Light (L03-L09)

Question 1

Each luminaire meets the following requirements for for regular use fixtures

(L04)

Answer 1

100% of light is emitted above the horizontal plane
Classified with Unified Glare Rating of 16 or lower
Luminance does not exceed 6,000 at angle angle between 45 and 90

Question 2

Each luminaire meets one of the following requirements for regular occupied spaces

(L04)

Answer 2

Meets requirements in all spaces

Unified Glare Rating of 19 or lower

Question 3

Daylight plan implemented (option 1 - 1(2) points)

L05

Answer 3

70% of workstations are within 25ft of glazing (Interior Layout)
or
Envelop glazing is no less than 15% of floor area (Façade)

VLT is greater than 40%

Question 4

Daylight plan implemented (option 2 - 2(3) points)

L05

Answer 4

70% of workstations are within 16 ft of glazing (Interior Layout)
or
Envelop glazing is no less than 25% of floor area (Façade)

VLT is greater than 40%

Question 5

A daylight plan is implemented in dwelling units -

L05

Answer 5

15% of dwelling unit (1 Point)

25% of dwelling unit (2 Points)

Question 6

The following light levels are achieved for at least ____ hours at a height of ____ above the work plane.

(L03)

Answer 6

Four hours

18” above work plane

Question 7

Meet daylight for active people 1(2) & 3(4)

L03

Answer 7

150 EML or 120 EML + L05 Part 1/L06 Part 1

240 EML or 180 EML + L05 Part 1/L06 Part 1

Question 8

Lighting level requirements for dwelling units

L03

Answer 8

Dimmable and automatically dimmed after 8pm

Lighting levels are at a height of 55” in living rooms and kitchens

Question 9

Daylighting is shaded by one of the following -

L05

Answer 9

Manual shading controllable at all times (opened once a day for all days)

Automated to prevent glare

Question 10

Through computer simulations daylight stimulation is achieved for 1 (2) points -

(L06)

Answer 10

sDA300.50% is achieved for more than 55% of the floor area or 28fc is achieved for 50% of the unit for 50% of the daylit hours

Question 11

Through computer simulations daylight stimulation is achieved for 1 (2) points -

(L06)

Answer 11

sDA300.50% is achieved for more than 75% of the floor area or 28fc is achieved for 50% of the unit and an average illuminance of 9fc is achieved for 95% of the dwelling unit for 50% of the daylit hours

Question 12

Visual lighting is balanced through these 4 methods - (Option 1)

(L07)

Answer 12

Horizontal and vertical contrast ratios for an ambient lighting systems no more than 10 between adjacent spaces
Illuminance uniformity ration of at least .4 and 1:2:5 is achieved on a horizontal task plane
Automatic changes in lighting take place over a period of 10 mins
Correlated Color Temperature in each room is consistent (200K)

Question 13

Visual lighting is designed by a professional and takes into account - (Option 2)

(L07)

Answer 13

Luminance ratios on horizontal and vertical adjacent zones
Illuminance uniformity of horizontal task planes
Changes in lighting characteristics
Color temperature

Question 14

All luminaries meet one of the following color temperature requirements

(L08)

Answer 14

CRI > 90
CRI > 80 with R9 > 50
IES Rf > 78, Rg > 100, -1% < IES Rcs, hI 15%

Question 15

All luminaries meet one of the following color temperature requirements for circulation areas -

(L08)

Answer 15

CRI > 80

IES Rf > 75, Rg > 95, -7% < IES Rcs, hI 15%

Question 16

All luminaries in regularly occupied spaces meet the following flicker requirements -

(L08)

Answer 16

Classified as “reduced flicker option”
Recommended practices 1,2,or 3 defined by IEEE
Pst LM < 1 and SVM < 1.6

Question 17

All regularly occupied spaces contain lighting zones as shown below 1(.5) -

(L09)

Answer 17

One per 650ft or one per 10 ten occupants

Question 18

All regularly occupied spaces contain lighting zones as shown below 2 (1) -

(L09)

Answer 18

One per 320 ft or per 5 occupants

Question 19

Lighting systems have at least 3 lighting levels that have the ability to have at last one of the following -

(L09)

Answer 19

• Color
• Color Temperature
• Distribution of light by controlling groups of lights

Question 20

All regular occupants have control over their immediate lighting environment through one of the following -

and the required addition of

(L09)

Answer 20

• Manual controls in the same space as the lighting zone
• Digital interface available on a computer or phone

Lighting for presentation or projection walls are separately controlled

Question 21

Supplemental lighting is meet through (Option 1) -

L09

Answer 21

The light fixtures provide an increase to the light level on the task surface to twice the recommended lighting levels (based on L02: Visual lighting Part 1)

Light fixture positioned to create minimal visual discomfort based on manufacturer recommendations

Fixture is installed at last 9” from the front edge of the work station

Question 22

Supplemental lighting is meet through (Option 2) -

L09

Answer 22

Supplemental fixtures are provided to occupants at no cost and fulfilled in 8 weeks
At least one fixture is available to occupants for trail purposes