zFive Levels
of Process Maturity
zContinuous improvement based on small
evolutionary steps
zEach level lays successive foundations
zEach level comprises a set of key processes
that, when satisfied, stabilise an important component in
the construction process
The Model
Level 1
Initial
Level 2
Planned & Monitored
Level 3
Well Defined
Level 4
Quantitatively Controlled
Level 5
Continuously Improving