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STREETWORKS Outdoor Lighting Solutions 85Cooper Lighting
GR GALLERIA ROUND AREA
GRA91SARS.IES
1000-Watt HPS
140,000-Lumen Lamp
Area Round Sag Glass
FOOTCANDLE TABLE
Select mounting height and read across for footcandle values of
each isofootcandle line. Distance in units of mounting height.
Mounting Footcandle Values for
Height Isofootcandle Lines
ABCDE
GRA91SARS.IES
30' 3.54 2.66 1.77 0.88 0.44
35' 2.60 1.95 1.30 0.65 0.32
40' 2.00 1.50 1.00 0.50 0.25
45' 1.58 1.18 0.79 0.39 0.19
50' 1.28 0.96 0.64 0.32 0.16
GRA91M3DF.IES
30' 3.54 2.66 1.77 0.88 0.44
35' 2.60 1.95 1.30 0.65 0.32
40' 2.00 1.50 1.00 0.50 0.25
45' 1.58 1.18 0.79 0.39 0.19
50' 1.28 0.96 0.64 0.32 0.16
5
4
3
2
1
0
1
2
3
4
5
0 1 2 3 4 5 6 6 5 4 3 2 1
D EC
B
A
5
4
3
2
1
0
1
2
3
4
5
0 1 2 3 4 5 6 6 5 4 3 2 1
A
B
C
D
E
GRA91M3DF.IES
1000-Watt MH
110,000-Lumen Lamp
Type III MCO Flat Glass
2" OR 3" DIRECT MOUNT TENON ADAPTER
ORDERING INFORMATION
Catalog Tenon Fixture
Number Size (In.) Configuration
MA1010 3 1/2 O.D 1 Fixture
MA1011 3 1/2 O.D 2 Fixtures at 180°
MA1012 3 1/2 O.D 3 Fixtures at 120°
MA1013 3 1/2 O.D 4 Fixtures at 90°
MA1014 3 1/2 O.D. 2 Fixtures at 90°
MA1015 3 1/2 O.D 2 Fixtures at 120°
MA1016 3 1/2 O.D 3 Fixtures at 90°
MA1017 2 3/8 O.D 1 Fixture
MA1018 2 3/8 O.D 2 Fixtures at 180°
NOTES: Fitters for other tenon sizes available. Consult your Streetworks representative. Tenon adapter for through
bolt mounted luminaires. Standard adapter is bronze painted steel.
12''
[305mm]
Set
Screws
Top Cap
(“M” Drilling for Arm Mounting)
PHOTOMETRICS [Complete IES files available at www.cooperlighting.com]
MOUNTING CONFIGURATIONS
Spider Mount
Arm Mount Single
Arm Mount 2 @ 180° Arm Mount 2 @ 90°
Arm Mount 3 @ 120°
(Requires 14” Arm)
Round Pole Only
Arm Mount 4 @ 90°
(Requires 14” Arm)
Arm Mount 3 @ 90°
(Requires 14” Arm)
DRILLING PATTERN
TYPE “M”
3/4'' [20mm]
dia. hole
(2) 5/8'' [16mm]
dia. holes
4 7/8'' [124mm]
2 7/16'' [124mm]
2 11/16''
[69mm]
E.P.A. TABLE
SINGLE
DRILL PATTERN [W/Arm where applicable] 2 @ 180° 2 @ 90° 3 @ 90° 3 @ 120° 4 @ 90°
GRA [Arm Mount] 250-400W
“M”
1
2.2 4.4 5.4 7.1 7.1 7.9
GRC [Spider Mount] 250-400W 3" 2.0 n/a n/a n/a n/a n/a
GRA [Arm Mount] 1000W “M”
1
3.0 6.0 7.0 9.5 9.5 10.7
GRC [Spider Mount] 1000W 3" 2.8 n/a n/a n/a n/a n/a
NOTE: 1 Assumes 14" arm for 90° and 120° mounting configurations, 6" for all else.