An introduction to DGNB - Green Building Council

An introduction to DGNB
Ensure the quality of your sustainable buildings in planning,
construction, and operation. The DGNB system helps you get there
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THE GROWING MARKET OF
SUSTAINABLE BUILDING.
THE DGNB CERTIFICATION SYSTEM.
UNIQUE AND HOLISTIC.
Sustainability is now a crucial topic in the construction and real estate
The DGNB Certification System is indispensable for anyone who plans
sectors. Increasingly, ecological, economic, and sociocultural issues are
sustainable buildings and wishes to document their quality. It is based
focal points in the planning, construction, and operation of buildings.
on the interdisciplinary expertise of DGNB members and covers all
The German Sustainable Building Council (DGNB for Deutsche
relevant fields in the planning, optimization, and assessment processes.
Gesellschaft für Nachhaltiges Bauen) is the partner you need to harmo-
Its flexibility has allowed it to be adapted to a wide range of building
nize these aspects. With our comprehensive expertise, we help you
types, which now make up a comprehensive portfolio. It is the only
systematically optimize and document the quality of your projects in
certification system that allows a building’s entire lifecycle to be
addition to helping you get specific information and qualifications in
monitored and optimized systematically according to unified standards
this crucial field.
– and for its specific qualities to be displayed transparently.
Climate change, resource scarcity, and the financial crisis – society today faces a wide range of
There are numerous certification system for sustainable building, but the DGNB Certification
challenges and has to assume responsibility for current problems, rather than pass them on to
System is unique. It is not only practical to apply and flexible to adjust to future or local require-
future generations. Fortunately, we also have technical solutions on hand. As a result, sustainability
ments, but it is also the only system worldwide that covers all of a property’s lifecycle phases.
has become the principle of our age. Sustainable development is only possible if ecological,
Each building can be assessed and certified on the basis of different phases – new buildings,
economic, and social goals are simultaneously and equally pursued.
modernizations, and existing buildings. In this way, the DGNB System offers maximum transparency and comparability for the construction and real estate sectors.
Our built environment can make a decisive difference in sustainability. According to The German
Federal Ministry for the Environment buildings account for roughly one third of the resource
Private-sector investors and building owners benefit from the certification system, as do cities
consumption in Germany. Their share of waste production and carbon emissions is similar. The
and communities who are looking for a reliable and affordable way of efficiently reaching and
aim of sustainable building is to systematically reduce these figures and simultaneously focus
documenting their sustainability targets.
on future developments in these fields. Sustainable building furthermore provides extensive
social and economic benefits. In the context of these challenges and opportunities, the German
DGNB CERTIFICATION OVER THE COMPLETE BUILDING LIFE-CYCLE WITH A UNIFIED APPROACH
Sustainable Building Council has developed one of the world’s leading assessment systems for
sustainable buildings: the DGNB Certification System.
Project
Development
Planning and
Construction
In use
Modernization
22.5 %
PreCertificate
for New
Buildings
Certificate
for New
Buildings
Certificate
for Existing
Buildings
Certificate for
Moderni­
zations
Economic
Quality
22.5 %
Sociocultural
and Functional
Quality
22.5 %
Environmental
Quality
22.5 %
Environmental Quality, Economic Quality,
Sociocultural and Functional Quality, Technical Quality,
Process Quality, Site Quality
10 %
Site
Quality
Process
Quality
Technical
Quality
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Comprehensive assessment.
Focus on economics.
Unparalleled flexibility.
Nationally and internationally.
Certifying existing buildings.
Assessing potential.
outset. This approach offers a number of benefits in planning, construction, and marketing. The early definition of
all essential sustainability criteria sets clear targets for eve-
Whether you are working with new buildings, existing real
The system’s great flexibility allows it to be easily adapted
Existing buildings make up the largest part of our built en-
ryone involved, which increases transparency, strengthens
estate, or modernization projects – and whether you are
to various building types. In addition, the system can easily
vironment. The potential to promote sustainable building
risk management, and provides a safe basis for the
dealing with individual buildings or entire city districts – our
react to future technical and societal changes and adapt
in this area is therefore especially high. Most building own-
planned performance targets. The same holds true for
unified assessment system covers all of the main
to the climatic, construction, legal, and cultural features of
ers and investors, however, need an assessment of the
financing. And of course, the quality label also increases
aspects of sustainable building: environmental, economical,
other countries.
building and its properties before they make a decision on
attractivity and rental and sales success. For you, that
sociocultural and functional aspects, technology, processes,
Our international DGNB Partner Network can therefore
certification. To be able to estimate a building’s potential
means greater financial security at an earlier stage.
and the building site. The first four evaluation areas have
provide a DGNB System tailored to your local needs. And
in terms of its overall performance, all of the issues cov-
equal weight in the assessment, making the DGNB System
in countries where a partner organization has not yet been
ered in the DGNB System must be taken into consideration
the only one that pays as much attention to the economic
set up or a system adaptation has not yet been completed,
in this assessment. The newly developed DGNB Existing
side of sustainable building – such as by assessing lifecycle
the DGNB offers certification based on EU laws, standards,
Building Assessment makes this a smooth process. For
costs – as to environmental criteria. In addition, the focus
and technical guidelines. In this way, we can set the same
more information, see page 10.
of the assessment is on the building’s entire lifecycle, giv-
standards and use the same approach internationally
ing the DGNB System a unique, comprehensive quality
to provide investors, building owners, and users with un-
perspective for the construction and real estate sectors.
paralleled comparability, transparency, and security.
Ensuring quality.
Broad expertise and clear processes.
The criteria in the DGNB Certification System are practical,
transparent, and highly developed. To ensure their quality,
Sustainable planning.
With the DGNB Pre-Certificate.
we pursue a process in which every new occupancy profile
in the system – new buildings, existing buildings, and
modernizations – undergoes various development phases
The sooner DGNB criteria are included in the planning
and passes through DGNB committees to get the broad
phase, the better. Pre-certification allows you to optimize
expertise of DGNB members. On the basis of this exper-
a project and provide binding documentation for real es-
tise, each occupancy profile is further optimized to consist-
tate purposes with a view towards sustainability from the
ently ensure its quality.
THE DGNB PARTNER NETWORK
America
Europe
Asia
IMPORTANCE OF THE DGNB PRE-CERTIFICATE
Canada
Russia
Denmark
Basic
Evaluation
China
Preliminary Blueprint and
Planning Approval Planning
Implementation and
Deteiled Planning
Tendering,
Assignment
Building
Construction
Germany
Czech Republic
Austria
Switzerland
Hungary
Slovenia
ability to influence
Brazil
Thailand
Bulgaria
Italy
Spain
cost and effort
for changes
Turkey
Greece
Countries with cooperation agreement
Countries with momarandum of understanding
BEGINNING
(Status November 2011)
DGNB PRE-CERTIFICATION
COMPLETION
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HOLISTIC PLANNING, BUILDING, AND
MANAGEMENT. THE DGNB SYSTEM IN
PRACTICE.
Rewarding quality.
Your benefits at a glance.
Holistic approach.
Focus on economics.
Comprehensive quality perspective: technology,
Precise assessment: individual profiles based on
the unified DGNB System are available for different
aspects of sustainability – environment, economics,
building types to ensure market-ready certification.
level, and remains identical across building types and even entire city
sustainable building.
adapted to climatic, construction, legal, and cultural
Economics given equal weight: the building’s
conditions and is already in use in several countries.
districts. It is based on two core catalogs consisting of clearly defined
Comparability: buildings that are DGNB-certified
criteria. The criteria are weighted according to their importance to the
as environmental, sociocultural, and technological
are comparable at both the national and international
aspects.
level.
particular occupancy profile and used to design an assessment matrix.
Considering lifecycle costs: by taking into account
In accordance with DGNB principles, the city district profile is a logical
the building’s overall lifecycle, operating costs can be
extension of the building profiles, as it focuses particularly on the area
optimized early on.
Optimization during planning.
Ensuring success early on.
Assessing overall performance: the DGNB system
between buildings and on the city district’s location.
Transparency and security on the market.
Documenting quality.
Certificate increases selling and renting potential since
building’s overall performance, thereby promoting
it demonstrates a building’s high quality to owners and
Promoting integrated planning: in particular, DGNB
users.
Quality from the outset: the DGNB Pre-Certificate
pre-certification supports integrated planning, providing
gives building owners and users confidence during the
optimization potential early on for construction,
early planning stage that the building’s performance
management, conversion, and dismantling with an
emphasis on optimizing costs.
Increasing market opportunities: the DGNB
provides targets – not individual measures – for a
innovative building concepts.
targets will be reached when it is finished.
Targeted planning and monitoring: a systematic
criteria catalog raises the awareness of implementation
Ensuring further rentals: demand for certified
buildings continues to grow, so that the risk of
definition of sustainability targets based on the DGNB
vacancies in such real estate is reduced.
Simplifying financing: faster and less expensive loans
early on for everyone involved and serves as a central
are available for properties that apply for DGNB
instrument for quality assurance during the construc-
Certification.
tion phase.
Building for people.
Great user satisfaction.
The DGNB Certificate covers all aspects of sustainable building at a high
Internationally applicable: the DGNB system can be
economic sustainability is given as much consideration
the process, and the site are added to the three classic
and society – to cover all of the issues relevant to
A systematic approach. Nationally
and internationally applicable.
Healthy users: the DGNB System takes into account
Specific and feasible.
Reaching environmental targets.
For future generations: DGNB-certified buildings
user well-being and health, thereby reducing illnesses.
consume fewer resources during construction, have
Live-in owners benefit: the DGNB System focuses on
lower greenhouse gas emissions, and can largely be
the building’s overall lifecycle from the outset, thereby
recycled; they therefore actively protect our
reducing costs and optimizing processes in operation.
environment.
The criteria in the DGNB’s core system define sustainable building in six fields. The quality of the
site does not play a role in the assessment of a building’s overall quality. In contrast, site quality
is a criterion for the assessment of city districts.
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CORE CATALOG FOR BUILDINGS
CORE CATALOG FOR CITY DISTRICTS
(continuation)
(continuation)
CORE CATALOG FOR BUILDINGS
CORE CATALOG FOR CITY DISTRICTS
Environmental Quality
Technical Quality
Life Cycle Assessment
Life Cycle Assessment
Fire Prevention
IT and Communication Infrastructure
Local Environmental Impact
Water and Soil Protection
Indoor Acoustics and Sound Insulation
Energy Technology
Environmentally Friendly Material Production
Change in City District Climate
Building Envelope Quality
Waste Management
Primary Energy Demand
Biodiversity and Interaction
Backup Capacity of Technical Building Systems
Rainwater Management
Drinking Water Demand and Wastewater Volume
Consideration of Possible Environmental Impacts
Ease of Cleaning and Maintenance
Dismantling, Sorting, and Recycling of the
Land Use
Land Use
Resistance to Hail, Storms, and Flooding
Total Primary Energy Demand and Renewable
Ease of Dismantling and Recycling
Maintenance, Servicing, Cleaning
Pollution Control
Quality of Transport Systems
Noise Emission Control
Quality of Road Infrastructure
Quality of Public Transport Infrastructure
Infrastructure
Primary Energy
Energy-Efficient Development Structure
Infrastructure with Low Resource Consumption,
Groundwater Management
Quality of Cycling Infrastructure
Local Food Production
Quality of Pedestrian Infrastructure
Water Cycle
Process Quality
Economic Quality
Comprehensive Project Definition
Participation
Concepts Developed in Competitive Bids
Integrated Planning
Building-Related Lifecycle Costs
Lifecycle Costs
Comprehensive Building Design
Integrated Planning
Value Retention, Suitability for Third Party Use
Fiscal Effects on Municipality
Sustainability Aspects in Tender Phase
Community Involvement
Value Retention
Documentation for Facility Management
Controlling
Efficient Use of Space
Environmental Impact of Construction Site /
Environmental Impact of Construction Site /
Construction Process
Sociocultural and Functional Quality
Construction Quality Assurance /
Marketing
Quality Control Measures
Quality Assurance and Monitoring
Systematic Commissioning
Thermal Comfort
Social and Functional Diversity
Indoor Air Quality
Social and Labour Infrastructure
Acoustic Comfort
Objective / Subjective Security
Visual Comfort
Quality of Open Areas in Public Spaces
User Influence on Building Operation
Noise Protection
Quality of Outdoor Spaces
Proportion of Open Areas
Safety and Security
Handicapped Accessibility
Site Location Risks
Handicapped Accessibility
Occupancy Flexibility and Development Structure
Site Location Conditions
Efficient Use of Floor Area
Adaptation to Urban Development Plan
Public Image and Social Conditions
Suitability for Conversion
Urban Planning Design
Access to Transportation
Public Access
Use of Existing Buildings
Access to Specific-Use Facilities
Cycling Convenience
Public Art
Connections to Utilities
Design and Urban Planning Quality through
Competition
Integration of Public Art
Site Features
Construction Process
Site Quality
Integrated as a Criterion for Assessment
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cate. If the score is 65 percent, a silver certificate is grant-
cal relevance and its importance for the specific occupancy
ed. A gold certificate requires a score of 80 percent.
profile (see the scoring matrix opposite).
The goal is to promote a standard of high quality for buildings. The performance in each of the evaluation areas relevant to the score therefore has to be of a certain nominal
level for a certificate to be issued. For instance, gold requires a Nominal Performance Index of at least 65 percent
in the first five topical categories. Silver requires a score of
at least 50 percent; bronze, at least 35 percent.
30.0
10.0
10.0
Photochemical Ozone Creation Potential
10.0
10.0
1
10.0
10.0
Acidification Potential
10.0
10.0
1
10.0
10.0
Eutrophication Potential
7.1
10.0
1
7.1
10.0
Local Environmental Impact
8.2
10.0
3
24.6
30.0
Sustainable Use of Resources / Wood
10.0
10.0
1
10.0
10.0
Nonrenewable Primary Energy Demand
10.0
10.0
3
30.0
30.0
Total Primary Energy Demand and
Proportion of Renewable Primary Energy
8.4
10.0
2
16.8
20.0
Drinking Water Demand and Volume of Waste Water
5.0
10.0
2
10.0
20.0
Land Use
10.0
10.0
2
20.0
20.0
LIFE CYCLE COSTS
Building-Related Life Cycle Costs
9.0
10.0
3
27.0
30.0
ECONOMIC
PERFORMANCE
Suitability for Third-Party Use
10.0
10.0
2
20.0
20.0
Thermal Comfort in Winter
10.0
10.0
2
20.0
20.0
Thermal Comfort in Summer
10.0
10.0
3
30.0
30.0
Indoor Air Quality
10.0
10.0
3
30.0
30.0
Acoustic Comfort
10.0
10.0
1
10.0
10.0
Visual Comfort
8.5
10.0
3
25.5
30.0
User Influence on Building Operation
6.7
10.0
2
13.4
20.0
Quality of Outdoor Spaces
9.0
10.0
1
9.0
10.0
Safety and Security
8.0
10.0
1
8.0
10.0
Accessibility
8.0
10.0
2
16.0
20.0
Efficient Use of Floor Area
5.0
10.0
1
5.0
10.0
Suitability for Conversion
7.1
10.0
2
14.2
20.0
Public Access
10.0
10.0
2
20.0
20.0
Cycling Convenience
10.0
10.0
1
10.0
10.0
Design and Urban Planning Quality through
Competition
10.0
10.0
3
30.0
30.0
Integration of Public Art
10.0
10.0
1
10.0
10.0
Fire Prevention
8.0
10.0
2
16.0
20.0
Indoor Acoustics and Sound Insulation
5.0
10.0
2
10.0
20.0
Building Envelope Quality
7.7
10.0
2
15.4
20.0
Ease of Cleaning and Maintenance
7.1
10.0
2
14.2
20.0
Ease of Dismantling and Recycling
9.2
10.0
2
18.4
20.0
Comprehensive Project Definition
8.3
10.0
3
24.9
30.0
Integrated Planning
10.0
10.0
3
30.0
30.0
Comprehensive Building Design
8.6
10.0
3
25.8
30.0
Sustainable Aspects in Tender Phase
10.0
10.0
2
20.0
20.0
Documentation for Facility Management
5.0
10.0
2
10.0
20.0
Environmental Impact of Construction Site /
Construction Process
7.7
10.0
2
15.4
20.0
Prequalification of Contractors
5.0
10.0
2
10.0
20.0
Construction Quality Assurance
10.0
10.0
3
30.0
30.0
Systematic Commissioning
7.5
10.0
3
22.5
30.0
Site Location Risks
7.0
10.0
2
14.0
20.0
Site Location Conditions
7.1
10.0
2
14.2
20.0
Public Image and Social Conditions
1.0
10.0
2
2.0
20.0
Access to Transportation
8.3
10.0
3
24.9
30.0
Access to Specific Use Facilities
9.7
10.0
2
19.4
20.0
Connection to Utilities
9.4
10.0
2
18.8
20.0
LIFE CYCLE
ANALYSIS
GLOBAL AND
LOCAL
ENVIRONMENTAL
IMPACT
RESSOURCE
CONSUMPTION
AND WASTE
GENERATION
HEALTH, COMFORT
AND USER
FRIENDLINESS
FUNCTIONALITY
Total
Performance
Index
from 50%
Nominal
Performance
Index
35%
Awards
Bronze
PROCESS QUALITY
GOLD, SILVER , BRONZE – EVALUATION BASED ON NOMINAL
PERFORMANCE INDEX
TECHNICAL QUALITY
AESTHETIC
QUALITY
TECHNICAL
QUALITY OF
BUILDING DESIGN
AND SYSTEMS
QUALITY OF THE
PLANNING PROCESS
CONSTRUCTION
QUALITY
from 80%
50%
65%
Silver
Gold
SITE QUALITY
from 65%
SITE QUALITY
Example of an assessment matrix of a DGNB gold certified building,
occupancy profile “New Office and Administrative Buildings, version 2009”
178.5
200.0
89.3%
22.5 %
47.0
50.0
94.0%
22.5 %
251.1
280.0
89.7%
22.5 %
74.0
100.0
74.0%
22.5 %
188.6
230.0
82.0%
10 .0%
93.3
130.0
71.8%
TOTAL
PERFORMANCE
INDEX
30.0
1
CRITERIA GROUP
3
10.0
GROUP
WEIGHT
fold or to disregard it entirely based on its societal or politi-
10.0
10.0
GROUP
PERFORMANCE
INDEX
cent, for instance, the building will receive a bronze certifi-
10.0
Ozone Depletion Potential
GROUP POINTS
MAX. POSSIBLE
increase the weighting of each criterion as much as three-
Global Warming Potential
GROUP POINTS
ACHIEVED
which the requirements are fulfilled. If the score is 50 per-
WEIGHTED POINTS
MAX. POSSIBLE
or calculated quality. At the same time, it is possible to
WEIGHTED POINTS
ACHIEVED
Each criterion can receive points based on its documented
the six evaluation areas. The score shows the extent to
WEIGHTING
FACTOR
collectively produce the score for the overall building and
CRITERIA POINTS
MAX. POSSIBLE
as possible, we have clearly defined targets for all criteria.
CRITERIA POINTS
ACHIEVED
each individual criterion and the weighting of the criteria
CRITERIA
To make the DGNB Certificate as informative and precise
ECONOMIC
QUALITY
The points granted by the auditor, planner, or architect for
SOCIOCULTURAL AND FUNCTIONAL QUALITY
Precise adjustments.
The weighting of criteria.
Gold, silver, or bronze.
Performance-based scoring.
ENVIRONMENTAL QUALITY
EVALUATION AREA
ACCURATE AND CLEAR. THE ASSESSMENT MATRIX OF THE DGNB CERTIFICATE.
86.3%
(Gold)
MEMBERS OF GREEN BUILDING COUNCIL DENMARK AS PER SEPTEMBER 2012
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