This is a legacy version of the WELL Building Standard. Please check the latest version here.

Feature 33: Agricultural contaminants

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 limit the presence of agricultural contaminants in drinking water.'


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
Intent
Type: Intent
Post Date: 24 Oct, 2016

In the Feature description, remove the second paragraph. Replace with the following text:
'Intent: To limit the presence of certain disinfectants, disinfection byproducts and fluoride in drinking water.'


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:


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:


Feature 35: Periodic water quality testing

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 maintain high quality water through regular water quality monitoring and remediation.'


Interpretation
Type: Interpretation
Post Date: 24 Oct, 2016
Inquiry: Feature 35 (Periodic Water Quality Testing) Part 1 (Quarterly Testing) requires the project team to test for metals/metalloids on a quarterly basis. How should this testing be conducted?
Ruling: Testing procedures must follow the testing protocol outlined in the WELL Performance Verification Guidebook for Feature 31 (Inorganic Contaminants). If possible, sample points that have not been selected in the previous three quarters should be used.

Feature 36: Water treatment

Type Description
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"


Intent
Type: Intent
Post Date: 24 Oct, 2016

In the Feature description, remove the second paragraph. Replace with the following text:
'Intent: To improve water quality by requiring the use of water treatment systems.'


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."


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"


Feature 37: Drinking water promotion

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

For regularly occupied spaces that are not within 30 meters (100 feet) of a drinking water station, pitchers of filtered water and glasses may be provided that are monitored and refilled through the day. The Operations Schedule for the project must include information regarding the provision (location and quantities) of water and the monitoring and refilling of pitchers if this strategy is used.


Intent
Type: Intent
Post Date: 24 Oct, 2016

In the Feature description, remove the second paragraph. Replace with the following text:
'Intent: To promote the consumption of water by making high quality drinking water easily accessible to occupants.'


Feature 38: Fruits and vegetables

Type Description
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"


Intent
Type: Intent
Post Date: 24 Oct, 2016

In the Feature description, remove the second paragraph. Replace with the following text:
'Intent: To promote the consumption of fruits and vegetables by making fruits and vegetables easily accessible to occupants.'


Feature 39: Processed foods

Type Description
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"


Intent
Type: Intent
Post Date: 24 Oct, 2016

In the Feature description, remove the second paragraph. Replace with the following text:
'Intent: To help occupants avoid highly-processed ingredients and foods.'


Feature 40: Food allergies

Type Description
Equivalency
Type: Equivalency
Post Date: 21 Aug, 2017

The definition of gluten by Food Safety and Standards Authority of India's (FSSAI) 'Standards for gluten free food and low gluten food and their labelling requirements' may be used.


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"


Equivalency
Type: Equivalency
Post Date: 17 Jan, 2017

The Hong Kong Food and Drugs Composition and Labeling Regulations may be used to partially comply with requirements of Feature 40. The project will need to label all foods (rather than only cereals) that contain gluten in order to comply with WELL. Note that projects must still submit all applicable documentation to comply with these Features, and will also be subject to a spot check or visual inspection during the Performance Verification to verify compliance.


Equivalency
Type: Equivalency
Post Date: 17 Jan, 2017

The Hong Kong Food and Drugs Composition and Labeling Regulations may be used to partially comply with F40.
Note that projects must label all foods (rather than only cereals) that contain gluten in order to fully comply with WELL. Projects must still submit all applicable documentation to comply with these Features, and will also be subject to a spot check or visual inspection during the Performance Verification to verify compliance.


Equivalency
Type: Equivalency
Post Date: 24 Oct, 2016

The EU Regulation No 1169/2011 is an acceptable alternative to the requirements of Feature 40. Note that projects must still submit all applicable documentation to comply with these Features, and will also be subject to a spot check or visual inspection during the Performance Verification to verify compliance.


Intent
Type: Intent
Post Date: 24 Oct, 2016

In the Feature description, remove the second paragraph. Replace with the following text:
'Intent: To help occupants avoid potential food allergens.'


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."


Intent
Type: Intent
Post Date: 24 Oct, 2016

In the Feature description, remove the second paragraph. Replace with the following text:
'Intent: To reduce pathogen transmission by providing accessible and sanitary hand washing facilities.'


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"


Intent
Type: Intent
Post Date: 24 Oct, 2016

In the Feature description, remove the second paragraph. Replace with the following text:
'Intent: To minimize occupant exposure to food-borne pathogens by providing safe food storage.'


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

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


Feature 43: Artificial ingredients

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

The EU Regulation No 1169/2011 may be used to comply with the requirements of Feature 43 regarding labeling for artificial colors, flavors and sweeteners. Note that projects must still submit all applicable documentation to comply with these Features, and will also be subject to a spot check or visual inspection during the Performance Verification to verify compliance.


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"


Equivalency
Type: Equivalency
Post Date: 17 Jan, 2017

The Hong Kong Food and Drugs Composition and Labeling Regulations may be used to partially comply with F43.
Note that projects must label monosodium glutamate (MSG), hydrolyzed vegetable protein (HVP), butylated hydroxyanisole (BHA), sodium nitrate and sodium nitrite, and butylated hydroxytoluene (BHT), (rather than only listing ingredients as flavors or preservatives), in order to comply with WELL. Projects must still submit all applicable documentation to comply with these Features, and will also be subject to a spot check or visual inspection during the Performance Verification to verify compliance.


Equivalency
Type: Equivalency
Post Date: 17 Jan, 2017

The Hong Kong Food and Drugs Composition and Labeling Regulations may be used to partially comply with requirements of Feature 43. The project must label monosodium glutamate (MSG), hydrolyzed vegetable protein (HVP), butylated hydroxyanisole (BHA), sodium nitrate and sodium nitrite, and butylated hydroxytoluene (BHT), (rather than only listing ingredients as flavors or preservatives), in order to comply with WELL. Note that projects must still submit all applicable documentation to comply with these Features, and will also be subject to a spot check or visual inspection during the Performance Verification to verify compliance.


Equivalency
Type: Equivalency
Post Date: 17 Jan, 2017

The China Standards ‘General Rules for Pre-packaged Food Labeling’ (GB7718--2011) and ‘Standard for the Use of Food Additives’ (GB2760-2014) have been approved as acceptable alternatives for F43.
Note that projects must provide signage that clearly indicates: "The following additives have not been evaluated - brominated vegetable oil, potassium bromate, monosodium glutamate (MSG), hydrolyzed vegetable protein (HVP), and sulfite.”


Intent
Type: Intent
Post Date: 24 Oct, 2016

In the Feature description, remove the second paragraph. Replace with the following text:
'Intent: To help occupants avoid artificial colors, sweeteners and preservatives in food.'


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

For projects located in India, the requirements for Feature 43 may be met by providing labeling for all high-shelf life packaged foods in addition to freshly prepared food items offered on-site. Foods must be labeled with the additives outlined by the Food Safety and Standards Authority of India (FSSAI). Up to 30% of the low-shelf life packages goods prepared off site may be exempted from artificial substance labeling, but must include clear signage that they have not been evaluated for artificial ingredients or food additives. The latest version of the FSSAI regulation must be made available to building users upon request.


Feature 44: Nutritional information

Type Description
Equivalency
Type: Equivalency
Post Date: 21 Aug, 2017

Food Safety and Standards Authority of India's (FSSAI) 'Food Safety and standards (Packaging and Labelling) regulation, 2011' may be used to comply with the requirements of Feature 44 Part 1. Projects must still submit all applicable documentation to comply with this feature, and will also be subject to a spot check or visual inspection during the Performance Verification to verify compliance.


Amendment
Type: Amendment
Post Date: 26 Jul, 2017

Remove: "c. Micronutrient content (vitamins A and C, calcium and iron) in weight or international units (IU) and/or as a percent of the estimated daily requirements (daily values)" . Remove: "d. ...content" , Add: "c. ...content"


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Remove: "For foods and beverages sold or distributed on a daily basis on the premises by (or under contract with) the project owner, the following are displayed (per meal or item) on packaging, menus or signage". Add: "For foods and beverages sold or provided on a daily basis on the premises by (or under contract with) the project owner, the following are displayed (per meal or item) on packaging, menus or signage"


Amendment
Type: Amendment
Post Date: 24 Oct, 2016

Under 1b, the reference to the FDA is now removed. 1b now reads "Macronutrient (total protein, total fat and total carbohydrate) in weight and as a percent of estimated daily requirements (Daily Values)."


Equivalency
Type: Equivalency
Post Date: 24 Oct, 2016

The EU Regulation No 1169/2011 is an acceptable alternative to the requirements of Feature 44. Note that projects must still submit all applicable documentation to comply with these Features, and will also be subject to a spot check or visual inspection during the Performance Verification to verify compliance.


Intent
Type: Intent
Post Date: 24 Oct, 2016

In the Feature description, remove the second paragraph. Replace with the following text:
'Intent: To help occupants make informed food consumption choices.'


Feature 43: Nutritional information

Type Description
Alternative Adherence Path
Type: Alternative Adherence Path
Post Date: 26 Jul, 2017

For projects that prepare foods on site from raw ingredients, which are not able to comply with the requirements of Part 1, the project may offer point-of-decision prompts in lieu of labeling. The prompts must be based on a ranking system that encourages the consumption of nutritionally-dense foods. Food prompts must be clearly displayed and must be used in conjunction with a food advertising and/or messaging campaign​ that allows individuals to quickly and easily identify nutritious foods and beverages​. An explanation of the ranking system must be made available to all occupants.

Project teams which seek to use this strategy must have their prompts and ranking system approved by the WELL Assessor​​.​ All strategies should comply with best practices and/or dietary guidelines and be supported by existing scientific, medical, or industry research.​ Please note that all foods offered will still need to comply with Feature 39 Processed foods.


Feature 45: Food advertising

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

In part heading, Remove: "intended to achieve each of the following requirements". Add "intended to achieve either or both of the following requirements"


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Remove: ", beverages and snacks". Add: "and beverages"


Intent
Type: Intent
Post Date: 24 Oct, 2016

In the Feature description, remove the second paragraph. Replace with the following text:
'Intent: To promote healthy food consumption choices.'


Feature 46: Safe food preparation materials

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 reduce occupant exposure to harmful contaminants that may originate from food preparation materials and eliminate surfaces that harbor pathogens.'


Feature 47: Serving sizes

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

Under intent, add: "and encourage portion control", after "overconsumption"


Amendment
Type: Amendment
Post Date: 26 Jul, 2017

For Part 1a, remove "calories" after "650". Add: "kcal [650 Cal]".


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Remove: "Where food sold or distributed on a daily basis by (or under contract with) the project owner is prepared to order, for at least half of all avilable entrees, the following option is available and listed on the menu". Add: "Where food is sold or provided on a daily basis by (or under contract with) the project owner and is prepared to order, the following is available and listed on the menu for at least half of all available main course options"


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Remove: "entrée". Add: "main course"


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Remove: "Dinnerware sizes". Add: "Dishware"


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Remove: "Where food sold or distributed on a daily basis on the premises by (or under contract with) the project owner is self-serve and requires the use of serving plate, bowl, or cup, each of the following is met (as applicable)". Add: "Where food is sold or provided on a daily basis on the premises by (or under contract with) the project owner is self-serve and requires the use of serving plate, bowl, or cup, each of the following is met (as applicable)"


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Remove: "24 cm [9.5 in]". Add: "25 cm [10 in]"


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Remove: "452 cm² [70 in²]". Add: "507 cm² [79 in²]"


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Remove: "296 mL [10 oz]". Add: "473 mL [16 oz]"


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Remove: "240 mL [8 oz]". Add "473 mL [16 oz]"


Intent
Type: Intent
Post Date: 24 Oct, 2016

In the Feature description, remove the second paragraph. Replace with the following text:
'Intent: To reduce unintended overconsumption.'


Feature 48: Special diets

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

Remove: ", in compliance with the definitions and restrictions set forth by the FDA in 21 C.F.R.§ 101.92"


Intent
Type: Intent
Post Date: 24 Oct, 2016

In the Feature description, remove the second paragraph. Replace with the following text:
'Intent: To provide alternative food choices to individuals with food restrictions or allergies.'


Feature 49: Responsible food production

Type Description
Equivalency
Type: Equivalency
Post Date: 21 Aug, 2017

India Organic' certification by the APEDA (Agricultural and Processed Products Export Development Authority) as per the National Programme for Organic Production (NPOP) standards has been deemed acceptable for Feature 49 Part 1


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Remove: "(based on country)


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Remove: "If meat, egg or dairy products are sold or distributed on the premises on a daily basis by (or under contract with) the project owner, they meet the following criteria for the humane treatment of livestock". Add: ""If meat, egg or dairy products are sold or provided on the premises on a daily basis by (or under contract with) the project owner, they meet the following criteria for the humane treatment of livestock"


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Remove:"(based on the country)". Add: "or equivalent"


Amendment
Type: Amendment
Post Date: 27 Apr, 2017

Remove: "Produce is sold or distributed on the premises on a daily basis by (or under contract with) the project owner and it meets the following criteria". Add: "Produce is sold or provided on the premises on a daily basis by (or under contract with) the project owner that meets the following criteria"


Intent
Type: Intent
Post Date: 24 Oct, 2016

In the Feature description, remove the second paragraph. Replace with the following text:
'Intent: To reduce occupant exposure to pesticides or hormones, limit environmental degradation and promote humane livestock practices.'


Amendment
Type: Amendment
Post Date: 06 May, 2016

Change “All meat egg and dairy products sold or distributed on the premises on a daily basis by (or under contract with) the project owner meet the following criteria…” to “If meat, egg or dairy products are sold or distributed on the premises on a daily basis by (or under contract with) the project owner, they meet the following criteria…”


Amendment
Type: Amendment
Post Date: 06 May, 2016

Change “All produce sold or distributed on the premises on a daily basis by (or under contract with) the project owner meets the following criteria:” to “Produce is sold or distributed on the premises on a daily basis by (or under contract with) the project owner and it meets the following criteria:”


Feature 50: Food storage

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 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: 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: 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"


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"