HomeMy WebLinkAboutEx_10_Photometric_ReportPhotometric Report
Date:January 31, 2025
Subject:Crew Shelter Lighting Report
Project Name Apron R Crew Shelter and Tool Cabana, Renton, WA
Boeing Project Number:WO# B0158618
Apron R is designated by City of Renton as a Shoreline high intensity –isolated lands –
overlay district. All lighting shall be designed and operated per the Illuminating
Engineering Society North America (IESNA) RP-43-22 Lighting Exterior Applications,
IESNA LP-11-20 Environmental Considerations for Outdoor Lighting, and Renton
Municipal Code 4-3-090D-2e. Lighting shall be designed to prevent glare, avoidance of
light sources that shine directly onto the water disturbing adjacent aquatic and wetland
life, and limits of light levels on luminaires when not in use. Exterior luminaires shall
include full cut off devises where applicable such that glare or direct illumination does
not extend into water bodies.
All Crew Shelters shall have luminaires mounted no higher than 8’-0” above finished
grade, LED, 4000K, 70+CRI and shall be aimed toward grade with full cut off shielding
emitting no light above nadir. Maximum values for Backlight, Uplight, and Glare (BUG)
not to exceed B1-U0-G1 for a Lighting Zone (LZ) 2.
Crew Shelters R2, R3, R10, and R11 have no direct line of sight for luminaires adjacent to
the waterfront and will have no impact emitting incident illumination onto the water.
Crew Shelters R12 and R13 have direct line of sight for luminaires adjacent to the water
front and are projected to cast 0.1 footcandles of incident illumination onto the water
front as far as 30ft from the crew shelters. There currently no maximum or minimum
illuminance levels for light trespass indicated in the code.
If you have any questions, please contact this office.
Sincerely,
Säzän Group Inc.
Krystle Smith, LC, WELL AP, MIES
Lighting Associate
Photometric Report
the Seattle office.
O: 206.267.1700
Docusign Envelope ID: 6BFD5F36-E5AA-4F5D-9CAD-4567CCEC6B34