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Lumio <br /> LUMIO <br /> 1550 DIGITAL DR,LEHI,UT <br /> P784043,USA <br /> structural structural <br /> ENGINEERS ENGINEERS <br /> Components and Cladding Roof Zones: <br /> November 3,2021 The Components and Cladding Roof Zones shall be determined based on ASCE 7-10&7-16 Component and SYSTEM INFO <br /> Cladding design. (11)Q CELLS <br /> Unirac <br /> 1411 Broadway Blvd. NE Notes: (400w) + <br /> ENPHASE <br /> Albuquerque,NM 87102 IQ8PLUS 72 2-US(240V) <br /> 2) Risk Category II per ASCE 7—unless otherwise specified. <br /> 3)Topographic factor,kzt is 1.0—unless otherwise specified. DC SYSTEM SIZE:4.400 kWDC <br /> Attn.:Unirac-Engineering Department 4)Array Edge Factor YE=1.5 AC SYSTEM SIZE:3.300 kWAC <br /> Re: Engineering Certification for the Unirac NXT Horizon System U-builder Software 5)Average parapet height is 0.0 ft. <br /> 6)Wind speeds are LRFD values. <br /> PZSE, Inc.-Structural Engineers has reviewed the NXT Horizon System,a proprietary mounting system 7)Attachment spacing(s)apply to a seismic design category E or less. REVISIONS <br /> constructed from modular parts which is intended for rooftop installation of solar photovoltaic(PV)panels; DESCRIPTION DATE REV <br /> Design Responsibility: <br /> and the Unirac NXT U-builder Online tool.All information,data and analysis contained within are based on, <br /> and comply with the following codes and typical specifications: The U-Builder design software is intended to be used under the responsible charge of a registered design <br /> professional where required by the authority having jurisdiction.In all cases,this U-builder software should <br /> 1. Minimum Design Loads for Buildings and other Structures,ASCE/SEI 7-05,ASCE/SEI 7-10,ASCE/SEI 7- be used under the direction of a design professional with sufficient structural engineering knowledge and <br /> 16 experience to be able to: <br /> PROJECT NAME&ADDRESS <br /> 2. 2006-2018 International Building Code,by International Code Council, Inc.w/Provisions from SEAOC <br /> • Evaluate whether the U-Builder Software is applicable to the project,and <br /> PV-2 2017. Q <br /> 3. 2006-2018 International Residential Code,by International Code Council,Inc.w/Provisions from Understand and determine the appropriate values for all input parameters of the U Builder U) <br /> SEAOC PV-2 2017. software. Z) <br /> 4. AC428,Acceptance Criteria for Modular Framing Systems Used to Support Photovoltaic(PV) Panels, p <br /> November 1,2012 by ICC-ES. This letter certifies that the Unirac NXT Horizon system,when installed according to the U-Builder 04 <br /> S. Aluminum Design Manual 2010&2015 Edition(s),by the Aluminum Association. engineering report and the manufacture specifications,is in compliance with the above codes and loading <br /> criteria. Z (��I LOQ <br /> Q 00 (00 <br /> Following are typical specifications to meet the above code requirements: This certification excludes evaluation of the following components: W � O <br /> 1) The structure to support the loads imposed on the building by the array;including,but not limitedU U o W o <br /> Design Criteria: Ground Snow Load=0-100(psf) to:strength and deflection of structural framing members,fastening and/or strength of roofing W CL W oN <br /> Basic Wind Speed=90-190(mph) materials,and/or the effects of snow accumulation on the structure. C) *k > LO <br /> Roof Mean Height=0-60(ft) 2) The capacity of the solar module frame to resist the loads. J (/) W 000 <br /> W W U uj N <br /> Roof Pitch=0-45(degrees) W <br /> Exposure Category=B,C&D This requires additional knowledge of the building and is outside the scope of the certification of this racking U O W <br /> Z <br /> Cantilever: Maximum cantilever length is L/3,where"L"is the span noted in the U- system. 0- Q Q <br /> Builder online tool. If you have an questions on the above,do not hesitate to call. K. Zq C,� 1:Y Y q of WAsg F F— <br /> Clearance: 2"to 10"clear from top of roof to top of PV panel. �� �L'� N <br /> Prepared by: <br /> Installation Orientation: See NXT Horizon Installation Guide. j <br /> PZSE, Inc.—Structural Engineers <br /> Landscape-PV Panel long dimension is parallel to the rail. Roseville,CA3203' w O <br /> Portrait-PV Panel short dimension is parallel to the rail. OA tAsV, ti r <br /> �ssIONAL E ' <br /> DATE:7/1/2023 <br /> EXPIRES 09/02/2023 SHEET NAME <br /> EQUIPMENT <br /> SPECIFICATIONS <br /> SHEET SIZE <br /> 1478 Stone Point Drive,Suite 190, Roseville, CA 95661 1478 Stone Point Drive,Suite 190, Roseville, CA 95661 ANSI B <br /> 916.961.3960 916.961.3965 W www.pzse.com 1ot2 916.961.3960 916.961.3965 www.pzse.com 2of2 11° X 17" <br /> experience I iiiitgg iry I Empoweim(eii <br /> SHEET NUMBER <br /> PV-19 <br />