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HomeMy WebLinkAboutLetter of Certification 10.14.2019rt1 360 14th Street Ambridge, PA 15003 10/14/2019 Re: Sukup Steel Structures Job No. S -R EXTRACTIONS LLC 340 CHIPPERFIELD LANE SILT CO 81652 Building A Building B 30 ft Wide a 8ft Wide x 100 ft Long x 100 ft Long x Phone 724-266-6484 Fax 724-266-6510 LETTER OF CERTIFICATION 21280 16 ft E.H., 4.0:12 Roof Slope 16 ft E.H., 4.0:12 Roof Slope To Whom It May Concern: This is to certify that the above referenced building is designed in accordance with the following Loads and building Code using AISC10 and AISI S 100-12 specifications. The load combinations used for design are from the applicable section of the building code listed below. All welding is per the American Welding Society (AWS) specifications. Loads are applied in accordance with the Metal Building Manufacturers Association standard "Metal Building Systems Manual," latest edition unless otherwise noted below. Design Code IBC 2015 Building Risk Category II (Is = 1.00 Ie = 1.00 ) Dead Load 3 psf Collateral Load 1 psf Live Load 20 psf Trib. Reduction No Snow Design Data Wind Design Data Ground Snow Load (Pg) 57.20 psf Ultimate Wind 115 mph Building A Roof Snow Load (Pr) 40.04 psf Building B Roof Snow Load (Pr) 45.05 psf Exposure C Snow Exposure Factor (Ce) 1.00 Building A Enclosure Closed Building A Thermal Factor (Ct) 1.00 Building B Enclosure Partially Enclosed Building B Thermal Factor (Ct) 1.20 Internal Pressure Coeff 0.18 / -0.18 Sloped Factor (Cs) 1 Basic Design Pressure 25.47 psf Maximum Snow Drift Load N/A Earthquake Design Data Mapped Spectral Response Acceleration Ss = 0.311 S1 = 0.080 Spectral Response Coefficients Sds = 0.322 Sdl = 0.128 Site Class D Seismic Design Category B Design Base Shear V = Cs * W Seismic Response Modification Coefficients Cs (OMRF) = 0.107 Cs (OCBF) = Response Modification Factors R (OMRF) = 3.00 R (OCBF) = Basic Force resisting system Steel Systems Not Specifically Detailed for Seismic Resistance Analysis Procedure Used Equivalent Lateral Force Procedure Other Loads All framed openings are designed to support a maximum of: 5 psf Door/Accessory Weight Mezzanine N/A DL psf LL psf Crane N/A Capacity ton 0.107 3.00 This Letter of Certification applies solely to the building and its component parts as furnished by Sukup Steel Structures and specifically excludes any foundation, masonry, or general contract work to include erection certification. The design and certification for this project is in accordance with the provisions and loads specified on the building order. The buyer is responsible to verify that the specified loads are in compliance with the local regulatory authorities. Sincerely, Christopher Jones P.E. OCT 232019