1ENERGY EFFICIENCY AND SUSTAINABILITY AS A HOLISTIC APPROACH
©LUWOGE CONSULT
METHODS AND STRATEGIES FOR
ECONOMICAL, SUSTAINABLE AND ENERGY EFFICIENT HOUSING
Thilo Cunz
Architect
Senior Manager Asia/Europe
LUWOGE consult GmbH
Donnersbergweg 2
D - 67059 Ludwigshafen
Fon + 49 (0) 621 / 55 90 98 9 - 22
Мobil + 49 (0) 173 / 34 79 48 6
NEW DELHI, INDIA, 21.10.2011
GREEN BUILDING CONGRESS 2011
2ENERGY EFFICIENCY AND SUSTAINABILITY AS A HOLISTIC APPROACH
©LUWOGE CONSULT
ENERGY EFFICIENCY AND SUSTAINABILITY AS A HOLISTIC APPROACH
COMPANY
METHODOLOGY
TYPOLOGIES
FACTORS
SCALE
LOCAL ADAPTATION
COOPERATION
LUWOGE consult GmbH
3ENERGY EFFICIENCY AND SUSTAINABILITY AS A HOLISTIC APPROACH
©LUWOGE CONSULT
COMPANY
Energetic
concept
Project
management
Portfolio
analysis
Monitoring
Software
tools for
maintenance
(Visit)
Energy
Efficiency
Academy
Investor/Client Technical EngineersArchitectConsultant
Steersman
Construction
CompanyCraftsmen
� Defining objectives � Energetic concept � Architectural design � Technical planning � Organizing
implementation
� Carrying out
measurements
LUWOGE
consult:
Energy
Efficiency
Consulting
LUWOGE consult GmbHis a young consulting company. It was formed in 2006 as a
subsidiary of LUWOGE, the housing company of BASF.
The purpose of LUWOGE consultis to market the comprehensive and long-time knowhow and
experience of its mother company in the field of energy efficient
solutions in the context of both, construction of new buildings and
refurbishment of existing real estate.
LUWOGE consult´s servicesare consulting, project management and research in construction
and housing industry.
The LUWOGE consult teamaccommodates about 20 colleagues, at home in various
disciplines, such as business economy, architecture, urban design,
civil engineering, technical engineering and industrial engineering.
They are working as project managers in Germany and abroad.
Services along the whole value chain
4ENERGY EFFICIENCY AND SUSTAINABILITY AS A HOLISTIC APPROACH
©LUWOGE CONSULT
METHODOLOGY
STOCK-CHECK
PORTFOLIO ANALYSIS
FEASIBILITY STUDY
QUARTER CONCEPT
NEW CONSTRUCTION
REFURBISHMENT
QUALITY MANAGEMENT
MONITORING
BRUNCKQUARTER LUDWIGSHAFEN
•Built in 1930s
•Destroyed in Worldwar II.
•Rebuilt in 1950s
•No alteration besides maintenance
•Low rents
•High change of tenants
•Aging of tenants
•High vacancy rate
•Noise pollution by traffic
•Low attractiveness of environment
•Unmodern floor plans
•Outdated building technology and
•construction
5ENERGY EFFICIENCY AND SUSTAINABILITY AS A HOLISTIC APPROACH
©LUWOGE CONSULT
METHODOLOGY
STOCK - CHECK
Data collection, estimation and weightning
Roof Windows
Shading
Air Conditioning
Facade
Terrace
Shutter
Window / Sliding Door
Heat Transfer 1
Heat Transfer 2
Supply Center
6ENERGY EFFICIENCY AND SUSTAINABILITY AS A HOLISTIC APPROACH
©LUWOGE CONSULT
METHODOLOGY
PORTFOLIO ANALYSIS
Portfolio strategy
Market attractiveness
Object attractiveness
low medium high
low
medium
high
A
Doing nothing
B
Demolition
C
Revitalizing
C
D
Modernization
D
E
Securing competitive
position
A
F
Selling
G
Defending position
with low investments
G
LEGEND
current position
D potential future position
STRATEGY OBJEKTIVESA
maximizing cash flow
B avoiding lossesC
long-term securing and
maximization of ROI
G
D
EF reallocating investment
7ENERGY EFFICIENCY AND SUSTAINABILITY AS A HOLISTIC APPROACH
©LUWOGE CONSULT
METHODOLOGY
FEASIBILITY STUDY
Building strategy
DIFFERENT ALTERNATIVES
•Energy consumption
•Technologies
•Investment
•Amount of credits
•Amount of rents
•Costs for maintenance
•Rate of vacancies
•Return on investment
•Grade of innovation
no action Maintenance modernisation
7 liter
modernisation
5 liter
modernisation
Passivhaus
target investor costs only for
safety
conservation of
value
raising of value raising of value raising of value
energy
consumption
12 liter 12 liter 7 liter 5 liter 1,5 liter
cost for heating
payed by
tenant tenant tenant tenant tenant
heating
technology
conventionally conventionally conventionally conventionally ventilation
system
capital
resources
240.000 € 648.000 € 972.000 € 300.000 € 370.000 €
raising of credit 0 € 0 € 0 € 900.000 € 1.600.000 €
rent 4,10 €/m² 4,10 €/m² 5,25 €/m² 5,50 €/m² 6,50 €/m²
costs für
maintenance
16 €/m² 16 €/m² 12 €/m² 15 €/m² 9 €/m²
vacancy 20-30% 12,5-25% 5 – 10% 5 – 10% 3,5-5%
return on
investment4,0 % 3,85% 6,50 % 6,54 % 6,3 %
Innovation - 0 - - 0 - standard standard high
8ENERGY EFFICIENCY AND SUSTAINABILITY AS A HOLISTIC APPROACH
©LUWOGE CONSULT
METHODOLOGY
QUARTER CONCEPT
Urban design and energy supply
ACTIONS
• Refurbishment 7-, 5-, 3-l standard
• Demolition
• New construction, 1-l standard
• Local heat supply
• Renewable energies
• Noise protection
• Housing/building office
• Old/young people
• Families/singles
• Local heat supply
3 l – HOUSE OFFICE BUILDING 1 I - HOUSE
9ENERGY EFFICIENCY AND SUSTAINABILITY AS A HOLISTIC APPROACH
©LUWOGE CONSULT
Architecture and technology
1 l house (Passive House standard)
METHODOLOGY
NEW CONSTRUCTION
CHARACTERISTICS
• Roof insulation 60 cm Neopor
• Wall insulation 30 cm Neopor
• Cellar ceiling insulation, floating screed
25 cm Perimeter-Duo
• Triple glazing, U-value < 0.8W/sqmK
• Sun protection
• Controlled ventilation with 85% heat
recovery
• Power station 14 kW/26 kW
10ENERGY EFFICIENCY AND SUSTAINABILITY AS A HOLISTIC APPROACH
©LUWOGE CONSULT
ADVANCEMENTS
• Controlled ventilation, 85% heat recovery
• Optimized thermal insulation, 20 cm
Neopor ®
• Comfortable room climate due to phase
change materials (PCM)
• Passive solar utilization by enlarging the
window area
• Vinidur® triple-glazed windows, gas filled,
PVC frames
• Environmentally friendly electricity and
heat generation by fuel cell pilot system
METHODOLOGY
REFURBISHMENT
Architecture and technology
3 l house
11ENERGY EFFICIENCY AND SUSTAINABILITY AS A HOLISTIC APPROACH
©LUWOGE CONSULT
L. introduction into each project phase
lecture
M. structuring of project organisation
moderation workshop
C. support at the project work
consulting in terms of energetically relevant aspects
P. collaboration on project work
planning/calculation of energetic components
Q. checking of the results
quality assurance of planning and execution
M. closure of work phases
moderation workshop
LUWOGE consult work (100%) LUWOGE consult support (50%) LUWOGE consult check (25%)
BASF moderation (0%)
Knowhow transfer and labeling
METHODOLOGY
QUALITY MANAGEMENT
12ENERGY EFFICIENCY AND SUSTAINABILITY AS A HOLISTIC APPROACH
©LUWOGE CONSULT
METHODOLOGY
MONITORING
THREE YEAR MONITORING PROGRAM
•Energy supply
•Energy costs
•Economical efficiency
•User behavior
•User satisfaction
•Rate of renting
•Change of tenants
Verification and evaluation
13ENERGY EFFICIENCY AND SUSTAINABILITY AS A HOLISTIC APPROACH
©LUWOGE CONSULT
4
2
1
3
TYPOLOGIES
RESIDENTIAL 1
COMMERCIAL 2
INSTITUTIONAL 3
CULTURAL 4
14ENERGY EFFICIENCY AND SUSTAINABILITY AS A HOLISTIC APPROACH
©LUWOGE CONSULT
FACTORS
CLIMATE
RESOURCES
BUILDING STRUCTURE
INFRASTRUCTURE
LIVING SPACE
SOCIETY
INFLUENCE OF MAIN FACTORS
• Humidity, temperature, precipitation
• Energy, money, construction
materials, man power
• Urban layout, building construction,
construction materials
• Traffic, disposal, supply
• Interior, exterior
• Culture, legislation, politics
§§
15ENERGY EFFICIENCY AND SUSTAINABILITY AS A HOLISTIC APPROACH
©LUWOGE CONSULT
SCALE AND MULTIPLICATION
PROTOTYPE
BUILDING
CLUSTER
QUARTER
CITY
REGION
COUNTRY
PROTOTYPE
BUILDING CLUSTER
QUARTER CITY
REGION COUNTRY
ROOM
16ENERGY EFFICIENCY AND SUSTAINABILITY AS A HOLISTIC APPROACH
©LUWOGE CONSULT
SCALE AND MULTIPLICATION
PROTOTYPE
Pavilion German Esplanade, Shanghai, CN
(BASF China)
CHARACTERISTICS
• Light wooden construction
• Removeable, transportable
• Gipsum plaster boards with phase
change materials for absorbtion of
temperature peaks
• Cork bottom with ACRODUR
adhesives
• Noise protection with BASOTECT
• Ecological room colour POLYMER
ACRONAL ECO
17ENERGY EFFICIENCY AND SUSTAINABILITY AS A HOLISTIC APPROACH
©LUWOGE CONSULT
SCALE AND MULTIPLICATION
BUILDING
Building Together (Buildtog), EU
(10 Housing Companies, EURHONET, BASF EUM)
We are looking for further participants!
OBJECTIVES
•European housing companies
network
•Apartement house with 16 dwellings
•Low energy consumption, ambitious
architecture, acceptable costs
•Common typology, local adaptations
•More than 10 participants in 6
countries
•Different climates (Sweden to Italy)
•Certification by Passive House
Institute
€
ARCHITECTURE
COSTSENERGY
18ENERGY EFFICIENCY AND SUSTAINABILITY AS A HOLISTIC APPROACH
©LUWOGE CONSULT
SCALE AND MULTIPLICATION
CLUSTER
Bethune, Calais, FR
(Habitat 62/59, BASF France)
PROJECT ATTENDANCE
• 50 apartments
• Passivehouse standard
• Support of planners and craftsmen
• Collaboration with BASF France
19ENERGY EFFICIENCY AND SUSTAINABILITY AS A HOLISTIC APPROACH
©LUWOGE CONSULT
SCALE AND MULTIPLICATION
QUARTER
Quartier Qrgeval, Reims, FR
(Le Foyer Remois, BASF France)
DECISION MATRIX OVERALL SUM TYPE 1 SUM TYPE 2 SUM TYPE 3
3/4 –
App.,
O/W -
Line
2 –
App.,
N/S -
Line
2 –
App.,
O/W -
Line
0 A B C D 0 A B C D 0 A B C D
Building C.R. / R.I. R.I. E.H.
Heated living space 45.333 m2 27,8% 12.602 m2 18,3% 8.310m2 19,1% 8.668 m2
Energy consumption current/ m2 128 KWh/m2a 88,8% 114 KWh/m2a 87,0% 112KWh/m2a 94,5% 121 KWh/m2a
Energy savings/ living space 65% 83 KWh/m2a 58,2% 66 KWh/m2a 57,5% 64KWh/m2a 63,4% 77 KWh/m2a
Energy demand new/ living space 35% 45 KWh/m2a 41,8% 48 KWh/m2a 42,5% 47KWh/m2a 36,6% 44 KWh/m2a
Energy savings 3.761 MWh 22,2% 836 MWh 14,2% 534MWh 17,7% 666 MWh
Costs 7.175.092 € 25,9% 1.856.094 € 18,8% 1.349.153€ 19,0% 1.364.600 €
Costs/ saved KWh 1,91 €/KWh 116,4% 2,22 €/KWh 132,5% 2,53€/KWh 107,4% 2,05 €/KWh
Costs/ heated living space 158 €/m2 93,1% 147 €/m2 102,6% 162€/m2 99,5% 157 €/m2
OUTER WALL UPPER FLOORS19,9% 1.430.654 € 1 1 1
AW 1 25,5% 21,2 KWh/m2a 27,7% 18,4 KWh/m2a 27,5% 17,7KWh/m2a 26,5% 20,4 KWh/m2a
78,2% 1,49 €/KWh 70,6% 1,57 €/KWh 65,2% 1,65€/KWh 80,3% 1,65 €/KWh
OUTER WALL FIRST FLOOR5,5% 394.552 € 1 1 1
AW 2 6,1% 5,1 KWh/m2a 6,8% 4,5 KWh/m2a 5,2% 3,4KWh/m2a 7,3% 5,6 KWh/m2a
89,7% 1,71 €/KWh 78,0% 1,73 €/KWh 86,4% 2,18€/KWh 81,1% 1,66 €/KWh
OUTER WALL BASEMENT0,3% 23.197 €
AW 3 1,0% 0,8 KWh/m2a 0,0% 0,0 KWh/m2a 0,0% 0,0KWh/m2a 0,0% 0,0 KWh/m2a
33,5% 0,64 €/KWh 0,0% 0,00 €/KWh 0,0% 0,00€/KWh 0,0% 0,00 €/KWh
INNER WALL BASEMENT0,3% 20.345 €
AW 3.1,4% 1,2 KWh/m2a 0,0% 0,0 KWh/m2a 0,0% 0,0KWh/m2a 0,0% 0,0 KWh/m2a
20,0% 0,38 €/KWh 0,0% 0,00 €/KWh 0,0% 0,00€/KWh 0,0% 0,00 €/KWh
OUTER WALL LOGGIA3,7% 265.279 € 1 1 1
AW 44,4% 3,7 KWh/m2a 3,3% 2,2 KWh/m2a 4,2% 2,7KWh/m2a 2,4% 1,8 KWh/m2a
83,2% 1,59 €/KWh 86,1% 1,91 €/KWh 76,1% 1,92€/KWh 94,1% 1,93 €/KWh
OUTER WALL ENTRANCE#DIV/0! #DIV/0! €
AW 5 0,0% 0,0 KWh/m2a 0,0% 0,0 KWh/m2a 0,0% 0,0KWh/m2a 0,0% 0,0 KWh/m2a
#DIV/0! #DIV/0! €/KWh 0,0% 0,00 €/KWh 0,0% 0,00€/KWh 0,0% 0,00 €/KWh
WINDOW33,3% 2.389.701 € 1 1 1
FE 17,8% 6,5 KWh/m2a 10,7% 7,1 KWh/m2a 9,4% 6,1KWh/m2a 7,1% 5,5 KWh/m2a
425,8% 8,12 €/KWh 361,0% 8,02 €/KWh 355,1% 8,98€/KWh 462,7% 9,48 €/KWh
WINDOW, LATERAL7,2% 515.025 € 1 1 1
FE 2 2,6% 2,1 KWh/m2a 1,3% 0,9 KWh/m2a 3,6% 2,3KWh/m2a 2,4% 1,9 KWh/m2a
277,6% 5,30 €/KWh 229,6% 5,10 €/KWh 236,1% 5,97€/KWh 273,6% 5,61 €/KWh
SUN PROTECTION2,2% 155.850 € 1 1 1
FE 3 2,5% 2,1 KWh/m2a 3,0% 2,0 KWh/m2a 2,7% 1,7KWh/m2a 2,2% 1,7 KWh/m2a
86,6% 1,65 €/KWh 84,0% 1,87 €/KWh 81,7% 2,06€/KWh 96,8% 1,98 €/KWh
ENTRANCE DOOR#DIV/0! #DIV/0! €
FE 4/5 0,0% 0,0 KWh/m2a 0,0% 0,0 KWh/m2a 0,0% 0,0KWh/m2a 0,0% 0,0 KWh/m2a
#DIV/0! #DIV/0! €/KWh 0% 0,00 €/KWh 0% 0,00€/KWh 0% 0,00 €/KWh
FLAT ROOF0,0% 0 € 1 1 1
DA 17,5% 14,5 KWh/m2a 0,0% 0,0 KWh/m2a 18,7% 12,0KWh/m2a 14,5% 11,1 KWh/m2a
0,0% 0,00 €/KWh 0,0% 0,00 €/KWh 0,0% 0,00€/KWh 0,0% 0,00 €/KWh
CEILING BASEMENT1,2% 88.967 € 1 1 1
DE 1 3,9% 3,3 KWh/m2a 4,3% 2,9 KWh/m2a 1,8% 1,1KWh/m2a 2,2% 1,7 KWh/m2a
31,6% 0,60 €/KWh 22,9% 0,51 €/KWh 49,2% 1,24€/KWh 41,6% 0,85 €/KWh
FLOOR STAIRCASE BASEMENT0,0% 0 €
DE 20,0% 0,0 KWh/m2a 0,0% 0,0 KWh/m2a 0,0% 0,0KWh/m2a 0,0% 0,0 KWh/m2a
0,0% 0,00 €/KWh 0,0% 0,00 €/KWh 0,0% 0,00€/KWh 0,0% 0,00 €/KWh
RESIDENTIAL BUILDINGS FROM 1970s
•Competition together with one of the
largest french construction companies
•Refurbishment of 520 dwellings
•Overall construction costs of more than
25 Mio. Euros
•Cooperation with BASF France
•Completion 2010/2013
•Possible energy performance with an
investment of 7, 9, 11 ... Million €
20ENERGY EFFICIENCY AND SUSTAINABILITY AS A HOLISTIC APPROACH
©LUWOGE CONSULT
SCALE AND MULTIPLICATION
CITY
Leipzig, Kreuzstraßenviertel, DE
(LWB Leipzig, BASF EUM)
21ENERGY EFFICIENCY AND SUSTAINABILITY AS A HOLISTIC APPROACH
©LUWOGE CONSULT
SCALE AND MULTIPLICATION
REGION
Ekaterinburg, Sverdlovsk, RU
(BASF EUM, RENOVA)
MARKET DEVELOPMENT
•1. - 10 pilotprojects, planning and
educa- tion by LC, assistance by local
planners, verification by local
administration
•2. - 100 example projects, planning by
local planners, assistance and
education by LC, verification by local
administration
•3. - 1.000 projects, planning local
planners, assistance in verification LC
22ENERGY EFFICIENCY AND SUSTAINABILITY AS A HOLISTIC APPROACH
©LUWOGE CONSULT
SCALE AND MULTIPLICATION
COUNTRY
United Kingdom, UK
(ETI, BRE, BASF UK)
23ENERGY EFFICIENCY AND SUSTAINABILITY AS A HOLISTIC APPROACH
©LUWOGE CONSULT
LOCAL ADAPTATION
CHINA
JIANGSU
NANJING
GULOU
MOFAN ROAD
CLUSTER
BUILDING
FACTORS
•Climate
•Resources
•Building structure
•Infrastructure
•Living space
•Society
24ENERGY EFFICIENCY AND SUSTAINABILITY AS A HOLISTIC APPROACH
©LUWOGE CONSULT
LOCAL ADAPTATION
CITY OF NANJING
Project Mofan Road Technology Innovation Parc
25ENERGY EFFICIENCY AND SUSTAINABILITY AS A HOLISTIC APPROACH
©LUWOGE CONSULT
LOCAL ADAPTATION
GULOU DISTRICT
Energy saving and emission reduction
TARGETS
•ca. 6 Mio m2 site area
•ca. 5.000.000 m2 floor space
•ca. 900.000.000 € investment
•ca. 180.- €/m2
•ca. 70% refurfurbishment
•ca. 30% new construction
•ca. 15% energy saving
•5 years construction period
(2011-2015)
26ENERGY EFFICIENCY AND SUSTAINABILITY AS A HOLISTIC APPROACH
©LUWOGE CONSULT
LOCAL ADAPTATION
MOFAN ROAD AREA
Simplification for calculation
TOTAL SITE AREA 6.150.000 m2
CLUSTER AREA 14% 845.564 m2
10 %
11 %
10 %
14 %
17 %
20 %
18 %
27ENERGY EFFICIENCY AND SUSTAINABILITY AS A HOLISTIC APPROACH
©LUWOGE CONSULT
LOCAL ADAPTATION
UNIVERSITY CLUSTER
Typologisation of building structure
TOTAL SITE AREA 6.150.000 m2
CLUSTER AREA 14% 845.564 m2
GROUND FLOOR AREA 219.476 m2
RESIDENTIAL 55% 121.234 m2
MEDIUM 38% 82.530 m2
5-12 (6) 27% 59.980 m2
FLOOR SPACE 419.860 m2
28ENERGY EFFICIENCY AND SUSTAINABILITY AS A HOLISTIC APPROACH
©LUWOGE CONSULT
LOCAL ADAPTATION
RESIDENTIAL BUILDING
Feasibility study of reference building
following the whole methodology
29ENERGY EFFICIENCY AND SUSTAINABILITY AS A HOLISTIC APPROACH
©LUWOGE CONSULT
INTERNATIONAL EXPERTS
LOCAL ADMINISTRATION
RESEARCH & EDUCATION
PROJECT MANAGEMENT
CONSTRUCTION COMPANIES
INDUSTRY
FINANCERS
COOPERATION
30ENERGY EFFICIENCY AND SUSTAINABILITY AS A HOLISTIC APPROACH
©LUWOGE CONSULT
THANK YOU VERY MUCH
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