LEED CI flashcards

What does “WE” stand for?
Water Efficiency
When is the critical decision points for Credits WE 1.1 and 1.


Building Selection and Leasing Negotiations
What is the requirement for credit WE 1.1 Water Use Reduction?
Use 20% less water ten the water baseline calculated for the tenant space (not including irrigation) after meeting the Energy Policy Act of 1992 fixture performance requirements.
Who Submits credit WE 1.1 and WE 1.2?
the MEP engineer or other responsible party
What else needs to be provided besides the template for credit WE 1.1 and WE 1.2?
a spreadsheet calculation demonstrating that the water consuming fixtures reduce the water by 20% or 30% (based on the credit submitted)
What does credit WE 1.

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2 require?

the same as WE 1.1, but it must be a 30% reduction
What are the EPACT 1992 fixture ratings?

  • Water closet
  • Urinals Showerheads
  • Faucets
  • Replacement Aerator
  • Metering Faucets

  • 1.6 GPF
  • 1.0 GPF
  • 2.5 GPM
  • 2.

    2 GPM

  • 2.2 GPM
  • 0.25 Gal/cy

What are the factors in the design case calculation for credit WE 1.1 and 1.2?
Fixtures, Daily use, flow rate (GPM), duration (sec or flush), occupant users, sewage generation (gal)
What is the requirement for the EP and ID credits within for Water Efficiency?
EP credit is for a 40% water reduction in regulated fixtures.

The ID credit is for at least a 10% reduction in EPACT non-regulated fixtures.

What does EA stand for?
Energy and Atmosphere
What does the EA prerequisite 1 require?

  1. Designate an individual as the Commissioning Authority that is not involved in the design or project mgmt.
  2. Document the ower’s project requirements for the projects energy related systems
  3. Develop and incorporate commissioning requirements into the CD’s
  4. Develop and utilize a commissioning plan
  5. Verify that the installation and performance of energy consuming systems meet the owner’s project requirements and basis of Design.
  6. Complete commissioning report

If it is included in the tenant scope, what needs to at least be included in the commissioned systems for EA prerequisite 1?
HVAC, lighting controls (daylighting included), domestic hot water system, renewable energy (PV, wind, solar…)
What is needs to be submitted besides the template for EAp1?
A narrative and diagrams indicating how the HVAC system works, what is shared with other tenants, what the project scope is, and if the improvements were made to any common building system supplying the tenant area.

What standard do you need to comply with to meet the requirements of EA prerequisite 2?
ANSI/ASHRAE/IESNA Standard 90.1-2004 or the local energy code (whichever is more stringent
Who is responsible for the EA prerequisite 2 submittals?
engineer, architect, or responsible party.
What is the scope of the ASHRAE 90.1-2004?
Sec. 5 Building EnvelopeSec.

6 HVACSec. 7 Service Water HeatingSec. 8 PowerSec. 9 LightingSection 10 Other Equipment

What is the EA prerequisite 3 called?
CFC Reduction in HVAC Equipment
What does the EAp3 require?
zero use of CFC-based refrigerants in new tenant HVAC systems when within the scope of work.
How can you earn ID credits for EAp3?
demonstrating that they have eliminated the use of ODP’s or materials with GWP’s from their project