WELL Addenda

WELL ADDENDA

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

Feature 15: Increased ventilation

Type Description
Amendment
Type: Amendment
Post Date: 06 May, 2016

In Part 1a, change “Exceed ASHRAE fresh air supply rates…” to “Exceed ASHRAE outdoor air supply rates…”


Feature 16: Humidity control

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

In part description, remove: "locker rooms". Add: "changing rooms"


Feature 17: Direct source ventilation

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

All cleaning and chemical storage units, all bathrooms and all rooms that contain printers and copiers (except those meeting the low-emission criteria of Ecologo CCD 035, Blue Angel RAL-UZ 171, Blue Angel RAL-UZ 205 or Green Star) meet the following conditions:


Amendment
Type: Amendment
Post Date: 01 Feb, 2019

Are closed from adjacent spaces, such as by using with self-closing doors.


Amendment
Type: Amendment
Post Date: 05 Feb, 2018

In part title, remove: "Locker Rooms". Add: "Changing Rooms". In part description, remove: "Locker rooms". Add: "Changing rooms"


Amendment
Type: Amendment
Post Date: 17 Jan, 2017

Under Part 1, change the beginning of the first line to 'All cleaning and chemical storage units, all bathrooms and all rooms that contain printers and copiers…"


Feature 18: Air quality monitoring and feedback

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

Real-time displays of the following indoor environmental parameters are made available per 930 m² [10,000 ft²] of regularly occupied space on a screen no smaller than 15 cm [5.9 inches] by 13 cm [5.1 inches]:


Amendment
Type: Amendment
Post Date: 05 Feb, 2018

For Part 2a, remove: "the Air Quality Standards feature". Add: "Part 1: Indoor Air Monitoring"


Amendment
Type: Amendment
Post Date: 20 Oct, 2017

In 06 May, 2016 AAP, remove: "In projects with strict data privacy requirements, the". Add: "The"


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Add: "(measured at 1.2-1.8 m [4-6 ft] above the floor)" after "once an hour"


Amendment
Type: Amendment
Post Date: 06 May, 2016

In Part 1 description, change “Monitors measure 2 of the following pollutants in a regularly occupied space…” to “Monitors measure 2 of the following pollutants in a regularly occupied or common space…”


Feature 19: Operable windows

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

If the outdoor air measurement system indicates that outdoor air either (i) exceeds ozone levels of 51 ppb or PM₁₀ levels of 50 μg/m³; (ii) has a temperature of 8 °C [15 °F] above or below set indoor temperature; or (iii) has a relative humidity above 60% and the temperature is above the indoor set temperature, then one of the following is used to discourage occupants from opening windows:


Amendment
Type: Amendment
Post Date: 01 Nov, 2018

In 27 Apr, 2017 AAP, remove: "tenant space" after "a. Must be directly accessible from the". Add: "project"


Amendment
Type: Amendment
Post Date: 01 Nov, 2018

In 27 Apr, 2017 AAP, remove: "be able to accommodate" after "b. Must". Add: "have seating for"


Amendment
Type: Amendment
Post Date: 06 May, 2016

Change “Every regularly occupied space has operable windows that provide access to fresh air…” to “Every regularly occupied space has operable windows that provide access to outdoor air…”


Feature 20: Outdoor air systems

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

For Part 1, remove: "Dedicated outdoor air systems are used for heating and/or cooling systems". Add: "Dedicated outdoor air systems are used for ventilation"


Amendment
Type: Amendment
Post Date: 26 Jul, 2017

For Part 1b, remove: "all applicable ASHRAE standards and codes". Add: "ventilation standards used in Feature 03 Ventilation effectiveness"


Feature 21: Displacement ventilation

Type Description
Amendment
Type: Amendment
Post Date: 06 May, 2016

Replace “One of the following is met for projects implementing a displacement ventilation system for heading and/or cooling:” with “Projects implement a displacement ventilation system for heating and/or cooling in which one of the following is met:”


Feature 22: Pest control

Type Description
Amendment
Type: Amendment
Post Date: 15 Aug, 2018

For Part 1c, add: "(except paper recycling bins)" after "cans"


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Remove: "Inspections". Add: "Visual inspections during performance verification"


Amendment
Type: Amendment
Post Date: 10 Feb, 2016

In introduction language, remove "and furniture be covered in washable covers" from the last sentence in the second paragraph. The last sentence becomes: "To minimize allergenic pests, this feature requires that pest inspections be conducted regularly and food be stored and sealed."


Feature 23: Advanced air purification

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

For Part 1a, add: "or combination particulate/carbon filters" after "Activated carbon filters"


Feature 24: Combustion minimization

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

In part description, remove: "(whether primary or back-up) must meet" after "...heating or power generation". Add: "(including back-up if used more than 200 hours per year) meets"


Amendment
Type: Amendment
Post Date: 20 Oct, 2017

Add: "for construction occurring within one year prior to Performance Verification:" after "...the following requirements are met"


Feature 25: Toxic material reduction

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

d. Sound Duct, pipe, acoustic and thermal insulation.


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Remove: "(Please refer to Table A3 for additional details.)"


Amendment
Type: Amendment
Post Date: 24 Oct, 2016

To the last line of the first paragraph of the feature description, add: "All parts of this feature only apply to materials installed inside the weather proofing membrane of a project. (Please refer to Table A3 for additional details)"


Feature 26: Enhanced material safety

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

Have a Cradle to Cradle™ Material Health Certified with a V2 Gold or Platinum or V3 Bronze, Silver, Gold or Platinum Material Health Score. Are Cradle to Cradle Certified™ products with a Bronze, Silver, Gold or Platinum level in the Material Health category or products with a Bronze, Silver, Gold or Platinum level Material Health Certificate from the Cradle to Cradle Products Innovation Institute.


Amendment
Type: Amendment
Post Date: 20 Oct, 2017

Remove: “products by cost (including furnishings, built-in furniture, all interior finishes and finish materials”. Add: “all furnishings, built-in furniture, interior finishes, and finish materials (calculated by cost)"


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Remove: "At least one of the following requirements is met". Add: "At least 25% of products by cost (including furnishings, built-in furniture, all interior finishes and finish materials) meet one or more of the following requirements"


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Remove: "The project completes all Imperatives in the Materials Petal under the Living Building Challenge 3.0". Add: "Have a Declare: Living Building Challenge Red List Free, Declare: Living Building Challenge Compliant, or Living Product Challenge label"


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Remove: "At least 25% of products by cost (including furnishings, built-in furniture, all interior finishes and finish materials) are Cradle to Cradle™ Material Health Certified with a V2 Gold or Platinum or V3 Bronze, Silver, Gold or Platinum Material Health Score". Add: "Have a Cradle to Cradle™ Material Health Certified with a V2 Gold or Platinum or V3 Bronze, Silver, Gold or Platinum Material Health Score."


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Remove: "At least 25% of products by cost (including furnishings, built-in furniture, all interior finishes and finish materials) have no GreenScreen® Benchmark 1, List Translator 1 or List Translator Possible 1 substances over 1,000 ppm, as verified by a qualified Ph.D. toxicologist or Certified Industrial Hygienist". Add: "Have no GreenScreen® Benchmark 1, List Translator 1 or List Translator Possible 1 substances over 1,000 ppm, as verified by a qualified Ph.D. toxicologist or Certified Industrial Hygienist"


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Remove: "At least 25% of products by cost (including furnishings, built-in furniture, all interior finishes and finish materials) meet some combination of the certifications described in requirements b and c".


Feature 27: Antimicrobial activity for surfaces

Type Description
Amendment
Type: Amendment
Post Date: 31 Aug, 2020

Coated with or comprised of a material that is abrasion-resistant, non-leaching and meets EPA testing requirements for antimicrobial activity.


Amendment
Type: Amendment
Post Date: 05 Feb, 2018

In part title, remove: "Locker Room". Add: "Changing Room". In part description, remove: "locker rooms". Add: "changing rooms"


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Remove: "that has an output of at least 4 mW/cm²" after "UV cleaning device"


Feature 28: Cleanable environment

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

In part title, remove: "Locker Rooms". Add: "Changing Rooms". In part description, remove: "locker rooms". Add: "changing rooms"


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Remove: "Free of sharp internal angles, corners and crevices". Add: "Free of crevices and other hard-to-reach places"


Feature 29: Cleaning equipment

Type Description
Amendment
Type: Amendment
Post Date: 10 Feb, 2016

Remove Part 1b. Update part lettering by changing “c. Mops do not have to be wrung by hand.” to “b. Mops do not have to be wrung by hand”, and changing "d. Vacuum cleaners contain filters with a HEPA rating." to "c. Vacuum cleaners contain filters with a HEPA rating."


Feature 30: Fundamental water quality

Type Description
Amendment
Type: Amendment
Post Date: 06 May, 2016

In Part 1, change “Turbidity of the water sample is less than 0.3 NTU” to “Turbidity of the water sample is less than 1.0 NTU”.


Feature 31: Inorganic contaminants

Type Description
Amendment
Type: Amendment
Post Date: 06 May, 2016

Change “All water being delivered to the project area for human consumption meets the following limits:” to “All water being delivered to the project area for human consumption (at least one water dispenser per project) meets the following limits:


Feature 32: Organic contaminants

Type Description
Amendment
Type: Amendment
Post Date: 06 May, 2016

Change “All water being delivered to the project area for human consumption meets the following limits:” to “All water being delivered to the project area for human consumption (at least one water dispenser per project) meets the following limits:


Feature 33: Agricultural contaminants

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

For Part 2a, remove: "10 mg/L as nitrogen". Add "11 mg/L as nitrogen"


Amendment
Type: Amendment
Post Date: 26 Jul, 2017

Remove "Nitrate less than 10 mg/L nitrogen". Add "Nitrate less than 50 mg/L (10 mg/L as nitrogen)"


Amendment
Type: Amendment
Post Date: 06 May, 2016

Change “All water being delivered to the project area for human consumption meets the following limits:” to “All water being delivered to the project area for human consumption (at least one water dispenser per project) meets the following limits:


Feature 34: Public water additives

Type Description
Amendment
Type: Amendment
Post Date: 31 Jul, 2019

a. ResidualTotal chlorine less than 0.64 mg/L.
b. Residual cChloramine less than 4 mg/L.


Amendment
Type: Amendment
Post Date: 01 Nov, 2018

In part description, remove: "and showers/baths" after "…(at least one water dispenser per project)"


Amendment
Type: Amendment
Post Date: 06 May, 2016

Change “All water being delivered to the project area for human consumption or showers/baths meets the following limits:” to “All water being delivered to the project area for human consumption (at least one water dispenser per project) and showers/baths meets the following limits:


Amendment
Type: Amendment
Post Date: 06 May, 2016

Change “All water being delivered to the project area for human consumption meets the following limits:” to “All water being delivered to the project area for human consumption (at least one water dispenser per project) meets the following limits:


Feature 35: Periodic water quality testing

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

For Part 2a, remove: "water quality parameters listed in the WELL Building Standard". Add: ", at minimum, water quality parameters listed in Feature 35 Part 1 of the WELL Building Standard"


Feature 38: Water treatment

Type Description
Amendment
Type: Amendment
Post Date: 31 Aug, 2020

b. Filter rated to remove suspended solids with pore size 1.5 µm or lesstested with standard NSF 42 or EN 13443-2.


Feature 36: Water treatment

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

For Part 3, remove: "to remove microbial cysts". Add: "to remove or reduce microbial cysts"


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Remove: "or showers/baths"


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Remove: "or showers/baths"


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Remove: "or showers/baths"


Amendment
Type: Amendment
Post Date: 10 Feb, 2016

In Part 3b, remove "NSF filter rated to remove" and replace with "Filter rated by the NSF to remove"


Amendment
Type: Amendment
Post Date: 10 Feb, 2016

In Part 2a, remove "Filter rated to remove suspended solids." And replace with "Filter rated to remove suspended solids with pore size 1.5 µm or less."


Feature 38: Fruits and vegetables

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

For Part 1b, add: "(containing no added sugar)" after "...options are fruits"


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Remove: "If solid foods are sold or distributed" before "on a daily basis". Add: "If foods are sold or provided"


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Remove: "Salad bar or a similar salad-providing section which is positioned away from the walls, allowing 360° access". Add: "Salad bar or similar salad-providing section, positioned in a visible and accessible location"


Feature 39: Processed foods

Type Description
Amendment
Type: Amendment
Post Date: 31 Jul, 2019

All foods, and beverages, snacks and meals sold or provided on a daily basis on the premises by (or under contract with) the project owner, including in vending machines, meet the following conditions:


Amendment
Type: Amendment
Post Date: 31 Jul, 2019

All foods, and beverages, snacks and meals sold or provided on a daily basis on the premises by (or under contract with) the project owner, including in vending machines, do not contain:


Amendment
Type: Amendment
Post Date: 01 May, 2019

In at least 50% of food offerings where a grain flour is the primary ingredient by weightgrain-based foods, a whole grain must be is the primary first ingredient.


Amendment
Type: Amendment
Post Date: 01 Nov, 2018

For Part 6c, remove: "In any foods that contain a grain flour, whole grain is the primary ingredient by weight". Add: "In at least 50% of food offerings where a grain flour is the primary ingredient by weight, a whole grain must be the primary ingredient"


Amendment
Type: Amendment
Post Date: 01 Nov, 2018

For Part 6e, remove: "No individually sold, single-serving, non-beverage food item contains more than 30 g of sugar". Add: "No non-beverage food item contains more than 30 g of sugar per serving"


Amendment
Type: Amendment
Post Date: 01 Nov, 2018

For Part 6b, remove: "food and snack items offered". Add: "foods"


Amendment
Type: Amendment
Post Date: 07 Jun, 2018

For Part 4b, remove: "elementary and up to 360 mL [12 oz] portions for middle school students". Add: "early education and up to 360 mL [12 oz] portions for primary school students"


Amendment
Type: Amendment
Post Date: 05 Feb, 2018

In part description, remove: "high school students". Add: "secondary school students"


Amendment
Type: Amendment
Post Date: 05 Feb, 2018

In part title, remove: "Elementary and Middle School". Add: "Early Education and Primary School"


Amendment
Type: Amendment
Post Date: 05 Feb, 2018

In part description, remove: "elementary and middle school students". Add: "early education and primary school students"


Amendment
Type: Amendment
Post Date: 05 Feb, 2018

In part title, remove: "High School". Add: "Secondary School"


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Remove: "All foods, beverages, snacks and meals sold or distributed on a daily basis on the premises by (or under contract with) the project owner meet the following conditions". Add: "All foods, beverages, snacks and meals sold or provided on a daily basis on the premises by (or under contract with) the project owner, including in vending machines, meet the following conditions"


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Remove: "No beverage with more than 30 grams of sugar per container is sold or distributed through catering services, vending machines, or pantries. Bulk containers of 1.9 L (2 quart) or larger are exempt from this requirement". Add: "Beverages do not contain more than 30 g of sugar per container. Bulk containers of 1.9 L (2 quart) or larger are exempt from this requirement"


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Remove: "In beverage vending machines and on food service menus, at least 50% of slots or listings are products that have 15 g of sugar or less per 240 mL [8 oz] serving". Add: "At least 50% of beverages have 1 g of sugar or less per 16 mL [1.87 g of sugar or less per 1 oz]"


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Remove: "No individually sold, single-serving, non-beverage food item contains more than 30 g of sugar". Add: "No non-beverage food item contains more than 30 g of sugar per serving"


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Remove: "In any foods" before "where a grain flour". Add: "In 50% of food offerings"


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Remove: "All foods, beverages, snacks and meals sold or distributed on a daily basis on the premises by (or under contract with) the project owner do not contain". Add: "All foods, beverages, snacks and meals sold or provided on a daily basis on the premises by (or under contract with) the project owner, including in vending machines, do not contain"


Feature 40: Food allergies

Type Description
Amendment
Type: Amendment
Post Date: 31 Jul, 2019

All foods and beverages sold or provided on a daily basis on the premises by (or under contract with) the project owner are clearly labeled on packaging, menus, signage, or electronic media to indicate if they contain the following allergens:


Amendment
Type: Amendment
Post Date: 01 Feb, 2019

Post Date: 15 Aug, 2018
Status: Approved
For Feature 40 Part 1, in lieu of allergen labelling, projects may have food allergen experts on their staff. All kitchen, cafeteria, or similar staff should have the option to participate in allergen training at no cost and at least one trained staff member must be present at all shifts. In addition, point-of-decision signage must be present to prompt individuals to report any potential allergies to staff. As part of the Documentation Review, projects should provide an example certificate of completion for staff members who have completed the food allergy training. Signage is subject to a spot check during performance review.


Amendment
Type: Amendment
Post Date: 01 Nov, 2018

In 24 Oct, 2016 EP, remove: "these Features" after "…applicable documentation to comply with". Add: "this Feature"


Amendment
Type: Amendment
Post Date: 01 Nov, 2018

In 24 Oct, 2016 EP, add: "Freshly prepared food also needs to comply with the labelling requirements." after "…Performance Verification to verify compliance."


Amendment
Type: Amendment
Post Date: 05 Feb, 2018

For Part 1i, remove: "Gluten, in compliance with the definitions and restrictions set forth by the FDA in 21 C.F.R. § 101.91". Add: "Gluten"


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Remove: "All food sold or distributed on a daily basis on the premises by (or under contract with) the project owner are clearly labeled to indicate if they contain the following allergens". Add: "All foods sold or provided on a daily basis on the premises by (or under contract with) the project owner are clearly labeled on packaging, menus, signage, or electronic media to indicate if they contain the following allergens"


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Add: "consumption of or contact with" after "to help occupants avoid"


Feature 41: Hand washing

Type Description
Amendment
Type: Amendment
Post Date: 26 Jul, 2017

Add: " One of" before "the following"
Add: "b. Bar soap with a soap rack that allows for drainage"


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Remove: "Fragrance-free non-antibacterial soap" Add: "Fragrance-free hand soap in accordance with the Cleaning, Disinfection and Hand Hygiene Product section in Table A4 in Appendix C"


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Add: ", at a minimum," after "provided"


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Add: "The" before "sink column"


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Add: "Since liquid soap in bulk refillable dispensers is prone to bacterial contamination, utilizing sealed liquid soap cartridges reduces the possibility for bacterial contamination and significantly reduces bacteria on hands whereas contaminated refillable dispensers increase bacteria on hands after handwashing. Handwashing sinks should also provide sufficient room for washing one’s hands without touching the sink sides, to prevent possible recontamination." after "than using air dryers."


Feature 42: Food contamination

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

Add: ", fish, or poultry" after "raw meat"


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Remove: "raw foods (uncooked meat, fish and poultry)". Add: "raw meat, fish and poultry"


Feature 43: Artificial ingredients

Type Description
Amendment
Type: Amendment
Post Date: 31 Jul, 2019

All foods and beverages sold or provided on a daily basis on the premises by (or under contract with) the project owner are clearly labeled on packaging, nearby menus or signage to indicate if they contain the following:


Amendment
Type: Amendment
Post Date: 01 Nov, 2018

In 26 Jul, 2017 EP, add: "Freshly prepared food also needs to comply with the labelling requirements." after "…Performance Verification to verify compliance."


Amendment
Type: Amendment
Post Date: 01 Nov, 2018

In 26 Jul 2017 EP, remove: "these Features" after "…applicable documentation to comply with". Add: "this Feature"


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Remove: "All food sold or distributed on a daily basis on the premises by (or under contract with) the project owner are labeled to indicate if they contain the following". Add: "All foods sold or provided on a daily basis on the premises by (or under contract with) the project owner are clearly labeled on packaging, nearby menus or signage to indicate if they contain the following"


Feature 44: Artificial ingredients

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

In 24 Oct, 2016 EP, remove: "these Features" after "…applicable documentation to comply with". Add: "this Feature"


Amendment
Type: Amendment
Post Date: 01 Nov, 2018

In 24 Oct, 2016 EP, add: "Freshly prepared food also needs to comply with the labelling requirements." after "…Performance Verification to verify compliance."


Feature 44: Nutritional information

Type Description
Amendment
Type: Amendment
Post Date: 30 Oct, 2019

Macronutrient content (total protein, total fat and total carbohydrate) in weight and/or as a percent of the estimated daily requirements (daily values).


Amendment
Type: Amendment
Post Date: 15 Aug, 2018

In 26 Jul, 2017 AAP, remove: "Project teams which seek to use this strategy must have their prompts and ranking system approved by the WELL Performance Testing Agent​​​". Add: "The ranking system will be verified by the WELL Reviewer at the documentation review"