The Encyclopedia of Housing by Andrew T. Carswell

Author:Andrew T. Carswell [Carswell, Andrew T.]
Language: eng
Format: epub
Tags: Real Estate, Public Policy, City Planning & Urban Development, Political Science, Buying & Selling Homes, Business & Economics
ISBN: 9781412989572
Google: Y7uF7eIjwmQC
Goodreads: 14321131
Publisher: SAGE
Published: 2012-06-13T00:00:00+00:00

The second element involves the continuous elimination of any one of the seven types of waste identified by lean theory:

Defects: any activity involving rework (e.g., wrong installation, defects in fabrication, and errors in punch lists)

Overproduction: any activity used to build too much or ahead of schedule (e.g., stockpiles of wood frame for windows at the job site too early in the construction process)

Excessive transportation: any activity related to material movement that does not directly support value-added activities (e.g., double handling drywall stacks around the job site)

Idle time: any waiting time (e.g., when a crew waits for instructions or materials at the job site)

Overprocessing: any activity or effort that adds no value to the house (e.g., requiring additional signatures on requisitions, or multiple handling of timesheets)

Excess inventory: any supply in excess of construction process requirements necessary to build the house just in time (e.g., uncut material, work in process, and finished assemblies pile up in the construction site)

Excessive motion: any movement of a crew that does not contribute added value to the house (e.g., when material is stored far away from the point of use or when workers look for tools)

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