Amendment_0002_-_07_42_13_-_Rev._2019-04-10.pdf

Renovate Building 252 for LRS Ammendment Pease NHANG

SECTION 07 42 13

METAL WALL PANELS

05/11

PART 1 GENERAL

1.1 SECTION INCLUDES

A. Exposed fastener, field assembled, metal wall panels.

B. Accessories including fasteners, perimeter trim and penetration treatments.

1.2 REFERENCES

The publications listed below form a part of this specification to the extent referenced. The publications are referred to within the text by the basic designation only.

ASTM INTERNATIONAL (ASTM)

ASTM A240/A240M (2015b) Standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications

ASTM A641/A641M (2009a; R 2014) Standard Specification for Zinc-Coated (Galvanized) Carbon Steel Wire

ASTM A666 (2015) Standard Specification for Annealed or Cold-Worked Austenitic Stainless Steel Sheet, Strip, Plate and Flat Bar

ASTM A780/A780M (2009; R 2015) Standard Practice for Repair of Damaged and Uncoated Areas of Hot-Dip Galvanized Coatings

ASTM A792/A792M (2010) Standard Specification for Steel Sheet, 55% Aluminum-Zinc Alloy-Coated by the Hot-Dip Process

ASTM B117 (2016) Standard Practice for Operating Salt Spray (Fog) Apparatus

ASTM C612 (2014) Mineral Fiber Block and Board Thermal Insulation

ASTM C920 (2018) Standard Specification for Elastomeric Joint Sealants

ASTM C1311 (2014) Standard Specification for Solvent Release Agents

ASTM D522 (1993a; R 2008) Mandrel Bend Test of Attached Organic Coatings

ASTM D523 (2014) Standard Test Method for Specular

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Gloss

ASTM D714 (2002; R 2009) Evaluating Degree of Blistering of Paints

ASTM D968 (2015) Abrasion Resistance of Organic Coatings by Falling Abrasive

ASTM D1308 (2013) Effect of Household Chemicals on Clear and Pigmented Organic Finishes

ASTM D2244 (2016) Standard Practice for Calculation of Color Tolerances and Color Differences from Instrumentally Measured Color Coordinates

ASTM D2247 (2015) Testing Water Resistance of Coatings in 100% Relative Humidity

ASTM D2794 (1993; R 2010) Resistance of Organic Coatings to the Effects of Rapid Deformation (Impact)

ASTM D3359 (2017) Standard Test Methods for Rating Adhesion by Tape Test

ASTM D3363 (2005; E 2011; R 2011; E 2012) Film Hardness by Pencil Test

ASTM D4145 Standard Test Method for Coating Flexibility of Prepainted Sheet

ASTM D4214 (2007; R 2015) Standard Test Method for Evaluating the Degree of Chalking of Exterior Paint Films

ASTM D5894 (2016) Standard Practice for Cyclic Salt Fog/UV Exposure of Painted Metal, (Alternating Exposures in a Fog/Dry Cabinet and a UV/Condensation Cabinet)

ASTM E283 (2004; R 2012) Determining the Rate of Air Leakage Through Exterior Windows, Curtain Walls, and Doors Under Specified Pressure Differences Across the Specimen

ASTM E330 (2002; R 2010) Structural Performance of Exterior Windows, Doors, Skylights and Curtain Walls by Uniform Static Air Pressure Difference

ASTM E331 (2000; R 2016) Standard Test Method for Water Penetration of Exterior Windows, Skylights, Doors, and Curtain Walls by Uniform Static Air Pressure Difference

ASTM G153 (2013) Operating Enclosed Carbon Arc Light Apparatus for Exposure of Nonmetallic Materials

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ASTM G154 (2012a) Standard Practice for Operating Fluorescent Light Apparatus for UV Exposure of Nonmetallic Materials

1.3 SUBMITTALS

a. Refer to Section 01 33 00 Submittal Procedures.

b. Delegated Design: Design metal wall panel assembly, submit comprehensive engineering analysis by a qualified professional engineer, using performance requirements and design criteria indicated.

Government approval is required for submittals with a "G" designation;

submittals not having a "G" designation are for information only. When used, a designation following the "G" designation identifies the office that will review the submittal for the Government. Submittals with an "S" are for inclusion in the Sustainability eNotebook, in conformance to this section . Submit the following in accordance with Section 01 33 00

SUBMITTAL PROCEDURES:

SD-02 Shop Drawings

Profile

Gauge of panel

Location, layout and dimensions of panels

Location and type of fasteners

Shape and method of attachment of all trim

Locations and type of sealants

Installation sequence

Other details as may be required for a weathertight installation

SD-03 Product Data

Submit Manufacturer's current technical literature for each type of product.

SD-04 Samples

Provide nominal 3 x 5 inch of each color indicated. Provide panel width by 10 inches long minimum.

SD-11 Closeout Submittals

Refer to Section 01 78 00 Closeout Submittals.

1.4 ADMINISTRATIVE REQUIREMENTS

1.4.1 Pre-Installation Meeting

Conduct a pre-installation meeting at the job site attended by Owner, Architect, Manufacturer's Technical Representative, Panel Installer, and

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Contractors of related trades. Coordinate structural support requirements in relation to wall panel system, installation of any separate air/water barriers, treatment of fenestration, and other requirements specific to the project.

1.5 QUALITY ASSURANCE

1.5.1 Design Data, Test Reports

Provide manufacturer test reports indicating product compliance with requirements. Design data tested in accordance with ASTM A240/A240M , ASTM A641/A641M , ASTM A666, ASTM A792/A792M , ASTM A780/A780M .

1.5.2 Manufacturer Erection Instructions

Provide manufacturer's written installation instructions including proper material storage, material handling, installation sequence, panel location(s), and attachment methods, details and required trim and accessories.

1.5.3 Manufacturer Qualifications

Manufacturer shall have a minimum of ten (10) years experience in the production of metal wall panels. Manufacturer shall demonstrate past experience with examples of projects of similar type and exposure.

1.5.4 Installer Qualifications

Installer shall be authorized by the manufacturer and the work shall be supervised by a person having successfully completed a manufacturer training seminar regarding proper installation of the specified product.

1.6 DELIVERY, HANDLING, AND STORAGE

Deliver panel materials and components in manufacturer's original, unopened, undamaged packaging with identification labels intact.

Store wall panel materials on dry, level, firm, and clean surface.

Elevate one end of bundle to allow moisture run-off, cover and ventilate to allow air to circulate and moisture to escape.

1.7 WARRANTY

Refer to Section 01 11 00 Summary of Work.

1.7.1 Material Warranty

Standard form in which manufacturer agrees to repair or replace items that fail in materials or workmanship within specified warranty period. The items covered by the warranty include structural performance and finish performance.

1.7.1.1 Warranty Period

Two (2) years from date of Substantial Completion.

1.7.2 Finish Warranty

Standard form in which manufacturer agrees to repair or replace metal

SECTION 07 42 13 Page 4 panels that evidence deterioration of fluoropolymer finish, including flaking or peeling from approved primed metal substrate, chalk in excess of 8 when tested in accordance with ASTM D4214, Method A, and /or color fading in excess of 5 ?E Hunter units on panels when tested in accordance with ASTM D2244.

1.7.2.1 Warranty Period

Twenty (20) years from date Substantial Completion, or 20 years and 3 months from the date of shipment from manufacturer's plant, whichever occurs first.

PART 2 PRODUCTS

2.1 MANUFACTURER

Basis of Design Product: Exposed Fastener Wall Panels Morin C-40-1/2 ; a Kingspan Group Company; 685 Middle Street, Bristol, Connecticut 06010-8416; 1-800-640-9501 (Toll Free); (www.morincorp.us)

2.2 PERFORMANCE REQUIREMENTS

2.2.1 Structural Performance

Provide metal wall panel systems designed to resist the following.

Testing shall be done based on ASTM E330:

2.2.1.1 Wind Loads

Determine loads based on the following minimum design wind pressures:

a. Uniform pressure as indicated on Drawings.

2.2.1.2 Detection Limits

Metal wall panel assemblies shall withstand horizontal deflections no greater than L/180 of the span.

2.2.2 Water Penetration under Static Pressure

Provide metal wall panel systems designed to resist penetration of water under static pressure. Testing shall be based on ASTM E331. Wall panels when tested shall have no water leakage at 6 pounds per square foot.

2.2.3 Air Infiltration

Provide metal wall panel assemblies designed to resist air infiltration.

Testing shall be done based on ASTM E283. Wall panels when tested shall have a maximum air leakage of 0.01 cfm per square feet of fixed wall area at a minimum static air-pressure differential of 1.57 foot pounds per square foot.

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2.2.4 [Enter Appropriate Subpart Title Here] Finish Characteristics

Fluoropolymer Finish formulated with 70% resin, factory applied and baked

on. Provide exterior finish top coat of 70% resin with not less 0.8 mil dry film thickness. Interior finish dry film thicnkess of back coat to be manufacturers standard thickness. Provide exterior primer standard with panel manufacturer with not less than 0.2 mil dry film thickness. Tests must have been performed on the same factory finish and thickness provided.

Provide clear factory edge coating on all factory cut or unfinished edges.

2.2.4.1 Gloss

15 +/- 5 tested in accordance with ASTM D523

2.2.4.2 Pencil Hardness

HB - H tested in accordance with ASTM D3363

2.2.4.3 Flexibility, T-Bend

1-2T bend tested in accordance with ASTM D4145

2.2.4.4 Flexibility, Mandrel

No cracking tested in accordance with ASTM D522

2.2.4.5 Adhesion

No adhesion loss tested in accordance with ASTM D3359

2.2.4.6 Reverse Impact

No cracking or adhesion loss tested in accordance with ASTM D2794

2.2.4.7 Abrasion Resistance

65 +/- 10 liters tested in accordance with ASTM D968

2.2.4.8 Graffiti Resistance

Minimal effect

2.2.4.9 Acid Pollutant Resistance

No effect tested in accordance with ASTM D1308

2.2.4.10 Salt Fog Resistance

Passes 1000 hours tested in accordance with ASTM B117

2.2.4.11 Cyclic Salt Fog and UV Exposure

Passes 2016 hours tested in accordance with ASTM D5894

2.2.4.12 Humidity Resistance

Passes 1500 hours when tested in accordance with ASTM D2247 and ASTM D714

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2.2.4.13 Color Retention

Passes 5000 hours when tested in accordance with ASTM G153 and ASTM G154

2.2.4.14 Chalk Resistance

Maximum chalk is a rating of 8 when tested in accordance with ASTM D4214, Method A

2.2.4.15 Color Tolerances

Greater than 5 Delta E units on panels when tested in accordance with

ASTM D2244.

2.3 WALL PANEL MATERIALS

2.3.1 Steel

a. Zinc-Coated (Galvanized) Steel Sheet: ASTM A653, G90 coating designation.

b. Gauge: 22

2.4 WALL PANELS

2.4.1 Wall Panel Descriptions

2.4.1.1 Panel Width

To match existing 27 inches; verify in field.

2.4.1.2 Profile

C-40-1/2 To match existing C-29; verify in field.

2.4.1.3 Thickness

To match existing 9/16 inch; verify in field.

2.5 INSULATION

a. Refer to Section 07 21 16 Sound Batt Insulation.

b. Board Insulation: ASTM C612, Type IA, unfaced semi rigid insulation.

Nominal density of 3 pounds per cubic foot. Size as required for liner panels.

2.6 ACCESSORIES

2.6.1 Wall Panel Accessories

Provide accessories as required for a complete installation. Accessories shall be as indicated on approved shop drawings and per manufacturer's approved standard details. Match material and finish of metal wall panels.

2.6.1.1 Fasteners

To match existing and as recommended by manufacturer. Fastener head shall match exposed panel color.

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2.6.1.2 Closure Strips

a. Closed Cell Closure Strips: Provide minimum 1 inch thick matching metal wall panel profile.

b. Metal Profile Closure Strips: Shall be fabricated from same gauge, material and finish as metal panel.

2.6.2 Trim

2.6.2.1 Extruded trim

Shall be ¾ inch deep extruded aluminum 6063-T5 alloy with spray applied PVF coating in same color as metal wall panel.

2.6.2.2 Locations

Include, but are not limited to the following: Drips, sills, jambs, corners, framed openings, reveals and fillers.

2.6.3 Metal Framing

Refer to Section 05 40 00 Cold-Formed Metal Framing.

2.6.4 Panel Sealant

2.6.4.1 Joint Sealant

ASTM C920 as recommended in writing by metal wall panel manufacturer.

2.6.4.2 Sealant Tape

Pressure-sensitive, 100 percent solids, gray polyisobutylene compound sealant tape with release-paper backing; 1/8 inch wide and 1/8 inch thick.

2.6.4.3 Butyl-Rubber Based, Solvent-Release Sealant

ASTM C1311.

2.7 FABRICATION

a. Metal wall panels shall be formed to lap with edges of adjacent panels which are then mechanically attached through panel to supports using fasteners with a neoprene washer. Fastener head shall match wall panel finish.

b. Fabricate metal wall panels to eliminate condensation on interior side of panel and with joints between panels designed to form weathertight seals.

c. Panels shall be factory formed. Field formed panels are not acceptable.

d. Trim Accessories: Fabricate steel trim accessories to comply with recommendations outlined in SMACNA's "Architectural Sheet Metal Manual".

e. Mitered Corners: Structurally bonded horizontal outside or inside trimless corners matching metal wall panel material, profile and

SECTION 07 42 13 Page 8 factory applied finish shall be fabricated by metal wall panel manufacturer.

1. Welded, riveted or field fabricated corners are not acceptable and will be rejected.

2. Basis of Design: Morin Miterseam Corners (12" x 12")

2.8 FINISHES

2.8.1 Steel

2.8.1.1 Finish and Color

a. Color: To match existing; Rawhide II for u Upper wall panels : Match Valspar Sandstone 433R396 & Terra Cotta for l l ower wall panels : Match Valspar Surrey Beige 433R398 .

b. Finish System: To match existing; Silicone polyester finish See Specification "09 90 00" Paints and Coatings .

PART 3 EXECUTION

3.1 EXAMINATION

3.1.1 Field Measurements

Provide field measurements to manufacturer as required to achieve proper fit of the metal wall panels to building envelope. Measurements shall be provided in a timely manner so that there is no impact to construction or manufacturing schedule.

3.1.2 Supporting Steel

All structural supports required for installation of panels shall be by others. Support members shall be installed within the following tolerances:

a. Plus or minus 1/8 inch in 5 feet in any direction along plane of framing

b. Plus or minus ¼ inch cumulative in 20 feet in any direction along plane of framing.

c. Plus or minus ½ inch from framing plane on any elevation.

d. Plumb or level within 1/8 inch at all changes of transverse for performed corner panel applications.

e. Verify that bearing support has been provided behind vertical joints of horizontal panel systems and vertical joints of horizontal panel systems. Width of support shall be as recommended by manufacturer.

3.2 PANEL INSTALLATION

a. Apply sealant to horizontal and vertical joints per manufacturer's recommendations and approved shop drawings.

b. Installation shall be in accordance with manufacturer's installation guidelines and recommendations.

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c. Install panels plumb, level, and true-to-line to dimensions and layout indicated on approved shop drawings.

d. Cutting and fitting of panels shall be neat, square and true. Torch cutting is prohibited.

3.3 TRIM INSTALLATION

a. Place trim and trim fasteners only as indicated per details on the approved shop drawings.

b. Apply sealant tape at trim, per manufacturer's details and approved shop drawings, for weathertight installation.

3.4 SEALANT INSTALLATION FOR EXPOSED JOINTS

a. Clean and prime surfaces to review exterior exposed sealants in accordance with sealant manufacturer's recommendations.

b. Follow sealant manufacturer's recommendations for joint width-to-depth ratio, application temperature range, size and type of backer rod, and compatibility of materials for adhesion..

3.5 CLEANING AND PROTECTION

a. Remove protective film immediately after installation.

b. Touch-up, repair or replace metal panels and trim that have been damaged.

c. After metal wall panel installation, clear weep holes and drainage channels of obstructions, dirt, and sealant.

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