case study paper

1. PROJECT 1
CASE STUDY PAPER
THE INTEGRATION OF DESIGN STRATEGIES
BETWEENORIENTATION AND VENTILATION
TO ACHIEVE USER COMFORT IN S11 HOUSE.
NAME : TAY JIA JIAN
STUDENT ID : 0315508
LECTURER : PN.NORHAYATI
SUBMISSION DATE : 29thJUNE 2016

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Table of Contents
1.0 Abstract…………………………………………………………………………….. 2
2.0 Introduction…………………………………………………………………………. 3
3.0 Orientation of S11 House design in response to site context …………………… 4
3.1 Opening
3.2 Open Plan Layout
4.0 Material that use to help A11 house achieve user comfort…………………. …… 11
4.1 Roof Material
4.2 Wall
5.0 Ventilation design response to Malaysia………………………………………….. 15
5.1 Vegetation
5.2 Overhang
5.3 Paint
6.0 Conclusion………………………………………………………………………….. 18
7.0 Reference…………………………………………………………………………… 19

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1.0 ABSTRACT
This research paper is to study how orientation integrate with ventilation as design
strategies in order to reduce the heat gain and achieve the user comfort. In S11 house
ventilation design strategies act as an important role to adapt tropical climate in Malaysia.
Open plan layout is one of the ventilation strategies to encourage the air movement in the
interior of the S11 house. There are many architecture methods that can achieve the user
comfort in a buildings. S11 house adopt several type of openings maximizes the
ventilation purposes. Many type of materials haven been developed such as environment
friendly materials for protect environments and face extreme weather. S11 house also
adopt many sustainable materials and recycling materials to reduce the waste and
increase the energy efficiency. The east and west walls were constructed aerated
lightweight concrete block and in addition they were coated in heat reflecting paint in
camouflage to reduce the heat gain during day time. S11 house also re-used the
demolished old house materials. For example, old crushed concrete roof titles for gravel
fill. Due to the hot issue today, we will look into the ventilation design strategies in S11
house how it to address the heat gain issue in Malaysia today such as openings, material,
high ceiling and etc. In S11 house it adopted a few vernacular design features to
overcome the Malaysia tropical climate. It is can be further analysis and eventually
become a common practice in the construction field in Malaysia. In conclusion, we can
learn a lot of ways to reduce heat gain and achieve user comfort from S11 house which
achieve highest Platinum rating in Malaysia’s Green Building Index (GBI).

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2.0 INTRODUCTION
S11 house located at an established older suburb of Petaling Jaya. It’s designed by Ar.Dr
Tan Loke Mun. S11 House is the house which first house in Malaysia achieve the highest
level Platinum rating of Malaysia’s Green Buildings Index (GBI). In order to achieve the
achieve the Platinum rating in GBI the architect implemented many green designfeatures
into the house.
Figure 2.1: S11 House
Source: (http://www.s11house.com/#introduction )
Research Questions:
1. How orientation integrate with ventilation as design strategies to increase user
comfort in S11 house?
2. What are the different type of materials used in S11 house to achieve the user
comfort?
3. How does the ventilation design strategies address the heat gain issue today in
Malysia?

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Figure 3.3 The existingtree
Figure 3.2 The existingtree
3.0 ORIENTATION OF S11 HOUSE DESIGN IN REPONSE TO
SITE CONTEXT
From the Figure 3.1, we can see clearly of the orientation of S11 house the east and west direction
and protected by the tress to prevent the sun can 100% direcly to shine on the wall and reduce
the heat gain in the interior space. Those tree that located in plan aren’t the plantation .Those tree
are existing before the S11 house was built and when the architect was design this house, he
response to the site context make use of the existing vegetation.
7.00a.m
12.00p.m 6.00p.m
Figure 3.1 The orientationof S11

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Figure 3.6 The staircase areacasement
window
Figure 3.5 The studyroomcasement
window
Figure 3.4 The casementwindow
3.1 Opening
Due to the orientation of the house the façade, the opening and the material for certain
area will be different. For the opening in S11 house it is well design to response the house
orientation. The opening need to be maximize the ventilation while also need allow more
daylight come in. If the opening didn’t designed well it will cause buildings gain more heat
from the opening.
Casement Window
Casement window are commonly use for housing project because it can provide 90%
ventilation and more aesthetic compare with other type of window. Casement window are
eay to install and operate it but it has size limitation can’t make it too big compare with
sliding window.
Pros
- Variety of design features
- 90% ventilation provide
- Easy to install
Cons
- Size limitation

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Figure 3.8 casementwindow infirstfloorFigure 3.7 casementwindowin
groundfloor
Refer the diagram above, In S11 house the casement window are most used in the interior
area such as kitchen, study room and so on. Most of the opening in S11 House are
designed according the wind direction to let the cross ventilation more efficiency inside
the house and the height of casement window is designed according human body level
to bring the biggest comfort for the owner.

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Figure 3.11 The slidingroomtoward
balcony
Figure 3.10 The slidingroominliving
room
Figure 3.9 The slidingroom
Sliding Door (Glass)
Sliding door with glass material can provide the beautiful view of the surroundings for
the user and at the same time can provide ventilation also. In S11 house the Sliding
door with glass materials often use in the public area such as the living room, balcony
and others. It is because this type of sliding door can take the advantages of the
features of material glass to let the natural daylight come in from the exterior into public
area space so reduce for the lighting energy.
Pros
- Energy efficiency
- Minimal maintenance
- Easy to use
Cons
- Hard to clear

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Figure 3.13 slidingdoorinfirstfloorFigure 3.12 slidingingroundfloor
Refer the diagram above, sliding door are used in more public space area , it will help to
improve the ventilation by open up the sliding door let the fresh air to cool the interior
space and let the natural cozy sunlight to come in reduce rely on the artifical light which
can cause more heat enrgy by release heat energy when operate it.
3.2 Open Plan layout in S11 house
Open plan layout is to respond Malaysia hot climate and by using open plan layout it allow
the air from exterior more easily exchange with the interior compare with the not open

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Figure 3.15 Openplanspace
Figure 3.14 The diagramof openplan
layout
plan. This plan layout out cooperate with orientation and openings to make sure the cross
ventilation more efficiency.
In open plan layout the ventilation performance better than usual. This is because open
plan layout allow air flow more freely and help windows work more efficiency. The figure
show in S11 the dining area, kitchen and living room combined as an open space. The
ventilation in this area also assist by the casement window to maintain clear atmosphere.
The elongated open plan of the traditional Malay house which minimize the interior
partitions to emphasize the air movement inside the house.
Same as in S11 house, the architect adapt the open plan in interior layout to minimize the
use of the energy to achieve the user comfort level.

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The figure above show the plan of S11 house with plot out the open plan layout area
and the cross ventilation diagram. There are many casement window and sliding door
available let the air come in to cool down the interior space. The sliding door in ground
floor are big enough to change sufficient air into interior and cool down every corner in
the house. Fresh indoor air can let the user more enjoy the space.
Figure 3.17 GroundflooropenplanlayoutFigure 3.16 Firstflooropenplan
layout

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4.0 MATERIAL THAT USE TO HELP S11 HOUSE ACHIEVE USER
COMFORT
One of the main element to achieve the user comfort for a green buildings is material
parts. Use the environment friendly materials which are sustainable or can be reuse and
recycle. These will help much in reduce the environmental impacts associated with the
construction wastage. The materials of the house most are the natural finishes which is
raw off-form. In S11 House the architect use lot of the recycle material from the project
reject.

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Figure 4.3 The interiorlookof same material
Figure 4.1 The colourof roof aftercoated
4.1 Roof Material
The roof materials is made of the profiled steel metal sheets which is a lightweight
recyclable materials.
The architect of S11 house pay much concern about the roof material selection it is
because the roof need exposed to the blazing sun of Malaysia whole day so if it can
reduce the heat absorption from the roof it will be useful very useful to achieve the user
comfort. In this figure u can see the roof is white color because the architect coated a
light off color to it in order to minimize the heat gain from the roof.
The ceiling also is the same material which the orange colour which is original color
because it is interior don’t need to coated light colour to reduce the heat absorption.
Figure 4.1 Roof planof S11 house

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Figure 4.5 The material pictures
Figure 4.6 The elevationof the wall
4.2 East and West Wall Material
The west-east wall are constructed by different material with the north – south wall
because the architect want to use aerated light weight concrete block which is a light
weight material, low thermal mass and high in thermal insulation which is very suitable
material of wall for Malaysia hot and humid climate.
The west-east wall are constructed by aerated lightweight concrete block. Aerated light
weight concrete block is a light weight material, low thermal mass and high in thermal
insulation. Because of the high in thermal insulation it allow reduce the heat transferred
thought the material. This concrete block also is an environmentally friendly material
because it is long lasting. This material also is a good ventilation material because it is
very airy and allow the diffusion of water.
Figure 4.4 The east-westwall

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Figure 4.8 The slidingdoor
Figure 4.6 The casementwindow
Glass Material
For Malaysia climate glass materials is a very hard control material because if too many
glass maybe cause the interior because too hot and if too less there will too less natural
light source. In S11 house the architect applied many glass ever many sliding is glass
material one it is because he want maximize the natural daylight and also provide good
view from the interior toward exterior.
In
In figure 4.7 Show the casement window and the sliding door with glass location. From the
drawing we can see almost every direction got natural daylight source.
Figure 4.7 The slidingdoorand
casementwindowlocation

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Figure 5.1 The roof plan
Figure 5.2 The overhangpart
Figure 5.3 The highceiling
5.0 VENTILATION DESIGN RESPONSE TO MALAYSIA CLIMATE
5.1 Overhangs
The modernism of the architecture in Malaysia almost abandon the vernacular
architecture, overhang already. Many modern housing with many glass but small
overhang that cause more heat gain to the house compare maximize the use daylight.
In S11 house it has many sliding door with glass to maximize the user of daylight but it
has big overhang to make sure the sunlight didn’t come in 100%. This is the more correct
way to make use of the glass and the overhang.
Refer the figure above, we can see in S11 house the architect adapt the vernacular
architecture which is overhang and cooperate with the modernism architecture
material, glass to suit the Malaysia climate design.

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Figure 5.4 The wire netscreenwall location
Figure 5.5 The existingvegetation
Figure 5.6 The wire netscreenwall
5.2 Vegetation
InS11 house the Architect make use the vegetation surroundings to form as a shading
devies for the house. In Malaysia hot and humid climate the vegetation one of the best
method to prevent the heat gain to house.
In S11 house the architect use the wire tie from ground floor to the floor let the vegetation
grow and form a screen wall to shade the east and west wall. Those help to reduce heat
gain.In Malysia most of the residence area have plant tree but no much.
Refer the figure above, we can know S11 house is using the screen wall in east and
west direction to prevent the wall fully expose to the sun.

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Figure 5.4 The wall coatedwithheat
reflectivepaint
Figure 5.6 The heatreflective
paintdiagram
5.3 Heat Reflective Paint
One special of the materials in S11 house is the heat reflective paint. Those heat
reflective paint coated paint at the camouflage motif. This pi can help reduce much of
the heat gain through the west and east wall because a building exterior wall is the main
heat gain elements. A very good heat reflective paint it can reflect up to 80% of solar
radiation. In Malaysia construction are less concern about this area.
The figure 5.8 is to show the different between the house applied the heat reflective
paint and the other didn’t applied one. The interior temperature is about 4-5oc
different. This show heat reflective paint really work to against the heat absorption
but no sure how long it will last because it is easy influence by the climate.

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CONCLUSION
The s11 house really obtain a good ventilation design strategies to achieve highest
platinum rating in Malaysia’s green building index (GBI). The architect Integrate the
ventilation designstrategies with orientation and surroundings to achieve the user comfort
inside s11 house. The architect also using several material of vernacular architecture
element to enhance the ventilation such as sliding door with glass place in double height
living room which a simple example show the orientation integration with ventilation and
achieve the user comfort. S11 house achieve the user comfort by passive design, but not
in the mechanical way. S11 house really is an eco-friendly residence house with excellent
ventilation design strategies. If those ventilation design strategies become common in
Malaysia construction fields will help protect our environment even better.

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REFERENCE
S11 House - Malaysia's first GBI Platinum (CVA) rated house. (n.d.). Retrieved May 23,
2016, from http://www.s11house.com/#introduction
Slider Windows: Advantages and Disadvantages. (n.d.). Retrieved May 23, 2016, from
http://www.replacementwindowsfordummies.com/articles/slider-windows-advantages-
and-disadvantages
Casement Windows: Advantages and Disadvantages. (n.d.). Retrieved May 23, 2016,
from http://www.replacementwindowsfordummies.com/articles/casement-windows-
advantages-and-disadvantages
Bulletin. (n.d.). Comparative Ventilation Openings Of Various Window Types.
VENTILATION OPENINGS. Retrieved May 23, 2016, from
http://www.breezway.com.au/downloads/TB_Ventilation_Openings.pdf
3Q 2012 Showcase - 36BTrd - FuturArc. (n.d.). Retrieved May 23, 2016, from
http://www.futurarc.com/index.cfm/editorial/futurarc-showcase/3q2012-showcase-
36btrd/
Moskow, K. (2008). Sustainable facilities: Green design, construction, and operations.
New York: McGraw-Hill.
AAC Advantages and Benefits. (n.d.). Retrieved May 23, 2016, from
http://www.aeratedconcreteblock.com/advantages

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