LEED 2018 Q2 Addenda Takeaways  

The following is a candid overview of the rating systems updated in LEED 2018 Q2 Addenda

  • LEED v4 BD+C
  • LEED v4 ID+C
  • LEED v4 O+M
  • LEED v4 ND
  • LEED v3 Homes

 

LEED BD+C 

  • Campus irrigation metering (Credit: Building-Level Water Metering)  
  • Artificial existing land requirements (Credit: Minimum Program Requirements)
    • Projects built on artificial land (docks, piers, jetties, infill, etc.) meet the minimum program requirement as long as the structure was not produced for LEED approval purposes
  • Waste Diversion Approach to earn additional credit (Credit: Waste Management)
  • Remove x100 multiplier (Credit: Construction and Demolition Waste Management)
  • Whole Building Simulation (Credit: Minimum Energy Performance)
  • Cannabis Smoking (Credit: Environmental Tobacco Smoke (ETS) Control)
    • Within the LEED Prerequisite, Environmental Tobacco Smoke Control, the smoking of cannabis would be in violation of the interior and exterior smoking provisions as it has shown to have carcinogenic side effects in secondhand smoke

 

LEED ID+C

  • Artificial existing land requirements (Credit: Minimum Program Requirements)
  • Remove x100 multiplier (Credit: Construction and Demolition Waste Management)
    • Within the “Waste per area” calculation, remove the x100 multiplier from equation 2
  • Whole Building Simulation (Credit: Minimum Energy Performance)
  • Cannabis Smoking (Credit: Environmental Tobacco Smoke (ETS) Control)

 

LEED O+M

  • Calculating FSC Credit Contributions (Credit: Building product disclosure and organization and optimization – sourcing of raw materials)
    • FSC 100% labeled products provide 100% FSC content
    • FSC Mix Credit labeled products provide 100% FSC content
    • FSC Mix [NN]% labeled products provide the FSC content percentage indicated
  • Artificial existing land requirements (Credit: Minimum Program Requirements)
  • Cannabis Smoking (Credit: Environmental Tobacco Smoke (ETS) Control)

 

LEED ND

  • Artificial existing land requirements (Credit: Minimum Program Requirements)
  • Block Length Calculations update (Credit: Walkable Streets)
    • Block Length Calculation: At least 15% of the block length of the existing and new circulation networks within and bordering the project has a minimum building-height-to-street-centerline ratio of 1:1.5 (i.e., a minimum of 1 foot [300 millimeters] of building height for every 1.5 feet [450 millimeters] of width from street centerline to building façade). Alleys may be omitted from the calculations.
    • Total Project Street Frontage = 350ft
    • Total Frontage with Minimum Ratio = 300ft
    • Frontage Achieving Minimum Ratio = 85%

 

LEED Homes

  • Title 24 Energy and Atmosphere Compliance (Credit: Optimize Energy Performance)

To view the full list of addenda changes click here.

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