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HomeMy WebLinkAboutEngineering COOK & MENARD ARCHITECTURE INC. 806 Delaware Avenue, Fort Pierce, Florida 34950 PHONE(772)460-7751 FAX(772)460-4244 EMAIL cookmenard@yahoo.com August 11,2016 Contractu, St. Lucie County Building Department Attn: Roof Permit Plan Review 2300 Virginia Avenue Ft. Pierce, FL 34982 Re: Roofing specification prepared for the St. Lucie County Building Dept.for the structure located at 156 NE Solida Drive.,St Lucie County, Florida Manufacturer: Polyglass USA, Inc. Profiles: Modified Bitumen Roof Systems, NOA#13-1217.01 Code: FBC 2014;Section R905 Wind Speed: 160 MPH; Ultimate Design Wind Speeds Exposure: B Mean Roof Height: 20' Maximum Pitch: %"/12" Required Design Pressure: Zonel:-42.1 Zone 2:-50 Zone3:-96.3 Maximum Uplift Pressure: Zones 1&2:-52.5 @ 8"O.C.,Zone 3:405.1. @ 4"O.C. Base: One ply of Elastobase fastened to the deck as described below: Fastening: Attach base sheet using 11 ga.annular ring shank nails and 1-5/8"diameter tin caps spaced 8"o.c. in a 4"lap and 8"o.c.in three equally spaced staggered rows in the center of the sheet Zone 1&2.Zone 3 attach base sheet using 11 ga.annular ring shank nails 1-5/8"diameter tin caps spaced 4"o.c., in a 4" lap and 4" o.c. in three equally spaced staggered rows in the center of the sheet. Membrane: One ply of Polyfresko G SBS SA self-adhered or one ply of Polyflex G,torch-applied Ply Sheet: One of more plies of Elastoflex SA V Elastroflex SA V FR self-adhered Roof Decking: Existing 5/8"plywood sheathing to be nailed w 8d x 2"ring shank nails @ 6"O.C.thru out Zone 1,4"O.C. perimeter&6"O.C.field Zone 2,and 4"O.C.thru out Zone 3. The above approved,as per Florida Building Code Compliance acceptances, 2014 Florida Building Code,and the Manufacturer's recommendations. Respectfully Submitted, Peter B.Cook Cook& Menard Architecture, Inc. Florida Registration No. AA0003494, NCARB Certification No. 31789