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@PHDTHESIS{Weis:1012222,
author = {Weis, Stephanie},
othercontributors = {Brück-Dürkop, Sabine and Adam, Mario},
title = {{P}rozesse der energetischen {G}ebäude- und
{S}tadtsanierung},
school = {Rheinisch-Westfälische Technische Hochschule Aachen},
type = {Dissertation},
address = {Aachen},
publisher = {RWTH Aachen University},
reportid = {RWTH-2025-04924},
pages = {1 Online-Ressource : Illustrationen},
year = {2024},
note = {Veröffentlicht auf dem Publikationsserver der RWTH Aachen
University 2025; Dissertation, Rheinisch-Westfälische
Technische Hochschule Aachen, 2024},
abstract = {A successful building refurbishment is underpinned by an
awareness and coordination of the multiple associated
processes. Which processes play a pivotal role when the many
stakeholders and extensive parameters meet? What influence
do the stakeholders have on one another? What do efficient
process chains look like and how should interfaces and
intersecting subprocesses be designed? An analysis and
evaluation of business management process models in
comparison with building refurbishment and urban
redevelopment, as well as surveys of the stakeholders, can
provide valuable answers. The goal is to develop steps and
modules to improve building refurbishment processes. These
tools should then minimise the barriers faced by homeowners,
facilitate decision-making processes and make refurbishment
processes more efficient. Starting point: Because the
building sector accounts for a huge proportion of
Germany’s energy consumption, making existing buildings
more energy efficient is vital. From an architectural
standpoint, the focus is initially on potential
refurbishments. In this respect, it’s important to ask
what updates are worthwhile in making the building more
energy efficient. The time required to see a return on
investment in terms of costs and energy, as well as design
opportunities, are equally important considerations. There
is already a whole host of case studies and doctoral theses
on these topics. However, clarifying issues such as energy
efficiency technologies, costs and design are merely first
steps in deciding to make a building more energy efficient.
The project and associated processes then need to be carried
out. A successful project requires coordination and
optimisation of the many related processes, starting from
the building owner’s decision to refurbish to all work
stages to using the building itself. Which is why this
thesis will focus on the refurbishment processes themselves.
Hypothesis: A modular system covering each energy
refurbishment measure and the associated processes, ranging
from the decision to refurbish all the way to using the
building, makes planning and completing the processes
easier. The system also allows a resource friendly
organisation of the project (in terms of time, costs,
energy, hassle and end result etc.). The modules allow the
interfaces and dependencies between each of the process
steps and stakeholders to be established, organised and
improved in advance. A disclosure of the processes leads to
a better understanding of the refurbishment measures’
complexity and impact. It also helps building owners,
planners and tradespeople to take decisions. The modular
system can be applied to improving buildings’ energy
efficiency in general. Methods: First of all, information
about energy efficiency and processes will be systematically
summarised and interpreted (“secondary method”). On this
basis, qualitative research via surveys and interviews will
be conducted with the stakeholders involved in
energy-efficiency building refurbishments. The resulting
findings in each case will induce a process model and
modular system. For validation purposes, a workshop and more
interviews will complement the empirical study. Structure:
The first section of the doctoral thesis will define its
core topic. To do so, it will examine all key fundamentals
and boundary conditions required to explore the topic, as
well as the state of research. A precise objective will then
be established by developing overarching issues that the
thesis will discuss later. The second section will focus on
analysing energy refurbishment processes. Based on the first
section, qualitative research via an online survey and
expert interviews with relevant stakeholders will be
conducted. The objective is to create a process model rooted
in the findings gained. The goal of a workshop with expert
participants and more guideline-based interviews is to
increase expertise and act as a validating function. Once
the processes have been analysed and assessed, the
requirements for action will be indicated. The third section
will explore the requirements for action mentioned in
section two. Suitable action strategies will be developed to
control any welcome and unwelcome impact energy
refurbishment projects entail. The focus will be on
revealing, controlling and harmonising refurbishment
processes and the associated effects on ecological, economic
and sociological concerns. The action strategies are part of
the modular refurbishment system. They outline, organise and
optimise the roll-out. Applying the findings: The modular
refurbishment system is a theoretical model that provides
planning and decision-making guidance in carrying out
energy-efficiency refurbishment projects effectively in
privately owned housing. It is addressed at all
stakeholders, such as building owners, architects,
tradespeople, planners and energy consultants. In
particular, these modules can be applied and transferred
when they are linked to the businesses carrying out the
work. If the modular system is used as intended in a larger
context (by municipalities, neighbourhood management
organisations, guilds, associations etc.) as a digital tool
(an app), the resulting networks of companies carrying out
the work can act as multipliers in future refurbishment
projects. The publication of the findings will ensure
greater reach and leverage. The modular system can also be
used for the Institute for Sustainable Urban Development for
neighbourhood management purposes. Objectives: The doctoral
thesis will analyse the processes involved in energy
refurbishment projects and illustrate these theoretically in
a process model. The process model will spawn the
development of modules which will make the processes more
transparent and easier to control for all stakeholders in
private construction projects. By revealing the energy
refurbishment processes, the overarching objective is to
make roll-outs more efficient and therefore remove obstacles
in owners’ way and, in turn, increase the number of
energy-efficiency refurbishment projects. Organising
processes in a resource friendly way is beneficial, not only
to make the building but also peripheral activities more
efficient, consequently decreasing the costs, energy and
time involved.},
cin = {213220},
ddc = {720},
cid = {$I:(DE-82)213220_20140620$},
typ = {PUB:(DE-HGF)11},
doi = {10.18154/RWTH-2025-04924},
url = {https://publications.rwth-aachen.de/record/1012222},
}
Gast ::