HomeMy WebLinkAboutEngineering RECEIVED MAR 2-2 2016
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
March 21,2016 Copy
Re: Abel Re-Roof
10725 S. Ocean Drive Unit 65
Jensen Beach,FL 34957
SC0PK0F°WORKs
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=4:12
SHAPE=PITCHED GABLE '
1MPROTANCE 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 lusfl:
ZONE 1 (Field)=-44.7
ZONE 2(Perimeter/Ridge)_-75.5
ZONE 3 (Corners)_-110.8
?aul Welch Inc.
Paul 1A P.E. Reg.No.29945
March 21 2016
'`i•"':� � mea k _�
10725 S.Ocean Drive Unit.65 Jensen Beach,FL 34957 1 of 3
ATTACH ENT REOUIREMENTS•
Metal roofing to be attached with#9- 15 x 1 Y2"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
Zone 3 Design uplift Pressure: - 131.0 psf
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.
UNDERLAYMENT(option#1):
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.
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# 5259.1),
manufacturer's specifications,and the Florida Building Code 2014.
Paul Welch Inc.
`Paul.Welch P.E. Reg.No.29945
-March 21,2016
F
4
Al
10725 S.Ocean Drive Unit 65 Jensen Beach,FL 3495` 2;t` ` �• ''i ;� 2 of 3
i
j .
I
I
Z �/
�i
i
I T
ROOF ZONE PLAN
A=3'
Q 2),03 =ZONE DESIGNATION(TYPICAL)
NOTE: CONTINUOUS APPROVED LAP SEALANT MUST BE USED AT ALL PANEL
SIDELAPS FOR SLOPES LESS THAN 3:42. '-\ !► i i?r .
-Paul Welch Inc.
Pahl.Witch P.E. Reg.No. 29945
. 11Vlarch 21,2016
10725 S.Ocean Drive Unit 65 Jensen Beach,FL 34957�,c 3 of 3