HomeMy WebLinkAboutLETTER FROM PAUL WELCHJanuary 25, 2019
Re: Douglas Re-Ro
10725 S Ocean
Jensen Beach,I
Install new Metal Roof (
referenced address over i
DESIGN CRITERIA:
FBC 2017
ASCE7-10
PROJECT DATA:
BUILDING HIEGHT = ]
A= 3'
MEAN ROOF HIEGHT
ROOF ANGLE = 3:12
SHAPE = PITCHED GA
ADJUSTMENT FACTO]
IMPROTANCE FACTO]
WIND VELOCITY V uit
WIND VELOCITY V asd
EXPOSURE = D
ENCLOSURE CLASS =
INTERNAL PRESSURE
ZONE I (Field) = -40.3
ZONE 2 (Perimeter/ Ri(
ZONE 3 (Corners) = -9!
PAUL WELCH INC.
Mechanical Electrical Civil Engineering
1984 S.W. Biltmore St. Suite#114
Port Saint Lucie, FL 34984
Phone (772) 785 - 9888
E-mail pwelchinc@aol.com
.262
34957
JAN 2 8 2019
ST. Lucie Countypermitting
SCANNED
BY
St. Lucie County
T V s A' ■e.
eme Metal Fabricators, LLC "5-V Crimp" FL #17022.1) at above
underlayment, and existing plywood sheathing.
>-0„
<20'
LE
= 1.00
= 1.00
165MPH
=128 MPH
NCLOSED BUILDING
:OEFFICIENT = -0.18
[GN PRESSURES PEP
i = -68.0
Paul Welch Inc.
Paul Welch P.E. Reg. No. 29945
January 25, 2019
10725 S Ocean Dr. 262 Jensen
FL / 1 of3
Metal roofing to be atta
minimum with weather
shall be placed through
ribs as follows:
ZONE I (Field): FAS
ZONE 2 (Perimeter/ I
ZONE 3 (Comers): E
NOTE: PROVIDE
SLOPES UNDER 3
Design uplift Pressure foi
Product Design Pressure:
Therefore O.K.
UNDERLAYMENT:
Undedayment shall be in
15074.5.2. Underlavment
Re -nail all plywood sl
perimeter and 6" O.C.
All work to be in coml
specifications, and the
d with contusion resistant Hex -Head wood screws_#10.x 1 %"
ling washers (minimum 3/16" penetration through deck). Fasteners
panel ribs at 12" on center across panel width and spacing along the
Z SPACING = 16" O.C.
FASTENER SPACING = 16" O.C.
IER SPACING = 8" O.C.
SEALANT FOR ALL ROOF PANEL LAPS FOR ROOF
tT.:12 HORZ.
attachment as per above:
Zones 1 & 2:-93.5PSF / Zone 3: -1 O1PSF
dance with manufacturer's guidelines, FBC 1507.4.5.1, and FBC
be 30# Roofing Felt.
ag (15/32" thick minimum) with 8D ring -shank nails at 4" O.C.
for all zones.
with product approval (FL # 17022.1), manufacturer's
L Building Code 2017.
lI
10725 S Ocean Dr. 262 Jensen Beach, FL
i
Paul Welch Inc.
Paul Welch P.E. Reg. No. 29945
January 25, 2019
2of3
>d
NOTE: PROVIDE LAP
SLOPES UNDER 3 VE]
10725 S Ocean Dr. 262 Jensen
ROOF ZONE PLAN
A=3'
ZONE DESIGNATION (TYPICAL)
;ALANT FOR ALL ROOF PANEL LAPS FOR ROOF
.:12 HORZ.
Paul Welch Inc.
Paul Welch P.E. Reg. No. 29945
January25, 2019
3 of3