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CURTAIN WALL WINDOWSLET IN NATURAL DAYLIGHT
STEEL FRAME STRUCTURE
OPEN PLAN ADDS VISUAL CONNECTEDNESS
GREEN ROOF INTEGRATES PARK SPACE INTO FACILITY
CHANGE IN GRADE CREATES INTERESTING VIEWS
CONCRETE FLOOR AND ROOF SLABBING
LOBBYLECTURE HALLEXHIBITIONRESTROOMADMINISTRATIONCAFELABS
SORTING & STORAGERECREATION
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2ND LEVEL
1ST LEVEL
SUBMERGED LEVEL
1234
5
AC B
LS
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CAD | CAM LABORATORYEnergy & Design | Professor Gail Brager & Professor Charles Benton
Wurster Hall, Berkeley, CA
POST-OCCUPANCY EVALUATION STUDY OF NATURAL DAYLIGHTING
OBJECTIVE Study the amount and quality of light using a luminance meter tool. Determine if light is sufficient in the space. Document and illustrate your findings.
CONCLUSION It was determined that light was not adequate at the space opposite the windows. A small partition prevented what little light to penetrate the far end of the room.
GROUP Team members included Molly McNamara, Meaghan Whitehorn, Andrea Acuna, and Joanna Salem. Salem participated in measuring the light with the luminance meter, assisted with the documentation of the findings, and produced the presentation board, including the plan and sectional drawings.
LUMINANCESTUDY
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1 2 3 4
HYPOTHESISThere is an uneven, inadequate distribution of task lighting in CAD/CAM labfor machine use.
Luminance Tool and Task Lighting Sensor.
TOOLS
Light levels in the room seem to be concentrated in the area closest to the windows and almost completely absent in the opposing side where the machinesare located.
Our recommendation would be to adjust the task lighting or over-head lighting so that it is able to cover the area of the room where natural light is currently unable to penetrate.
SUMMARY OF FINDINGS
recommendationS
Both, artificial and natural light is unable to provide adequate light where it is needed at the laser cuttingmachines. The task lamps located next to the machines do not add significant luminance, which makes it more difficult for the machine user to accomplish his/her tasks.
The window shades seem unnecessary, since light does not reside in the locationwhere most work is done.
One benefit the room receives from its location is soft, non-direct natural light. Because the windows face north, natural light bounces off the face of the opposingbuilding, and into the CAD/CAM space (see photo 1 & 2). However, a short wall partition and pertruding machine ducts prevent most of this potential light from reaching the end of the room (see photos 3 & 4).
NARRATIVE DESCRIPTION
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POSITION OF SUN DURING SUMMER SOLSTICE
POSITION OF SUN DURING WINTER SOLSTICE
Vertical Sun Shade
Ventilation Ducts causes additional obstruction
North-Facing Fenestration for Indirect sun exposure
Partition causes major light obstruction
LASER CUTTING AREA
WORK SPACE
1
23
4
SCALE 3/8” = 1’-0”
Open Plan for natural light exposure
NOON
AM
PM
AM
NOON
PM
N
0
10
20
30
40
50
60
70
80
Table atWindow
LargeWorkstation
Comp Station1
Comp Station2
Comp Station3
Back Table Table NearEntry
POINT OF MEASUREMENT
TASK LIGHTING TOOL: Illuminance MeterArti�cial Lighting
ILLUMINANCE(lux)
0
10
20
30
40
50
60
70
Table atWindow
LargeWorkstation
Comp Station1
Comp Station2
Comp Station3
Back Table Table NearEntry
TASK LIGHTING TOOL: Illuminance MeterNatural Daylighting
SURFACE BRIGHTNESS TOOL: Luminance Meter Natural Daylighting
POINT OF MEASUREMENT
ILLUMINANCE(lux)
0
20
40
60
80
100
120
140
160
180
200
cd/m2
cd/m2
1 2 3 4 5 6 partition8 9 10 11 12
DATA POINTS: North to South (approx. 3’ apart)
DATA POINTS: North to South (approx. 3’ apart)
SURFACE BRIGHTNESS TOOL: Luminance MeterArti�cial Lighting
0
20
40
60
80
100
120
140
1 2 3 4 5 6 8 9 10 11 12partition
Optimum Computer Task Lighting(50-100 lux) SOURCE: IES
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