Lean vs tradisjonell byggemetode : en evaluering av OiB og Kunnskapssenteret
Master thesis
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http://hdl.handle.net/11250/295696Utgivelsesdato
2015-08-07Metadata
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- Master's theses (RealTek) [1826]
Sammendrag
Interrupts
and stops has become a big problem within in the construction industry. The
productivity has
continuously
fallen since the mid 90s. It is necessary for the
construction
sector to raise concern with the
productivity
and to learn from other sectors. Theorie
s from
other sectors should be taken into consideration in hope to change the productivity in the
construction sector, the goal is to
optimise
the tools and
theories
from other sectors.
The industry sector has developed a Lean production system that aims
to minimize and
eliminate all waste in the production industry. The goal is to create something
similar
within
construction.
The Toyota Production System has been developed over the last decade and Porsche
Consulting have now come up with a
similar
model
for the construction industry to build
within tact
time.
This thesis will look at the study of two projects. One is OiB and the other one is KS. OiB is
built after Statsbygg own standards and procedures while KS is built after Lean Management
and Porsche
tact. A big part of this thesis is the study of the two projects based documents
and existing theory giving by Porsche Consulting.
The analysis of OiB shows that it what was more contractors than originally planned.
Therefore the project had a lot of conf
licts related to 20 contractors. The project was lead by
hierarchical
leading structure, without any further involvement of workers. The project is
built upon the the procedures of Statsbygg. The project was built within agreed time and
budget.
The analysi
s of KS shows that the cooperation between the different contractors
had a alot of challenges. This was because the two different contractors had different
theories about Lean, one was the
entrepreneur
and the other was the consultant. The
production got l
ate because the drawings was late, this resulted with further delays within
the building. This incident caused
a lot
of stress, and the lack of experience didnt make it any
easier.
Majority of people involved in this project used Porsche tact for the very
first time
.
Both of the contractors have lost money on on this project, but the builder contractor got
the building done within agreed time and budget. 5
Implementing of new systems gives a lot of challenges, lean is a wide term and all
organisations have t
heir own way of interpreting it. The gap between the parties in this
project caused alot of challenges. Correct use of tact planning claims detailed and massive
planning. This needs to be trained on and will become easier with experience. Lean is still in
development within the construction industry and further research is needed in order for it
to be optimized.
This thesis is built on a Lean project. It is recommended that this topic is researched on
furthermore in to order generalize and standardize the t
heor
ies and thought we have foud
in this thesis