HomeMy WebLinkAboutEngineering R1 3 ;t,j 1 2 2 2015,
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Mechanical Electrical Civil Engineering
�` 1984 S.W. Biltmore St. Suite#114
L C;OPort Saint Lucie, FL 34984
Phone(772) 785 - 9888
Email pwelchinc@aol.com
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Re: Valle Re-Roof
10725 S. Ocean Drive Unit 67
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
ASCE?-10
PROJECT DATA:
BUILDING HIEGHT= 9'-0"
A=3'
MEAN ROOF HIEGHT=<15'
ROOF ANGLE=3:12
SHAPE=PITCHED GABLE
RVIPROTANCE FACTOR= 1.00
WIND;.VELOCITY V uit= 165 MPH
WIND VELOCITY V asd= 124 MPH
EXPOSURE=D
ENCLOSURE CLASS =ENCLOSED BUILDING
INTERNAL PRESSURE COEFFICIENT=-0.18
A PAT.TFTI TTPT.TFT n CTl-'N PDTi CCTTDFC nm CT f1PTi n Dnniv (nafl•
ZONE 1 (Field)=-44.7
ZONE 2(Perimeter/Ridge)_-75.5
ZONE 3 (Comers)_-110.8
Pl
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= aul ch L� cg No e~�9945
March 18;2016
10725 S.Ocean Drive Unit 67 Jensen Beach,FL 34957 ` 1'of 3_
ATTA!`AMFNT T?F(1TTTi?FMG'NTC
Metal roofing to be attached with#9- 15 x 1 Y2"long(minimum Y4"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.(7yrne l.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 l7Pcion nnliff PrPce11rw - 111 n nef
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.
TTNiIFAT.A VMG'NT lnn+:nn fEl l•
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 D 1970 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.
"W-W TNCT A T.T.A 9rTf1N•
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
1
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Paul We1ch� 45
Marchi 8,.
10725 S.Ocean Drive Unit 67 Jensen Beach,FL 34957 2 of 3
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A=3'
ZONE DESIGNATION(TYPICAL)., ;=
NOTE: CONTINUOUS APPROVED LAP SEALANT MUST BE USEDJ!tAMAIL•PANEL
SIDELAPS FOR SLOPES LESS THAN 3:12.
Pad� �1ck P_ Reg No '9.945
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10725 S.Ocean Drive Unit 67 Jensen Beach,FL 34957 :,� c��`.;5��'�-,,F .1�, . 3 of 3