51
Denition of Terms
5S Audit Form: A scoring system used to rate the level of sustaining and as a
guideline for continuous improvement.
5S Tracking Sheet: A visual document posted in high-trafc areas that displays
the scores from the 5S Audit Sheet.
5S and the Visual Workplace: Lean implementation concept of creating a
highly organized work environment where everything has a place. Labels,
designations, paint, signage are examples used to create the visual workplace.
Daily Walkthrough: Performed after the end-of-day cleanup, the walkthrough
is conducted by a supervisor or worker to verify the cleanup is complete.
Defects: Mistakes made in the process causing rework, material scrap, and
lost products.
End-of-Day Cleanup Procedure: A sustaining document that outlines the
cleanup and reset requirements for the work area after each shift or day.
Floor Space: Performance measurement of how much factory space is being
used to conduct value-added work. Often measured in prot per square foot
or revenue per square foot.
Inventory: Higher-than-needed inventory levels due to excessive purchasing
of raw material, overproducing work in progress, and unsold nished goods.
Inventory ties up working capital, takes up oor space, and adds to longer
lead times.
Inventory: The measurement in quantity and cost of raw material, work in
progress, and nished goods.
Motion: Movement of workers, generally leaving their work areas to nd items
unavailable in the work area.
Overprocessing: The act of overperforming work steps, such as redundant
effort or extra steps.
Overproduction: The act of producing more product than necessary, perform-
ing work in the wrong order, and creating unnecessary inventory.
Productivity: One of the six Lean metrics that is a measurement of a worker’s
efciency in a process. Often, it is a comparison of the time allocated to
perform work to the actual time the worker took to perform it.
Quality: Internal measurement of rework, scrap, and defects in a production
process.
52 ◾ Denition of Terms
Red Tagging: An organized approach to sorting in which red tags are placed
on items to designate them as unnecessary. Red tag items are placed in a
staging area for permanent removal from the company.
Right Sizing: Concept of customizing the work area to identify the minimum
amount of space needed to store items.
Scrub: Act of cleaning and painting the work area to create a showroom
condition.
Set in Order: Act of complete organization of the company by which all
items are given home locations.
Shadow Board: A visual mechanism for organizing tools. Shadow boards
provide instant feedback on home locations and missing tools and opens
oor space by eliminating the need for tool boxes and shelves.
Sort: Act of discarding and removing all unnecessary items from the work area.
Standardize: Act of creating consistency in the 5S implementation through
guidelines for the visual workplace.
Sustain: the act of maintaining the work area after a 5S implementation.
Throughput Time: Time associated with all value-added and non-value-added
time in a process. It is the time it takes material to get through the rst and
last steps of the entire factory, from raw material to nished goods.
Transportation: The movement of raw, work in progress, and nished goods
throughout the company.
Travel Distance: Measurement of the physical distance of product and
workers and the time associated with it. A long travel distance equates
tolonger lead times in the process.
Waiting: When work comes to a stop due to lack of necessary tools, people,
material, information, and parts. Wait time is often called queue time.
Wasted Potential: Poor use of people, including skill sets not being utilized,
wrong job placement, and workers consumed in wasteful steps.
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