HomeMy WebLinkAboutSCOPE OF WORK METAL ROOFy 1.
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
December 14, 2017
Re: Neubauer Re -Roof
1186 Nettles Blvd.
Jensen Beach, FL 34957
SCOPE OF WORK:
Install new Metal Roof (Extreme Metal Fabricators, LLC "5-V Crimp FL #17022.1) at above
referenced address over new underlayment, and existing plywood sheathing.
DESIGN CRITERIA:
FBC 2014
ASCE7-10
PROJECT DATA:
BUILDING HIEGHT = 10'-0"
A= 3'
MEAN ROOF HIEGHT = <25'
ROOF ANGLE = 4:12
SHAPE = PITCHED HIP
ADJUSTMENT FACTOR = 1.00
IMPROTANCE FACTOR = 1.00
WIND VELOCITY V ult=165MPH
WIND VELOCITY V asd = 128 MPH
EXPOSURE = D
ENCLOSURE CLASS = ENCLOSED BUILDING
INTERNAL PRESSURE COEFFICIENT = -0.18
APPLIED UPLIFT DESIGN PRESSURES PER ASCE (PSF):
ZONE 1' (Field) = -40.3
ZONE 2 (Perimeter/ Ridge) = -68.0
ZONE 3 (Corners) = -99.8 Paul Welch Inc.
'Paul Welch P.E. Reg. No. 29945
December 14, 2017
1186 Nettles Blvd. Jensen Beach, FL
1 of 3
METAL ROOFING ATTACHMENT REQUIREMENTS: ,
Metal roofing to be attached with corrosion resistant Hex -Head wood screws #10 x 1
minimum with weather sealing washers (minimum 3/16" penetration through deck). Fasteners
shall be placed through the panel ribs at 12" on center across panel width and spacing along the
ribs as follows:
ZONE 1 (Field): FASTENER SPACING =16" O.C.
ZONE 2 (Perimeter/ Ridge): FASTENER SPACING =16" O.C.
ZONE 3 (Corners): FASTENER SPACING = 8" O.C.
NOTE: PROVIDE LAP SEALANT FOR ALL ROOF PANEL LAPS FOR ROOF
SLOPES UNDER 3 VERT.:12 HORZ.-
Design uplift Pressure for attachment as per above:
Product Design Pressure: Zones 1 & 2:-93.5PSF / Zone 3:-101PSF
Therefore O.K.
UNDERLAYMENT:
Underlayment shall be in accordance with manufacturer's guidelines, FBC 1507.4.5.1, and FBC
15074.5.2. Underlayment shall be Approved 30# Roofing Felt.
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 # 17022.1), manufacturer's
specifications, and the Florida Building Code 2014.
Paul Welch Inc.
Paul Welch P.E. Reg: No. 29945
December 14, 2017
1186 Nettles Blvd. Jensen Beach, FL 2 of 3
pt A
ntw
ROOF ZONE PLAN
A=3'
Q Q, 0 = ZONE DESIGNATION (TYPICAL)
NOTE: ZONE "3 SHOWN ONLY (DIFFERENT ATTACHMENT, ZONES I & 2 REQUIRE ATTACHMENT PER
SHEET2.
NOTE: PROVIDE LAP SEALANT FOR ALL ROOF PANEL LAPS FOR ROOF
SLOPES UNDER 3 VERT. :12 HORZ.
Paul Welch Inc.
Paul Welch P.E. Reg. No. 29945
December 14,2017
1186 Nettles Blvd. Jensen. Beach, FL 3 of 3