HomeMy WebLinkAboutESGN2015-3419Exterior Night Photometric Survey Report - Taco Casa LED Sign Grapevine, TX 76051
Survey Type Exterior Nighttime Light Level Survey Date: Mon Sept 12th, 2022
Location Grapevine, TX 76051
ATTN: Aaron Pracht
Project
Retail Photometric Survey - Grapevine
Date
SURVEY DATE: Fri Aug 26th 2022
Customer
Legacy Signs of Texas
Time
9:05 PM
Attention
Aaron Pracht - Director of Operations
Phone
940.783.0721 Aaron Pracht
Location
525 NW Hwy Grapevine TX, 76051
Phone
817.431.5700 Carson Saffle
Travel
included
Email
Testing: Photometric Survey per City of Grapevine Ordinance Sections 55, 60 (Non -Residential Districts / Streets 3.0 fc max)
Unit Used Foot-candles (fc)
MEASUREMENT LOGISTICS
Horizontal readings at no more than 6" high were made after 9:05 PM which is more than 1 hour after sunset and 1 hour before sunrise.
Meter employed was a calibrated Extech LT300 Serial # 160327190 with color & cosine correction and an accuracy rating which meets the
requirements of +/- 5 %.
CONDITIONS
Visibility according to the National Weather Service before and after the survey was 10 nautical miles. (Requirement is 6 miles)
Illumination Levels (moving straight East)
I
Property Line Facing NW Hwy
I
IS feet 0.28 fc
I
110 feet 0.46 fc
I
115 feet 0.61 fc
20 feet 0.74 fc
25 feet 0.68 fc
30 feet 0.67 fc
Recommend PASS as the illumination from the'sign isless than 3 fc on the propertv.11ne facing NW Hwy: /
According to Mr. Don Dixon,1ED signs falls under Grapevine' Section 60 B 2n for Electronic Messa ns:
Consultant Joel -Anthony Gray BSEE, CIH, CSP, CHMM Master Electrician
46--
214.912.4691
www.emfsurvey.com ScanTech Technical Consulting director@scantech7.com