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EXISTING COBRAHEAD STREET LIGHT
WITH EXTENDED 15' ARM
N 2ND ST - STREET LIGHTING
t 1 11= 20'-0•
P.O. Box 81211
Seattle, WA 98108
patrick@hl.engineeling
(858) 581-0754
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GENERAL NOTES:
A. EXISTING STREET LIGHTS ARE 105W COBRAHEADS ON 30FT POLES WITH 51FT MAST ARMS,
U.O.N. LIGHTS ARE CALCULATED AS SIGNIFY GPLM-64L53ONW-G2-R3M.
B. STREET REFLECTANCE ASSUMED AS 20%.
C. LAMP LOSS FACTOR ASSUMED AS 0.90. DIRT DEPRECIATION FACTOR ASSUMED AS 0.89.
N 2ND ST LIGHT LEVEL REQUIREMENTS: N 2ND ST CALCULATED LIGHT LEVELS:
• SIDEWALK: SIDEWALK:
• MINIMUM: 0.3 FOOTCANDLES (FC) MINIMUM: 0.2 FOOTCANDLES (FC)
• UNIFORMITY: 6:1 UNIFORMITY: 2.7:1
• INTERSECTION: • GARDEN A N 2ND INTERSECTION:
• MINIMUM: 0.8 FDOTCANDLES (FC) SEE GARDEN AVE CALCULATION
• UNIFORMITY: 6:1
• MEADOW SE N 2ND INTERSECTION:
• SEE MEADOW AVE CALCULATION
ALL LIGHT POLE AND JUNCTION BOX CONCRETE
PER STD PLAN 120 ON SHEET CB-7.41
RU WING
Engineering-Esserdials-Delivery
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CITC RENTON
STREET LIGHT WIRING NOTES:
1. CONTRACTOR TO COORDINATE PROVISION AND INSTALLATION OF GROUNDING, NEUTRAL,
AND POWER CABLING REQUIREMENTS WITH THE INFORMATION SHOWN ON THIS SHEET,
WITH THE CITY OF RENTON, AND WITH STANDARD DETAILS ON SHEETS CB-7.31 AND
CB-7.41.
PROJECT NO.: 24004
DRAWN BY: Author
ENGINEERED BY: Designer
N 2ND ST - STREET
LIGHTING
E3.04
T-411611
IN COMPLIANCE WITH CITY OF RENTON STANDARDS
DEVELOPMENT ENGINEERING TRANSPORTATION OPERATION
jchavez 10/15/2020 O cbarnes 10/21/2020
AS -NOTED "' CITY OF CITC HEADQUARTERS
FAH --- RENTON 1300 BRONSON WAY N, RENTON WA 98
BWR DATUM STREET LIGHTING PCHOTOMETRICS
FM1FO' •*NLL Plonning/Building/Public Works Dept. N 2ND ST
N0. REVISION BY DATE APPR AAPN N""'IX41°'N"'
IN>s�i
CB-10.31
Amm, 32 w 58