You may find on a renovation of an existing building that some interior elements, such as walls, ceilings and doors, are in perfectly good condition and do not need to be replaced. This credit awards you one point for refinishing and reusing 50% of these elements. Projects are only eligible for this credit if the gross built area of the final building is less than two times the existing built area.
If an existing building plays a starring role in your project, it’s a good candidate for this credit, which rewards the reuse of buildings and their structural components. In this way you can reduce the energy- and resource-intensive manufacturing of new materials, while prolonging the enjoyment of a building’s character and history. If the existing building plays only a small role, on the other hand, it is less likely to qualify for this credit, although it may contribute to materials reuse credits.
All right, I'll admit it. The fact that the Netherlands-based revolving-door manufacturer Boon Edam has a model that uses human power to generate electricity is mostly a gimmick. By entering or leaving through the NRG+ Tourniket, a generator built into the revolving door mechanism powers three LED spotlights in the ceiling of the door.
But if it's a gimmick, it's a great one--if it gets more people to use revolving doors instead of standard hinged doors in commercial buildings.
The idea behind this credit is to ensure good indoor air quality (IAQ) for a project for occupancy. EQc3.2 can be seen as a belt-and-suspenders credit: even if the EQc4: Low-Emitting Materials credits are pursued, along with EQc3.1: Construction IAQ Management—During Construction, EQc3.2 ensures that the building ends up with the intended result. (Although it’s typical to do so, you don’t have to pursue any of those credits to go after this credit.)
This credit focuses on diverting waste from landfills by finding multiple alternatives for end uses of the waste, namely recycling, reuse on site, donation for reuse on another site, or resale. All of these diversion methods count towards credit compliance—MRc2.1 with a 50% construction waste diverted for one point and MRc2.2 with a 75% diversion rate for two points.
Look for opportunities to prevent the generation of waste on construction sites because the less waste you generate, the less you have to recycle or reuse to earn the credit.
More fresh air means healthier buildings. Building on LEED-NC 2009 IEQc2 requirements as an alternative compliance path.
For EQp1, project teams must use whichever is the more stringent code—ASHRAE 62.1 or the local code. However, for EQc2, the 30% increase is always based on ASHRAE 62.1, not the local code (even if it is more stringent).
By way of context, most glazing is "static." That means it has certain performance properties that remain the same, including visible light transmittance (Tvis), solar heat gain coefficient (SHGC), and U-factor.