RESEARCH
29
In the construction industry, Measure:
what
is
the can be controlled in more
the use of the six sigma relevant data to the problem practical ways to fit in a
principle for performance and what is the current desirable range Encouraged
assessments,
particularly performance based on a by the benefits of six sigma
aimed at high quality and sigma calculation?
principle application, future
variability control.it is one Analyze: when,where, and research will concentrate
of
the
approaches
to why do defects occur and on
developing
detailed
augmenting
productivity, what are the root causes?
guidelines on the CTQ control
which
concentrated
on Improve:
how
can
the of target factors based on
reducing cycle time and problem be solved using the diverse characteristics of
eliminating
any
defects alternatives derived in the many different companies
or errors engaged in the analysis phase?
because the customization of
processes. Actually this is Control: how can sustainable thesixsigmaprinciplestrategy
the main role of Six Sigma quality
improvements facilitates construction firms
principaltominimizethelosses be
made
through
the to achieve their own process
that might occur because institutionalization
of
the evaluation paradigm. For
of
incorrect
resources improved process?
these objectives, advanced
allocation, lack of systematic The
construction
industry financial feasibility analysis
quality improvement, and has endeavored to improve should be developed before
old pragmatic approach in project
performance
by the implementation of the
management
applying a number of new six sigma principle to a real
Six sigma principle initiatives philosophies.However, construction
operation.
are implemented through a reliable workflows were not Furthermore, as a basis
problem-solving framework achieved sufficiently up to for getting more effective
such as {Define-measure- this point. This is largely due to results from the six sigma
analysis-improvement- the lack of methodological principle, various aspects
control} (DMAIC).
metrics
to
quantitatively of construction operations
It
emphasizes
the set out the definite goal of and processes must be
identification and avoidance improvements and to reduce investigated in many different
of variations. Moreover, six the process variability through projects.
Finally,
base
sigma principle underlines the evaluation of quality level information must be provided
the explicit recognition of in the current construction from which the improvement
the root causes of defects operations.
targets can be selectively
and
statistical
process It is noticed that the six chosen based on the level of
control to sustain continuous sigma principle is not only practical benefits. Eventually,
improvements.
a
managerial
tool
for an integrated management
Each step includes the productivity
and
quality system should be established
following concepts:
improvement but also a to control the variations of
systemized tool for quality all the process activities as
Define: what problem needs and process control. With a whole, rather than the
to be solved and what the aid of the six sigma separated process, through
are the critical customer principle method, quality the
overall
performance
requirements and key factors variances or defects involved quality assessment.
affecting process output?
in construction processes

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