01 - Health and Wellbeing

Carbon monoxide detection – Combustion appliances located outside - KBCN1586

Where all combustion appliances are located outside in the open air, no flues pass through an occupied space and there are no enclosed parking areas, the associated credits can be filtered out as per Criterion 1

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Methodology – Procedure for measuring illuminance - KBCN1721

The following guidance, found in the Methodology section of BIU USA V6 Commercial, can also be applied to BIU USA V6 Residential assessments: For assets with identical lighting systems and floor layouts across multiple areas or floors, illuminance levels in a representative sample of areas or floors may be measured, if in the professional opinion of the suitably qualified person, these are likely to give measurements that reflect the performance of the lighting in all relevant spaces within the asset. Illuminance measurements must be taken at least every five years and after any changes to lighting systems. Where the asset is less than five years old and illuminance levels were assessed as part of the design or construction of the asset that demonstrate compliance with the criteria in this assessment issue, then the results of these studies may be used as evidence (assuming there have been no changes to the lighting systems in the intervening period).

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Minimising flicker – scope of issue - KBCN1639

Principle Flicker from all lighting systems is eliminated. This means eliminating flicker in:

• All lighting within management control, common areas, and tenanted areas.
• Occupied, un-occupied and external spaces.

Only emergency lighting is excluded. See KBCN0185. Lighting flicker is undesirable regardless of location or length of exposure. Commercial scope Eliminate flicker in all lighting. Residential scope Eliminate flicker in:

• All communal areas (internal and external, occupied and unoccupied).
• Management offices, and all areas under management control.

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Occupant control – spaces requiring user controls - KBCN0170

This guidance is intended to clarify the types of area for which user controls are required or would be considered beneficial. Zoning is required in all areas of the asset where specified in the assessment criteria. Please refer to the specific requirements of the applicable BREEAM standard to interpret this guidance appropriately. User controls required Spaces where users are expected to have independent control over their environment.

• Owned spaces: small rooms for a few people. For instance, cellular offices, owned spaces in residential assets.
• Temporarily owned spaces: where occupants expect to operate the environmental controls while they are there. For instance, meeting rooms and hotel bedrooms.
• Shared spaces. For instance, multi-occupied areas such as open-plan offices or workshops.

User controls not required Spaces where users are not expected to have independent control over their environment.

• Managed spaces: where environmental control is expected to be centrally managed. For instance, atria, circulation areas, concourses, entrance halls, function halls, restaurants, libraries, and shops.
• Occasionally visited spaces. For instance, storerooms, bookstacks in libraries, aisles of warehouses, toilets.

14-Dec-2022 - KBCN applicability updated to include BIU. Wording clarified, and amended for compatibility with BIU criteria.

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View out – Calculating the glazing to wall ratio - KBCN1506

This should be calculated based on the glazed area of window, expressed as a percentage of the area of the external wall in which the window sits. Where the ceiling height of the room is unusually high, relative to the window height, the wall area can be calculated based on a standard ceiling height for the building type.

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