All projects begin as a concept. A project concept, to
create a new product or service, typically includes a broad vision of what the
end result of the project will be. The temporary project results in the unique
product or service through progressive elaboration. Progressive elaboration is
the incremental design and refinement of the initial concept toward the project
plan.
As a project moves closer to completion, the identified needs that
launched the project are revisited and monitored. Complete understanding of the
needs-and the ability to fulfill those needs-comes from progressive elaboration.
Progressive elaboration is an iterative process designed to correctly and
completely fulfill the project objectives. This is evident in how the planning
and execution processes each contribute to one another. A similar example can be
seen in the process to create a Work Breakdown Structure (WBS). The WBS begins
with the project vision, which is then elaborated upon to create the project
scope, and then expanded again into the WBS, and so on.
Consider a concept to build a new building that would handle the
manufacturing and shipping of blue jeans. It would begin broadly, with materials
delivered, the assembly equipment, and the outward-bound shipping bays. As the
project team continues to research the needs and expectations of the project,
the project vision would be refined, honed, and polished to a detailed outline
of what the project would deliver. As you can see in below diagram , through incremental
steps, the project plan is developed and the unique project deliverables are
created.
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| Progressive elaboration |
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