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Interior lighting - controllability

EQ7.2 | Possible point

Intent

To provide a high level of lighting system control by individual occupants or groups in multioccupant spaces (e.g., classrooms and conference areas) and promote their productivity, comfort and well-being.

To provide a high level of lighting system control by individual occupants or groups in multioccupant spaces (e.g., classrooms and conference areas) and promote their productivity, comfort and well-being.

To provide a high level of lighting system control by individual occupants or groups in multioccupant spaces (e.g., classrooms and conference areas) and promote their productivity, comfort and well-being.

To provide a high level of lighting system control by individual occupants or groups in multioccupant spaces (e.g., classrooms and conference areas) and promote their productivity, comfort and well-being.

To provide a high level of lighting system and thermal comfort control for individual workstations to promote the productivity, comfort, and well-being of building occupants.

To provide a high level of lighting system control by individual occupants or specific groups in multi-occupant spaces (e.g., conference areas, critical care areas, emergency room areas) and promote their productivity, comfort and well-being.

Provide a high level of lighting system control by individual occupants or by specific groups in multi-occupant spaces (i.e. classrooms or conference areas) to promote the productivity, comfort and well-being of building occupants.

To provide a high level of lighting control by individual occupants or specific groups in multioccupant spaces (e.g., classrooms or conference areas) to promote the productivity, comfort and well-being of building occupants.

Provide a high level of lighting system control for individual occupants, and specific groups in multi-occupant spaces (e.g., classrooms and conference areas), to promote the productivity, comfort and well-being of building occupants.

Provide a high level of thermal and ventilation control for individual occupants, and specific groups in multi-occupant spaces (e.g., classrooms and conference areas), to promote the productivity, comfort and well-being of building occupants.

Provide a high level of temperature, ventilation and lighting control by individual occupants or specific groups in multi-occupant spaces (e.g., classrooms or conference areas) to promote the productivity, comfort and well-being of building occupants.

Provide a high level of temperature and ventilation control by individual occupants or specific groups in multi-occupant spaces (e.g., classrooms or conference areas) to promote the productivity, comfort and wellbeing of building occupants.

Provide a high level of lighting system control by individual occupants or by specific groups in multi-occupant spaces (i.e. classrooms or conference areas) to promote the productivity, comfort and well-being of building occupants.

Provide a high level of thermal comfort system control by individual occupants or by specific groups in multioccupant spaces (i.e. classrooms or conference areas) to promote the productivity, comfort and well-being of building occupants.

Provide a high level of thermal, ventilation and lighting system control by individual occupants or specific groups in multi-occupant spaces (i.e. classrooms or conference areas) to promote the productivity, comfort and well-being of building occupants.

Provide a high level of thermal, ventilation and lighting system control by individual occupants or specific groups in multi-occupant spaces (i.e. classrooms or conference areas) to promote the productivity, comfort and well-being of building occupants.

Provide a high level of individual occupant control of thermal, ventilation, and lighting systems to support optimum health, productivity, and comfort conditions.

Provide a high level of individual occupant control of thermal, ventilation, and lighting systems to support optimum health, productivity, and comfort conditions.

To promote occupants’ productivity, comfort, and well-being by providing high-quality lighting.

To promote occupants’ productivity, comfort, and well-being by providing high-quality lighting.

To promote occupants’ productivity, comfort, and well-being by providing high-quality lighting.

To promote occupants’ productivity, comfort, and well-being by providing high-quality lighting.

To promote occupants’ productivity, comfort, and well-being by providing high-quality lighting.

To promote occupants’ productivity, comfort, and well-being by providing high-quality lighting.

To promote occupants’ productivity, comfort, and well-being by providing high-quality lighting.

Requirements

Provide individual lighting controls for 90% (minimum) of the building occupants to enable adjustments to suit individual task needs and preferences.

Provide lighting system controls for all shared multi-occupant spaces to enable adjustments that meet group needs and preferences.

Case 1. Administrative offices and other regularly occupied spaces

Provide individual lighting controls for 90% (minimum) of the building occupants to enable adjustments to suit individual task needs and preferences.

AND

Provide lighting system controls for all learning spaces including classrooms, chemistry laboratories, art rooms, shops, music rooms, gymnasiums and dance and exercise studios to enable adjustments that meet group needs and preferences.

Case 2. Classrooms

In classrooms, provide a lighting system that operates in at least 2 modes: general illumination and A/V.

Provide individual lighting controls for 90% (minimum) of the tenant space occupants to enable adjustments to suit individual task needs and preferences.

Provide lighting system controls for all shared multi-occupant spaces to enable adjustments that meet group needs and preferences.

For at least 50% of building occupants, use lighting controls that enable adjustments to suit the task needs and preferences of individuals for at least 50% of individual workstations, and for groups sharing a multioccupant space or working area for at least 50% of multi-occupant space in the building.

Provide individual lighting controls for 90% (minimum) of retail employees in office and administrative spaces, enabling adjustments to suit individual task needs and preferences.

AND

Provide individual thermal comfort controls for 50% (minimum) of retail employees in office and administrative spaces to enable adjustments to suit individual task needs and preferences. Operable windows can be used in lieu of comfort controls for occupants of areas that are 20 feet (6 meters) inside of and 10 feet (3 meters) to either side of the operable part of the window. The areas of operable window must meet the requirements of ASHRAE 62.1–2007, paragraph 5.1, Natural Ventilation (with errata but without addenda2).

Conditions for thermal comfort are described in IEQ credit 7.1: Thermal Comfort—Design and include the primary factors of air temperature, radiant temperature, air speed and humidity.

For all occupants

Provide lighting system controls for all shared multi-occupant spaces to enable adjustments that meet group needs and preferences.

AND

For Staff Areas

Provide individual lighting controls for 90% (minimum) of the FTE staff (measured at peak periods) to enable adjustments to suit individual task needs and preferences.

For Patient Areas

Provide individual lighting controls for 90% (minimum) of patients to enable adjustmentsto suit individual task needs and preferences.

Install lighting controls that are readily accessible from the patient bed. In multi-occupant patient spaces, such as recovery rooms, emergency departments, infusion areas, and similar open areas, provide individual lighting controls.

In private rooms, provide occupant controls that are readily accessible from the patient bed for exterior window shades, blinds, and/or curtains. Exempted areas include in-patient critical care, pediatric and psychiatric patient rooms.

Provide individual lighting controls for 90% (minimum) of the building occupants to enable adjustments to suit individual task needs and preferences.
AND
Provide lighting system controllability for all shared multi-occupant spaces to enable lighting adjustment that meets group needs and preferences.

For at least 50% of building occupants, use lighting controls that enable adjustments to suit the task needs and preferences of individuals for at least 50% of individual workstations, and for groups sharing a multioccupant space or working area for at least 50% of multi-occupant space in the building.

Provide lighting controls for:

  • At least 90% of occupants, enabling adjustments to suit individual task needs and preferences,
    AND
  • All shared multi-occupant spaces where transient groups must share lighting controls.

Provide thermal and ventilation controls for:

  • At least 50% of the space occupants that enable adjustment to suit individual needs and preferences,
    AND
  • All shared multi-occupant spaces where transient groups must share controls.

Operable windows may be used in lieu of individual controls for occupants near windows (20 feet inside of and 10 feet to either side of the operable part of the window), and where the operable windows meet the requirements of ASHRAE Standard 62-2004 Section 5.1 Natural Ventilation.

Provide lighting controls, for at least 50% of building occupants, enabling adjustments to suit individual task needs and preferences, or those of a group sharing a multi-occupant space or workgroup area.

Provide individual temperature and ventilation controls for at least 50% of the building occupants, enabling adjustments to suit individual needs and preferences, or those of a group sharing a multi-occupant space or workgroup area. Operable windows may be used in lieu of individual controls for occupants in spaces near the windows (20 feet inside of and 10 feet to either side of the operable part of the window), and where the operable windows meet the requirements of ASHRAE 62.1-2004 paragraph 5.1.

For administrative offices and other regularly occupied spaces

Provide individual lighting controls for 90% (minimum) of the building occupants in workspaces to enable adjustments to suit individual task needs and preferences.

AND

For classrooms and core learning spaces, with the exception of chemistry laboratories, art rooms, shops, music rooms, and dance/exercise studios:

Provide a classroom lighting system that operates in two modes: general illumination and A/V.

  • In general illumination mode, achieve an average illumination at the desk level of 35 to 50 footcandles with a minimum of 25 footcandles at any point more than 3 ft from any wall.
  • In A/V mode, not including contribution from the teaching wall light, achieve an average illumination at the desk level of between 10 and 20 footcandles for any point in the room greater than 3 ft from the side walls, 10 ft from the front wall and 6 ft from the back wall, while limiting vertical illumination on the projection screen to no more than 7 footcandles at any point on the screen.

Provide individual comfort controls for 50% (minimum) of the building occupants to enable adjustments to suit individual task needs and preferences. Operable windows can be used in lieu of comfort controls for occupants of areas that are 20 feet inside of and 10 feet to either side of the operable part of the window. The areas of operable window must meet the requirements of ASHRAE 62.1-2004 paragraph 5.1 Natural Ventilation.

AND

Provide comfort system controls for all shared multi-occupant spaces to enable adjustments to suit group needs and preferences.
Conditions for thermal comfort are described in ASHRAE Standard 55-2004 to include the primary factors of air temperature, radiant temperature, air speed and humidity. Comfort system control for the purposes of this credit is defined as the provision of control over at least one of these primary factors in the occupant’s local environment.

Core & Shell buildings that do not purchase and/or install the mechanical system or operable windows (or a combination of both) have not met the intent of this credit.

See Appendix 1 – Default Occupancy Counts for occupancy count requirements and guidance.

Provide at least an average of one operable window and one lighting control zone per 200 square feet for all regularly occupied areas within 15 feet of the perimeter wall.

Provide controls for each individual for airflow, temperature and lighting for at least 50% of the occupants in non-perimeter, regularly occupied areas.

Provide a minimum of one operable window and one lighting control zone per 200 SF for all occupied areas within 15 feet of the perimeter wall.

Provide controls for each individual for airflow, temperature and lighting for at least 50% of the occupants in non-perimeter, regularly occupied areas.

Establishment

Option 1. Lighting control (1 point)

For at least 50% of individual occupant spaces, have in place individual lighting controls that enable occupants to adjust the lighting to suit their individual tasks and preferences, with at least three lighting levels or scenes (on, off, midlevel). Midlevel is 30% to 70% of the maximum illumination level (not including daylight contributions).

For all shared multi-occupant spaces, meet all of the following requirements.

  • Have in place multizone control systems that enable occupants to adjust the lighting to meet group needs and preferences, with at least three lighting levels or scenes (on, off, midlevel).
  • Lighting for any presentation or projection wall must be separately controlled.
  • Switches or manual controls must be located in the same space as the controlled luminaires. A person operating the controls must have a direct line of sight to the controlled luminaires.

AND/OR

Option 2. Lighting quality (1 point)

Choose four of the following strategies.

  1. For all regularly occupied spaces, have in place light fixtures with a luminance of less than 2,500cd/m2 between 45 and 90 degrees from nadir.
    Exceptions include wallwash fixtures properly aimed at walls, as specified by manufacturer’s data, indirect uplighting fixtures, provided there is no view down into these uplights from a regularly occupied space above, and any other specific applications (i.e. adjustable fixtures).
  2. For the entire project, have in place light sources with a CRI of 80 or higher. Exceptions include lamps or fixtures specifically designed to provide colored lighting for effect, site lighting, or other special use.
  3. For at least 75% of the total connected lighting load, have in place light sources that have a rated life (or L70 for LED sources) of at least 24,000 hours (at 3-hour per start, if applicable).
  4. Have in place direct-only overhead lighting for 25% or less of the total connected lighting load for all regularly occupied spaces.
  5. For at least 90% of the regularly occupied floor area, meet or exceed the following thresholds for area-weighted average surface reflectance: 85% for ceilings, 60% for walls, and 25% for floors.
  6. Meet or exceed the following thresholds for area-weighted average surface reflectance: 45% for work surfaces and 50% for movable partitions.
  7. For at least 75% of the regularly occupied floor area, meet ratio of average wall surface illuminance (excluding fenestration) to average work surface illuminance that does not exceed 1:10. Must also meet strategy E, strategy F, or demonstrate area-weighted surface reflectance of at least 60% for walls.
  8. For at least 75% of the regularly occupied floor area, meet ratio of average ceiling illuminance (excluding fenestration) to work surface illuminance that does not exceed 1:10. Must also meet strategy E, strategy F, or demonstrate area-weighted surface reflectance of at least 85% for ceilings.

Performance

None.

Establishment

Option 1. Lighting control (1 point)

For at least 50% of individual occupant spaces, have in place individual lighting controls that enable occupants to adjust the lighting to suit their individual tasks and preferences, with at least three lighting levels or scenes (on, off, midlevel). Midlevel is 30% to 70% of the maximum illumination level (not including daylight contributions).

For all shared multi-occupant spaces, meet all of the following requirements.

  • Have in place multizone control systems that enable occupants to adjust the lighting to meet group needs and preferences, with at least three lighting levels or scenes (on, off, midlevel).
  • Lighting for any presentation or projection wall must be separately controlled.
  • Switches or manual controls must be located in the same space as the controlled luminaires. A person operating the controls must have a direct line of sight to the controlled luminaires.

Guest rooms are assumed to have adequate lighting controls and are therefore not included in the credit calculations.

For all shared multioccupant spaces, meet all of the following requirements.

  • Provide multizone control systems that enable occupants to adjust the lighting to meet group needs and preferences, with at least three lighting levels or scenes (on, off, midlevel).
  • Lighting for any presentation or projection wall must be separately controlled.
  • Locate switches or manual controls in the same space with the controlled luminaires. A person operating the controls must have a direct line of sight to the controlled luminaires.

AND/OR

Option 2. Lighting quality (1 point)

Choose four of the following strategies.

  1. For all regularly occupied spaces, have in place light fixtures with a luminance of less than 2,500cd/m2 between 45 and 90 degrees from nadir.
    Exceptions include wallwash fixtures properly aimed at walls, as specified by manufacturer’s data, indirect uplighting fixtures, provided there is no view down into these uplights from a regularly occupied space above, and any other specific applications (i.e. adjustable fixtures).
  2. For the entire project, have in place light sources with a CRI of 80 or higher. Exceptions include lamps or fixtures specifically designed to provide colored lighting for effect, site lighting, or other special use.
  3. For at least 75% of the total connected lighting load, have in place light sources that have a rated life (or L70 for LED sources) of at least 24,000 hours (at 3-hour per start, if applicable).
  4. Have in place direct-only overhead lighting for 25% or less of the total connected lighting load for all regularly occupied spaces.
  5. For at least 90% of the regularly occupied floor area, meet or exceed the following thresholds for area-weighted average surface reflectance: 85% for ceilings, 60% for walls, and 25% for floors.
  6. Meet or exceed the following thresholds for area-weighted average surface reflectance: 45% for work surfaces and 50% for movable partitions.
  7. For at least 75% of the regularly occupied floor area, meet ratio of average wall surface illuminance (excluding fenestration) to average work surface illuminance that does not exceed 1:10. Must also meet strategy E, strategy F, or demonstrate area-weighted surface reflectance of at least 60% for walls.
  8. For at least 75% of the regularly occupied floor area, meet ratio of average ceiling illuminance (excluding fenestration) to work surface illuminance that does not exceed 1:10. Must also meet strategy E, strategy F, or demonstrate area-weighted surface reflectance of at least 85% for ceilings.

Performance

None.

For at least 90% of the individual occupant spaces in office and administrative areas, provide individual lighting controls.

In sales areas, provide controls that can reduce the ambient light levels to a midlevel (30% to 70% of the maximum illumination level not including daylight contributions).

Provide individual lighting controls for at least 90% of individual occupant spaces in staff areas.

For at least 90% of patient positions, provide lighting controls that are readily accessible from the patient’s bed. In multioccupant patient spaces, the controls must be individual lighting controls. In private rooms, also provide exterior window shades, blinds, or curtain controls that are readily accessible from the patient’s bed. Exceptions include in-patient critical care, pediatric, and psychiatric patient rooms.

For all shared multioccupant spaces, provide multizone control systems that enable occupants to adjust the lighting to meet group needs and preferences, with at least three lighting levels or scenes (on, off, midlevel). Midlevel is 30% to 70% of the maximum illumination level (not including daylight contributions).

Option 1. Lighting control (1 point)

For at least 90% of individual occupant spaces, provide individual lighting controls that enable occupants to adjust the lighting to suit their individual tasks and preferences, with at least three lighting levels or scenes (on, off, midlevel). Midlevel is 30% to 70% of the maximum illumination level (not including daylight contributions).

For all shared multioccupant spaces, meet all of the following requirements.

  • Have in place multizone control systems that enable occupants to adjust the lighting to meet group needs and preferences, with at least three lighting levels or scenes (on, off, midlevel).
  • Lighting for any presentation or projection wall must be separately controlled.
  • Switches or manual controls must be located in the same space as the controlled luminaires. A person operating the controls must have a direct line of sight to the controlled luminaires.
  • Option 2. Lighting quality (1 point)

    Choose four of the following strategies.

    1. For all regularly occupied spaces, use light fixtures with a luminance of less than 2,500 cd/m2 between 45 and 90 degrees from nadir.
      Exceptions include wallwash fixtures properly aimed at walls, as specified by manufacturer’s data, indirect uplighting fixtures, provided there is no view down into these uplights from a regularly occupied space above, and any other specific applications (i.e. adjustable fixtures).
    2. For the entire project, use light sources with a CRI of 80 or higher. Exceptions include lamps or fixtures specifically designed to provide colored lighting for effect, site lighting, or other special use.
    3. For 75% of the total connected lighting load, use light sources that have a rated life (or L70 for LED sources) of at least 24,000 hours (at 3-hour per start, if applicable).
    4. Use direct-only overhead lighting for 25% or less of the total connected lighting load for all regularly occupied spaces.
    5. For 90% of the regularly occupied floor area, meet the following thresholds for area-weighted average surface reflectance: 85% for ceilings, 60% for walls, and 25% for floors.
    6. If furniture is included in the scope of work, select furniture finishes to meet the following thresholds for area-weighted average surface reflectance: 45% for work surfaces, and 50% for movable partitions.
    7. For 75% of the regularly occupied floor area, meet ratio of average wall surface illuminance (excluding fenestration) to average work plane (or surface, if defined) illuminance that does not exceed 1:10. Must also meet strategy E, strategy F, or demonstrate area-weighted surface reflectance of 60% for walls.
    8. For 75% of the regularly occupied floor area, meet ratio of average ceiling illuminance (excluding fenestration) to work surface illuminance that does not exceed 1:10. Must also meet option E, option F, or demonstrate area-weighted surface reflectance of 85% for ceilings.
    Option 1. Lighting control (1 point)

    For at least 90% of individual occupant spaces, provide individual lighting controls that enable occupants to adjust the lighting to suit their individual tasks and preferences, with at least three lighting levels or scenes (on, off, midlevel). Midlevel is 30% to 70% of the maximum illumination level (not including daylight contributions).

    For all shared multioccupant spaces, meet all of the following requirements.

    • Have in place multizone control systems that enable occupants to adjust the lighting to meet group needs and preferences, with at least three lighting levels or scenes (on, off, midlevel).
    • Lighting for any presentation or projection wall must be separately controlled.
    • Switches or manual controls must be located in the same space as the controlled luminaires. A person operating the controls must have a direct line of sight to the controlled luminaires.
    • Guest rooms are assumed to have adequate lighting controls and are therefore not included in the credit calculations.

      Option 2. Lighting quality (1 point)

      Choose four of the following strategies.

      1. For all regularly occupied spaces, use light fixtures with a luminance of less than 2,500 cd/m2 between 45 and 90 degrees from nadir.
        Exceptions include wallwash fixtures properly aimed at walls, as specified by manufacturer’s data, indirect uplighting fixtures, provided there is no view down into these uplights from a regularly occupied space above, and any other specific applications (i.e. adjustable fixtures).
      2. For the entire project, use light sources with a CRI of 80 or higher. Exceptions include lamps or fixtures specifically designed to provide colored lighting for effect, site lighting, or other special use.
      3. For 75% of the total connected lighting load, use light sources that have a rated life (or L70 for LED sources) of at least 24,000 hours (at 3-hour per start, if applicable).
      4. Use direct-only overhead lighting for 25% or less of the total connected lighting load for all regularly occupied spaces.
      5. For 90% of the regularly occupied floor area, meet the following thresholds for area-weighted average surface reflectance: 85% for ceilings, 60% for walls, and 25% for floors.
      6. If furniture is included in the scope of work, select furniture finishes to meet the following thresholds for area-weighted average surface reflectance: 45% for work surfaces, and 50% for movable partitions.
      7. For 75% of the regularly occupied floor area, meet ratio of average wall surface illuminance (excluding fenestration) to average work plane (or surface, if defined) illuminance that does not exceed 1:10. Must also meet strategy E, strategy F, or demonstrate area-weighted surface reflectance of 60% for walls.
      8. For 75% of the regularly occupied floor area, meet ratio of average ceiling illuminance (excluding fenestration) to work surface illuminance that does not exceed 1:10. Must also meet option E, option F, or demonstrate area-weighted surface reflectance of 85% for ceilings.
      Option 1. Lighting control (1 point)

      For at least 90% of individual occupant spaces, provide individual lighting controls that enable occupants to adjust the lighting to suit their individual tasks and preferences, with at least three lighting levels or scenes (on, off, midlevel). Midlevel is 30% to 70% of the maximum illumination level (not including daylight contributions).

      For all shared multioccupant spaces, meet all of the following requirements.

      • Have in place multizone control systems that enable occupants to adjust the lighting to meet group needs and preferences, with at least three lighting levels or scenes (on, off, midlevel).
      • Lighting for any presentation or projection wall must be separately controlled.
      • Switches or manual controls must be located in the same space as the controlled luminaires. A person operating the controls must have a direct line of sight to the controlled luminaires.
      • Option 2. Lighting quality (1 point)

        Choose four of the following strategies.

        1. For all regularly occupied spaces, use light fixtures with a luminance of less than 2,500 cd/m2 between 45 and 90 degrees from nadir.
          Exceptions include wallwash fixtures properly aimed at walls, as specified by manufacturer’s data, indirect uplighting fixtures, provided there is no view down into these uplights from a regularly occupied space above, and any other specific applications (i.e. adjustable fixtures).
        2. For the entire project, use light sources with a CRI of 80 or higher. Exceptions include lamps or fixtures specifically designed to provide colored lighting for effect, site lighting, or other special use.
        3. For 75% of the total connected lighting load, use light sources that have a rated life (or L70 for LED sources) of at least 24,000 hours (at 3-hour per start, if applicable).
        4. Use direct-only overhead lighting for 25% or less of the total connected lighting load for all regularly occupied spaces.
        5. For 90% of the regularly occupied floor area, meet the following thresholds for area-weighted average surface reflectance: 85% for ceilings, 60% for walls, and 25% for floors.
        6. If furniture is included in the scope of work, select furniture finishes to meet the following thresholds for area-weighted average surface reflectance: 45% for work surfaces, and 50% for movable partitions.
        7. For 75% of the regularly occupied floor area, meet ratio of average wall surface illuminance (excluding fenestration) to average work plane (or surface, if defined) illuminance that does not exceed 1:10. Must also meet strategy E, strategy F, or demonstrate area-weighted surface reflectance of 60% for walls.
        8. For 75% of the regularly occupied floor area, meet ratio of average ceiling illuminance (excluding fenestration) to work surface illuminance that does not exceed 1:10. Must also meet option E, option F, or demonstrate area-weighted surface reflectance of 85% for ceilings.
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