1.5 RETHINK S U STA INABLE INTERV ENTI ON ON M ONA SH C A UL F I E L D' S BUI L DI NG H ARC 3 10 1 | 2 0 16 | G R O U P P R O JECT | T U T O R : S AM S T EFAN O U
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CONTENTS PRECEDENCE ...........................................................5 PROCESS.................................................................. 9
ITERATION 1...........................................................................................................................10 ITERATION 2...........................................................................................................................12 ITERATION 3...........................................................................................................................14 ITERATION 4...........................................................................................................................16
. FINAL DESIGN.........................................................21
BEFORE AND AFTER.............................................................................................................22 DRAWINGS...............................................................................................................................24 SYSTEMS.................................................................................................................................26 DETAILS...................................................................................................................................28 ECOTECT ANALYSIS.............................................................................................................32 RENDERS..................................................................................................................................35 MODEL PHOTOS......................................................................................................................37 FINAL PRESENTATION.........................................................................................................38
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PRECEDENCE
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Upon analysis of building H on the Ecotect model and visiting the building, we noticed several issues with regards to the building and its environmental impact On the ground floor of building H, we noticed that very little direct light was entering the building, due to the first cantilever, although with the cantilever it reduced the direct sunlight into the building over the summer period. So the key factor was to direct more natural lighting into the building without increasing the direct radiant heat. On the fourth and seventh floor of the building we notice that the building heated up quite rapidly due to the direct impact of the sun along the Northern and Western Faรงade. When visiting the building the analysed and realised that the spaces along the northern and western side of the building was mostly unoccupied and everybody utilised the spaces on the southern side of the building. Other times blinds where mostly closed off throughout the day. The other issue of concern was the water use in the building. Following on from our intervention of the building, we had to take into account the overall water usage of the building.
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PROCESS
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ITERATION 1 - SKETCHES
DIAGRAMS FOR PROPOSED INTERVENTION 10
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ITERATION 2
GROUND FLOOR AND LEVEL 1,2,3 etc
INTERNAL LEVEL 1 - 7 SKETCH PERSPECTIVE
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1:20 DETAIL
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ITERATION 3
- GROUND FLOOR LEVEL 1,2,3,etc
1:20 DETAIL 14
INTERNAL LEVEL 1 - 7 SKETCH PERSPECTIVE 15
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ITERATION 4
A Roof 40600 Level 10 37000 Level 9 33400 Level 8 29800 Level 7 26200 Level 6 22600 Level 5 19000 Level 4 15400 Level 3 11800 Level 2 8200 Level 1 4600 Ground Floor 0
NORTH ELEVATION 1:500 @ A3 A
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NORTH SIDE PERSPECTIVE
INTERIOR PERSPECTIVE OF STUDY SPACE ON ABOVE LEVELS
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GROUND FLOOR 1:500 @ A3 16
UP
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1:20 DETAIL SECTIONAL MODEL
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1:200 NORTH SOUTH SECTION WATER SYSTEMS
SUMMER PERIOD SYSTEM INTERPLAY
WINTER PERIOD SYSTEM INTERPLAY
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FINAL DESIGN Our intervention was focused on the Northern Faรงade of the building which could also be reflected along the western side of the building. With a concept of a overal holistic intervention we used natural systems of water and vegetaion as our main driver. We focused, on the ground floor and how we would further illuminate the ground floor without the use of artificial lighting, our iteration involved combining skylight technology and utilising water to direct all the diffuse light into the ground floor level. On the fourth and seventh floor we focused on the thermal comfort of the building. Due to the direct impact of the sun onto the faรงade we wanted to allow users to occupy those spaces. Our intervention involved a mixed use of systems such as louvers to direct heat out of the building, water mist to reduce the suns direct impact, Vertical Gardens to reduce help shade the spaces and water, running in between slabs to collect any direct impact of the heat. In addition to directing heat out of the building we enabled both the Northern and Western Faรงade to become a Solar Collection farm. In addition, due to the high water used throughout the building, we wanted to ensure that we reduce to water usage of any amenities in the building as well as ensuring water can be reused for the whole building. Such interventions include water pumping facilities that run throughout the building and vacuum toilets to be installed on all floors. Our overal design blurs the boundaries between internal and external space, by connecting the environment to the occupants to create an overal harmonious experience.
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EXISTING SITE - NORTH WEST PERSPECTIVE FROM DANDENONG RD 22
NEW PROPOSAL FOR SITE 23
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GROUND FLOOR 1:500 @ A3
LEVEL 1 - 7 1:500 @ A3
RCP GROUND FLOOR 1:500 @ A3 - glazing where light penetrates down
RCP LEVEL 1 - 7 1:500 @ A3 - glazing where light penetrates down
NORTH SIDE ELEVATION 1:200 @ A3 25
CONVENTIONAL TOILET EXISTING IN BUILDING H
VACUUM TOILET
PROPOSED IN INTERVENTION
The current amount of water usage is around 172,000L/day, and we wanted to reduce this amount as much as possible, one of the main usage of water is the toilets, along with the hand basins and showers. The toilets use from 6-12L per flush, and this is a massive amount of fresh water just being wasted. So with changing the toilets from gravity fed to vacuum toilets will reduce the amount of water needed per flush down to 1L, water is still needed for sanitary needs.
10-12L FLUSH
1-2L FLUSH
Also changing the basin taps and shower heads to water saving as well, will reduce the amount of water wasted. We have calculated that with these systems in place the amount of water used per day will drop down to around 84,000L/day, which is a significant amount to reduce to a little over half the amount.
WATER USAGE BEFORE 172 6000 L
WATER USAGE AFTER 89 765 L
SHOWERS TOILETS WASHBASIN KITCHEN COOLING GARDENING TOILET LEAKAGE
SHOWERS TOILETS WASHBASIN KITCHEN COOLING GARDENING TOILET LEAKAGE
75 000 9000 50 000 30 000 360 8 000 240
35 000 3 000 27 500 15 000 240 4000 25
To better use that water, the water from the basins and showers will be collected, filtered and used for the vacuum toilets so they are not using completely fresh drinking water, just water that is not suited for drinking. This will save on water coming in and reduce the amount of waste going out to the sewers, saving money over all.
NORTH SOUTH SECTION 1:200 @ A3 WATER SYSTEM DIAGRAM
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SUMMER PERIOD 1:100 @A3 SYSTEM INTERPLAY
WINTER PERIOD 1:100 @ A3 SYSTEM INTERPLAY
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SOLAR STRIP DETAIL 1:20 @ A3
WINDOW LOUVER DETAIL 1:20 @ A3 30
WATER LATCH DETAIL 1:20 @ A3 31
GROUND FLOOR
LEVEL 4+7
ILLUMINATION
THERMAL COMFORT
ECOTECT ANALYSIS - BEFORE AND AFTER
BEFORE INTERVENTION Temperature
BEFORE INTERVENTION
As the current conditions are, there is only a little amount of natural light coming in for the ground floor and is not reflecting further into the building so making it quite dark and more dependent on artificial lighting.
With the current condition during the day the temperature of the space is to the cooler end of the temperature gage making for the need of HVAC system to be used to regulate the temperature to a comfortable range.
Our intervention has allowed for natural light to reflect more and disperse further into the building allowing for greater natural light, less dependence on artificial light, and creating more enjoyable atmosphere to work and study in.
With the intervention brings the over temperature of the floor up about 4-6 into the more comfortable range, and reducing the need of the HVAC system needing to be used.
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AFTER INTERVENTION
AFTER INTERVENTION
GROUND FLOOR
LEVEL 4+7
RADIATION
RADIATION
BEFORE INTERVENTION BEFORE INTERVENTION Before the intervention, radiation was quite intense along the North and West facades making working along those windows quite uncomfortable due to becoming quite hot.
There is a quite an intense amount of radiation on the North and West facades. Making is quite hot and uncomfortable around those areas to work.
The intervention reduces the intensity of the heat radiation and also dispersing that heat further into the building. As with the illumination this helps enhance the comfort levels of working and studying with in the areas.
With the intervention is reducing the intensity and dispersing the heat radiation further into the building creating a more comfortable work area to be in.
AFTER INTERVENTION 32
AFTER INTERVENTION
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EXTERIOR RENDER FROM DANDENONG ROAD
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INTERIOR RENDERON LEVEL 1
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1:200 SCALE PHYSICAL MODEL
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1:20 SCALE DETAIL MODEL
1:20 SCALE DETAIL MODEL
SUMMER PERIOD
WINTER PERIOD
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FINAL PRESENTATION
1:200 MODEL FROM PRESENTAION
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1:20 MODEL PINNED UP ON WALL
FULL LAYOUT FOR PRESENTATION
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