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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 pwelchinc@aol.com
Re: Blair Re-Roof
10725 S. Ocean Drive Unit 519
Jensen Beach, FL 34957
SCOPE OF WORK:
remove existing roofing and'instali=w5--V`Crimp Mviem— Roof(Gulf Coast Suppll &
Manufacturing FL# 11651.13)at above referenced residence address over new underlayment
and existing plywood sheathing
DESIGN CRITERIA:
FBC 2014
ASCE?-10
PROJECT DATA:
BUILDING HIEGHT=9'-0"
A=3'
MEAN ROOF HIEGHT=<15'
ROOF ANGLE=3:12
SHAPE=PITCHED GABLE
HVIPROTANCE 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 (Comers)_-110.8
T7Ile1ch
Paul We1ih=P:E:Reg.No 29945
- Maich 18,20-6
10725 S.Ocean Drive Unit 519 Jensen Beach,FL 34957 J =* 1 of 3
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Metal roofing to be attached with#9 - 15 x 1 %2"long(minimum VV 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 adincent to ribs one side(Tune 1 ner nroduct annroval) 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
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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 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.
PaaWe1ch,P.E Reg:-No:29945
March;i 8;-X016
2 of 3
10725 S.Ocean Drive Unit 519 Jensen Beach,FL 34957 %J ; = ~
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ROOF ?l11►Ti, PI.A N
A=3'
{1 ,02,T3, =ZONE DESIGNATION(TYPICAL)
NOTE: CONTINUOUS APPROVED LAP SEALANT MUST BE USED AT ALL PANEL
SIDELAPS FOR SLOPES LESS TITAN 3:12.
Paul-Welch P.F:1 e�:Na. 299_45
-March 1-8,2016 ==
3 of 3
10725 S.Ocean Drive Unit 519 Jensen Beach,FL 34957 - ''