3000 ROCKEFELLER AVE ADMIN BLDG WEST 2022-05-13

Exterior Li • htin • LTG-EXT 2015 Washington State Energy Code Compliance Forms for Commercial Buildings including R2,R3,R4 over 3 stories and all R1 Revised August 2016 Project Title: Snohomish County Courthouse Renovation Date 5/11/2018 • Exterior Lighting Zone 1 Zone 2 • Zone 3 Zone 4 For Building Department Use Zone Table C405.5.2(1) Specified by jurisdiction. Zone selection required to enable LTG-EXT form Calculation Area Addition- • Addition - stand alone " +existing Alteration with<50% Alteration with z 50%ext. - ext.wattage replaced wattage replaced Bui Id ing Grounds __ Efficacy>80 lumens/watt '__ Exemption Applies to luminaires> 100 Watts ,__'Controlled by motion sensor Tradable Maximum Allowed Lighting Wattage NOTE I Base Site Allowance: 750 Area(fe),perimeter Allowed Watts Allowed Watts Tradable Surfaces Surface Description (If)or#of items per ft2 or per If x ft2(or x If) -Entry Canopies Entry Plaza 1989 0.4 W/ft2 796 Entry Canopies Entry Plaza-ADA Ramp 422 0.4 W/ft2 169 Stairways Entry Plaza 63 1.0 W/ft2 63 Total Allowed Tradable+Site Allowance Watts: 1778 Tradable Proposed Lighting Wattage NOTE 2 Number of Watts per Watts Tradable Surface Fixture Description NOTE 3,a Fixtures Fixture NOTE 5 Proposed Entry Canopies L22 8 34 272 Entry Canopies L26 94 7 658 Entry Canopies L27 3 27 81 • Stairways L23 2 6 12 Total proposed tradable watts may not exceed the sum of total allowed tradable Total Proposed Tradable Watts: 1023 watts plus the base site allowance. Any base site allowance not needed to make tradable watts comply can be applied to individual non-tradable categories. Non-Tradable Maximum Allowed Lighting Wattage"OTE' Site Allowance Remaining: 750 Area(ft2),perimeter Allowed Watts Allowed Watts Non-Tradable Surfaces Surface Description (If)or#of items per ft2 or per If x ft2(or x If) Non-Tradable Proposed Lighting Wattage NOTE 2 Number of Watts per Watts Non-Tradable Surface Fixture Description NOTE 3,4 Fixtures Fixture NOTE 5 Proposed Non-tradable proposed watts may not exceed allowed watts for any individual Non-Tradable Watts Exceeding LPA: 0 surface unless the total excess watts for all non-tradable surfaces are less than the remaining site allowance. Remaining Site Allowance: 750 Exterior Lighting COMPLIES WITH MAX. ALLOWANCE Note 1-List all unique exterior sufaces per Table C405.5.2(2)that occur in the project scope.Select exterior surface categories from drop down menu. Note 2-List all proposed lighting fixtures including existing-to-remain fixtures. • Note 3-For proposed Fixture Description,indicate fixture type,lamp type,number of lamps in the fixture,and ballast type(if applicable). Note 4-Existing-to-remain fixtures shall be included in the Tradable and Non-Tradable Proposed Lighting Wattage tables in the same manner as new fixtures.Identify as existing in fixture description. Note 5-For proposed Watts/Fixture enter the luminaire wattage for installed lamp and ballast using manufacturer or other approved source.For luminaires with screw-in lamps,enter the manufacturer's listed maximum input wattage of the fixture(not the lamp wattage).For low voltage lighting,enter the wattage of the transformer.