HomeMy WebLinkAboutEngineering COOK & MENARD ARCHITECTURE INC.
806 Delaware Avenue, Fort Pierce, Florida 34950
PHONE(772)460-7751 or(772)460-4244
EMAIL cookmenard@yahoo.com
November 24,2015
St. Lucie County Building Department '
Attn: Re-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
761 Lomas St.,,Port Saint Lucie, FL
Manufacturer: Johns Manville Corporation
Profiles: App Modified Bitumen NOA#: 13-0129.03
Code: 2014 Florida Residential Building Code;Section R905.10
Wind Speed: 160 MPH; Ultimate Design Wind Speeds
Exposure: B
Mean Roof Height: 30' Maximum
Pitch: 1/4"
Required Design Pressure: Zone1:-38.2 Zone 2:-59.7 Zone3:-101.4
Design Pressure: Zonel:-52.5 Zone 2:-105 Zone3:-157.4
Membrane: One or more plies of APPeX 4.5M FR heat welded while maintaining 4"side laps
&6"end laps.
Fasteners: 11 GA.Annular ring shank nails
Underlayment: Minimum two plies of JM. PermaPly 28 simultaneously fastened through the
insulation to the deck with JM Ultrafast fasteners& Metal Plates spaced @ 9"o.c. in a
4"lap& 12"o.c. in two staggered rows in the center of the sheet zone 1, @ 9"o.c. in a
4" lap&8"o.c. in two staggered rows in the center of the sheet zone 2,4"o.c. in a
4"lap&6"o.c. in two staggered rows in the center of the sheet zone 3,
Roof Decking: Existing 5/8"plywood sheathing to be nailed w/8d x2"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 Zone3
The above approved,as per Florida product evaluation and,2010 Florida Building Code and the Manufacturer's
recommendations.
Respectfully Submitted,
Peter B. Cook
Cook&Menard Architecture, Inc.
Florida ReGistration No. AA0003494, NCARB Certification No. 31.789