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RECEIVED OCT 2 8 2016
PAUL WELCH INC.
Mechanical Electrical Civil Engineering
1984 S.W. Biltmore St. Suite#114
Port Saint Lucie,FL 34984
Phone(772) 785 - 9888
E-mail pweichinc@aol.com
October 24,2016
Re: Residential Re-Roof
6699 Dulee Real Av.
Fort Pierce;FL
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SCOPE OF WORK:
Remove existing shingle roofing and install new Metal Roof(Extreme Metal Fabricators,LLC
"5-V Crimp"FL#17022.1)at above referenced address over new underlayment, and existing
plywood sheathing.
DESIGN CRITERIA:
FBC 2014
ASCE?-10
PROJECT DATA:
BUILDING HIEGHT= 10'-0"
A=3'
MEAN ROOF HIEGHT=<20'
ROOF ANGLE=4:12
SHAPE=PITCHED GABLE
ADJUSTMENT FACTOR= 1.00
RAPROTANCE FACTOR= 1.00
WIND VELOCITY V ult= 160MPH
WIND VELOCITY V asd= 124 MPH
EXPOSUR F=C
ENCLOSURE CLASS =ENCLOSED BUILDING
INTERNAL PRESSURE COEFFICIENT=-0.18
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APPLIED UPLIFT DESIGN PRESSURES PER ASCE (PSF):
ZONE 1 (Field) =730.7
ZONE 2 (Perimeter/Ridge)_-53.5
ZONE 3 (Corners)'_-79.1 Paul VETelch Inc.
Paul Welch P.E. Reg_ .No.29945
O%tober 24 2016
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6699 Dulce Real Av. Fort Pierce,FL Y';
METAL ROOFING ATTACIIMENT REQUIREMENTS:
Metal roofing to be attached with corrosion resistant Hex-Head wood screws#10 z 1
minimum with weather sealing washers(minimum 3/16"penetration through deck). Fasteners
shall be placed through the panel ribs at 12"on center across panel width and spacing along the
ribs as follows:
ZONE 1 (Field): FASTENER SPACING= 16" O.C.
ZONE 2(Perimeter/Ridge): FASTENER SPACING= 16"O.C.
ZONE 3 (Comers): FASTENER SPACING= 16"O.C.
Design uplift Pressure for attachment as per above:
Product Design Pressure: Zones 1, 2 &3 : -93.5 PSF
Therefore O.K.
UNDERLAYMENT:
Underlayment shall be in accordance with manufacturer's guidelines, FBC 1507.4.5.1, and FBC
15074.5.2.
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DECK Il`TSTALLI AT.1ON:
Re-nail all plywood sheathing(15/32"thick minimum)with 8D ring-shank nails at 4" O.C.
perimeter and 6" O.C.field for all zones.
All work to be in compliance with product approval (FL# 17022.1),manufacturer's
specifications, and the Florida Building Code 2014.
Paul Welch Inc.
Paul Welch P.E. Reg.No.29945
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6699 Dulce Real Av. Fort Pierce,FL 2 of 3
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ROOF ZONE PLAN
A=3'
ZONE DESIGNATION(TYPICAL)
NOTE:ALL ZONES REQUIRE SAME ATTACHMENTS.
Paul Welch Inc.
Paul.WelchP E Reg.No. 29945
ti''� _ October 24,2016
6699 Dulce Real Av. Fort Pierce,FL
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