What Are The Eight Wastes in Lean Construction?
The Eight Wastes—often remembered by the acronym D.O.W.N.T.I.M.E.—are:
Defects: Rework, mistakes, or incomplete work.
Overproduction: Doing more than is needed or before it’s needed.
Waiting: Idle time when people or materials are delayed.
Non-Utilized Talent: Not leveraging the skills and insights of your team.
Transportation: Unnecessary movement of materials or equipment.
Inventory: Excess materials or supplies taking up space.
Motion: Unnecessary movement by people (walking, searching, reaching).
Extra Processing: Doing more work than the client values.
