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1' <br /> LANDMARK ENTERPRISENGS, INC. <br /> 11138 HANNAWAY DR. <br /> RIVERVIEW, FL 33578 <br /> DATE: 5/10/18 <br /> PARK PLACE SEVEN <br /> JOB NO: 5346 <br /> BUILDING SIZE: <br /> WIDTH 80 ft. <br /> LENGTH 125 ft. <br /> EAVE HT 20.67 ft. <br /> JOB SITE: ZEPHYRHILLS, FL 33540 <br /> To Whom It May Concern: <br /> This Letter of Design Certification ensures that primary and secondary <br /> framing furnished by Metal Building Manufacturer are designed in accordance <br /> with information specified to Metal Building Manufacturer on the order documents <br /> and summarized by loading information below. <br /> DESIGN LOAD CRITERIA: <br /> Building Code:FBC 17/6th Edition <br /> Roof Dead Load(D) : 2.000 psf plus wt. of metal bldg structure <br /> Roof Live Load(Lr): 20.00 psf <br /> Tributary Live Load Reduction:Yes <br /> Collateral Load(C) 3 psf Seismic Use Group II - Normal <br /> Building Risk Category II - Normal Seismic Site Class D <br /> Wind Speed Ultimate 140 mph Mapped Response (Ss) 0.0690 <br /> Nominal 108.44 mph Mapped Response (S1) 0.0350 <br /> Wind Exp. Cat B. Design Response (Sds) 0.0736 <br /> Serviceability Wind 10 -year MRI Design Response (Shc) 0.0560 <br /> Enclosure Type Enclosed Rigid Frame (Cs) 0.0100 <br /> Internal Wind Coef. -0.1610.18 Design Category (SDC) A <br /> Seismic Importance 1.00 <br /> COMPONENTS & CLADDING (unfactored) <br /> Wall Field Suction -34.930 psf <br /> Wall Edge Suction -42.910 psf <br /> REFERENCE DESIGN STANDARDS: <br /> *AISC Specification for Structural Steel Buildings-Allowable stress design, 360-10. <br /> *AISI North-American Specification for the Design of Cold-Formed Steel Structural <br /> Members, 2012 Edition. <br /> *MBMA Low Rise Building Systems Manual,Latest Edition. <br /> *AISC Design Guide 3,"Serviceability Design Consideration for <br /> Steel Buildings,Second Edition" <br /> *AWS Latest Edition of Structural Welding Code-Steel. <br /> * FBC 17/6th Edition are using the ASCE7-10. <br /> This certification is limited to the structural design of the frames, <br /> secondary, and roof/wall covering manufactured or supplied by Metal Building <br /> Manufacturer only and ecludes Accessory items such as doors, windows,louvers, <br /> translucent panels, and ventilators. This certification specifically excludes <br /> an-, `ounriaticc, nasonry, erection of building and general contract '.work. <br /> The undersigned is not the engineer of record for the overall project. <br /> Sincerely, <br /> Ashok A.Patel, P.E. "Al <br /> No.73653 <br /> STATE O10 <br /> '<< <br /> Iq Al <br /> �1f1ii;11 ��� <br />