green roof strategy for hamburg - bfn: startseite · 2017-05-11 · dr. hanna bornholdt . ministry...
TRANSCRIPT
![Page 1: Green Roof Strategy for Hamburg - BfN: Startseite · 2017-05-11 · Dr. Hanna Bornholdt . Ministry for Environment and Energy . Green Roof Strategy for Hamburg](https://reader031.vdocuments.net/reader031/viewer/2022011809/5cbfd52d88c99335358bb4f8/html5/thumbnails/1.jpg)
Dr. Hanna Bornholdt Ministry for Environment and Energy
Green Roof Strategy for Hamburg
![Page 2: Green Roof Strategy for Hamburg - BfN: Startseite · 2017-05-11 · Dr. Hanna Bornholdt . Ministry for Environment and Energy . Green Roof Strategy for Hamburg](https://reader031.vdocuments.net/reader031/viewer/2022011809/5cbfd52d88c99335358bb4f8/html5/thumbnails/2.jpg)
Green Roof Strategy for Hamburg
Outline 1. Starting Point 2. Aims and Concept 3. Action Point „Promotion“ 4. Action Point „Dialog“ 5. Action Point „Stipulation“ 6. Action Point „Scientific Support“
![Page 3: Green Roof Strategy for Hamburg - BfN: Startseite · 2017-05-11 · Dr. Hanna Bornholdt . Ministry for Environment and Energy . Green Roof Strategy for Hamburg](https://reader031.vdocuments.net/reader031/viewer/2022011809/5cbfd52d88c99335358bb4f8/html5/thumbnails/3.jpg)
1. Starting Point
![Page 4: Green Roof Strategy for Hamburg - BfN: Startseite · 2017-05-11 · Dr. Hanna Bornholdt . Ministry for Environment and Energy . Green Roof Strategy for Hamburg](https://reader031.vdocuments.net/reader031/viewer/2022011809/5cbfd52d88c99335358bb4f8/html5/thumbnails/4.jpg)
Starting Point
© Bildnachweis
CONSOLIDATION Foto © Cornelia Peters
![Page 5: Green Roof Strategy for Hamburg - BfN: Startseite · 2017-05-11 · Dr. Hanna Bornholdt . Ministry for Environment and Energy . Green Roof Strategy for Hamburg](https://reader031.vdocuments.net/reader031/viewer/2022011809/5cbfd52d88c99335358bb4f8/html5/thumbnails/5.jpg)
Starting Point
Mühlenkamp Hamburg 2011 © D. Heien
RISK OF FLOODING
![Page 6: Green Roof Strategy for Hamburg - BfN: Startseite · 2017-05-11 · Dr. Hanna Bornholdt . Ministry for Environment and Energy . Green Roof Strategy for Hamburg](https://reader031.vdocuments.net/reader031/viewer/2022011809/5cbfd52d88c99335358bb4f8/html5/thumbnails/6.jpg)
Foto M. Reifner
The 1st Mayor’s Mandate
![Page 7: Green Roof Strategy for Hamburg - BfN: Startseite · 2017-05-11 · Dr. Hanna Bornholdt . Ministry for Environment and Energy . Green Roof Strategy for Hamburg](https://reader031.vdocuments.net/reader031/viewer/2022011809/5cbfd52d88c99335358bb4f8/html5/thumbnails/7.jpg)
2. Aims and Concept
![Page 8: Green Roof Strategy for Hamburg - BfN: Startseite · 2017-05-11 · Dr. Hanna Bornholdt . Ministry for Environment and Energy . Green Roof Strategy for Hamburg](https://reader031.vdocuments.net/reader031/viewer/2022011809/5cbfd52d88c99335358bb4f8/html5/thumbnails/8.jpg)
Aims
www.hamburg.de/gruendach
© Vision TH Landschaftsarchitekten Luftbild M. Friedel
![Page 9: Green Roof Strategy for Hamburg - BfN: Startseite · 2017-05-11 · Dr. Hanna Bornholdt . Ministry for Environment and Energy . Green Roof Strategy for Hamburg](https://reader031.vdocuments.net/reader031/viewer/2022011809/5cbfd52d88c99335358bb4f8/html5/thumbnails/9.jpg)
Guiding principles
Unused Space © Isadora Tast
New Free Space © Hunck + Lorenz Grow vegetables or plant flowers © Auböck + Kárász
C. Kottmeier
![Page 10: Green Roof Strategy for Hamburg - BfN: Startseite · 2017-05-11 · Dr. Hanna Bornholdt . Ministry for Environment and Energy . Green Roof Strategy for Hamburg](https://reader031.vdocuments.net/reader031/viewer/2022011809/5cbfd52d88c99335358bb4f8/html5/thumbnails/10.jpg)
Guiding principles
Space for bees, birds and plants © I. Tast Solar energy and green roof © Neher
Micro climate © Miguel Ferraz Araújo Water retention and evaporation © Dreiseitl
![Page 11: Green Roof Strategy for Hamburg - BfN: Startseite · 2017-05-11 · Dr. Hanna Bornholdt . Ministry for Environment and Energy . Green Roof Strategy for Hamburg](https://reader031.vdocuments.net/reader031/viewer/2022011809/5cbfd52d88c99335358bb4f8/html5/thumbnails/11.jpg)
Four action points FO
TO:
BSU
Promotion
Funding programme
Reduced rain water tax
Green roofs on public buildings
Dialogue
Public relations
Communi-cation
Green roof competition
+
+
Stipulation
Land Use Planning Nature
protection Green roof regulation
Grafik verändert nach Leitfaden Dachbegrünung für Kommunen 2011
+
Scientific support
Measurement programme Evaluation programme
![Page 12: Green Roof Strategy for Hamburg - BfN: Startseite · 2017-05-11 · Dr. Hanna Bornholdt . Ministry for Environment and Energy . Green Roof Strategy for Hamburg](https://reader031.vdocuments.net/reader031/viewer/2022011809/5cbfd52d88c99335358bb4f8/html5/thumbnails/12.jpg)
3. Action Point „Promotion“
![Page 13: Green Roof Strategy for Hamburg - BfN: Startseite · 2017-05-11 · Dr. Hanna Bornholdt . Ministry for Environment and Energy . Green Roof Strategy for Hamburg](https://reader031.vdocuments.net/reader031/viewer/2022011809/5cbfd52d88c99335358bb4f8/html5/thumbnails/13.jpg)
• 3 Mill. Euro until 2019 • all new buildings and refurbishments • owners who voluntarily green their roofs • at least 20 m², not exceed 30 degrees in pitch • Eight/twelve centimetres substrate • subsidies up to 60 percent of production costs • Maintenance funding • owners of a green roof can also save 50 per cent on rain water fees • www.ifbhh.de/gruendachfoerderung
Green Roof Promotion
Visualisierung: TH Treibhaus Landschaftsarchitektur
![Page 14: Green Roof Strategy for Hamburg - BfN: Startseite · 2017-05-11 · Dr. Hanna Bornholdt . Ministry for Environment and Energy . Green Roof Strategy for Hamburg](https://reader031.vdocuments.net/reader031/viewer/2022011809/5cbfd52d88c99335358bb4f8/html5/thumbnails/14.jpg)
Module Grants
Basic funding Basic funding 6.00 €/m² net vegetation area (NVA)
+ 1.00 €/m² NVA per cm rooting layer thickness
Maintenance funding 1 year 50% of costs of maintenance/m² NVA
Additional funding Reinforcing the statics / root penetration protection
5.00 €/m² NVA + fire break area
Combined with solar energy generation
5.00 €/m² gross collector (module) area
Improving runoff delay 2.00 €/m² NVA for additional costs for technical and construction elements
Space utilization area 14 €/m²
Inner city measures basic funding increased by 15%
Overview of funding guidelines
![Page 15: Green Roof Strategy for Hamburg - BfN: Startseite · 2017-05-11 · Dr. Hanna Bornholdt . Ministry for Environment and Energy . Green Roof Strategy for Hamburg](https://reader031.vdocuments.net/reader031/viewer/2022011809/5cbfd52d88c99335358bb4f8/html5/thumbnails/15.jpg)
Luftbild Mathias Friedel
Funding Example
New office building: 350 m2 12 cm thickness Combined with solar energy
![Page 16: Green Roof Strategy for Hamburg - BfN: Startseite · 2017-05-11 · Dr. Hanna Bornholdt . Ministry for Environment and Energy . Green Roof Strategy for Hamburg](https://reader031.vdocuments.net/reader031/viewer/2022011809/5cbfd52d88c99335358bb4f8/html5/thumbnails/16.jpg)
Funding Example
Total Funding: 8.000 € Eligible costs: 16.000 € Aid intensity: 50 %
© Vision TH Landschaftsarchitekten Luftbild M. Friedel
![Page 17: Green Roof Strategy for Hamburg - BfN: Startseite · 2017-05-11 · Dr. Hanna Bornholdt . Ministry for Environment and Energy . Green Roof Strategy for Hamburg](https://reader031.vdocuments.net/reader031/viewer/2022011809/5cbfd52d88c99335358bb4f8/html5/thumbnails/17.jpg)
4. Action Point „Dialog“
![Page 18: Green Roof Strategy for Hamburg - BfN: Startseite · 2017-05-11 · Dr. Hanna Bornholdt . Ministry for Environment and Energy . Green Roof Strategy for Hamburg](https://reader031.vdocuments.net/reader031/viewer/2022011809/5cbfd52d88c99335358bb4f8/html5/thumbnails/18.jpg)
Communication. On the roofs, get set, green!
Foto B.J.Davidse
Foto B.J.Davidse
FAZ 24.5.2015
Visualisierung: TH Treibhaus Landschaftsarchitektur
![Page 19: Green Roof Strategy for Hamburg - BfN: Startseite · 2017-05-11 · Dr. Hanna Bornholdt . Ministry for Environment and Energy . Green Roof Strategy for Hamburg](https://reader031.vdocuments.net/reader031/viewer/2022011809/5cbfd52d88c99335358bb4f8/html5/thumbnails/19.jpg)
www.hamburg.de/gruendach/
![Page 20: Green Roof Strategy for Hamburg - BfN: Startseite · 2017-05-11 · Dr. Hanna Bornholdt . Ministry for Environment and Energy . Green Roof Strategy for Hamburg](https://reader031.vdocuments.net/reader031/viewer/2022011809/5cbfd52d88c99335358bb4f8/html5/thumbnails/20.jpg)
5. Action Point „Stipulation“
![Page 21: Green Roof Strategy for Hamburg - BfN: Startseite · 2017-05-11 · Dr. Hanna Bornholdt . Ministry for Environment and Energy . Green Roof Strategy for Hamburg](https://reader031.vdocuments.net/reader031/viewer/2022011809/5cbfd52d88c99335358bb4f8/html5/thumbnails/21.jpg)
Focus on roof greening, façade and street space greening SU, LP2
© Chicago Climate Action Plan report
© Chicago Climate Action Plan report
66o
23o
oC
Landscape Programme – Urban Climate Concept
![Page 22: Green Roof Strategy for Hamburg - BfN: Startseite · 2017-05-11 · Dr. Hanna Bornholdt . Ministry for Environment and Energy . Green Roof Strategy for Hamburg](https://reader031.vdocuments.net/reader031/viewer/2022011809/5cbfd52d88c99335358bb4f8/html5/thumbnails/22.jpg)
Build before 1985 Build after 1985
Linz, E. Maurer Foto © H.Pertlwieser
Land-Use Plan
![Page 23: Green Roof Strategy for Hamburg - BfN: Startseite · 2017-05-11 · Dr. Hanna Bornholdt . Ministry for Environment and Energy . Green Roof Strategy for Hamburg](https://reader031.vdocuments.net/reader031/viewer/2022011809/5cbfd52d88c99335358bb4f8/html5/thumbnails/23.jpg)
5. Action Point „Scientific Support“
![Page 24: Green Roof Strategy for Hamburg - BfN: Startseite · 2017-05-11 · Dr. Hanna Bornholdt . Ministry for Environment and Energy . Green Roof Strategy for Hamburg](https://reader031.vdocuments.net/reader031/viewer/2022011809/5cbfd52d88c99335358bb4f8/html5/thumbnails/24.jpg)
Research at HCU-Greenroof
2.200 m² extensiv greenroof 470 m² for measurements 80 m² technical infrastructure 6 cm substrate
Discharge measurements © HCU Measurements of precipitation
Discharge measurements
![Page 25: Green Roof Strategy for Hamburg - BfN: Startseite · 2017-05-11 · Dr. Hanna Bornholdt . Ministry for Environment and Energy . Green Roof Strategy for Hamburg](https://reader031.vdocuments.net/reader031/viewer/2022011809/5cbfd52d88c99335358bb4f8/html5/thumbnails/25.jpg)
Measurements
Short term impact – 1-hour
© HCU
Precipitation: 335 mm in 5 months Runoff: 109 mm = 33%
Long term impact - 5-month
Precipitation: 17 mm in 60 min (return period for HH: 1,7) Runoff: 8 mm = 47%
![Page 26: Green Roof Strategy for Hamburg - BfN: Startseite · 2017-05-11 · Dr. Hanna Bornholdt . Ministry for Environment and Energy . Green Roof Strategy for Hamburg](https://reader031.vdocuments.net/reader031/viewer/2022011809/5cbfd52d88c99335358bb4f8/html5/thumbnails/26.jpg)
© C. Blanke 8 House Kopenhagen © H. Bornholdt
© H. Sönksen
Many Thanks! Dr. Hanna Bornholdt [email protected]
© Isadora Tast