Flat Top Social Housing Energy Retrofit
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Transcript of Flat Top Social Housing Energy Retrofit
![Page 1: Flat Top Social Housing Energy Retrofit](https://reader035.fdocuments.us/reader035/viewer/2022062418/55494a74b4c9050f4d8b5a5f/html5/thumbnails/1.jpg)
Name: David Ledwith
Presentation: Design Strategy for the Deep Retrofit of a Typical Flat Top Social Housing Block
Brief: To Develop a Holistic Strategy for the Sustainable Regeneration of the Housing Block Type, with Baseline Targets of achieving an A2 BER Rating and compliance with Current Building Regulations
EXISTING PROPOSED
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EXISTING BUILDING
• 2 x FIVE STOREY BLOCKS• 38 UNITS (MIXTURE of 1,2,3,4 BED)• SINGLE STOREY GROUND FLOOR UNITS & 2 X TWO STOREY DUPLEXES ABOVE• AVERAGE BER OF E1 320kWhr/sq.m/yr•CARBON EMISSIONS OF 128 TONNES
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DESIGN ISSUES
1. ENERGY PERFORMANCE
2. TECHNICAL PERFORMANCE
3. SOCIAL & CIVIC PERFORMANCE
- BUILDING HAS A VERY POOR THERMAL PERFORMANCE
- MINIMAL TO ZERO LEVELS OF INSULATION- HIGH LEVELS OF THERMAL BRIDGING- LOW EFFICIENCY HEATING SYSTEMS- CONDENSATION & MOULD PROBLEMS- HIGH CARBON EMISSIONS
- DWELLINGS ARE SMALL (59 sq.m -2 Bed Duplex)- ACCESSIBILITY & FIRE SAFETY ISSUES- GROUND FLOOR LAYOUT & DEFENSIBLE SPACE
- BUILDINGS SET BACK & SURROUNDED WITH RAILINGS- POOR CONTRIBUTION TO URBAN STREETSCAPE- SOCIAL HOUSING STIGMA- FUEL POVERTY
POSITIVES- WELL BUILT STRUCTURES- STRONG COMMUNITIES
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3. CREATION COMMUNITY SPACES
2. RE-IMAGINATION OFTHE GROUND PLANE
1. NEW THERMAL ENVELOPE
DESIGN SOLUTION
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NEW THERMAL ENVELOPE
EXISITING
STRIP BACK TO ‘WINE RACK’ STRUCTURAL LAYOUT
CONSTRUCT NEW INSULATION LAYER AND BALCONIES
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THE SECTION
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NEW GROUND FLOOR
- NEW SINGLE STOREY PLINTH- NEW STAIRS & LIFTS - SHARED COURTYARD FORMED- UNITS ACCESSED FROM STREET- COMMUNAL FACILITIES- SHARED LAUNDRY- SECURE STORAGE- COMMUNITY ROOMS
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FIRST FLOOR (& THIRD FLOOR)
- PLINTH FORMS A GARDEN - PLAYGROUND AREA- 14 UNITS DUPLEX UNITS- DUPLEX UNIT TYPE - EXTENDED INTO BALCONY &
WALKWAY- BATHROOM MOVED DOWNSTAIRS
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SECOND FLOOR (& FOURTH FLOOR)
- UPPER FLOOR OF DUPLEX UNITS- THREE BED UNIT- TRIPLE ASPECT- UNIVERSALLY ACCESSSIBLE
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VIEW OF GARDEN LEVEL
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FIFTH FLOOR
- NEW FLOOR LEVEL- 3 NO. ONE BED UNITS- COMMUNAL PENTHOUSE ROOM- ALOTMENTS- 10 SQ.M PER UNIT
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AXO
- GARDEN PLINTH WITH RECYLING FACILITIES AND CAR CHARGING POINTS
- ALOTMENTS ON THE ROOF- SOLAR PANELS REDUCE ENRGY
DEMAND- BIOMASS FUELLED CHP BOILER USED
TO PROVIDE HEAT
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SUMMARY
- NEW URBAN BLOCK CREATED- INTEGRATED AT GROUND FLOOR LEVEL WITH
THE CITY- SAME NUMBER OF UNITS MAINTAINED – 38- UNIT SIZES HAVE INCREASED BY ONE THIRD- DEFINED OPEN SPACES CREATED- COMMUNAL ACCOMODATION CREATED- GARDEN & ALOTMENTS PROVIDED- A2 BER RATING WITH SOLARPANELS & CHP- 36 kWhr/sq.m/yr- NEGATIVE CARBON EMISSIONS –
4.1kgCO2/sq.m/yr
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THANK YOU