HomeMy WebLinkAboutProject Information i • •
SUBJECT Lansing Building Products FL PE NO 70667
Pan Certification Sheet 1 of 14
Engineer Joel Falardeau Date 13 October 2016
Lansing Building Products
3" Riser Pan Certification
a
Figure 1: Aluminum pan test stand with full load applied.
Abstract:
This report investigates the structural integrity of the 37x 12"x0.032" aluminum pan.
Rational analysis and full scale material testing were used in determining the allowable
clear span for hurricane wind loads and point loads according to the Florida Building
code, Fifth Edition, and ASCE 7-10. Five panels were assembled with both ends simply
supported with the load concentrated mid-span, as shown in Figure 1. Three-point
bending is achieved with this configuration; plain strain remains plain. Loads were
applied in two steps with vertical displacement values recorded. The fifth pan on the
right tended to show higher displacements than the left and middle locations. This higher
displacement is due to the asymmetry of the pan coupled with this outside edge not being
supported. The measurements on the right side are neglected for this reason. The
displacements would be similar to the left side if stitch screws were installed. This is
taken into consideration when averaging the displacements. For the wind zone based on:
Vint= 130 mph with exposure B,the allowable clear span is 12'-0".
SUBJECT Lansing Building Products FL PE NO 70667
Pan Certification Sheet 2 of. 14 •
Engineer Joel Falardeau Date 13 October 2016
Testin :
Figure 2 show the testing configuration.
r
p �
IyM
ffi
w
1�
Figure 2: Aluminum pan test stand with full load applied.
Testing Material:
Figure 3 shows an aluminum 3" riser (standing seam), 0.032 inches thick industry
standard 5 rib roof panel.
-F
3 I.746 22EO
.000 �
1
.800
t
--120C4
-3" RISER(STANDING SEAM)INDUSTRY STANDARD 5 RIB ROOF PANEL
Figure 3: Detailed view of 3"riser aluminum pan.
i • •
SUBJECT Lansing Building Products FL PE NO 70667
Pan Certification Sheet 3 of 14
Engineer Joel Falardeau Date 13 October 2016
Clear Span:
Figure 4 shows the clear span is 12 ft.
t. 5
Figure 4: Aluminum pan test stand with full load applied.
• 0 d
SUBJECT Lansing Building Products rL PE NO 70667
Pan Certification Sheet 4 of 14
Engineer Joel Falardeau Date 13 October 2016
Boundary Conditions:
Figure 5 shows the ends are simply supported using three #10 screws per pan. Stitch
screws were applied 24 inches on center for the outer panels on both the left and right
sides. This measure is used for wind uplift and gravity loads.
.r.
y.
Figure 5: Movement within the test stand is prevented by two 2"x2"x0.050" patio
beam.
The test stand is kept rigid by a 2"x2"x0.050" patio beam fixed on both sides of the
specimen. The patio beams are spaced away from the pans to avoid conflicts.
SUBJECT— Lansing Building Products FL PE NO 70667
` Pan Certification Sheet 5 of 14
Engineer Joel F led au Date 13 Odob r±O16
. , . . . . .
«�4' . .
Fleur$: Simply su ppot#atboth end of the pan.
Figures 5a6 shows both ends of the test stand are simply supported.
SUBJECT Lansing Building Products FL PE NO 70667
Pan Certification Sheet 6 of '14 '
Engineer Joel Falardeau Date 13 October 2016
Loads:
Loading was applied in two steps; first 75 lb and then 170 lb, see concrete blocks in
Figure 7.
Vertical Displacement Results:
Alm
y
u
Figure 7: Fully loaded test stand.
Figure 7 shows that the displacement on the right pan is considerably higher. This is due
to the asymmetry of the pan with the edge not being supported coupled with edge effects,
as shown in Figure 3.
Results
Table 1: Vertical Displacement of pans for two loads.
Span Left Side Right Side
Load(lb) (ft) Deflection Mid Deflection Deflection Ave.Deflection(in)
Ix(in^4) (in) (in) (in) Ave. Ix (in)^4
75 12 0.06 0.10 044 0.08
Ix 1.53 0.93 - 1.23
170 12 0.24 0.30 0:31 0.27
Ix 0.88 0.71 - 0.80
•
SUBJECT Lansing Building Products FL PE NO 70667
Pan Certification Sheet 7 of 14
Engineer Joel Falardeau Date 13 October 2016
Table 2: Calculated Ix for 12 ft span.
Load Ix Required Ave.Ix Required Test Span Allowable Span
(lb) (in^4) (1104) (ft) (ft)
75 1.23 12.0
170 0.80 1.02 12 12.0
Table 3: Calculated allowable spans for open structures based on Ix determined
from testing.
Safety
Wind Allow Span Factor to
Speed/Exposure Pan Ix(in^4) (ft) Yield
130/B 12.00 2.0
130/C 9.50 2.0
140/13 10.25 2.0
140/C 8.75 2.0
140/D 1.02 8.00 2.1
150/B 10.00 2.0
150/C 8.25 2.0
160/13 9.00 2.0
160/C 7.75 2.0
Table 4: Calculated allowable spans enclosed structures based on Ix determined
from testing.
Wind Allow Span Safety
Speed/Exposure Pan Ix(in^4) (ft) Factor
130/B 12.00 2.0
130/C 9.31 2.0
140/13 10.10 2.0
140/C 8.40 2.0
140/1) 1.02 7.52 2.0
150/13 7.90 2.1
150/C 7.84 2.0
160/B 8.55 2.0
160/C 7.36 2.0
SUBJECT Lansing Building Products FL PE NO 70667
Pan Certification Sheet 8 of 14 '
Engineer Joel Falardeau Date 13 October 2016
Allow Span (ft)
12.00 ,
-
11.00
10.50
10.00
9.50
9.00
8.50
7.50
7.00 !.__ _�.-.._._ _..__ _.-_.._._ �..._._- ------- .__------_._
130/B 130/C 140/B 140/C 140/D 150/B 150/C 160/B 160/C
Figure 8: Allowable span for open structures for various wind speed/zones.
Allow Span (ft)
12.00 -
11.50
I
11.00 _. .._ . ._
10.50
i
10.00
9.50
9.00
8.50
8.00
7.50
,
7.00 ---- -
130/B 130/C 140/B 140/C 140/D 150/B 150/C 160/B 160/C
Figure 9: Allowable span for enclosed structures for various wind speed/zones.
Tables 3 &4 and Figures 8 &9 show the allowable spans calculated based on the IX value
determined from the material testing.
SUBJECT Lansing Building Products FL PE NO 70667
Pan Certification Sheet 9 of 14
Engineer Joel Falardeau Date 13 October 2016
Conclusion:
Three-point bending is achieved with the configuration shown in Figure 1; plain strain
remains plain. The material testing produced some anomalous results on the right side
due to asymmetry of the pan coupled with edge effects. Engineering judgment was used
in interpreting these results. The structural integrity of the pan has been determined by
using material testing and rational analysis.
The results were used to determine the pan stiffness; IX= 1.02 in4. This value was used in
calculating the allowable spans for various wind speeds and exposures shown in Table 3.
SUBJECT Lansing Building Products FL PE NO 70667
Pan Certification Sheet 10 of 14
Engineer Joel Falardeau Date 13 October 2016
Appendix
Design Notes:
1. Design pressures utilized in this document have been calculated per the
requirements of the Florida building code 511 edition (2014) and the ASCE 7-10.
These span tables are applicable for Type II structures as designed,by the 2010
Aluminum Association of Florida design guide.
2. The allowable span tables have been derived using these test results.
3. No 33.3 % increase in allowable stress has been used in the design of this system.
4. The span tables have been prepared using a maximum allowable deflection of
L/60.
5. Linear interpolation in the allowable span tables shall be permitted.
6. These span tables are applicable for single and continuous two span support
conditions.
7. Contact this engineer for deviations from the span tables for site specific
conditions such as multiple continuous span.and other support conditions.
General Notes:
1.This specification has been designed-and shall be fabrication in accordance with
the his
of the Florida Building Code-5th Edition (2014)for use only
outside of the High Velocity Hurricane Zone(HVHZ).
2. Contractor shall investigate and conform to all local building code amendments
which may apply.
3. Panel structural_properties derived from AutoCAD mass properties.
4. This system is not approved for impact resistance from large or small.debris.
5. This system shall be confined to non-habitable areas.
6. The architect/engineer of record for the project"host" structure to which this
design is attached shall be responsible for the integrity of all supporting structures.
7. Separate"site-specific" engineering shall be required in order to deviate from
loads, deflections,or spans contained herein.
S. The contractor shall consider possible additional imposed loads on the roof
system. If such loads exist, appropriate reductions in spans shall be analyzed by a
licensed professional engineer.
9. Fabrication shall be in accordance with approved fabrication methods by
Lansing Building Products.
10. All fasteners to be#10 or larger,SAE grade 5 or better unless otherwise noted.
Fasteners shall be plated or coated with corrosion resistant material and shall
comply with any applicable federal state or laical codes.
11. Concrete anchors noted herein shall be embedded into uncracked concrete only.
Install all concrete anchors per manufacturers recommendations.
12. The contractor is responsible for insulation the member of this system for
dissimilar metals to prevent electrolysis.
SUBJECT Lansing Building Products FL PE NO 70667
Pan Certification Sheet 11 of 14
Engineer Joel Falardeau Date 13 October 2016
13. The contractor.is responsible for weather proofing materials and installations
such as flashing, caulking,etc.
14. Except as expressly provided herein, no additional certifications or affirmations
are intended.
15. Alterations additions or other markings to the documents are not permitted and
invalidate this certification.
16. This system is validated for the structural design as shown only.
17. Use of this specification by contractor, et al indemnifies and saves harmless this
engineer for all costs and damages including legal fee, appellate fees, court costs or
other costs resulting from material fabrication. System erection and construction
practices beyond that which is called for by federal, state and local codes, as well as
from deviations from this specification.
18. Verification of the structural integrity/capacity of the supporting host structure
and support framing elements are the responsibility of the site specific design
professional. The site specific design professional may design additional framing
and/or bracing'to increase spans.
19. Riser pan material shall be 3004H34 or 3105H14 per ASTM B209.
Pan Installation Instructions:
Installing Extruded Header to-Fascia Board
1. Install caulking sealant, or putty tape,or sealing ape to back side of header
2. Flashing is optional on all applications.
3. Minimum fascia board shall be 2X#2 S.Y.P. or S.P.F.
Installing Extruded Header to Wall of Host Structure:
1. Install caulking sealant,or putty tape, or sealing tape to back side of header.
2. For masonry use min 3/8"DIA x 2 1/2"masonry anchor
3. For wood use min 1/4"DIA x 3" lag screws 6"from each end and (2) rows
staggered at 24" on center max spacing.
Riser Pan Roof Attachment:
1. Roof pans shall be attached.to the header with(4)#10 x%" corrosion resistant
sheet meatal screws upward through the bottom of header and (1)#10 x%sheet
metal screw at top of each rib. All screws shall be caulked.
2. Alternate: Pans may be anchored through boxed end with(4)#10 x 1"
galvanized or stainless steel screws.
3. Screws need to have an embedment of 1"min when attached to wood beams or
supports.
4. Roof pans shall be attached to supporting beam with(4)#10 x 'h" sheet metal
screws min 5/8"DIA neoprene fender washer equivalent.
5. Existing 2X fascia shall be attached to existing rafter or roof truss overhang with
(1)3/8"DIA x 4"lag screw or(2) 1/4"DIA x 4"lag screws.
6. All fasteners are required to be corrosion. Min SAE Grade 2 strength or better.
7. Roof pans along end beam support shall be fastened at 12" on center.
• • ,
SUBJECT Lansing Building Products FL PE NO 70667 '
Pan Certification Sheet 12 of 14
Engineer Joel Falardeau Date 13 October 2016
Pan Roof to Host,Details:
'BREAK I.ORNMEADER OR
RECERFING CHkNNEL(.040 MENIMUM THICKNESS)
r10X3,14"SKIS AT EACii RISER RIB
-FORPAN
S.RISER PAN
1-1/2 —
(MIN) (4)�i�xs���SCMVS PERi2'
WIDTH CONNECTING
PAN TO HEADER(BOTTOM
OF PAID
LI f r K 3'MASONRVANCHORS(2)RO45 S STAGGERED 24"O.C.
CONNECTING HEADER OR CHANNEL TO FASCL9.ATTACHING
TO EACH STUD THROUGHOUT THE SCREW`PATTERN IVHERE
APPROPRIATE.
FORWOOID APPLICATION:USE LAG SCREWS,SAIrfE SIZE AND
FASTENER PATTERN APPLIES
ROOF PANEL TO WALL CONNECTION DETAILS
SCALE:NTS
SUBJECT Lansing Building Products FL PE NO 70667
Pan Certification Sheet 13 of 14
Engineer Joel Falardeau Date 13 October 2016
EXISTING HOST STRUCTURE
BREAK FORM HEADER OR
RECEIVING CHANNEL(.040 MINIMUM THICKNESS)
#10X3/4"SMS AT EACH RISER RIB
FOR PAN
C3"RISER PAN
1-1/2"
(MIN)
(4)#10X1"SMS PER 12"
WIDTH CONNECTING
PAN TO HEADER(BOTTOM
OR BACK OF PAN)
1/4"X 3"LAG SCREWS(2) ROWS STAGGERED 24"O.C.
CONNECTING HEADER OR CHANNEL TO FASCIA.
ROOF PANEL TO FASCIA/HOST BEAM CONNECTION DETAILS
SCALE: NTS
SUBJECT Lansing Building Products FL PE NO 70667
Pan Certification Sheet 14 of 14
Engineer Joel Falardeau Date 13 October 2016
Calculations
Calculated "I"based on measured displacement from experiment:
(Simple beam with concentrated load at center.)
d=measured displacement
I=PL3/(48Ed)
Calculated spans based on various wind loading:
(Simple beam with uniformly distributed load.)
W=Wind load
M=Moment=WLZ/8
Deflection =5PL4/(384EI)
Sigma=Stress=M Y/I