3530 COLBY AVE COCOON HOUSE 2020-01-13

Exterior Lighting 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: COCOON HOUSE YOUTH CENTER Date 10/6/2017 Exterior Lighting For Building Department Use O Zone 1 0 Zone 2 U Zone 3 ❑Zone 4 Zone Table C risdic (1) ion. Zone selection required to enable LTG-EXT form Specified by jurisdiction. Calculation Area O O Addition- 0 Addition stand alone +existing O Alteration with<50% O Alteration with>_50%ext. ext.wattage replaced wattage replaced Building Grounds ❑Efficacy>80 lumens/watt ❑Exemption Applies to luminaires> 100 Watts ❑Controlled by motion sensor Tradable Maximum Allowed Lighting Wattage NOTE' Base Site Allowance: 750 Area(ft2),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 Level 1 Canopies 1293 0.4 W/ft2 517 Total Allowed Tradable+Site Allowance Watts: 1268 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 A3-Led Recessed Down Light 3 18 54 Total proposed tradable watts may not exceed the sum of total allowed tradable Total Proposed Tradable Watts: 54 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"It' 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) Bldg. Facade Level 1 Building Facade 538 0.15 W/ft2 81 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 • Bldg.Facade A2-Led Wall Sconce 19 27 513 Bldg.Facade Al -LED Wall Security Pack 2 12 24 Non-tradable proposed watts may not exceed allowed watts for any individual Non-Tradable Watts Exceeding LPA: 456 surface unless the total excess watts for all non-tradable surfaces are less than the - remaining site allowance. Remaining Site Allowance: 294 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 fom 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 applcable). 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 scarce. 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.