07415 METAL PANEL SYSTEMS
SECTION 07415
METAL PANEL SYSTEM
(Europlate)
PART 1 – GENERAL
1.01
CONTRACT DOCUMENTS
A. Architectural drawings and Specifications, including General Conditions, Supplementary
Conditions, and Addenda.
B. Contract Agreement general provisions.
1.02
SCOPE
A. Rainscreen Open Joint Metal Panel System. System shall consist of exterior metal panels
and supporting assemblies, trim and accessories required for complete system installation.
Back ventilated self weeping panel and drainage track system based on the Rainscreen
Principle, and shall include but is not limited to the following.
1.
Preformed, pre-finished exterior aluminum panels (see 2.02 MATERIALS and
2.03 FINISHES).
2.
Back frame that supports the sheared face sheet which will allow for a “sharp
edge look”.
3.
Vertical supporting channels of matching material and finish providing
method for semi concealed panel fastening devices.
4.
Semi concealed fastening devices with synthetic isolators at intersystem
fastening to provide silent thermal movement.
5.
Bracketing, anchors and fasteners for attachment of vertical supporting
channels to building structure.
6.
Electromotive isolators between dissimilar metals.
B. Related sections not in Scope. The following specification sections may include
requirements and information that relate to this section or require coordination, but are
not included in this section scope of work.
1.
Division 1 – Section 01000 – General Conditions
2.
Division 5 – Section 05080 – Metal Coatings
3.
Division 5 – Section 05100 – Structural Steel
4.
Division 5 – Section 05400 – Light gauge metal framing
5.
Division 5 – Section 05500 – Metal fabrication & Misc. Steel
6.
Division 7 – Section 07100 – Waterproofing and Damp proofing
7.
Division 7 – Section 07240 – Exterior Sheathing
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8.
9.
10.
1.03
Division 7 – Section 07620 – Sheet metal flashing and trim
Division 8 – Section 08410 – Aluminum Storefront
Division 8 – Section 08910 – Glazed Aluminum Curtainwall
REFERENCES
A.
B.
C.
D.
E.
AA ASD-1-82
IBC – 2003
ANSI A58.1-82
ANSI H35.1-82
ASTM B209-89
F.
NAAMM
1.04
Aluminum Standards and Data
International Building Code: Division – Wind Design
Minimum Design Loads for Buildings and Other Structures
Alloy and Temper Designation for Aluminum
Standard Specification for Aluminum and Aluminum Alloy
Sheet and Plate.
Metal Finishes Manual
DESIGN and PERFORMANCE CRITERIA
A. Design metal panels and support system to allow and accommodate expansion and
contraction of the various components for temperature differentials of 80°C (175° F).
Thermal movement shall not affect, distort, stress or transfer between the panels, support
components, or other building elements.
B. Panel and support system design shall meet the following Wind Load Criteria without
yield or measurable permanent distortion. Wind loads to be determined per IBC DivisionWind Design.
1. Basic Wind Speed = XX MPH
2. Exposure X
3. Maximum panel deflection measured perpendicular to panel face on the longest
diagonal length shall not exceed L/60 @ 150% maximum wind load.
4. Maximum deflection of supporting channels or components shall not exceed
L/180 of span @ 150% maximum wind load. Span is measured between the
centerline of anchor points. Cantilever span is defined as two times the distance
from anchor centerline to cantilever end.
C. Design shall eliminate audible harmonic vibrations, and noises from thermal movement.
D. Design to be based on the Rainscreen Principle. Proper joinery and spacing to allow
effective ventilation and pressure equalization.
E. No exposed sealants, gaskets, tapes or battens unless specifically detailed in Architectural
drawings.
1.05
QUALITY ASSURANCE
A. Rainscreen metal panel system as manufactured by Pohl Inc. of America or pre-approved
equal. Factory fabricated and finished.
B. Substrate wall for Rainscreen systems shall comply with applicable codes for exterior
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C.
D.
E.
F.
1.06
sheathing systems for structural requirements and support of the loads imposed by the
panel system. Backing and structural support shall be located and coordinated for
required attachment of the panel system per Division 5 Scope.
Primary waterproofing of the building envelop shall occur behind the Rainscreen panel
system per Division 7 Scope.
Rainscreen panel system manufacturer to provide complete structural analysis and
calculations for the panels and supporting components within the system prepared by a
registered Professional Engineer.
Aluminum sheet or plate producer commercially experienced in providing raw material in
plate or sheet form per quality and tolerance specifications of ASTM B209 or equal.
Rainscreen panel system manufacturer commercially experienced in the design and
fabrication of the specified system, with a facility experienced in the production of
complex panel forming for a minimum of 10 years.
SYSTEM DESCRIPTION
A. The metal panel system shall consist of exterior metal panels and supporting assemblies,
fastening devices, trim and accessories required for complete system installation. Back
ventilated self weeping panel and drainage track system based on the Rainscreen
Principle.
B. Flat-aluminum panels of 3mm (⅛”) flat plate or sheet, factory sheared and finished.
C. Factory formed back frame that supports the flat aluminum panel as required.
D. Panels shall include necessary stiffening devices to meet design and performance criteria
as per Part 1.04 of this specification section.
E. Continuous vertical supporting aluminum drainage tracks at vertical joints. Finish to
match panels or as otherwise specified. No exposed fastening.
F. Anchors and devices of similar, compatible materials for attachment of vertical tracks at
structural connection points. No exposed fastening.
G. Semi-concealed fastening devices suspending the panels from vertical tracks.
H. Isolator clips in vertical tracks for panel suspension to be of high impact “macrolon” for
quiet, low resistance thermal movement.
1.07
SUBMITTALS
A. General: Submit items according to the Contract Agreement and Division 1, General
Conditions of this Specification.
B. Shop Drawings: Provide complete shop drawings showing Plans, Elevations, and Details
that indicate joint locations, terminations, and inter-trade coordination references.
Include large scale details of all typical and all special details that represent intended
methods of joinery, bending, welds, fastening, and interfacing to other finishes. Also
provide adequate information to coordinate proper location of the structure’s substrate
and frame components to which the panel system is attached. Reference project datum as
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provided in the Architectural drawings to provide coordinated dimensions and data in
order to minimize or eliminate need for field verification.
C. Finish samples: Initial finish samples 75mm x 125mm (3” x 5”) as provided by finish
manufacturer for each different color and product. Upon initial approval of finish
samples, Architect may request larger samples 225mm x 275mm ( 8 ½” x 11”) on
specified project substrate. See Part 2.03 FINISHES for specified products and colors.
D. Structural Calculations: Provide structural analysis and calculations for the metal panel
system and fabrication, prepared by a licensed Professional Structural Engineer per
criteria in this Specification Section.
1.08
VISUAL MATCHING
A. General: Metal finishes and painted coatings shall maintain reasonable uniformity in
color, tone, and texture as determined by Architect when viewed from a distance of 100
feet or greater.
1.09
WARRANTIES
A. General: Reference Warranties section of General Conditions of this specification.
Warranty periods to begin on date of Substantial Completion.
B. Materials Manufacturers: Repair or replace defective materials for a period of one year.
C. Painted Coatings: Coatings Manufacturer and applicator to warrant paint for a period of
TEN years. Gloss retention greater than 50%. Color retention no greater than 5ΔE Hunter
units color loss. Chalk rating ≥8.
PART 2 – PRODUCTS
2.01
MANUFACTURERS
A. Approved Manufacturers: Contract documents are based on the “Euro Plate” Rainscreen
metal panel system as manufactured by Pohl Inc. of America, 4867 S 6200 West, Salt
Lake City, UT. 84108, (801) 988-1305.
B. Installers, as approved by Pohl Inc. of America
C. Other Manufacturers: An equivalent manufacturer may be considered for approval at
least 10 Days prior to bid date. See Section 1300, General Conditions for Equivalent
Products Consideration.
2.02
MATERIALS
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A. General: Use materials of compatible base metals and alloys. Protect all metals from
galvanic corrosion and electromotive corrosion through adequate separation or the use of
inert insulating materials. Stack materials in assemblies such that oxides and/or
electrolytes cannot affect other metals.
B. Panels: ASTM B209, Alloy 5005 H-14, 3mm (⅛”) thick Sheet Aluminum.
C. Stiffeners and Vertical Tracks: ASTM B209, Alloy 5005 H-14, 3mm (⅛”) thick Sheet
Aluminum or as required by Professional Engineer’s Structural Calculations for Metal
Panel System fabrication.
D. Fasteners: All mechanical fasteners to be of Austenitic Stainless Steel. Aluminum rivets
may be used only at aluminum to aluminum connections as Engineer’s analysis permits.
2.03
FINISHES
A. General: Paint coatings to be applied in dedicated facility, specialized in the application
of specified finishes and authorized by the coatings manufacturer.
B. Panels: TWO coat, 70% Kynar© fluorocarbon, baked finish. 1mil dry film thickness.
1. Color as selected by Architect
2. Color as selected by Architect
C. Vertical Support Tracks: TWO coat, 70% Kynar© fluorocarbon, baked finish. 1mil dry
film thickness.
1. Color as selected by Architect
D. Brackets: Mill finish aluminum.
2.04
DEFECTS
A. General: Minor defects shall not be visible at a distance greater than THREE Meters (10
feet) when viewed @ 90° to plane of surface. Final acceptance as determined by the
Architect.
B. Painted Coatings: Minor defects in painted surfaces shall not be visible at a distance
greater than THREE Meters (10 feet). Defects that expose raw metals are not allowed.
PART 3 – EXECUTION
3.01
MANUFACTURING TOLERANCES
A. Panels and Components: Panels shall be fabricated to a tolerance not to exceed 3mm (⅛”)
deviation in any dimension from designed dimension.
B. Panel Flatness: Panels shall maintain a dead load flatness not to exceed +L/180 (convex
deflection), or –L/360 (concave deflection) while maintaining a consistent visual flatness,
without recurrent telegraphing of hardware or stiffening components. Such visible
judgments shall be within commercially reasonable Industry Standards.
3.02 EXAMINATION
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A. Installing Contractor shall examine the structure and components to support or receive the
panel system. Verify that the structure is erected as set forth by the contract documents,
and Industry Standards and tolerances. Report deficiencies or discrepancies immediately
and do not proceed with erection of panel system until such deficiencies can be corrected
or addressed.
B. Verify that structural components are properly placed to receive and support the metal
panel system, and that the panel system accommodates the building tolerances. Report
deficiencies immediately.
C. Inspect the integrity of building water proofing envelop. Report inadequacies prior to
proceeding.
3.03
DELIVERY, STORAGE, AND HANDLING
A. Packaging and Delivery: Panels and components shall be packaged to adequately protect
them from damage in transit and handling.
B. Storing Delivered Product: Store packaged and delivered product under cover. Protect
from exposure to weather. Stage crated material on flat surface.
3.04
INSTALLATION
A. Erect panel system Plumb, Level, and Square, per the contract documents, within
tolerances and Industry Standards. Installation tolerances must remain within panel
manufacturing tolerances and thermal movement tolerances and requirements.
3.05 ADJUSTING
A. Adjust and secure the panel system to achieve and maintain designed locations and
tolerances.
3.06
CLEANING
A. Thoroughly clean installed panels for presentation to the General Contractor upon
completion of installation. Subsequent cleaning is the responsibility of the General
Contractor.
3.05 PROTECTION
A. Present completed and cleaned panel system to the General Contractor as determined in
advance. Protection from construction or consequential damage is the responsibility of
the General Contractor.
END SECTION 07415
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