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PAUL WELCH INC.
Mechanical Electrical Civil Engineering
1984 S.W. Biltmore St. Suite#114
Port Saint Lucie, FL 34984
Phone(772) 785 -9888
Email pwelchinc@aol.com
August 25,2016
Re: Salopek Re-Roof
10725 S. Ocean Drive Unit 275 i
Jensen Beach,FL 34957
SCOPE OF WORK:
Remove existing roofing and install new 5-V Crimp Metal Roof(Gulf Coast Supply&
Manufacturing FL# 11651.13) at above referenced residence address over new underlayment
and existing plywood sheathing.
DESIGN CRITERIA: ,
FBC 2014
ASCE7-10
PROJECT DATA:
BUILDING HIEGHT= 18'
A=3'
MEAN ROOF HIEGHT=<30'
ROOF ANGLE=3:12
SHAPE=PITCHED HIP
IMPROTANCE FACTOR= 1.00
WIND VELOCITY V ult= 165 MPH
WIND VELOCITY V asd= 124 MPH
EXPOSURE=D
ENCLOSURE CLASS=ENCLOSED BUILDING
INTERNAL PRESSURE COEFFICIENT=-0.18
APPLIED UPLIFT DESIGN PRESSURES ON SLOPED ROOF (usf1:
ZONE 1 (Field)=-44.7
ZONE 2 (Perimeter/Ridge)_-75.5
ZONE 3 (Comers)_-110.8
Paul Welch Inc.
Pau_1 Welch P.E. Reg.No. 29945
August 25,2016
10725 S.Ocean Drive Unit 275 Jensen Beach,FL 34957' - 1 of 4
METAL ROOFING ATTACHMENT REQUIREMENTS:
Metal roofing to be attached with#9- 15 x 1 %2"long(minimum %a"penetration through
plywood sheathing)Woodgrip screws with weather sealing washers spacing as follows:
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ALL FASTENERS IN THE FLAT OF THE PANEL
ZONE I (Field):
Fasteners adjacent to ribs one side(Type 1 per product approval) at 16" O.C.
ZONE 2 (Perimeter/Ridge):
Fasteners adjacent to ribs one side (Type 1 per product approval) at 16" O.C.
ZONE 3 (Corners):
Fasteners adjacent to ribs both side(Type 2 per product approval) at 16" O.C.
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Zones 1 &2 Design uplift Pressure: -94.25 psf
Zone 3 Design uplift Pressure: - 131.0 psf
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Zones 1 &2: 94.25 >75.5>44.7 Therefore O.K.
Zone 3: 131.0> 110.8 Therefore O.K.
NOTE: CONTINUOUS APPROVED LAP SEALANT MUST BE USED AT ALL PANEL
SIDELAPS FOR SLOPES LESS THAN 3:12.
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UNDERLAYMENT:
Underlayment shall be Tri-Built Roofing Products FL# 16048.1 "Tri-Built S/A HT TU".
While priming is optional, TRI-BUILT recommends priming the deck if the final roof cover is
not slated for installation within 24 hours. i
Apply sheet parallel to the roof edge. Roll out approximately 10 ft of membrane and peel back
the first 3 ft of release film.
Adhere the exposed part to the substrate and unroll the remaining membrane as far as possible.
Once the entire length of membrane is in place,peel-off the release f hn diagonally while
holding the membrane tight. Firmly roll the membrane into place to;achieve a bond.Horizontal
seams should be minimum 3-inches, configured to shed water.Vertical seams should be 6inches
and staggered not less than 2-ft from vertical seams in the course below.All-over-granule end-
laps shall be sealed using either heat-welding or hot air welding techniques.-Tor Valleys and
Ridges: Cut underlayment into 4 to 6 foot lengths. Peel the release-paper ailiieenter sheet over
valley or ridge. Drape and press sheet into place,working fron .the center of the valley Jor ridge
in each direction. For valleys,apply the sheet starting at the lowest point-arid work upward.
PAUL WELCH INC.
MECH-ELECT-CI
10725 S.Ocean Drive Unit 275 aolviFk /r 2 of4
PORT SAINT LUCIE, FL 34984
PAUL WELCH P.E.
FLA RFG NO.29945
AUS 2 5 2b16
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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# 11651.13), (FL# 10648.1),
manufacturer's specifications, and the Florida Building Code 2014.
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- - Paul'Welch Inc.
ul:Welch:P.EReg.No. 29945
August 25 2016
10725 S.Ocean Drive Unit 275 Jensen Beach,FL 34957 -'✓^ ^`\ 3 of 4
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ROOF ZONE PLAN
A=3'
QQQ,Q=ZONE DF,SIGNA77ON(TYPICAL)
NOTE: CONTINUOUS APPROVED LAP SEALANT MUST BE USED AT ALL PANEL
SIDELAPS FOR SLOPES LESS THAN 3:12.
- Paul Welch Inc.
Paul Welch-P.E. Reg.No. 29945
-A 9-Ust25,2016
10725 S.Ocean Drive Unit 275 Jensen Beach,FL 34957 - 4 of 4
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