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AUTHORIZATION TO MARK Applicant: Manufacturer: Address:Address: Country:Country: Contact:Contact: Phone:Phone: FAX:FAX: Email:Email: Standard(s): Product: Brand Name: Models: XR Rails with Integrated Grounding. IronRidge Roof Mount XR Rails for Thomas J. Patterson, Certification Manager This document supersedes all previous Authorizations to Mark for the noted Report Number. This Authorization to Mark is for the exclusive use of Intertek's Client and is provided pursuant to the Certification agreement between Intertek and its Client. Intertek's responsibility and liability are limited to the terms and conditions of the agreement. Intertek assumes no liability to any party, other than to the Client in accordance with the agreement, for any loss, expense or damage occasioned by the use of this Authorization to Mark. Only the Client is authorized to permit copying or distribution of this Authorization to Mark and then only in its entirety. Use of Interteks Certification mark is restricted to the conditions laid out in the agreement and in this Authorization to Mark. Any further use of the Intertek name for the sale or advertisement of the tested material, product or service must first be approved in writing by Intertek. Initial Factory Assessments and Follow up Services are for the purpose of assuring appropriate usage of the Certification mark in accordance with the agreement, they are not for the purposes of production quality control and do not relieve the Client of their obligations in this respect. Intertek Testing Services NA Inc. 545 East Algonquin Road, Arlington Heights, IL 60005 Telephone 800-345-3851 or 847-439-5667 Fax 312-283-1672 UL Subject 2703 Outline of Investigation for Rack Mounting Systems and Clamping Devices for Flat-Plate Photovoltaic Modules and Panels, Issue Number: 1, October 4, 2010 Party Authorized To Apply Mark: Same as Manufacturer Report Issuing Office: Lake Forest, CA Control Number: 4008083 Authorized by: (800) 227-9523 (480) 967-2038 (707) 459-1833 (480) 829-0838 yschwarz@ironridge.com andy@precisiondie.com IronRidge, Inc.Precision Die & Stamping, Inc. 1495 Zephyr Ave Hayward, CA 94544 1704 W. 10th Street Tempe, AZ 85281 USA USA Yann Schwarz Andy Frola This authorizes the application of the Certification Mark(s) shown below to the models described in the Product(s) Covered section when made in accordance with the conditions set forth in the Certification Agreement and Listing Report. This authorization also applies to multiple listee model(s) identified on the correlation page of the Listing Report. This document is the property of Intertek Testing Services and is not transferable. The certification mark(s) may be applied only at the location of the Party Authorized To Apply Mark. Page 3 of 3 ATM for Report 101541132LAX-002 ATM Issued: 24-Apr-2015 ED 16.3.15 (1-Jan-13) Mandatory 5224 South 39th Street, Phoenix, Arizona 85040 tel: (602) 438-2500 fax: (602) 438-2505 ROC#291316 www.smleng.com Starling Madison Lofquist, Inc. Consulting Structural and Forensic Engineers IronRidge February 17, 2017 1495 Zephyr Ave Page 1 of 20 Hayward, CA 94544 Attn: Mr. David F. Taggart, Vice President Products Subject: IronRidge XR100 Rail, Roof Flush Mounting System Structural Analysis Dear Sir: We have analyzed the IronRidge XR100 Rail for the subject solar module support system and determined that, for the configurations and criteria described below, it is in compliance with the applicable sections of the following Reference Documents: Codes: ASCE/SEI 7-10 Min. Design Loads for Buildings & Other Structures California Building Code 2016 Edition Other: AC428, Acceptance Criteria for Modular Framing Systems Used to Support PV Modules, dated Effective November 1, 2012 by ICC-ES Aluminum Design Manual, 2015 Edition The IronRidge XR100 Rail is an extruded aluminum section with an overall depth of 2.438 in. and a net area of 0.583 sq.in. The rails are used to support solar modules, typically, on the roof of a building. See Exhibit 0011 attached. The modules are clamped to the rails by the IronRidge Module Mounting Clamps as shown in the attached Exhibit. The rails are attached to aluminum angle brackets that are either attached directly to the roof framing or attached to a stand that is screwed to the roof framing. The rails are mounted across the slope with a small clearance (flush mounting) to the underlying roof structure. The installed solar modules are at the same slope as the underlying roof structure. All loads are transferred to the roof framing through the angle brackets by simple bi-axial flexure of the rails. The maximum span of the rails is governed by either the mid-span flexural stresses or the deflection requirement that the rail not come into contact with the roof. The effect of seismic loads (for all design categories A-F) have been determined to be less than the effect due to wind loads in all load conditions and combinations. Therefore, the maximum allowable spans for common load cases are shown in the tables below. Tables 1A-9A are for modules with a maximum long dimension of 67.5 inches and Tables 1B-9B are for modules with a maximum long dimension of 78.5 inches. 2606 S. Pacific Ave.07/01/22