Log in
LEED Pilot Credits
LEED Pilot Credit Library
IEQ-Related Pilot Credits
Daylight in nonregularly occupied spaces

LEED CREDIT

Pilot-Credits EQpc116: Daylight in nonregularly occupied spaces 1 point

LEEDuser’s viewpoint

Explore this LEED credit

Post your questions on this credit in the forum, and click on the credit language tab to review to the LEED requirements.

Credit language

USGBC logo

© Copyright U.S. Green Building Council, Inc. All rights reserved.

Intent

To connect building occupants with the outdoors, reinforce circadian rhythms, and reduce the use of electrical lighting by introducing daylight into the space.

Requirements

Achieve at least 100 lux for 25% of the nonregularly occupied floor area for 1-2 floor buildings, 20% for 3-4 floor buildings, and 15% for buildings 5 floors and above. Demonstrate compliance through computer simulations outlined in Option 1 or Option 2 of the Daylight credit (BD+C, ID+C), or with daylight measurements as outlined in Option 3 of the Daylight credit (BD+C, ID+C).

Submittals

General

Register for the pilot credit

Pilot Credit Survey

Credit Specific
  • List of nonregularly occupied spaces and their annual summary values for sDA (Option 1), calculated illuminance values (Option 2), or measured illuminance values (Option 3)
  • Geometric plots from simulations, and narrative or output file describing daylight simulation program, simulation inputs, and weather file (Options 1 and 2 only)
  • Project drawing(s) with recorded daylight measurements and time that measurements were taken (Option 3 only)
  • Calculations demonstrating percentage of compliant nonregularly occupied floor area
Questions:
  • Did you also achieve the LEED v4 Daylight credit? How did you balance providing daylight in the regularly occupied spaces vs. daylight in the nonregularly occupied spaces?
  • How many floors does the building have?
  • What are the nonregularly occupied spaces in the project, how was daylight achieved in these spaces?

Published 5/1/2017

See all forum discussions about this credit »

What does it cost?

Cost estimates for this credit

On each BD+C v4 credit, LEEDuser offers the wisdom of a team of architects, engineers, cost estimators, and LEED experts with hundreds of LEED projects between then. They analyzed the sustainable design strategies associated with each LEED credit, but also to assign actual costs to those strategies.

Our tab contains overall cost guidance, notes on what “soft costs” to expect, and a strategy-by-strategy breakdown of what to consider and what it might cost, in percentage premiums, actual costs, or both.

This information is also available in a full PDF download in The Cost of LEED v4 report.

Learn more about The Cost of LEED v4 »

Documentation toolkit

The motherlode of cheat sheets

LEEDuser’s Documentation Toolkit is loaded with calculators to help assess credit compliance, tracking spreadsheets for materials, sample templates to help guide your narratives and LEED Online submissions, and examples of actual submissions from certified LEED projects for you to check your work against. To get your plaque, start with the right toolkit.

USGBC logo

© Copyright U.S. Green Building Council, Inc. All rights reserved.

Intent

To connect building occupants with the outdoors, reinforce circadian rhythms, and reduce the use of electrical lighting by introducing daylight into the space.

Requirements

Achieve at least 100 lux for 25% of the nonregularly occupied floor area for 1-2 floor buildings, 20% for 3-4 floor buildings, and 15% for buildings 5 floors and above. Demonstrate compliance through computer simulations outlined in Option 1 or Option 2 of the Daylight credit (BD+C, ID+C), or with daylight measurements as outlined in Option 3 of the Daylight credit (BD+C, ID+C).

Submittals

General

Register for the pilot credit

Pilot Credit Survey

Credit Specific
  • List of nonregularly occupied spaces and their annual summary values for sDA (Option 1), calculated illuminance values (Option 2), or measured illuminance values (Option 3)
  • Geometric plots from simulations, and narrative or output file describing daylight simulation program, simulation inputs, and weather file (Options 1 and 2 only)
  • Project drawing(s) with recorded daylight measurements and time that measurements were taken (Option 3 only)
  • Calculations demonstrating percentage of compliant nonregularly occupied floor area
Questions:
  • Did you also achieve the LEED v4 Daylight credit? How did you balance providing daylight in the regularly occupied spaces vs. daylight in the nonregularly occupied spaces?
  • How many floors does the building have?
  • What are the nonregularly occupied spaces in the project, how was daylight achieved in these spaces?

Published 5/1/2017

See all LEEDuser forum discussions about this credit » Subscribe to new discussions about Pilot-Credits EQpc116