If you haven’t heard anything about LEED 2009, don’t despair. I’ve taken the liberty of creating a PowerPoint presentation called “Easing the Transition into LEED 2009” that describes the changes that will take place as we move to LEED 2009.
If you have been keeping up with the changes proposed in LEED 2009, there were a few highlights in a recent email sent by the national USGBC team that deserve some extra press. They are:
- Expanded options for Heat Island Effect, Non-Roof materials, SSc7.1
- Inclusion of non-carpet flooring options, EQc4.3
As a disclaimer, these changes will not be set in stone until LEED 2009 go through the entire vetting process.
1. Expanded Options for Heat Island Effect, Non-Roof Materials, SSc7.1
In the LEED 2.2 NC SSc7.1, the requirement to reduce non-roof heat-island effect was accompanied by two options. Option 1 was centered on using a combination of strategies to reduce heat on site hardscape. Option 2 was focused on placing a minimum of 50% of parking spaces under cover. (Tracked changes are noted below in Excerpt A.)
At a quick glance, it looks as if LEED 2009 has added 2 extra strategies to Option 1. However upon closer inspection, it is evident that the USGBC has more precisely delineated which structures could count for shading hardscape and how soon each structure must be in place to count for this credit. Without this specificity in LEED 2.2 NC, one might misconstrue the credit to mean that a man-made shade structure such as from an architectural device, might not need to be installed right away because the text states that shading must be within 5 years (“Shade (within 5 years of occupancy)”). However, LEED 2009 clearly states that only shade from tree canopy or landscaping is given the 5-year window. Additionally, grid pavement systems must now be at least 50% pervious. In LEED 2.2 NC, this was unspecified.
Excerpt A – LEED 2009 Tracked Changes, SSc7.1:
(underlined = new text, strikethrough = deleted text)
OPTION 1
Provide Use any combination of the following strategies for 50% of the site hardscape (including
roads, sidewalks, courtyards and parking lots):
- Provide shade from existing tree canopy or within five years of landscape installation; landscaping (trees) must be in place at the time of occupancy.
- Provide shade from structures covered by solar panels that produce energy used to offset some non-renewable resource use.
- Provide shade from architectural devices or structures that have a solar reflectance index (SRI2) of at least 29.
- Have hardscape
Shade (within 5 years of occupancy) Paving materials with an Solar Reflectance Index (SRI)2 of at least 29.
- Have an open-Open grid pavement system (at least 50% pervious).
OR
OPTION 2
Place a minimum of 50% of parking spaces under cover (defined as under ground, under deck,
under roof, or under a building). Any roof used to shade or cover parking must have an SRI of at
least 29. 29, be a vegetated green roof, or be covered by solar panels that produce energy used to offset some non-renewable resource use.
2. Inclusion of Non-Carpet Flooring Options, EQc4.3:
As we know in the southwest, many buildings do not use carpeting as a flooring cover. Long have we waited for changes in the LEED Rating System giving credit to non-carpeted flooring because of the rationale that our non-carpeted floors are exceptionally green because they save the use of this extra material. Our cries have not fallen on deaf ears. However, the powers-that-be at the USGBC have agreed to give points for non-carpeted flooring but only if we abide by a few rules. (Note that I did not say “simple” rules.)
You can see in Excerpt B below that floors covered by vinyl, linoleum, laminate, wood, ceramic, rubber, wall-base, etc. must be certified as compliant with FloorScore. Concrete, wood, bamboo, and cork floor finishes must meet the South Coast Air Quality Management District (SCAQMD) Rule 1113 to gain this point. So, there are ways that we can get credit for floors without carpeting but just don’t expect that it will be an effortless journey.
The new wording of EQc4.3 is complex so please take a moment to read it in order to update yourself on the new changes.
Excerpt B – LEED 2009 Tracked Changes, EQc4.3:
(underlined = new text, strikethrough = deleted text)
All flooring must comply with the following as applicable to the project scope.
All carpet installed in the building interior shall meet the testing and product requirements of the Carpet and Rug Institute’s Green Label Plus program.
All carpet cushion installed in the building interior shall meet the requirements of the Carpet and Rug Institute Green Label program.
All carpet adhesive shall meet the requirements of EQ Credit 4.1: VOC limit of 50 g/L.
AND
All of the hard surface flooring must be certified as compliant with the FloorScore standard (current as of the date of this Rating System, or more stringent version) by an independent third party. Flooring products covered by FloorScore include vinyl, linoleum, laminate flooring, wood flooring, ceramic flooring, rubber flooring, wall base, and associated sundries.
An alternative compliance path using FloorScore is acceptable for credit achievement according to the following stipulations. 100% of the non-carpet finished flooring must be FloorScore certified, and it must comprise, at minimum, at least 25% of the finished floor area. Potential examples of unfinished flooring include floors in mechanical rooms, electrical rooms, and elevator service rooms
AND
Concrete, wood, bamboo, and cork floor finishes such as sealer, stain and finish must meet the requirements of South Coast Air Quality Management District (SCAQMD) Rule 1113, Architectural Coatings, rules in effect on January 1, 2004.
AND
Tile setting adhesives and grout must meet South Coast Air Quality Management District (SCAQMD) Rule #1168. VOC limits correspond to an effective date of July 1, 2005 and rule amendment date of January 7, 2005.
OR
All flooring products will meet the testing and product requirements of the California Department of Public Health Standard Practice for The Testing Of Volatile Organic Emissions From Various Sources Using Small-Scale Environmental Chambers, including 2004 Addenda.