HomeMy WebLinkAboutEngineer letterPAUL 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
May 14, 2020
Re: Re -Roof
15810 Orange Ave.
Fort Pierce, FL
SCOPE OF WORK:
Remove existing roofing. Install new Metal Roof (Extreme Metal Fabricators, LLC "PBR Max
Rib" FL#20745.2)
DESIGN CRITERIA:
FBC 2017
ASCE?-10
BUILDING HIEGHT = 20'-0"
A= 3'
MEAN ROOF HIEGHT = <14'
ROOF ANGLE = 2:12
SHAPE = PITCHED GABLE
ADJUSTMENT FACTOR = 1.00
IMPROTANCE FACTOR = 1.00
WIND VELOCITY V ult = 160MPH
WIND VELOCITY V asd = 124 MPH
EXPOSURE = C
ENCLOSURE CLASS = ENCLOSED BUILDING
INTERNAL PRESSURE COEFFICIENT = -0.18
APPLIED UPLIFT DESIGN PRESSURES PER ASCE (PSF):
ZONE I (Field) = -28.1
ZONE 2 (Perimeter/ Ridge) = -44.0
ZONE 3 (Comers) = --67.7
15810 Orange Av. Fort Pierce, FL
Paul Welch Inc.
Paul Welch P.E. Reg. No. 29945
May 14, 2020
I of 3
METAL ROOFING ATTACHMENT REQUIREMENTS:
Metal Roofing shall be attached in strict accordance with product approvals attached to this
letter.
ZONE I (Field): Attached per product approval Method I or 2.
(purlins 60" max spacing)
ZONE 2(Perimeter/ Ridge): Attached per product approval Method I or 2.
(purlins 60" max spacing)
ZONE 3 (Comers): Attached per product approval Method 2.
(purlins 24" max spacing)
Design uplift Pressure for attachment as per above:
Product Design Pressure:
Zones 1& 2: -45.5
Zone 3: -105 PSF
Therefore O.K.
All work to be in compliance with product approval (FL 4 20745.2), manufacturer's
specifications, and the Florida Building Code 2017.
15810 Orange Av. Fort Pierce, FL
Paul Welch Inc.
Paul Welch P.E. Reg. No. 29945
May 14, 2020
2 of')
! A I'tt
15810 Orange Av. Fort Pierce, FL
ROOF ZONE PLAID
A=3'
ZONE DESIGNATION (TYPICAL)
Paul Welch Inc.
Paul Welch P.E. Reg. No. 29945
May 14, 2424
3 of 3
5/14/2020 Florida Building Code Online
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2017
FL#
20745.2
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FL#
Type
Manufacturer
Validated By.
Status
FL20745-
Revision
J
Extreme Metal Fabricators, LLC
FL#: FL20745.2
Zachary R. Priest,
P. E.
Approved
R1
Histo
I
Model: (2) PBR MAX
(813) 480-3421
Description: 26 gauge steel, lapped roof panel mechanically attached to
steel purlins
i
Category: Structural Components
Subcategory: Roof Deck
-Approved by Ubf'K. Approvals by L)bPK Snail be reviewed and ratified by the POC and/or the Commission it necessary.
Contact Us :: 2601 Blair Stone Road, Tallahassee FL 32399 Phone: 850-467-1824
The State of Florida is an AA/EEO employer. CSpy0 ht 2007-2013 State of Florida.:: Privacy Statement :: Accessibility Statement :: Refund Statement
Under Florida law, email addresses are public records. If you do not want your e-mail address released in response to a public -records request, do not send electronic
mail to this entity. Instead, contact the office by phone or by traditional mail. If you have any questions, please contact 850.487.1395. *Pursuant to Section 455.275(1),
Florida Statutes, effective October 1, 2012, licensees licensed under Chapter 455, F.S. must provide the Department with an email address if they have one. The emails
provided may be used for official communication with the licensee. However email addresses are public record. If you do not wish to supply a personal address, please
provide the Department with an email address which can be made available to the public. To determine if you are a licensee under Chapter 455, F.S., please click here .
Product Approval Accepts:
MIMMIRM
https://www.floridabuilding.org/pr/pr_app_lst.aspx 1/1
Palm City, FL >#
(772)872-8034
Compliant with Florida Building Code 2017 (Wh ed.)
Compliant: QualityAssurancei
Yield strength: 50 ksi min.; Attached to Steel Purlins with screws.
36" Coverage
Rib height -1/4"
Corrosion Resistant Compliant: FBC Sec. 1507.4.3
Fastener for, Method 1 Attachment: 12 — 14 x 1-1/4" Hex -Washer Head, self-drilling� scre
with WSW to penetrate 3/4" min. thru bottom of support (thru flange of steel purlins).
a '
WSW is penetrate imin. thrubottomofsupportofsteelit
t To be compliants
_•'iShall be in compliancesSec.1
Install Details: Table A Allowable Loads
METHOD 1
METHOD 2
DESIGN PRESSURE*
-45.5 PSF
-105 PSE
PURUN SPACING
60"
24"
FASTENER SPACING (ALONG PANEL WIDTH)
See Details
See Details.
FASTENER SPACING (ALONG PANEL. LENGTH)
20" .
12"
FASTENED SIZE:
12-14 X 1-1/4"
14 X 7/8"
SPAN CONDITION
3 OR MORE
3 OR MORE
Reference Data: ARCHITECTURAL TESTING, INC. TST ID##:1527
ASTIVI E 1592-051 Test Report F8274.02-450-44
Equivalency Statement. 1. The ASTM E 1592-05 is equivalent to test standard ASTM E 1592-12.
*DESIGN PRESSURE SAFETY MARIGIN = 2:1
Certificate of Independence:
Locke Bowden, P.E. does not have, not will acquire a financial interest In jR.saompapy manufacturing or distributing products
under this evaluation, _ f�
Locke Bowden, P.E. isnot owned, operated, or controlled by any'�ar�y9t�iS}tfacafu�'er, distributing products under this
report. ^! �` "• ':
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sez
rid 08 �` l_�J.#
Limitations:
1.Underlayment to becompliance with current Florida Building Code (FBC)0176th ed'
2. Minimum slope to be compliant with Florida Building Code 2017 81h ed., and per with Manufacturer's installation reference.
3. Products are compliant for State of Florida product approval per Rule 61 G20-3. Compliance Method: 1 -D
4. Engineering analysis for "project specific approval by local authorities w/ jurisdiction is allowed by other rogiobanad engineers.
5. Fina classification is not port of this acceptance. Shear diaphragm values are outside this report.
6. Support framing in compliance w/FBC 2017 61h ed., Chapter 22 Steel, Chapter 23 Wood and Chapter 16 Structural Loading.
7. This report does not imply warranty, installation, recommended product use outside of this report.
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