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LEEDuser expert
Jill Dalglish, PE
MKK Consulting Engineers
Lighting Engineer
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Credit language
© Copyright U.S. Green Building Council, Inc. All rights reserved.
Intent
To provide building occupants a connection to the outdoors through the introduction of daylight and views into the regularly occupied areas of the building.
Requirements
Achieve a direct line of sight to the outdoor environment via vision glazing between 30 inches and 90 inches (between 0.8 meters and 2.3 meters) above the finish floor for building occupants in 90% of all regularly occupied areas. Determine the area with a direct line of sight by totaling the regularly occupied floor area that meets the following criteria:
- In plan view, the area is within sight lines drawn from perimeter vision glazing.
- In section view, a direct sight line can be drawn from the area to perimeter vision glazing.
The line of sight may be drawn through interior glazing. For private offices, the entire floor area of the office may be counted if 75% or more of the area has a direct line of sight to perimeter vision glazing. For multi-occupant spaces, the actual floor area with a direct line of sight to perimeter vision glazing is counted.
Credit substitution available
You may use the LEED v4 version of this credit on v2009 projects. For more information check out this article.
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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 »Frequently asked questions
For Exemplary Performance, what is a View Factor?The answer to this question is available to LEEDuser premium members. Start a free trial » (If you're already a premium member, log in here.) |
Does furniture need to be included in floor plan when completing views calculations?The answer to this question is available to LEEDuser premium members. Start a free trial » (If you're already a premium member, log in here.) |
If views are accessible from a seated position, yet above 42”, can these contribute to the views calculations?The answer to this question is available to LEEDuser premium members. Start a free trial » (If you're already a premium member, log in here.) |
Why does the LEED Reference Guide call for vision glazing between 30 and 90 inches, but I have to show compliance at 42 inches?The answer to this question is available to LEEDuser premium members. Start a free trial » (If you're already a premium member, log in here.) |
What is considered a regularly occupied space?The answer to this question is available to LEEDuser premium members. Start a free trial » (If you're already a premium member, log in here.) |
What can I do if my prescriptive method calculation results in a value less than 0.150?The answer to this question is available to LEEDuser premium members. Start a free trial » (If you're already a premium member, log in here.) |
What can I do if my prescriptive method calculation results in a value greater than 0.180?The answer to this question is available to LEEDuser premium members. Start a free trial » (If you're already a premium member, log in here.) |
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© Copyright U.S. Green Building Council, Inc. All rights reserved.
Intent
To provide building occupants a connection to the outdoors through the introduction of daylight and views into the regularly occupied areas of the building.
Requirements
Achieve a direct line of sight to the outdoor environment via vision glazing between 30 inches and 90 inches (between 0.8 meters and 2.3 meters) above the finish floor for building occupants in 90% of all regularly occupied areas. Determine the area with a direct line of sight by totaling the regularly occupied floor area that meets the following criteria:
- In plan view, the area is within sight lines drawn from perimeter vision glazing.
- In section view, a direct sight line can be drawn from the area to perimeter vision glazing.
The line of sight may be drawn through interior glazing. For private offices, the entire floor area of the office may be counted if 75% or more of the area has a direct line of sight to perimeter vision glazing. For multi-occupant spaces, the actual floor area with a direct line of sight to perimeter vision glazing is counted.
Credit substitution available
You may use the LEED v4 version of this credit on v2009 projects. For more information check out this article.
XX%
Upgrade to LEEDuser Premium to see how many projects achieved this credit. Try it free »
Got the gist of IEQc8.2 but not sure how to actually achieve it? LEEDuser gives step-by-step help. Premium members get:
- Checklists covering all the key action steps you'll need to earn the credit.
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- On-the-fly suggestions of useful items from the Documentation Toolkit and Credit Language.
In the end, LEED is all about documentation. LEEDuser’s Documentation Toolkit, for premium members only, saves you time and helps you avoid mistakes with:
- Calculators to help assess credit compliance.
- Tracking spreadsheets for materials purchases.
- Spreadsheets and forms to give to subs and other team members.
- Guidance documents on arcane LEED issues.
- Sample templates to help guide your narratives and LEED Online submissions.
- Examples of actual submissions from certified LEED projects.
For Exemplary Performance, what is a View Factor?The answer to this question is available to LEEDuser premium members. Start a free trial » (If you're already a premium member, log in here.) |
Does furniture need to be included in floor plan when completing views calculations?The answer to this question is available to LEEDuser premium members. Start a free trial » (If you're already a premium member, log in here.) |
If views are accessible from a seated position, yet above 42”, can these contribute to the views calculations?The answer to this question is available to LEEDuser premium members. Start a free trial » (If you're already a premium member, log in here.) |
Why does the LEED Reference Guide call for vision glazing between 30 and 90 inches, but I have to show compliance at 42 inches?The answer to this question is available to LEEDuser premium members. Start a free trial » (If you're already a premium member, log in here.) |
What is considered a regularly occupied space?The answer to this question is available to LEEDuser premium members. Start a free trial » (If you're already a premium member, log in here.) |
What can I do if my prescriptive method calculation results in a value less than 0.150?The answer to this question is available to LEEDuser premium members. Start a free trial » (If you're already a premium member, log in here.) |
What can I do if my prescriptive method calculation results in a value greater than 0.180?The answer to this question is available to LEEDuser premium members. Start a free trial » (If you're already a premium member, log in here.) |
LEEDuser expert
Jill Dalglish, PE
MKK Consulting Engineers
Lighting Engineer