HomeMy WebLinkAboutEngineering • RSC IY70 MAR 29 2016
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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
March 28,2016
Re: Reese Re-Roof
5000 Avienda Ave.
Fort Pierce,FL 34946
SCOP OF WO-RI-K:
Remove existing roofing and install new Standing Seam Metal Roof(Metal Sales Manufacturing
Corporation FL# 11560:4)at above referenced residence address over new underlayment and
existing plywood sheathing. (Flat Roof Not Included)
DESIGN CRITERIA:
FBC 2014
ASCE?-iv
PROJECT DATA:
BUILDING HIEGHT= 8'-0"
A=3'
MEAN ROOF HIEGHT=<15'
ROOF ANGLE=4:12
SHAPE=PITCHED HIP/GABLE
HAPROTANCE FACTOR= 1.00
WIND VELOCITY V ult= 160 MPH
WIND VELOCITY V asd= 124 MPH
EXPOSURE=C
ENCLOSURE CLASS=ENCLOSED BUILDING
INTERNAL PRESSURE COEFFICIENT=-0.18
APPLIED UPLIFT DESIGN PRESSURES ON SLOPED ROOF 0st):
ZONE 1 (Field)=-31.9
ZONE 2(Perimeter/Ridge)_-53.9
ZONE 3 (Corners)_-79.2 1
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`t Paul Welch P.E.Reg.No. 29945
1Vlarch 28,2016
1 of 3
5000 Avienda Av.Fort Pierce,FL
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ROOFING fTA CUM RF01_ Fn lv rc•
Metal roofing to be attached with#10- 12 x 1 Y2"long(minimum 1/4"penetration through
plywood sheathing)pancake head screws along the panel seam.
ALL ZONES :
Screws spaced at 24" on center along the seam of the panel.
Product Design LTpli-ft Pressure-: -84?5psf
79.2 < 84.25 Therefore O.K.
MERLAYMENT:
Underlayment shall minimum ASTM D226 Type II installed with a minimum 4"side-lap and 6"
end-laps. Underlayment shall be fastened with corrosion resistant tin-caps and 12Ga 1 Ila"
annular ring-shank nailsS»ace 66"(D.C. at ll laps and two staggered rmvs at 12"O C i ts�
field of the roll or any approved underlayment having a current NOA.an approved underlayment
and installed per roof manufacturer's guidelines in compliance with FBC 1507.4.5.
DECK INSTALLATION:
Re-nail all plywood sheathing(15132"thick minimum)with 8D ring-shank nails at 4"O.C.
narimetar awnyri "O.C. eld Lor all Zones
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All work to be in compliance with product approval (FL# 11560.4),manufacturer's
specifications, and the Florida Building Code 2014.
P-11 Wel
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Paul Welch P.E.Reg.No. 29945
March 28,2016
5000 Avienda Av,Fort Pie.me,FT, 2 of 3
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A=3'
1D ,03 =ZONE DESIGNATION(TYPICAL)
NOTE:ALL ZONES REQUIRE SAME ATTACHMENTS.
PamWelch TLnc.
Paul Welch P.E. Reg.No. 29945
March 28,2016
3 of 3
5000 Avienda Av.Fort Pierce,FL /