Page 23 - European Energy Innovation - Winter 2016 publication
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eeBIM LAB – Towards A                                            Winter 2016 European Energy Innovation              23


Coherent Green Building Design Process

By Romy Guruz, Peter Katranuschkov & Raimar Scherer (Technische Universität Dresden, Institute of
construction informatics)

eeEmbedded is an European FP7 industry-driven                    specifically for each domain view, a Communication Layer
            project established under Call “Optimised design     providing a BCF-based Service Bus inter-connecting all
            methodologies for energy-efficient buildings         the distributed component services and tools, a Service
            integrated in the neighbourhood energy               Layer providing services for all needed model, variant and
systems”. The project runs from 01.10.2013-30.09.2017, the       simulation management functions, and a Repository Layer
consortium features 15 partners from 9 European countries.       representing the common project-wide information storage.
It develops an open BIM-based holistic collaborative
design and simulation platform, a related holistic design        MULTI-MODEL FRAMEWORK
methodology, an energy system information model and              The developed platform tools and services are supported
an integrated information management framework for               by a coherent multi-model framework based on standard
designing energy-efficient buildings and their optimal           BIM/IFC4, a set of interoperable data access APIs and a
energetic embedding in the neighbourhood of surrounding          novel Link Model approach enabling the flexible integration
buildings and energy systems. A new design control               of distributed heterogeneous (non-BIM) information
and monitoring system will support the complex design            resources such as climate data etc. The relevant domain
collaboration process. Knowledge-based detailing                 models encompass the Architectural Model and a new
templates will allow energy simulations as soon as in the        Energy System Information Model (ESIM), which provide the
early design phase and BIM-enabled interoperability will         backbone of the framework , as well as BACS, HVAC, Energy
provide for a seamless design process with distributed           Simulation, LCC, and LCA models. Data consistency is
experts. The main developed results after three years project    ensured by an overarching lean ontology, which provides for
running are:                                                     a uniform representation of the important multi-model inter-
                                                                 relationships also enabling data exchange requirements,
KEY POINT DRIVEN MULTI-DISCIPLINARY DESIGN                       KDP and KPI checks thereby ensuring high model and
METHOD                                                           data quality.
Key Points guide the design process by providing building
requirements and design criteria in form of target values,       VIRTUAL EEBIM LAB TOOLS
checked after all major design steps. They are categorized       The Virtual Lab comprises two tools common for all actors -
in Decision Values (DV), representing the preferences            the developed Multi-Model Navigator (MMNav) and the Key
of decision makers related to the project goals, Key             Point Analysis (KPA) tool. MMNav enables visualizing the 3D
Performance Indicators (KPI), providing numeric metrics          BIM model, linking its components with external data, and
of the building energy performance, and Key Design               can also show the results of the analysis/simulation tools
Parameters (KDP) representing mandatory building                 and the performed model checks. The KPA tool provides a
properties in terms of allowed value ranges as explained in      decision maker perspective by summarizing and configuring
the results of the first period.                                 KPI results from all analysed variants into easy to understand
                                                                 and decide upon diagrams. Each Lab is also configured
DECISION LEVEL SUPPORT                                           to include local or cloud-enabled design, analysis and
The developed method supports decision-making in                 simulation tools as appropriate for the respective
four clearly structured decision levels corresponding            actor profile.
to respective process and data views. The Setup view
addresses the translation of requirements to Key Points and      COLLABORATION AND RESOURCE MANAGEMENT
their use to setup individual design tasks. The Designer View    SERVICES
comprises the tasks related to the evolution and evaluation      The developed Scenario Manager coordinates a structured
of the design based on the set KDPs. The Analyst View            project setup (based on IDM), supports each design step
regards the energy and cost analysis and evaluation of           and manages data validation and data sharing. Additional
proposed design alternatives based on the computed KPIs          services like Job Matrix, Model Combiner etc. are
and the Decision Maker View regards the evaluation of the        developed as resource management services and support
design alternatives based on the weighted Decision Values.       the idea of intelligent BIM processes. l

INTEROPERABLE SERVICE ORIENTED ICT PLATFORM                      Contact details:
The developed conceptual approach is technically enabled         More results and a download section containing all
by a layered service-oriented platform. It comprises a User      public materials issued so far can be found on the
Layer including the actual value-add expert applications of      project’s Web Site:
the end users, a Virtual Lab Layer covering the functionalities
on user side developed generically and configured
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