Posted on: 20 Oct, 2017
Amendment: For Part 4a, remove: "(Ventilation Rate Procedure or IAQ Procedure) for residential buildings of 3 or fewer floors". Add: "(or more recent version) for dwelling units"
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Posted on: 20 Oct, 2017
Amendment: For Part 4b, remove: "(Ventilation Rate Procedure or IAQ Procedure) for residential buildings of more than 3 floors above grade". Add: "for common areas and other spaces apart from dwelling units"
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Posted on: 20 Oct, 2017
Amendment: Remove: "c. Projects comply with all requirements set in the Natural Ventilation Procedure…the previous year."
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Posted on: 26 Jul, 2017
Amendment: Under "Air Feature 3 Ventilation effectiveness, Part 3", remove: "Testing and Balancing Report". Add: "MEP or Contractor" under "Letters of Assurance"
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Posted on: 27 Apr, 2017
Amendment: For Part 2b, add: "(measured at 1.2-1.8 m [4-6 ft] above the floor)" after "below 800 ppm" and add: "maximum" after "at"
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Posted on: 27 Apr, 2017
Amendment: For Part 2a, add: "(measured at 1.2-1.8 m [4-6 ft] above the floor)" after "800 ppm" at the end of the sentence
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Posted on: 24 Oct, 2016
Amendment: In Part 3a, change "After substantial completion and prior to occupancy, the HVAC system undergoes testing and balancing" to "After substantial completion and prior to occupancy, the HVAC system has (within the last 5 years), or is scheduled to, undergo testing and balancing."
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Posted on: 10 Feb, 2016
Amendment: At the end of Part 1b, add "Quality Standards feature in the WELL Building Standard for at least 95% of all hours in the previous year."
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Posted on: 10 Feb, 2016
Amendment: Under Part 2, after “For all spaces” insert the following: “46.5 m² [500 ft²] or larger”
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