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
September 8, 2016
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
214 Beach Ave.,St Lucie County, Florida
Manufacturer: Johns Manville
Profiles: JM Built-Up Roof Systems, NOA#16-0413.06
Code: FBC 2014;Section R905
Wind Speed: 160 MPH; Ultimate Design Wind Speeds
Exposure: B
Mean Roof Height: 20'Maximum
Pitch: 6â/12"
Required Design Pressure: Zone1:-38.2 Zone 2:-S2.5 Zone3:-101.4
Maximum Uplift Pressure: Zones 1&2:-52.5 @ 9"O.C.&12"O.C.,Zone 3:-105.1 @ 4"O.C.&6"O.C.
Base: (Option#1) Min.two plies of PermaPly 28 or Ventsulation simultaneously fastened to
the deck lapped 4"and fastened with approved rooting nails and tin caps 9"O.C.at the
lap and two rows staggered in the center of the sheet 12"O.C.Zone 1&2. Zone 3
min.two plies of PermaPly 28 or Ventsulation simultaneously fastened to the deck
lapped 4"and fastened with approved roofing nails and tin caps 4"O.C.at the lap and
two rows staggered in the center of the sheet 6"O.C.
Membrane: One of more plies of APPeX 4.5M or APPeX 4.5M FR heat welded while maintaining 4"
side laps and 6"end laps.
Ply Sheet: (Optional)One or more plies of JM APP Base of APPeX 4S heat welded while
maintaining 4"side laps and 6"end laps.
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,
64 kâ
Peter B.Cook-
Cook&Menard Architecture, Inc.
Florida Registration No. AA0003494, NCARB Certification No. 31789