Raised Access Floors: The Foundation of Flexibility and Efficiency
LEED-CI addresses the specifics of tenant spaces primarily in office, retail and institutional buildings. It is part of a comprehensive suite of LEED assessment tools under development by the USGBC to promote green design, construction, and operations practices in buildings nationwide. A companion rating system for Core & Shell developments (LEED-CS) is currently under development. Together, LEED-CI and LEED-CS will establish green building criteria for commercial office real estate for use by both developers and tenants. Some projects may have only one applicable rating system while others may have more. USGBC encourages the project team to tally a potential point total using the rating system checklists for all possibilities. The project is a viable candidate for LEED certification if it can meet all prerequisites and achieve the minimum points required in a given rating system. If more than one rating system applies, then it is up to the project team to decide which one to pursue.
LEED-CI is based on a total of57 points with award levels as follows:
| Certified | 21 to 26 points |
| Silver | 27 to 31 points |
| Gold | 32 to 41 points |
| Platinum | 42 or more points |
Within this framework for existing buildings, access floors have the potential to contribute to the following LEED-CI points:
| Materials & Resources | 1 to 10 points out of 14 Total Possible Points | Pts |
| Credit 1.2 | Building Reuse, Maintain 40% of Interior Non-Structural Components | 1 |
| Credit 1.3 | Building Reuse, Maintain 60% of Interior Non-Structural Components | 1 |
| Credit 2.1 | Construction Waste Management, Divert 50% From Landfill | 1 |
| Credit 2.2 | Construction Waste Management, Divert 75% From Landfill | 1 |
| Credit3.1 | Resource Reuse, 5% | 1 |
| Credit 3.2 | Resource Reuse, 10% | 1 |
| Credit 3.3 | Resource Reuse, 30% Furniture and Furnishings | 1 |
| Credit 4.1 | Recycled Content, 10% (post-consumer + 1/2 pre-consumer) | 1 |
| Credit 4.2 | Recycled Content, 20% (post-consumer + 1/2 pre-consumer) | 1 |
| Credit 5.1 | Regional Materials, 20% Manufactured Regionally | 1 |
| Indoor Environmental Quality |
1 to 9 points out of 17 | Pts |
| Credit 2 | Increased Ventilation | 1 |
| Credit 3.1 | Construction IAQ Management Plan, During Construction | 1 |
| Credit 3.2 | Construction IAQ Management Plan, Before Occupancy | 1 |
| Credit 4.1-4.5 | Low-Emitting Materials | 1-5 |
| Credit 6.2 | Controllability of Systems, Temperature and Ventilation | 1 |
| Innovation in Operation & Upgrades | Up to 1-4 points out of 5 Possible Points | Points |
| Credit 1.1 - 1.4 | Innovation in Operation & Upgrades | 1 - 4 |
| Credit 1.1 - 1.4 | Innovation in Operation & Upgrades | 1 - 4 |
| Source:www.usgbc.org | ||
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