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Mechanical Electrical Civil Engineering
1984 S.W.Biltmore St. Suite#114
Port Saint Lucie,FL 34984
Phone(772)785 -9888
Email pwelchffic@aol.com.
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Re: Blair Re-Roof
10725 S. Ocean Drive Unit 519
Jensen Beach,FL 34957
SCOPE OF WORK:
Remove existing roofing and�insialr new 5-V Crimp ivietai Roof(Gulf coast Supp' &
Manufacturing FL# 11651.13) at above referenced residence address over new underlayment
and existing plywood sheathing
DESIGN CRITERIA:
FBC 2014
ASCE?-10
PROJECT IATA:
BUILDING HIEGHT=9'-0"
A=3'
MEAN ROOF HIEGHT=<15'
ROOF ANGLE=3:12
SHAPE=PITCHED GABLE
DAPROTANCE 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
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ZONE 1 (Field)=-44.7
ZONE 2(Perimeter/Ridge)_-75.5
ZONE 3 (Corners)_-110.8
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-Paul Welch P.E.Reg.-,Nb.--29945
- W-c418,2016,
1 of 3
10725 S.Ocean Drive Unit 519 Jensen Beach,FL 34957 `: _ _
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Metal roofing to be attached with#9- 15 x 1 %2"long(minimum V4"penetration through
plywood sheathing)Woodgrip screws with weather sealing washers spacing as follows:
ALL FASTENERS IN THE FLAT OF THE PANEL
ZONE 1 (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.
Zones 1 &2 Design uplift Pressure: -94.25 psf
7nnP I T)P.A n nnlifl Pr .Q-.nrP.- - 111 n naf
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 shall be Polyglass USA,Inc. FL#5259.1 "Polystick TU Plus". Polystick TU Plus
shall be installed in compliance with the codified requirements for ASTM D1970 underlayment
in FBC Section 1507. All seal-lap seams must be firmly rolled with a minimum 281b.hand roller
to ensure full contact and adhesion.
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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# 5259.1),
manufacturer's specifications, and the Florida Building Code 2014.
Paul Welch P.E. Reg.I,To.29945
M&616 i k'_2016--
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10725 S.Ocean Drive Unit 519 Jensen Beach,FL 34957 2 of 3
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A=3'
1Q,Q(3,=ZONE DESIGNATION(TYPICAL)
NOTE: CONTINUOUS APPROVED LAP SEALANT MUST BE USF.D,A.T ALL PANEL
SIDELAPS FOR SLOPES LESS THAN 3:12.
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haul Welch 1--E.Reg.96.29945
1Vla.J� j 201-Fi
10725 S.Ocean Drive Unit 519 Jensen Beach,FL 34957 ti --
% 3 of 3