The origin of the spaghetti diagram – when and where it was first used or who first recognized its resemblance to a plate of pasta – is not well known. What is clear is that this simple tool can be a very powerful representation of waste in various processes. An easily-understood visual presentation often provides the impetus needed for an organization to advance its improvement efforts.
While flow charts (see Vol. II) depict logical progressions through a process, spaghetti diagrams illustrate physical progressions. The movements tracked may be made by people, materials, paperwork, or other entities. As is the case with other maps, spaghetti diagrams can be created in very simple form, with information added as improvement efforts advance.
Facility Layout or Floor Plan
Of all business maps, the facility layout, or floor plan, is one of the most universal. If an organization has a physical presence – office, storefront, factory, etc. – it should have a documented layout that is updated as changes are made.
Documented layouts are most commonly prepared for manufacturing facilities because of their large footprints and large numbers of machines housed within them. Every type of organization, however, can benefit from a properly maintained layout drawing. Readily-available CAD software and trained users makes this a relatively simple task to complete.
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