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LEED certification and entry mats
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A common headache among building owners, LEED notwithstanding, is controlling debris tracked into a building through foot traffic. The LEED rating system addresses this issue specifically in EQ 5 (LEED-CI) Indoor Chemical & Pollutant Source Control.
In this credit, walk-off mats are required at outside entries into the tenant space, though no specific sizes are recommended. LEED-NC, however, requires a minimum of 6 feet in length.
An efficient barrier to debris should include three stages:
- Scraper grid at outermost section
- Grass mat beyond the door entry
- Fiber mat to trap remaining debris inside the space
Given that the average cost to clean one pound of dirt is $600, and up to 24 pounds of dirt can be tracked in by 1000 people over a 20-day work timeframe, controlling entryway soiling makes sound economic sense as well.
Regular inspection and maintenance will ensure the efficacy of the system and certainly prolong the life of flooring within the space.
For more info: USGBC Website
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LEED CI EQ 5 and entry mats
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