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WELL Addenda

WELL ADDENDA

Review the complete list of addenda changes made to the WELL Building Standard.

Feature 50: Food storage

Type Description
Amendment
Type: Amendment
Post Date: 20 Oct, 2017

Add: "one of" before "the following"


Amendment
Type: Amendment
Post Date: 20 Oct, 2017

Add: "b. Evidence that the volume provided exceeds occupant demand by at least 20%."


Intent
Type: Intent
Post Date: 24 Oct, 2016

In the Feature description, remove the second paragraph. Replace with the following text:
'Intent: To encourage the consumption of fresh foods by providing sufficient cold food storage to occupants.'


Verification type
Type: Verification type
Post Date: 10 Feb, 2016

Add Owner Letter of Assurance as required documentation, remove Architect Letter of Assurance.


Feature 51: Food production

Type Description
Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Remove:"allocated". Add: "accessible and located"


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Add: "with food-bearing plants" after "A garden"


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Add: "with food-bearing plants" after "A greenhouse"


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Add: "c. Edible landscaping (e.g., fruit trees, herbs)."


Intent
Type: Intent
Post Date: 24 Oct, 2016

In the Feature description, remove the second paragraph. Replace with the following text:
'Intent: To improve access to fresh produce by providing space, infrastructure and tools for on-site food production.'


Verification type
Type: Verification type
Post Date: 10 Feb, 2016

Add Owner Letters of Assurance as required documentation, remove Architect Letter of Assurance.


Feature 52: Mindful eating

Type Description
Amendment
Type: Amendment
Post Date: 05 Feb, 2018

In part description, remove: "early education, elementary, middle, and high schools". Add: "early education, primary and secondary schools"


Amendment
Type: Amendment
Post Date: 20 Oct, 2017

In Appendix I, remove: "Extent of Developer Buildout with Capacity for Tenant Achievement". Add: "Entire Building"


Amendment
Type: Amendment
Post Date: 26 Jul, 2017

In part description, Remove: "employees". Add: "occupants"


Amendment
Type: Amendment
Post Date: 26 Jul, 2017

In Part 1 and Part 2, remove: "employees". Add: "occupants"


Amendment
Type: Amendment
Post Date: 26 Jul, 2017

Remove: "employees". Add: "occupants"


Amendment
Type: Amendment
Post Date: 26 Jul, 2017

In part description, Remove: "employees". Add: "occupants"


Amendment
Type: Amendment
Post Date: 26 Jul, 2017

Remove: "employee". Add: "occupant"


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Remove: "b. Are located within 60 m [200 ft] of at least 90% of all occupants"


Intent
Type: Intent
Post Date: 24 Oct, 2016

In the Feature description, remove the second paragraph. Replace with the following text:
'Intent: To encourage mindful eating behaviors and socialization by providing communal eating spaces.'


Amendment
Type: Amendment
Post Date: 06 May, 2016

In Part 2a, change “Refrigerator, microwave and sink” to “Refrigerator, device for reheating food (such as microwave or toaster oven) and sink”


Feature 53: Visual lighting design

Type Description
Amendment
Type: Amendment
Post Date: 01 May, 2019

If average ambient light is below 300 lux [28 fc] and meets Part 1a, task lights providing 300 to 500 lux [28 to 46 fc] at the work surface are available upon request.


Amendment
Type: Amendment
Post Date: 15 Aug, 2018

In 17 Jan, 2017 EP, remove: "Note that this...China GB50034-2013 to ensure compliance."


Amendment
Type: Amendment
Post Date: 07 Jun, 2018

For Part 5a, remove: "elementary, middle and high schools". Add: "primary and secondary schools"


Amendment
Type: Amendment
Post Date: 07 Jun, 2018

For Part 1c, add "average" before "ambient light"


Amendment
Type: Amendment
Post Date: 07 Jun, 2018

For Part 1a, remove: "plane, 0.76 m [30 inches] above finished floor". Add: "work plane"


Alternative Adherence Path
Type: Alternative Adherence Path
Post Date: 05 Feb, 2018

Projects may meet requirements outlined in Part 1b by zoning the space into banks according to proximity to windows or corresponding to location of departments even if the areas differ from those prescribed in Part 1b.


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Remove: "Brightness contrasts between task surfaces and immediately adjacent surfaces, including adjacent visual display terminal screens". Add: "Maximum brightness contrasts between task surfaces and immediately adjacent surfaces, including adjacent visual display terminal screens. For example, projects may establish that, while still maintaining lighting variety, a surface cannot exhibit 3 times greater or lesser luminance than an adjacent surface"


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Remove: "Brightness contrasts between task surfaces and remote, non-adjacent surfaces in the same room". Add: "Brightness contrasts between task surfaces and remote, non-adjacent surfaces in the same room. For example, projects may establish that, while still maintaining lighting variety, a surface cannot exhibit 10 times greater or lesser luminance than another remote surface in the same room"


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Remove: "The way brightness is distributed across ceilings in a given room". Add: "The way brightness is distributed across ceilings in a given room that maintains lighting variety but avoids both dark spots, or excessively bright, potentially glaring spots. For example, projects may establish that, while still maintaining lighting variety, one part of the ceiling cannot be 10 times greater or lesser luminance than another part of the ceiling in the same room"


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Remove: "Brightness contract between main rooms and ancillary spaces, such as corridors and stairwells, if present". Add: "Maximum brightness contrasts between main rooms and ancillary spaces, such as corridors and stairwells, if present. For example, projects may establish that, while still maintaining lighting variety, a main room cannot exhibit 10 times greater or lesser luminance than an ancillary space"


Equivalency
Type: Equivalency
Post Date: 17 Jan, 2017

The China standard GB50034-2013 has been approved to meet the requirements of Feature 53 Part 1a.


Intent
Type: Intent
Post Date: 24 Oct, 2016

In the Feature description, remove the second paragraph. Replace with the following text:
'Intent: To support visual acuity by setting a threshold for adequate light levels and requiring luminance to be balanced within and across indoor spaces.'


Verification type
Type: Verification type
Post Date: 24 Oct, 2016

For Feature 53, Part 1 add Policy Document as required documentation, along with Architect Letter of Assurance and Spot Measurement. This policy document should be used to confirm the requirements of Part 1c of this feature.


Verification type
Type: Verification type
Post Date: 10 Feb, 2016

Add professional narrative as required documentation, remove Architect Letter of Assurance, remove on-site spot measurements.


Feature 54: Circadian lighting design

Type Description
Amendment
Type: Amendment
Post Date: 01 Nov, 2018

For Part 2b, remove: "Lights" before "provide not more than…". Add: "During the nighttime, lights"


Amendment
Type: Amendment
Post Date: 07 Jun, 2018

For Part 4a, remove: "elementary, middle and high schools". Add: "primary and secondary schools"


Amendment
Type: Amendment
Post Date: 07 Jun, 2018

For Part 4b, remove: "elementary school, middle school, or high school". Add: "primary and secondary school"


Amendment
Type: Amendment
Post Date: 05 Feb, 2018

In 17 Jan, 2017 AAP, remove: "task". Add: "task or other supplemental lighting"


Amendment
Type: Amendment
Post Date: 05 Feb, 2018

For Part 1b, remove: "(which may include task lighting)" after "electric lights"


Amendment
Type: Amendment
Post Date: 20 Oct, 2017

For Part 1b, remove: "Vertical (Ev) Targets for the 25-65 category in Table B1 of IES-ANSI RP-1-12". Add: "required amount"


Amendment
Type: Amendment
Post Date: 26 Jul, 2017

For Part 1b, add: "facing forward (to simulate the view of the occupant)" after "vertical plane"


Amendment
Type: Amendment
Post Date: 26 Jul, 2017

Add: "During Performance Verification, EML is measured on the vertical plane at eye level of the occupant." after "The biological effects of light on humans can be measured in Equivalent Melanopic Lux (EML), a proposed alternate metric that is weighted to the ipRGCs instead of to the cones, which is the case with traditional lux."


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Remove: "At least one of the following requirements is met". Add: " Light models or light calculations demonstrate that at least one of the following requirements is met"


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Remove: "Light models or light calculations (which may incorporate daylight) show that at least 250 equivalent melanopic lux is present at 75% or more of workstations, measured on the vertical plane facing forward, 1.2 m [4 ft] above finished floor (to stimulate the view of the occupant). This light level is present for at least 4 hours per day for every day of the year". Add: "At 75% or more of workstations, at least 200 equivalent melanopic lux is present, measured on the vertical plane facing forward, 1.2 m [4 ft] above finished floor (to simulate the view of the occupant). This light level may incorporate daylight, and is present for at least the hours between 9:00 AM and 1:00 PM for every day of the year"


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Remove: " For all workstations, electric lights (which may include task lighting) provide maintained illuminance on the vertical plane of equivalent melanopic lux, greater than or equal to the lux recommendations in the Vertical (Ev) Targets for the 25-65 category in Table B1 of IES-ANSI RP-1-12. For example, Reception Desks are provided with 150 equivalent melanopic lux from the electric lights". Add: "For all workstations, electric lights (which may include task lighting) provide maintained illuminance on the vertical plane of 150 equivalent melanopic lux or greater. Projects may use the lux recommendations in the Vertical (Ev) Targets for the 25-65 category in Table B1 of IES-ANSI RP-1-12 in place of 150"


Alternative Adherence Path
Type: Alternative Adherence Path
Post Date: 27 Apr, 2017

Projects pursuing option a, in place of a letter of assurance and on-site spot checks as indicated in the Performance Verification Guidebook, may provide an annotated floor plan which identifies a subset of workstations that comprise at least 75% of the total number present on site. During Performance Verification, the WELL Performance Testing Agent will restrict sampling to these workstations, and compliance with this feature will be based on 100% of samples equaling or exceeding 200 equivalent melanopic lux.


Alternative Adherence Path
Type: Alternative Adherence Path
Post Date: 17 Jan, 2017

To increase the delivered Equivalent Melanopic Lux and fulfill Feature 54, projects may provide task or other supplemental lighting at workstations upon request. Projects choosing to pursue this option must demonstrate that they have sufficient funding to procure task or other supplemental lighting for at least 75% of the total workstations within the WELL boundary. Projects must also provide comprehensive education to employees that focuses on the benefits of task or other supplemental lighting and circadian lighting overall.
Note that during the Performance Verification, the project must provide a sample of these task or other supplemental lights and coordinate the placement and the power source at each applicable workstation prior to the lighting measurements. A sufficient number of task or other supplemental lights should be provided so as to not impede the site visit schedule.


Intent
Type: Intent
Post Date: 24 Oct, 2016

In the Feature description, remove the second paragraph. Replace with the following text:
'Intent: To support circadian health by setting a minimum threshold for daytime light intensity.'


Amendment
Type: Amendment
Post Date: 06 May, 2016

In Part 1b, change “For all workstations, electric lights provide…” to “For all workstations, electric lights (which may include task lighting) provide…”


Amendment
Type: Amendment
Post Date: 10 Feb, 2016

In Part 1b, Change first part of first sentence from “Electric lights provide” to "For all workstations, electric lights provide"


Feature 53: Electric light glare control

Type Description
Amendment
Type: Amendment
Post Date: 01 May, 2019

At workstations, desks, and other seating areas in regularly occupied spaces, one of the following requirements areis met:


Feature 55: Electric light glare control

Type Description
Amendment
Type: Amendment
Post Date: 01 Nov, 2018

For Part 2b, add ", desks and other seating areas" after "Workstations"


Amendment
Type: Amendment
Post Date: 07 Jun, 2018

For Part 2, remove: "requirement". Add: "requirements"


Amendment
Type: Amendment
Post Date: 07 Jun, 2018

For Part 2, add: "one of the" after "...and other seating areas,"


Amendment
Type: Amendment
Post Date: 07 Jun, 2018

For Part 2, add: "b. Workstations achieve a UGR of 19 (or less)."


Amendment
Type: Amendment
Post Date: 26 Jul, 2017

In part heading, Remove: "Lamp". Add: "Luminaire"


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Remove: "500,000 cd/m² and above: 30°". Add: "⍺: 30° for 500,000 cd/m² and above"


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Remove: "Bare lamps and luminaire surfaces". Add: "Luminaires"


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Remove: "Lamps with the following luminance in regularly occupied spaces are shielded by the angles listed below or greater". Add: "The following shielding angles (⍺ = 90 - cutoff angle) must be observed for lamps in regularly occupied spaces with luminance values in the ranges specified"


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Remove: "Less than 20,000 cd/m², including reflected sources: no shielding required". Add: "No shielding required for less than 20,000 cd/m² (including reflected sources)"


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Remove: "50,000 to 500,000 cd/m²: 20°". Add: "⍺: 20° for 50,000 to 500,000 cd/m²"


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Remove: "20,000 to 50,000 cd/m²: 15°". Add: "⍺: 15° for 20,000 to 50,000 cd/m²"


Equivalency
Type: Equivalency
Post Date: 24 Oct, 2016

The Unified Glare Rating (UGR) value may be used in lieu of the requirements of Feature 55 as written. Specifically, the recommendations in EN 12464-1 may be used in place of Part 1.


Intent
Type: Intent
Post Date: 24 Oct, 2016

In the Feature description, remove the second paragraph. Replace with the following text:
'Intent: To minimize direct and overhead glare by setting limits on the luminous intensity of luminaires.'


Amendment
Type: Amendment
Post Date: 06 May, 2016

Change “At workstations and desks, the following requirement is met:” to “At workstations, desks and other seating areas, the following requirement is met:”


Feature 56: Solar glare control

Type Description
Amendment
Type: Amendment
Post Date: 07 Jun, 2018

In part description, add: "(excluding lobbies)" after "regularly occupied spaces"


Intent
Type: Intent
Post Date: 24 Oct, 2016

In the Feature description, remove the second paragraph. Replace with the following text:
Intent: 'To avoid glare from the sun by blocking or reflecting direct sunlight away from occupants.'


Alternative Adherence Path
Type: Alternative Adherence Path
Post Date: 24 Oct, 2016

The following glare control strategies may be used in lieu of glare requirements for atriums. Project teams may submit a plan or narrative detailing the use of a combination of the following: glare reducing film that has a solar transmittance of 10% or less, space planning to ensure workstations are set back from atrium spaces by at least 7 feet, and building orientation to reduce solar glare. Project teams must demonstrate that occupant comfort is not impacted.


Amendment
Type: Amendment
Post Date: 06 May, 2016

In Part 1b, change “External shading systems that are controllable by the occupants or set on a timer” to “External shading systems that are set to automatically prevent glare”


Amendment
Type: Amendment
Post Date: 06 May, 2016

Change “At least one of the following is required for all glazing greater than 2.1 m (7 ft) above the floor:” to “At least one of the following is required for all glazing greater than 2.1 m (7 ft) above the floor in regularly occupied spaces:”


Amendment
Type: Amendment
Post Date: 06 May, 2016

In Part 2a, change “Interior window shading or blinds that are controllable by the occupants or set on a timer” to “Interior window shading or blinds that are controllable by the occupants or set to automatically prevent glare.”


Amendment
Type: Amendment
Post Date: 06 May, 2016

In Part 2b, change “External shading systems that are controllable by the occupants or set on a timer.” To “External shading systems that are set to automatically prevent glare.”


Amendment
Type: Amendment
Post Date: 06 May, 2016

Change “At least one of the following is present for all glazing less than 2.1m [7 ft] above the floor:” to “At least one of the following is present for all glazing less than 2.1m [7 ft] above the floor in regularly occupied spaces:”


Amendment
Type: Amendment
Post Date: 06 May, 2016

In Part 1a, change “Interior window shading or blinds that are controllable by the occupants or set on a timer” to “Interior window shading or blinds that are controllable by the occupants or set to automatically prevent glare.”


Feature 57: Low-glare workstation design

Type Description
Intent
Type: Intent
Post Date: 24 Oct, 2016

In the Feature description, remove the second paragraph. Replace with the following text:
'Intent: To minimize visual discomfort by situating computer monitors in a way that avoids glare and luminance contrast.'


Alternative Adherence Path
Type: Alternative Adherence Path
Post Date: 06 May, 2016

Monitors with adjustable monitor arms that allow the occupant to move the computer screens to face within a 20 degree perpendicular to the plane of the nearest window may be used to meet the requirements of Part 1a (Glare Avoidance).


Alternative Adherence Path
Type: Alternative Adherence Path
Post Date: 06 May, 2016

Inquiry: Can “free address” workstations, allowing occupants to change workstations to avoid glare, be used to meet the feature requirements?

Ruling: No, free address workstations may not be used to meet the feature requirements.


Amendment
Type: Amendment
Post Date: 10 Feb, 2016

In Part 1a, change the first part of the first sentence from “To minimize glare cause by incoming sunlight, all computer screens for at desks” to "To minimize glare caused by incoming sunlight, all computer screens at desks"


Feature 58: Color quality

Type Description
Amendment
Type: Amendment
Post Date: 01 May, 2019

To accurately portray colors in the space and enhance occupant comfort, all electric lights in occupiable spaces (except decorative fixtures, emergency lights and other special-purpose lighting) meet the following conditions:


Amendment
Type: Amendment
Post Date: 07 Jun, 2018

In 20 Oct, 2017 AAP, remove: "regularly occupied". Add: "all other"


Alternative Adherence Path
Type: Alternative Adherence Path
Post Date: 20 Oct, 2017

In transient areas, light sources with CRI of 80 and R9 of 15 may be used. Light sources used in regularly occupied areas must meet the requirements of Feature 58 as written.


Intent
Type: Intent
Post Date: 24 Oct, 2016

In the Feature description, remove the second paragraph. Replace with the following text:
'Intent: To enhance spatial aesthetics and color differentiation through the use of lamps with quality color rendering abilities.'


Feature 59: Surface design

Type Description
Alternative Adherence Path
Type: Alternative Adherence Path
Post Date: 01 May, 2019

Multi-Family Residential projects may achieve Feature 59 Part 2 and 3 by providing multi-level dimmable lighting for all ambient lighting in bedrooms and living areas. In addition, shades must be provided in both the bedroom and living areas, as follows:
1. Bedrooms must have blackout shades.
2. Living areas must have adjustable shading devices (e.g., Venetian blinds) to accommodate multiple types of activies.


Amendment
Type: Amendment
Post Date: 05 Feb, 2018

For Part 1b, remove: "Walls". Add: "Vertical surfaces"


Intent
Type: Intent
Post Date: 24 Oct, 2016

In the Feature description, remove the second paragraph. Replace with the following text:
'Intent: To increase overall room brightness through reflected light from room surfaces and avoiding glare.'


Feature 60: Automated shading and dimming controls

Type Description
Intent
Type: Intent
Post Date: 24 Oct, 2016

In the Feature description, remove the second paragraph. Replace with the following text:
'Intent: To prevent glare and encourage reliance on natural light through automated shading and dimming.'


Amendment
Type: Amendment
Post Date: 06 May, 2016

In Part 1a, change “Shading devices that automatically engage when light sensors indicate that sunlight could contribute to glare at workstations” to “Shading devices that automatically engage when light sensors indicate that sunlight could contribute to glare at workstations and other seating areas.”


Verification type
Type: Verification type
Post Date: 10 Feb, 2016

Add MEP Letters of Assurance as required documentation, remove Architect Letters of Assurance.


Feature 61: Right to light

Type Description
Intent
Type: Intent
Post Date: 24 Oct, 2016

In the Feature description, remove the second paragraph. Replace with the following text:
'Intent: To promote exposure to daylight and views of varying distances by limiting the distance workstations can be from a window or atrium.'


Alternative Adherence Path
Type: Alternative Adherence Path
Post Date: 06 May, 2016

Inquiry: Can a daylighting analysis confirming that at least 90% of regularly occupied spaces have sufficient daylight illumination levels (at least 30 footcandles) and that 100% of spaces have access to quality outdoor views be used to meet the feature requirements?

Ruling: No, a daylighting simulation combined with access to quality views may not be utilized to meet the feature requirements. The intent of Feature 61 is to include proximity to windows, outdoor views, and daylight in indoor spaces.


Amendment
Type: Amendment
Post Date: 06 May, 2016

In Part 2a, change “75% of all desks or regularly occupied seats…” to “75% of all workstations…”


Amendment
Type: Amendment
Post Date: 06 May, 2016

In Part 2b, change “95% of all desks or regularly occupied seats…” to “95% of all workstations…”


Feature 62: Daylight modeling

Type Description
Amendment
Type: Amendment
Post Date: 01 May, 2019

Spatial daylight autonomy (sDA300,50%) is achieved for at least 55% of regularly occupied space. In other words, at least 55% of the space receives at least 300 lux [28 fc] of sunlight daylight for at least 50% of operating hours each year.


Alternative Adherence Path
Type: Alternative Adherence Path
Post Date: 15 Aug, 2018

Projects may meet the requirements of Feature 62 Part 1b by using the results of daylight modeling to identify and install shading systems to allow the appropriate amount of light into the space. Note that the daylight modeling report submitted must take into account the shades to calculate the light levels in the space during the course of the day.


Amendment
Type: Amendment
Post Date: 07 Jun, 2018

In 24 Oct, 2016 AAP, add: "(Option 2 or Option 3)" after "Daylight Credit"


Amendment
Type: Amendment
Post Date: 07 Jun, 2018

In 24 Oct, 2016 AAP, add: ", at least" before "2 points"


Amendment
Type: Amendment
Post Date: 07 Jun, 2018

In 24 Oct, 2016 AAP, add: "for Option 2 or 75% for Option 3" after "90%"


Alternative Adherence Path
Type: Alternative Adherence Path
Post Date: 24 Oct, 2016

As an alternative to a lighting simulation to determine the sDA of the space, project teams may use the LEED v4 BD+C EQ Daylight Credit (Option 2 or Option 3) requirements to fulfill the requirement. The provided lighting analysis document must be updated to demonstrate that 90% for Option 2 or 75% for Option 3 of the regularly occupied floor area meets the requirements (i.e., at least 2 points under LEED v4 BD+C EQ Daylight credit).


Intent
Type: Intent
Post Date: 24 Oct, 2016

In the Feature description, remove the second paragraph. Replace with the following text:
Intent: 'To support circadian and psychological health by setting thresholds for indoor sunlight exposure.'


Feature 63: Daylight modeling

Type Description
Alternative Adherence Path
Type: Alternative Adherence Path
Post Date: 01 May, 2019

To meet Feature 62 Part 1, Daylight Modeling, complete the following:
-Meet Feature 56- Solar Glare control
-Achieve sDA300/50% for at least 55% of area, basing calculations on daylight hours (instead of regularly occupied hours) as outlined in CEN 17037:2018, Annex A