WELL WELL v2 - Q1 2021 - Owner's Letter of Assurance

Sep 15, 2026

Owner's Letter of Assurance template for WELL WELL v2, Q1 2021, used to confirm that selected WELL features and component requirements are met through onsite performance verification and supporting documentation. The letter must be completed by the responsible party, with checks and initials recorded for each pursued requirement, and signature and date provided on the final page. Content covers intent and implementation stages, specifying compliance approaches for air quality, smoke-free environment, air-quality monitoring, combustion minimization, hygiene support, and nourishment through fruit and vegetable visibility.

LanguageEnglish

CategoryLetters

FormatPDF

Pages14

Reading Time5 min

AccessFree to download

Instructions

Completion and sign-off rules

Scope by stage

Intent stage (precertification only)

Implementation stage (precertification or WELL certification)

Check Air

A01 Air Quality - Part 4: Meet Thresholds for Radon

A02 Smoke-Free Environment - Part 2: Prohibit Outdoor Smoking

A08 Air Quality Monitoring and Awareness - Part 2: Promote Air Quality Awareness

A10 Combustion Minimization - Part 1: Manage Combustion

Engine exhaust reduction

Check Water

W08 Hygiene Support - Part 1: Provide Bathroom and Handwashing Accommodations

Handwashing signage in commercial kitchens

Check Nourishment

N01 Fruits and Vegetables - Part 2: Promote Fruit and Vegetable Visibility

Owner ' s Letter of Assurance : WELL WELL v2 , Q1 2021 Instructions WELL Certification is determined by onsite Performance Verification and documentation, including Letters of Assurance from the appropriate professionals overseeing the implementation of a specific WELL feature and component parts during design, construction or operations. The template should be completed, signed and submitted as part of the documentation package. 1. Place a check mark at every part completed and leave blank those that are not being pursued or being completed by another team member. 2. Initial every feature completed and leave blank those that are not being pursued or being completed by another team member. 3. Sign and date at the bottom of this letter. If an individual other than the Owner is responsible for any of the requirements contained in this Letter of Assurance, he/she is permitted to sign off on the respective requirements but must complete a separate Letter of Assurance for those specific requirements. This individual should submit a different copy of this form and check the boxes as it pertains to his/her own responsibility. On his/her own Letter of Assurance form(s), this individual should sign and complete the final page and include a description of his/her role on the project next to his/her signature. The scope of this letter of assurance is as follows (please initial): Intent stage (for Precertification only) The information contained in this document is accurate as of current designs and anticipated project operations. Implementation stage (for Precertification or WELL Certification) This document is prepared in relation to final construction documents and/or implemented operations and policies. Check Air Initials A01 Air Quality This project satisfies the parts selected below: Part 4 : Meet Thresholds for Radon Al Spaces: For regularly occupied spaces at or below grade, one of the following requirements is met: a. The radon is 0.15 Bq/L [4 pCi/L] or lower, as tested by a professional demonstrated not to have a conflict of interest with the WELL project. One test is conducted per {{well-unit}}25, 000 ft2 |2300 m2{{/well-unit}} of regularly occupied space at or below grade. b. All regularly occupied spaces at or below grade meet Feature A03, Part 1, Option 1. A02 Smoke-Free Environment This project satisfies the parts selected below: WELL WELL v2 , Q1 2021 Owner's Letter of Assurance Page 1 of 14 Part 2 : Prohibit Outdoor Smoking Al Spaces: Smoking and the use of e-cigarettes is prohibited in the following areas, with signage present to clearly communicate the ban: a. Outdoors at ground level within {{well-unit}}25 ft|7 .5 m{{/well-unit}} (or the maximum extent allowable by local codes) of all entrances, operable windows and building air intakes.13 Signage is present to clearly communicate the ban. In outdoor areas within the project boundary that allow smoking (if any), signs areplaced along walkways ( not more than {{well-unit}}100 ft|30 m{{/well-unit}} between signs) that describe the hazards of smoking.14 b. On decks, patios, balconies, rooftops and other occupiable outdoor areas above ground level. A08 Air Quality Monitoring and Awareness This project satisfies the parts selected below: Part 2 : Promote Air Quality Awareness Al Spaces: Information about the air quality measured in Part 1 of this feature is made available to occupants as follows: a. Data are presented through one of the following: 1. Display screens prominently positioned at a height of {{well-unit}}3 .6–5. 6 ft|1 .1–1.7 m{{/well-unit}} with at least one display per {{well-unit}}3500 ft2 |325 m2{{/well-unit}} of regularly occupied space. 2. Hosted on a website or phone application accessible to occupants. Signs are present indicating where the data may be accessed at a density of at least one sign per {{well-unit}}3500 ft2 |325 m2{{/well-unit}} of regularly occupied space. b.

FAQs

What is the purpose of the Owner's Letter of Assurance in the WELL WELL v2 Q1 2021 template?

It provides a documented assurance, based on onsite performance verification and supporting documentation, that the selected WELL feature requirements are addressed during design, construction, or operations.

How should the owner and other responsible individuals sign off requirements?

The owner checks and initials each completed item, then signs and dates the bottom of the letter. If another professional is responsible for certain requirements, that individual may sign those specific requirements using a separate Letter of Assurance copy for their scope and include a description of their role.

Which topics are included under “Check Air,” “Check Water,” and “Check Nourishment”?

Check Air covers radon thresholds, smoke-free environment, air-quality monitoring and awareness, and combustion minimization/engine exhaust reduction. Check Water focuses on hygiene support and handwashing accommodations via signage, while Check Nourishment includes fruit and vegetable visibility requirements.

Sep 15, 2026

Uploaded by Chloe Bennett