LEAN CONSTRUCTION AND WASTE REDUCTION

What is Lean Construction?

A construction approach that maximizes value while minimizing waste.

What are the eight wastes in Lean Construction?

Defects, Overproduction, Waiting, Not Utilizing Talent, Transportation, Inventory, Motion, and Extra Processing.

What is transportation waste?

Unnecessary movement of materials or information.

What is motion waste?

Unnecessary movement of workers or people.

What is inventory waste?

Holding excess materials or supplies beyond what is needed.

What is waiting waste?

Idle time caused by delays in materials, information, workers, or equipment.

What is defects waste?

Errors or poor-quality work requiring correction or rework.

What is extra processing waste?

Performing unnecessary or excessive work beyond what is required.

What are the five S's of Lean?

Sort, Set in Order, Shine, Standardize, and Sustain.

What is the Last Planner System?

A collaborative planning method that improves work planning and reliability.

What is Just-In-Time (JIT) delivery?

Delivering materials when needed to reduce excess inventory and storage.

What is the main goal of Lean Construction?

To maximize value, reduce waste, and improve construction efficiency.