GSA
Courtroom Lighting Criteria Evaluation
Task 1 Report
All of the key components of the IESNA Hand o k fc r aeme tn db teD s n
b o sat s r
o
ni e yh ei
o
g
Guide except for daylight integration and control.
4.3
Illuminance Recommendations
The following table indicates the illuminance target recommendations given by the U.S.
Courts Design Guide and the IESNA Handbook.
U.S. Courts Design Guide
IESNA Handbook
Area
Horizontal
Vertical
Horizontal
Vertical
Illuminance
Illuminance
Illuminance
Illuminance
(Fc)
(Fc)
(Fc)
(Fc)
Judge(s)
40-75
NA
50
10
Courtroom Deputy
40-75
NA
50
10
Clerk
Witness
40-75
NA
30
5
Interpreter
NA
NA
NA
NA
Jurors
40-75
NA
NA
NA
Court
40-75
NA
NA
NA
Reporter/Recorder
Attorney and
40-75
NA
50
10
Litigants
Attoney Waiting
40-75
NA
NA
NA
Area
Law Clerk
40-75
NA
50
10
Baliff
40-75
NA
NA
NA
USMS Personnel
40-75
NA
NA
NA
Spectators
30-40
NA
10
3
Table 1 - U.S. Courts Design Guide Illuminance Recommendations
Page 6
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