WELL Addenda
WELL ADDENDA
Review the complete list of addenda changes made to the WELL Building Standard.
Type | Description | Post Date |
---|---|---|
Equivalency |
Type: Equivalency
Post Date: 06 Jun, 2018 Building Bulletin 93 (BB93) 2015 has been approved as an acceptable method for spaces within education buildings to comply with Feature 74, Part 4 for projects in the United Kingdom. Note that Table 1 of BB93 also includes noise level limits for administration and ancillary spaces and states that “Where a type of room is not listed, the nearest approximation should be used." |
06 Jun, 2018 |
Amendment |
Type: Amendment
Post Date: 26 Jul, 2017 Remove: "6,000 m²". Add: "1,900 m²" |
26 Jul, 2017 |
Amendment |
Type: Amendment
Post Date: 26 Jul, 2017 Remove: "6,000 m²". Add: "1,900 m²" |
26 Jul, 2017 |
Equivalency |
Type: Equivalency
Post Date: 17 Jan, 2017 The Code for Design of Sound Insulation of Civil Buildings’ (B50118-2010) and ‘Environmental Quality Standard for Noise’ (GB3096-2008) have been approved an acceptable method to comply with F74. |
17 Jan, 2017 |
Intent |
Type: Intent
Post Date: 24 Oct, 2016 In the Feature description, remove the second paragraph. Replace with the following text: |
24 Oct, 2016 |
Type | Description | Post Date |
---|---|---|
Amendment |
Type: Amendment
Post Date: 01 Nov, 2018 For Part 3a, remove: ", based on the peak Leq" after "...is less than or equal to 40 dBA" |
01 Nov, 2018 |
Amendment |
Type: Amendment
Post Date: 01 Nov, 2018 For Part 6a, remove: "Classrooms: less than 35". Add: "Classrooms: maximum noise criteria (NC) of 35" |
01 Nov, 2018 |
Amendment |
Type: Amendment
Post Date: 01 Nov, 2018 For Part 7a, remove: "7 decibels over the ambient sound level measured a minimum of 15 ft [4.5 m] outside of the entrance to the space". Add: "7 decibels (dBA) above the ambient sound pressure level when measured at a minimum distance of 4.5 m [15 ft] outside of the entrance to the space" |
01 Nov, 2018 |
Equivalency |
Type: Equivalency
Post Date: 07 Jun, 2018 Building Bulletin 93 (BB93) 2015 has not been accepted as an equivalent for the requirements of Feature 75, Part 6. Specifically, the requirements are performance-based but do not specifically require compliance with a standard to which BB93 may be compared. |
07 Jun, 2018 |
Equivalency |
Type: Equivalency
Post Date: 29 May, 2018 NEN 5077:2006 has not been accepted as an alternative for the requirements of Feature 75 Part 2. Note that the requirements of Feature 75 list specific noise criteria requirements for space types whereas NEN-EN 5077:2006 takes into account an averaged sound pressure level measurement of a space but does not correlate this result to a noise criteria element specific to space type. |
29 May, 2018 |
Verification type |
Type: Verification type
Post Date: 20 Oct, 2017 In Verification Method, remove: "Letter of Assurance". Add: "Annotated Document" |
20 Oct, 2017 |
Verification type |
Type: Verification type
Post Date: 20 Oct, 2017 Remove: "Visual Inspection". Add: "Performance Test" |
20 Oct, 2017 |
Equivalency |
Type: Equivalency
Post Date: 20 Oct, 2017 NEN-EN 15251: 2007 has been accepted as an alternative for the requirements of Feature 75 Part 2. |
20 Oct, 2017 |
Amendment |
Type: Amendment
Post Date: 27 Apr, 2017 Remove: "major" after "occupants themselves can be" |
27 Apr, 2017 |
Amendment |
Type: Amendment
Post Date: 27 Apr, 2017 Remove: "To reduce acoustic disruptions and increase speech privacy by |
27 Apr, 2017 |
Amendment |
Type: Amendment
Post Date: 27 Apr, 2017 Add: "spaces and potential sources of disruption" after "the following" |
27 Apr, 2017 |
Amendment |
Type: Amendment
Post Date: 27 Apr, 2017 Remove: "d. Teleconference rooms: maximum noise criteria (NC) of 20." |
27 Apr, 2017 |
Amendment |
Type: Amendment
Post Date: 27 Apr, 2017 Add: "," after "as well as occupants themselves" |
27 Apr, 2017 |
Alternative Adherence Path |
Type: Alternative Adherence Path
Post Date: 09 Feb, 2017 Whereas Noise Criteria levels within a space is driven by sound produced by the HVAC and other mechanical systems which may be outside of a tenant’s control, New and Existing Interiors projects may achieve Feature 75 when achieving NC levels higher than listed, with the following conditions: |
09 Feb, 2017 |
Intent |
Type: Intent
Post Date: 24 Oct, 2016 In the Feature description, remove the second paragraph. Replace with the following text: |
24 Oct, 2016 |
Alternative Adherence Path |
Type: Alternative Adherence Path
Post Date: 06 May, 2016 Noise Rating curve values may be used in lieu of Noise Criterion curve values for the mechanical equipment sound levels required in Part 2 of this feature using the same maximum criteria values listed for each space type. The project team must indicate in their documentation application if Noise Rating is to be used in lieu of Noise Criterion. |
06 May, 2016 |
Amendment |
Type: Amendment
Post Date: 06 May, 2016 In Part 2a, change “Open office spaces and lobbies:” to “Open office spaces and lobbies that are regularly occupied and/or contain workstations:” |
06 May, 2016 |
Type | Description | Post Date |
---|---|---|
Equivalency |
Type: Equivalency
Post Date: 11 May, 2018 Singapore Standard SS 554:2016 has not been accepted as an equivalent for ASHRAE 55-2013 of Feature 76. SS 554 does not appear to directly address metabolic rate or clothing insulation assumptions. Further, the submitted comfort analyses do not confirm that the design criteria listed in Table 1 meet ASHRAE 55-2013 requirements because the metabolic rate assumptions are inconsistent. Lastly, SS 554 does not appear to include design requirements because the limits listed in Table 1 are classified as recommended and are only referenced relative to audits of existing environments. |
11 May, 2018 |
Amendment |
Type: Amendment
Post Date: 20 Oct, 2017 In 17 Jan, 2017 AAP, remove: "Core and Shell residential" before "projects may fulfill…". Add: "Residential" |
20 Oct, 2017 |
Amendment |
Type: Amendment
Post Date: 20 Oct, 2017 In 09 Feb, 2017 AAP, add: "for cooling" after "…or air conditioning units" |
20 Oct, 2017 |
Equivalency |
Type: Equivalency
Post Date: 26 Jul, 2017 Previously published as AAP: In addition, when utilizing CEN Standard EN 15251:2007, the project must comply with either Category I or Category II as described in Table A.1 of the standard in order to be within +/- 0.5 of the PMV for the space. |
26 Jul, 2017 |
Amendment |
Type: Amendment
Post Date: 26 Jul, 2017 Add: "(including circulation areas)" after "mechanically-ventilated projects" |
26 Jul, 2017 |
Amendment |
Type: Amendment
Post Date: 26 Jul, 2017 Remove: "naturally-ventilated" after "All spaces in". Add: "naturally-conditioned" after "All spaces in" |
26 Jul, 2017 |
Alternative Adherence Path |
Type: Alternative Adherence Path
Post Date: 09 Feb, 2017 Multifamily residential projects may certify when not supplying central-system air conditioning or air conditioning units for cooling in individual dwelling units, with the following conditions: |
09 Feb, 2017 |
Alternative Adherence Path |
Type: Alternative Adherence Path
Post Date: 17 Jan, 2017 Residential projects may fulfill the requirements of Feature 76 by providing a narrative of how the residential units meet local thermal comfort standards (environmental factors: air temperature, humidity, radiant temperature, air speed and personal factors: metabolic rate and clothing insulation) or by providing an allowance for tenants to select an air conditioning unit of their choice from options, which would allow the unit to meet the thermal comfort requirements. |
17 Jan, 2017 |
Intent |
Type: Intent
Post Date: 24 Oct, 2016 In the Feature description, remove the second paragraph. Replace with the following text: |
24 Oct, 2016 |
Alternative Adherence Path |
Type: Alternative Adherence Path
Post Date: 06 May, 2016 Inquiry: In residential units, are the requirements of Feature 76 met if individual unit controls for heating are provided? Ruling: No, an exemption from ASHRAE 55 requirements may not be granted in residential units if individual unit controls are provided. It is typical for each unit in a multifamily residential development to have individual control over space temperatures with controls allowing occupants to adjust temperatures. In order to rely on the controllability of the systems as an alternative strategy, it must be demonstrated that the local controls allow occupants to set conditions within the unit to meet ASHRAE 55. |
06 May, 2016 |
Type | Description | Post Date |
---|---|---|
Amendment |
Type: Amendment
Post Date: 01 Nov, 2018 For Part 1, remove: |
01 Nov, 2018 |
Alternative Adherence Path |
Type: Alternative Adherence Path
Post Date: 24 Oct, 2016 Core and Shell projects pursuing WELL compliance may submit Feature 77 as an Innovation feature under Features 101-105, provided all parts of the Feature are met for the whole building scope (i.e. The building core and shell and all parts of the interior finish-out that are completed by the project owner). |
24 Oct, 2016 |
Intent |
Type: Intent
Post Date: 24 Oct, 2016 In the Feature description, remove the second paragraph. Replace with the following text: |
24 Oct, 2016 |
Type | Description | Post Date |
---|---|---|
Amendment |
Type: Amendment
Post Date: 26 Jul, 2017 Remove: "3,000 m³". Add "280 m³" |
26 Jul, 2017 |
Amendment |
Type: Amendment
Post Date: 26 Jul, 2017 Remove: "3,000 m³". Add "280 m³" |
26 Jul, 2017 |
Amendment |
Type: Amendment
Post Date: 26 Jul, 2017 Remove: "6,000 m³". Add "570 m³" |
26 Jul, 2017 |
Intent |
Type: Intent
Post Date: 24 Oct, 2016 In the Feature description, remove the second paragraph. Replace with the following text: |
24 Oct, 2016 |
Amendment |
Type: Amendment
Post Date: 06 May, 2016 In Part 1b, change “Open office spaces:” to “Open workspaces:” |
06 May, 2016 |
Type | Description | Post Date |
---|---|---|
Equivalency |
Type: Equivalency
Post Date: 04 Dec, 2017 AS/NZS 2107:2016 has been accepted as an alternative to the sound masking level requirements in Feature 79 Part 2. Note that Private Office and Open Workspace sound masking levels must fall within the background noise criteria ranges in Table 1 of AS/NZS 2107:2016. This equivalency applies only to projects in Australia and New Zealand. |
04 Dec, 2017 |
Intent |
Type: Intent
Post Date: 24 Oct, 2016 In the Feature description, remove the second paragraph. Replace with the following text: |
24 Oct, 2016 |
Amendment |
Type: Amendment
Post Date: 06 May, 2016 In Part 2a, change “Open office spaces:” to “Open workspaces:” |
06 May, 2016 |
Verification type |
Type: Verification type
Post Date: 10 Feb, 2016 Add MEP Letter of Assurance as required documentation, remove Architect Letter of Assurance. |
10 Feb, 2016 |
Type | Description | Post Date |
---|---|---|
Amendment |
Type: Amendment
Post Date: 07 Jun, 2018 For Part 1a and 1b, add: ", beams, joists" after "...lights, skylights, diffusers" |
07 Jun, 2018 |
Equivalency |
Type: Equivalency
Post Date: 16 Mar, 2018 Alpha W (αw) has been accepted as an equivalent to the Noise Reduction Coefficient (NRC) requirements of Feature 80 – Sound Reducing Surfaces, Parts 1-3. Note that Alpha W is, like NRC, a single number metric for sound absorption that ranges from 0.00 to 1.00 and represents the average absorption coefficient of a given material across 125 Hz to 4 kHz, while NRC is a metric based on absorptive coefficients of a given material across 250 Hz to 2 kHz. |
16 Mar, 2018 |
Amendment |
Type: Amendment
Post Date: 05 Feb, 2018 For Part 2, remove: "walls". Add: "vertical surfaces" |
05 Feb, 2018 |
Amendment |
Type: Amendment
Post Date: 24 Oct, 2016 For Part 2a, add "interior" in front of "surrounding walls." |
24 Oct, 2016 |
Intent |
Type: Intent
Post Date: 24 Oct, 2016 In the Feature description, remove the second paragraph. Replace with the following text: |
24 Oct, 2016 |
Amendment |
Type: Amendment
Post Date: 06 May, 2016 In Part 1a, change “Open office spaces” to “Open workspaces:” |
06 May, 2016 |
Amendment |
Type: Amendment
Post Date: 06 May, 2016 In Part 2b, change “Open office spaces:” to “Open workspaces:” |
06 May, 2016 |
Amendment |
Type: Amendment
Post Date: 06 May, 2016 In Part 2c, change “Cubicle style offices:” to “Partitioned office spaces:” |
06 May, 2016 |
Type | Description | Post Date |
---|---|---|
Amendment |
Type: Amendment
Post Date: 01 Nov, 2018 In part description, remove: "Noise Isolation Class (NIC)". Add: "Sound Transmission Class (STC)" |
01 Nov, 2018 |
Amendment |
Type: Amendment
Post Date: 01 Nov, 2018 For Part 1a, remove: "NIC of 35 when a sound masking system is present, or minimum NIC of 40". Add: "STC of 40 when a sound masking system is present, or minimum STC of 45 |
01 Nov, 2018 |
Amendment |
Type: Amendment
Post Date: 07 Jun, 2018 For Part 1b, remove: "NIC" after "minimum". Add: "STC" |
07 Jun, 2018 |
Verification type |
Type: Verification type
Post Date: 11 Jan, 2018 In Verification Method, add: "Architect and Contractor" after "Letter of Assurance" |
11 Jan, 2018 |
Equivalency |
Type: Equivalency
Post Date: 17 Jan, 2017 The China national standard 'Code for Design of Sound Insulation of Civil Buildings' (GB50118-2010) has been approved an acceptable method to comply with Feature 81, Part 1 when Dw levels under ‘High Limits’ are achieved. Note that projects must comply with the verification method according to Appendix D. |
17 Jan, 2017 |
Intent |
Type: Intent
Post Date: 24 Oct, 2016 In the Feature description, remove the second paragraph. Replace with the following text: |
24 Oct, 2016 |
Verification type |
Type: Verification type
Post Date: 10 Feb, 2016 Add Contractor Letter of Assurance as required documentation. |
10 Feb, 2016 |
Type | Description | Post Date |
---|---|---|
Alternative Adherence Path |
Type: Alternative Adherence Path
Post Date: 15 Aug, 2018 To meet the requirements of Feature 82 Part 1 and 2, projects may implement the following strategies:
|
15 Aug, 2018 |
Amendment |
Type: Amendment
Post Date: 20 Oct, 2017 For Part 1a, add: "with more than 10 people" after "...and between rooms" |
20 Oct, 2017 |
Amendment |
Type: Amendment
Post Date: 26 Jul, 2017 In Part 2a, remove: "employees". Add: "occupants" |
26 Jul, 2017 |
Intent |
Type: Intent
Post Date: 24 Oct, 2016 In the Feature description, remove the second paragraph. Replace with the following text: |
24 Oct, 2016 |
Amendment |
Type: Amendment
Post Date: 06 May, 2016 In Part 1a, change “The building provides a thermal gradient of at least 3 °C [5 °F] across open office spaces…” to “The building provides a thermal gradient of at least 3 °C [5 °F] across open workspaces…” |
06 May, 2016 |
Verification type |
Type: Verification type
Post Date: 10 Feb, 2016 Add owner Letter of Assurance as required documentation, add on-site spot checks as required verification, remove visual inspection. |
10 Feb, 2016 |
Type | Description | Post Date |
---|---|---|
Alternative Adherence Path |
Type: Alternative Adherence Path
Post Date: 15 Aug, 2018 As an alternative to Feature 83 Part 1, projects may use active chilled beams that integrate outdoor air supply, so long as the following conditions are met:
|
15 Aug, 2018 |
Intent |
Type: Intent
Post Date: 24 Oct, 2016 In the Feature description, remove the second paragraph. Replace with the following text: |
24 Oct, 2016 |
Amendment |
Type: Amendment
Post Date: 06 May, 2016 In Feature introduction text, change “Additional benefits include saved floor space, lower dust transportation and increased thermal comfort through the separation of temperature controls and fresh air supply systems” to “Additional benefits include saved floor space, lower dust transportation and increased thermal comfort through the separation of temperature controls and outdoor air supply systems |
06 May, 2016 |
Amendment |
Type: Amendment
Post Date: 06 May, 2016 Change Part 1 name from “Lobbies and Other Common Public Spaces” to “Lobbies and Other Common Spaces” |
06 May, 2016 |
Type | Description | Post Date |
---|---|---|
Intent |
Type: Intent
Post Date: 24 Oct, 2016 In the Feature description, remove the second paragraph. Replace with the following text: |
24 Oct, 2016 |
Amendment |
Type: Amendment
Post Date: 06 May, 2016 In feature introduction text, change “Health literacy, defined by the Institute of Medicine as…” to “Health literacy, defined by the National Academy of Medicine as…” |
06 May, 2016 |
Type | Description | Post Date |
---|---|---|
Amendment |
Type: Amendment
Post Date: 27 Apr, 2017 Remove: "Prior to the design and programming of the project, all". Add: "Project" |
27 Apr, 2017 |
Intent |
Type: Intent
Post Date: 24 Oct, 2016 In the Feature description, remove the second paragraph. Replace with the following text: |
24 Oct, 2016 |
Type | Description | Post Date |
---|---|---|
Equivalency |
Type: Equivalency
Post Date: 05 Feb, 2018 PeopleLOOK™ of the UK has been accepted as an equivalent for the Occupant Indoor Environmental Quality Survey of Feature 86 Part 1. Note that, in addition to the survey requirements in PeopleLOOK™, thermal comfort parameters must be surveyed twice a year. |
05 Feb, 2018 |
Equivalency |
Type: Equivalency
Post Date: 05 Feb, 2018 The Comfortmeter survey has been accepted as an equivalent for the Occupant Indoor Environmental Quality Survey of Feature 86 Part 1. Note that, in addition to the survey requirements in Comfortmeter, thermal comfort parameters must be surveyed twice a year. |
05 Feb, 2018 |
Amendment |
Type: Amendment
Post Date: 26 Jul, 2017 Remove: "employees" after "10 or more". Add: "occupants" after "10 or more". |
26 Jul, 2017 |
Equivalency |
Type: Equivalency
Post Date: 14 Jul, 2017 The Building Use Studies (BUS) methodology of Occupant Satisfaction Evaluation has been accepted as an alternative for the Occupant Indoor Environmental Quality Survey required for Feature 86 Part 1. |
14 Jul, 2017 |
Amendment |
Type: Amendment
Post Date: 17 Jan, 2017 Change "…is given to a representative sample of at least 30% of employees at least once per year…" to "…is completed by a representative sample of at least 30% of employees at least once per year…" |
17 Jan, 2017 |
Equivalency |
Type: Equivalency
Post Date: 24 Oct, 2016 The Leesman Survey is an accepted alternative to the Occupant Indoor Environmental Quality Survey required for Feature 86, Part 1: Occupant Survey Content. |
24 Oct, 2016 |
Equivalency |
Type: Equivalency
Post Date: 24 Oct, 2016 The BOSSA Survey is an accepted alternative to the Occupant Indoor Environmental Quality Survey required for Feature 86, Part 1: Occupant Survey Content. |
24 Oct, 2016 |
Intent |
Type: Intent
Post Date: 24 Oct, 2016 In the Feature description, remove the second paragraph. Replace with the following text: |
24 Oct, 2016 |
Type | Description | Post Date |
---|---|---|
Intent |
Type: Intent
Post Date: 24 Oct, 2016 In the Feature description, remove the second paragraph. Replace with the following text: |
24 Oct, 2016 |
Verification type |
Type: Verification type
Post Date: 10 Feb, 2016 Add professional narrative as required documentation, remove annotated architectural drawing, remove on-site spot checks. |
10 Feb, 2016 |
Type | Description | Post Date |
---|---|---|
Intent |
Type: Intent
Post Date: 24 Oct, 2016 In the Feature description, remove the second paragraph. Replace with the following text: |
24 Oct, 2016 |
Verification type |
Type: Verification type
Post Date: 10 Feb, 2016 Add professional narratives as required documentation, remove annotated architectural drawings, remove on-site spot checks. |
10 Feb, 2016 |
Type | Description | Post Date |
---|---|---|
Amendment |
Type: Amendment
Post Date: 07 Jun, 2018 For Part 3, add: "a combination of" after "...through the provision of" |
07 Jun, 2018 |
Amendment |
Type: Amendment
Post Date: 20 Oct, 2017 In part description, remove: "Areas". Add: "Projects with gross floor area" |
20 Oct, 2017 |
Intent |
Type: Intent
Post Date: 24 Oct, 2016 In the Feature description, remove the second paragraph. Replace with the following text: |
24 Oct, 2016 |
Type | Description | Post Date |
---|---|---|
Amendment |
Type: Amendment
Post Date: 07 Jun, 2018 In part description, remove: "middle and high schools". Add: "primary and secondary schools" |
07 Jun, 2018 |
Intent |
Type: Intent
Post Date: 24 Oct, 2016 In the Feature description, remove the second paragraph. Replace with the following text: |
24 Oct, 2016 |
Verification type |
Type: Verification type
Post Date: 24 Oct, 2016 Under Appendix D, change the feature type for Part 1 from "(Protocol)" to "(Organizational Protocol)" |
24 Oct, 2016 |
Alternative Adherence Path |
Type: Alternative Adherence Path
Post Date: 06 May, 2016 The requirements of Part 1b (provide employees with a 50% subsidy on software and/or applications that monitor daytime sleep-related behavior patterns such as activity levels, caffeine and alcohol intake, and eating habits) may be met if employees are provided free, doctor recommended software applications that meet these requirements. |
06 May, 2016 |
Type | Description | Post Date |
---|---|---|
Intent |
Type: Intent
Post Date: 24 Oct, 2016 In the Feature description, remove the second paragraph. Replace with the following text: |
24 Oct, 2016 |
Verification type |
Type: Verification type
Post Date: 24 Oct, 2016 Under Appendix D, change the feature type for Part 1 from "(Protocol)" to "(Organizational Protocol)" |
24 Oct, 2016 |
Type | Description | Post Date |
---|---|---|
Amendment |
Type: Amendment
Post Date: 07 Jun, 2018 In part description, remove: "elementary, middle, and high schools". Add: "primary and secondary schools" |
07 Jun, 2018 |
Amendment |
Type: Amendment
Post Date: 27 Apr, 2017 Add: "or any other employer-established benefit plan designed to reimburse employees for qualified medical expenses" after "Flexible spending accounts" |
27 Apr, 2017 |
Equivalency |
Type: Equivalency
Post Date: 17 Jan, 2017 The 'Five Insurance' offered under the Labor Law of the People’s Republic of China has been approved as an acceptable method to comply with F92. |
17 Jan, 2017 |
Intent |
Type: Intent
Post Date: 24 Oct, 2016 In the Feature description, remove the second paragraph. Replace with the following text: |
24 Oct, 2016 |
Verification type |
Type: Verification type
Post Date: 24 Oct, 2016 Under Appendix D, change the feature type for Part 1 from "(Protocol)" to "(Organizational Protocol)" |
24 Oct, 2016 |
Type | Description | Post Date |
---|---|---|
Intent |
Type: Intent
Post Date: 24 Oct, 2016 In the Feature description, remove the second paragraph. Replace with the following text: |
24 Oct, 2016 |