enjoyment of the far views into the wilderness environment, in turn its elevated
position sought to provide the house some presence from the street leaning out
slightly above the level of the acacias. This volume was generated as an
elongated prism, supported at one end over the volume of the bedrooms. At the
opposite end rests on a blind lateral wall on which, in the lower level, the
grill was located taking advantage of the partially covered generated as
flexible use space serving both for storing of two cars as for preparation and
enjoyment of the classic roast. This space is protected from external visuals
in part by the difference of level and in part by the abundance of acacias on
the front of the lot, so that there can easily develop all kinds of activities.
The functional organization
The access
Access to the house has been solved on the high level of the main floor,
so it should save the half-height difference between the street level and the access
level. This difference is saved in the first instance, by a stairway near the
street that continues on a bridge that crosses the acacias, allowing the
enjoyment of walking between them and the arrival at the gateway to the higher
floor. It was also projected a second staircase that links the partially
covered area with access to the main floor.
The bedrooms
Two bedrooms en suite are nucleated in a prismatic volume at ground
level. This volume opens towards the interior of lot with floor to ceiling
woodwork to enjoy the views of the surrounding nature; however the openings
become smaller on the partition wall of the SW, where is located the
circulation that connects to a stairway leading to the main floor of the house.
In the commission was also required a third bedroom of sporadic use to
receive the eldest son or eventual guests. We decided it should be part of the
main living space with the possibility of integration to gain use of that
space, incorporating it to the rest of the plan during the time it remains free.
The principal volume
The main volume was conceived almost like a partially covered space
since, for his two long sides, -the front and back- sliding openings were incorporated
which can be opened when the weather permits in a proportion of two thirds.
To the front of the volume of guidance Northwest is developed a system
of double skin: in front, a row of vertical sunshades of quebracho boards, and
behind a line of carpentry from floor to ceiling. This was required to prevent
direct sun radiation and, at the same time, to provide a privacy bellow that
protects from the view from the street to the interior.
This volume brings together the functions of living and dining room,
integrated bedroom for occasional use (or a room with more intimacy), a small
toilet (which separates the dining room from the integrated bedroom) and the
kitchen, located on the west end of the volume, separated from living-room by
the stairwell that links this level with the volume of the bedrooms.
Structural resolution
The volume of ground floor, which is blinder than the elevated volume,
is easily resolved by bearing walls and a slab with ring beams.
Moreover, the upper volume is resolved as a bridge supported at one end
on the volume of the bedroom and, at the opposite end, on a closing wall which
extends to lean on the ground. This slab is supported by two beams that run
through to the volume in its longest direction. Towards the front, a 40 cm high
beam, and facing the back, an inverted beam works as back parapet for fenestration.
The top slab or roof is supported by two inverted beams hiding the
subfloor and the thermal insulation.
Construction
The work was done in exposed concrete, a material that unifies in a
single element structure and finishing. H21 concrete was used with the addition of a
fluidifiant so that this mixture, with little amount of water to harden,
results very compact and doesn’t require sealing. Furthermore,
the expressive quality of concrete and its resistance and impermeability, made superfluous any type of surface finish. It achieves a low cost of execution
at finishing and needless future maintenance.
To adapt the building system used in the forest to this new environment
of more extreme conditions was necessary to improve the thermal insulation.
To solve the thermal insulation of the elevated volume cover was
made a low density underlayment which is hidden behind two inverted beams.
Furthermore, to improve the insulation of the exterior walls a second
concrete wall was constructed on the inside, leaving between the two partitions
a space where the insulating material was placed.
Cross ventilation was designed both in the bedrooms and on the main
floor to allow air circulation and thus to ensure that the house will be
refresh in summer with the sea breeze.
In the main façade was also implemented a parasols row of red quebracho
to avoid the direct incidence of sunlight over the glazed enclosure. Quebracho
wood was chosen considering a minimum maintenance.
The heating system of this house is given by the use of hot and cold air
conditioners. Was also included a home-salamander to complement the heating
system.
The few interior partition walls are of brick, plastered and painted
with white latex. Bathrooms feature white enameled ceramic coating on the walls
that are not of concrete. The floor cloths are also from concrete screed divided
with aluminum plates. The meeting between walls and the floor was resolved with
a recessed aluminum profile, as a base.
Light and visual treatment
As detailed above, the book is basically in two volumes in ¨ L
intersecting at different levels. The lower volume constitutes the most private
part of the house while the higher volume contains the more public area.
The treatment of light and visuals is closely linked to these concepts.
The lower volume is closed towards the western dividing wall to provide
privacy to the bedrooms sector (thinking on the future occupations of
neighboring lots) and it opens towards the interior of the lot to enjoy the
natural environment visuals (outside visual surroundings protected by the
abundance of acacia). So we can say that this volume has controlled lighting
and is more tightly closed.
In contrast, the higher volume is designed as a completely open and
permeable volume, as a semi-covered that rises to enjoy more distant views and
greater natural lighting. The implementation of the parasols cushions the
impact of sunlight and sifted the entry of sunlight casting long shadows and
creating a very special atmosphere, serving also as separation bellows between
inside and the private outside, allowing you to see outward but avoiding views
inward.
Another resource utilized regarding the natural light is the aperture of
two skylights in the roof of the main volume, one on the stairway and the other
on the area destined to the fireplace - salamander. The skylight placed on the
stairway generates an entry of light which gives hierarchy to the union space of
the two volumes vertically. The skylight above the fireplace - salamander area
generates a center of attention and hierarchy in the sector of the plan destined
to family reunion, while that allows also the illumination of the toilette with
natural light.
The place
This was our first project in Costa Esmeralda, a real estate development
neighbor to Pinamar started in 2004. As a recent batching, at the moment there
are very few constructions and the place is known for having different types of
landscapes, with vegetation varying from pine forests, with similar characteristics
to the forest of Mar Azul, to areas where that vegetation is scarce.
In turn, topography also has a variety of situations, and there are flat
areas, depressed, or elevations with steep slopes, as this lot division was
made over an area of coastal dunes.
The place
The lot has, as most relevant data, a slight depression towards the
center and a row of acacia trees of about 3 meters in height parallel to the front
line. These two features are very interesting, since both depression and acacias
give privacy within the field which is a privilege, given the low density of
the neighborhood that leaves it very exposed to the few existing buildings.
The climate
The weather was a determinant factor at the time of the project generation,
given the conditions of this area of the sea coast and this particular batch. It is
a harsh climate, temperatures are high during the summer as the solar radiation
impacts directly by the lack of vegetation, and winters are cold, wet and
windy.
The commission
The client requested the project of a summer house with aesthetics and
benefits, in terms of maintenance, built of concrete houses in Mar Azul.
The house should have two rooms and a third of sporadic use: to be
visited by an older child or eventual guests.
The heating and cooling system should be resolved through the use of
split equipment, since the client is the manufacturer of these equipments.
The proposal
The projectual answer seeks to capitalize on the difference in level
between the street and within the lot. For this reason, we decided to solve the
house in two volumes perpendicularly intersecting in “L” at different levels, opting
to provide more privacy to the volume that contains the private uses of the
house by resting over the level of the lot and placing it perpendicular to the
front. The higher volume, of public use, is resolved alongside the front line
taking advantage of the acacia trees that provide privacy and allow the
enjoyment of the far views into the wilderness environment, in turn its elevated
position sought to provide the house some presence from the street leaning out
slightly above the level of the acacias. This volume was generated as an
elongated prism, supported at one end over the volume of the bedrooms. At the
opposite end rests on a blind lateral wall on which, in the lower level, the
grill was located taking advantage of the partially covered generated as
flexible use space serving both for storing of two cars as for preparation and
enjoyment of the classic roast. This space is protected from external visuals
in part by the difference of level and in part by the abundance of acacias on
the front of the lot, so that there can easily develop all kinds of activities.
The functional organization
The access
Access to the house has been solved on the high level of the main floor,
so it should save the half-height difference between the street level and the access
level. This difference is saved in the first instance, by a stairway near the
street that continues on a bridge that crosses the acacias, allowing the
enjoyment of walking between them and the arrival at the gateway to the higher
floor. It was also projected a second staircase that links the partially
covered area with access to the main floor.
The bedrooms
Two bedrooms en suite are nucleated in a prismatic volume at ground
level. This volume opens towards the interior of lot with floor to ceiling
woodwork to enjoy the views of the surrounding nature; however the openings
become smaller on the partition wall of the SW, where is located the
circulation that connects to a stairway leading to the main floor of the house.
In the commission was also required a third bedroom of sporadic use to
receive the eldest son or eventual guests. We decided it should be part of the
main living space with the possibility of integration to gain use of that
space, incorporating it to the rest of the plan during the time it remains free.
The principal volume
The main volume was conceived almost like a partially covered space
since, for his two long sides, -the front and back- sliding openings were incorporated
which can be opened when the weather permits in a proportion of two thirds.
To the front of the volume of guidance Northwest is developed a system
of double skin: in front, a row of vertical sunshades of quebracho boards, and
behind a line of carpentry from floor to ceiling. This was required to prevent
direct sun radiation and, at the same time, to provide a privacy bellow that
protects from the view from the street to the interior.
This volume brings together the functions of living and dining room,
integrated bedroom for occasional use (or a room with more intimacy), a small
toilet (which separates the dining room from the integrated bedroom) and the
kitchen, located on the west end of the volume, separated from living-room by
the stairwell that links this level with the volume of the bedrooms.
Structural resolution
The volume of ground floor, which is blinder than the elevated volume,
is easily resolved by bearing walls and a slab with ring beams.
Moreover, the upper volume is resolved as a bridge supported at one end
on the volume of the bedroom and, at the opposite end, on a closing wall which
extends to lean on the ground. This slab is supported by two beams that run
through to the volume in its longest direction. Towards the front, a 40 cm high
beam, and facing the back, an inverted beam works as back parapet for fenestration.
The top slab or roof is supported by two inverted beams hiding the
subfloor and the thermal insulation.
Construction
The work was done in exposed concrete, a material that unifies in a
single element structure and finishing. H21 concrete was used with the addition of a
fluidifiant so that this mixture, with little amount of water to harden,
results very compact and doesn’t require sealing. Furthermore,
the expressive quality of concrete and its resistance and impermeability, made superfluous any type of surface finish. It achieves a low cost of execution
at finishing and needless future maintenance.
To adapt the building system used in the forest to this new environment
of more extreme conditions was necessary to improve the thermal insulation.
To solve the thermal insulation of the elevated volume cover was
made a low density underlayment which is hidden behind two inverted beams.
Furthermore, to improve the insulation of the exterior walls a second
concrete wall was constructed on the inside, leaving between the two partitions
a space where the insulating material was placed.
Cross ventilation was designed both in the bedrooms and on the main
floor to allow air circulation and thus to ensure that the house will be
refresh in summer with the sea breeze.
In the main façade was also implemented a parasols row of red quebracho
to avoid the direct incidence of sunlight over the glazed enclosure. Quebracho
wood was chosen considering a minimum maintenance.
The heating system of this house is given by the use of hot and cold air
conditioners. Was also included a home-salamander to complement the heating
system.
The few interior partition walls are of brick, plastered and painted
with white latex. Bathrooms feature white enameled ceramic coating on the walls
that are not of concrete. The floor cloths are also from concrete screed divided
with aluminum plates. The meeting between walls and the floor was resolved with
a recessed aluminum profile, as a base.
Light and visual treatment
As detailed above, the book is basically in two volumes in ¨ L
intersecting at different levels. The lower volume constitutes the most private
part of the house while the higher volume contains the more public area.
The treatment of light and visuals is closely linked to these concepts.
The lower volume is closed towards the western dividing wall to provide
privacy to the bedrooms sector (thinking on the future occupations of
neighboring lots) and it opens towards the interior of the lot to enjoy the
natural environment visuals (outside visual surroundings protected by the
abundance of acacia). So we can say that this volume has controlled lighting
and is more tightly closed.
In contrast, the higher volume is designed as a completely open and
permeable volume, as a semi-covered that rises to enjoy more distant views and
greater natural lighting. The implementation of the parasols cushions the
impact of sunlight and sifted the entry of sunlight casting long shadows and
creating a very special atmosphere, serving also as separation bellows between
inside and the private outside, allowing you to see outward but avoiding views
inward.
Another resource utilized regarding the natural light is the aperture of
two skylights in the roof of the main volume, one on the stairway and the other
on the area destined to the fireplace - salamander. The skylight placed on the
stairway generates an entry of light which gives hierarchy to the union space of
the two volumes vertically. The skylight above the fireplace - salamander area
generates a center of attention and hierarchy in the sector of the plan destined
to family reunion, while that allows also the illumination of the toilette with
natural light.
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