HomeMy WebLinkAboutEngineering 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 pwelchinc@aol.com
July 7,2017
Re: Dellacroce Re-Roof
10851 S Ocean Dr. 121
Jensen Beach,FL 34957
SCOPE OF WORK:
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
ASCE7-10
PROJECT DATA:
BUILDING HIEGHT= 10'-0"
A=3'
MEAN ROOF HIEGHT=<20'
ROOF ANGLE=7:12
SHAPE=PITCHED GABLE
ADJUSTMENT FACTOR= 1.00
IMPROTANCE FACTOR= 1.00
WIND VELOCITY V ult= 165MPH
WIND VELOCITY V asd= 128 MPH
EXPOSURE=D
ENCLOSURE CLASS=ENCLOSED BUILDING
INTERNAL PRESSURE COEFFICIENT=-0.18
APPLIED UPLIFT DESIGN PRESSURES PER ASCE(PSF):
ZONE 1 (Field)=-40.3
ZONE 2 (Perimeter/Ridge) _-68.0
ZONE 3 (Corners)_-99.8 . '`Pahl Welcli'Inc ..;,.
Paul'Welch+?.E. Reg."No 29945
my 7,,2017
10851 S Ocean Dr. 121 Jensen Beach,FL ' ~1 of,3
METAL ROOFING ATTACHMENT REQUIREMENTS:
Metal roofing to be attached with corrosion resistant Hex-Head wood screws#10 x 1
minimlim`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 (Corners): FASTENER SPACING= 8 -O.C..
NOTE:PROVIDE LAP SEALANT FOR ALL ROOF PANEL LAPS FOR ROOF
SLOPES UNDER 3 VERT. :12 HORZ.
Design uplift Pressure"for attachment as per above:
Product Design Pressure: Zones 1 &2: -93.5PSF/Zone 3: -101PSF
Therefore O.K.
UNDERLAYMENT:
Underlayment shall be in accordance with manufacturer's guidelines,FBC.1507.4.5.1, and FBC
15074.5:2.Underlayment shall be 30#Roofing Felt.,
DECK INSTALLATION:
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. R o. 2 eg. .,N 9945
July-7,2017
10851 S Ocean Dr. 121 Jensen Beach,FL 2-of 3
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ROOF ZONE PLAN
A=3'
(1),02 ,0=ZONE DESIGNATION('TYPICAL)
NOTE: PROVIDE LAP SEALANT.FOR ALL ROOF PANEL LAPS FOR ROOF
SLOPES UNDER 3 VERT. :12 HORZ.
Paul-Welch Inc.
Paul Welch P.E. Reg.No. 29945
July 7,2017
10851 S Ocean Dr. 121 Jensen Beach,FL j 3 of 3
1 41 1 K0
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FL# Type Manufacturer Validated By Status
FL17022- Revision Extreme Metal Fabricators,LLC. Michael John Approved
E�6 FL#:FL17022.1 Rierner,P.E.
History Model: I-"5V Crimp"(116) (561)414-7557
Description:26 Gauge steel,3/8"rib height,24"wide lapped roof
panel mechanically attached to Wood Deck with screws
Category:Roofing
L 1. Subcategory:Metal Roofing
Approved by DBPR.Approvals by DBPR shall be reviewed and ratified by the POC and/or the Commission If necessary.
Contact Us::2601 Blair Stone Road.Tallahassee Fl,32399 Phone:850-487-1824
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