6920 SEAWAY BLVD 2023 Plans 2025-11-04

I _ _ 1XVW A IronRidge August 1,2022 AR 1 ISAAN Starling Madison Lofquist, Inc. Mr.Corey Geiger Page 38of76 E LE CTR I G c o n s u l r i n x S u J u c r u T a l and I o J e n s i c I o t:!n v e J 5 Ground Mounting System—Structural Analysis—4 Module(1R1000) II I I RENEWABLE ENERGY SOLUTIONS 3600 E. University Dr.Suite 1400, Phoenix,Arizona 85034 8619 NEBRASKA STREET SEAMtel:(602)438-2500 fax:(602)438-2505 ROC#291316 www.smleng.com i�iuT-"s Notes for Tables 1 &2: EAX(T)6V nI rM'WARTTS VUCT=;-00V IronRidge August 1,2022 1. = Indicated region denotes the requirement for(3)three NR1000 rails. ARTISAN OFMKINLo�A U 28357Industrial Boulevard Page I of 76 Hayward,CA 94545 ® = Indicated region denotes special requirements for 1R1000 rails—contact IronRidge. Attn:Mr.Corey Geiger,VP New Markets,IronRidge Inc. 2. Cross pipe splices not pennitted in outer 2/3 of end spans,or the middle 1/3 of interior spans based N on the installed attachment spacing(Limtau). See Figure A V Subject: Ground Mounting System—Structural Analysis—4 Module(1R1000) 3. End cantilever span of pipe rails(max)=0.40 x maximum spats(LmaY)front above tables. See z z Figure A Q Q Q Dear Sir: 4. When installations occur on a N-S grade,the design slope of the array shall be determined as the slope relative to level ground. Code required topographic effects have not been considered. O W 'Ale have analyzed the subject ground mounted structure and determined that it is in compliance with the Topographic(Wind)Factor=1.0(no topographic effects) U g applicable sections of the following Reference Documents: 5. Dead Load(Weight)=3 psf LLB O U) 6. Maximum PV Module Dimension=80" (Tables IA-2F) J Codes:ASCE/SEi 7-10 Min.Design Loads for Buildings&Other Structures 86" (Tables 10-2L) LLB I (n ASCE/SEI 7-16 Min.Design Loads for Buildings&Other Structures 92.5"(Tables 1A4-2R W O International Building Code,2015 Edition = International Building Code,2018 Edition End Span Interior Span End Span a Other: AC428,Acceptance Criteria for Modular Framing Systems Used to Support PV J Modules,dated Effective November 1,2012 by ICC-ES LL Aluminum Design Manual,2015 Edition IronRidge Exhibit E1-0001 0.4 Imo,.,TYP —41/3 L,,,TYP A / The structure is a simple column(pier)and beam(cross pipe)system.The piers&cross pipes are ASTM Fi t�ure A53 Grade B standard weight (schedule 40)steel pipes or Allied Mechanical Tubing. Please refer to L.—=Maximum pier spacing provided in the tables above for the project design criteria Exhibit EX-0001 for approved pipe geometry and material properties.The tops of the piers are connected L,,=Actual installed pier spacing J/( its the E-W direction by the cross pipes which cantilever over and extend past the end piers. The cross ® =Indicates region of the pipe rail where splice may be installed 2-1-23 pipes are connected by proprietary IronRidge XR1000 Rails spanning up and down the slope which EXP 2242025 cantilever over and extend past the top and bottom cross pipes. There are typically two rails per column of modules. The modules are clamped to the rails by the IronRidge Module Mounting Clamps as shown To avoid potential problems from the effects of thermal expansion,a nnaxinmum total continuous cross in the attached Exhibit. pipe length of 100 ft is recommended. DATE 441M PROJECT MG: DAWN PARR DEOGNEOBY: Gravity loads are transferred to the piers and foundations by the rails and cross pipes acting as simple DRAWN BY. beams. For lateral loads the system is either a cantilever structure or,when diagonal braces are provided. Notes for CAMO module clannp installation: ENGAPP oEA a braced frame. The effect of seismic loads(for all design categories A-F)have been detennined to be PROJECT NO, less than the effect due to wind loads in all load conditions and combinations. 1. Single module installation("orphan modules")shall not be pennitted with the ground mount REVAM's system when CAN10 clamp is used.Reference Figure 1 on following page for"Orphan Module" DATE: DErCRPTM Tine pier spacing in the N-S direction is 7'-6". The pier spacing in the E-W direction is selected from load i»stallatiat. tables detennined by the structural design for the specified slope, wind load, and snow load. The governing criteria for the pier spacing is either the spanning capacity of the cross pipes or the cantilever 2. CAMO clamps will function within a module's design load ratings.Be sure the specific module capacity of(lie pier. Simplified Load Tables I A-R&2A-R are included herein for reference. being used with the CAMO clamp meets the dimensional requirements shown in Figure 2 on the following page,is a module listed in IronRidge's installation manual,and that the module More comprehensive information covering all load combinations is available at the IronRidge website, selected is suitable for the environmental conditions of a particular project. IronRidge.cont. li Starling Madison Lofquist,inc. Consulting Structural and Forensic Engineers Starling Madison Lofquist,Inc. Consulting Structural and Forensic Engineers -38- WIND&SEISMIC ENGINEERING T E ENGINEERING STAMPS PV32