107326 CANOPY COVERINGS V2.pdf

Bid Addendum #1 BATTLE CREEK VA MEDICAL CENTER

RENOVATE AUDIOLOGY

PROJECT NO. 515-23-101

CANOPY COVERING

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SECTION 10 73 26

CANOPY COVERINGS

PART 1 - GENERAL

1.1 SUMMARY

A. This section includes the following:

1. Sloped structured polycarbonate glazing panel system and accessories as shown in drawings and as specified.

2. Provide a complete canopy glazing assembly of extruded solid polycarbonate panels as part of a complete aluminum framed glazing system that has been tested and warranted by the manufacturer. Cellular or multi-cell polycarbonate panels are not acceptable.

3. Factory provided structural steel, anchors, brackets and hardware necessary to complete the assembly and weather tightness performance requirements. All flashing up to but not penetrating adjoining work are also required as part of the system and shall be included according to the approved manufacturer submittals.

1.2 PERFORMANCE REQUIREMENTS

A. General: Provide a complete canopy system consisting of aluminum frame and structured polycarbonate glazing capable of withstanding loads as defined by the local governing codes having jurisdiction where the system is to be installed without failure. Failure to include the following:

1. Deflection exceeding specified limits.

2. Thermal stresses transferred to supporting structure.

3. Framing members transferring stresses, including those caused by thermal and structural movement to glazing.

4. Weakening of fasteners, attachments, and other components.

1.3 RELATED SECTIONS

A. Section 05 12 00, STRUCTURAL STEEL FRAMING: Canopy Structural Framing.

1.4 APPLICABLE PUBLICATIONS

A. Comply with references to extent specified in this section.

B. ASTM International (ASTM):

1. ASTM D 635 - Rate of Burning and/or Extent and Time of Burning of Self-

Supporting Plastics in a Horizontal Position.

2. ASTM D 1929 – Ignition Temperature of Plastics.

3. ASTM D 2843 – Density of Smoke.

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4. ASTM E 84 - Surface Burning Characteristics of Building Materials.

5. ASTM E 331 – Water Penetration

6. ASTM E 283 – Air Infiltration

1.5 DESIGN REQUIREMENTS

A. Basic Wind Speed: Designed to parameters as indicated on construction/bid documents.

B. Basic Snow Load: Designed to parameters as indicated on construction/bid documents.

C. Exposure Category: Designed to parameters as indicated on construction/bid documents.

1.6 SUBMITTALS

A. Comply with Section 01 33 23 - Submittal Procedures.

B. Product Data: Submit manufacturer's product data, including materials, components, fabrication, finish, and installation instructions.

C. Shop Drawings: Submit manufacturer's shop drawings, including plans, elevations, sections, and details, indicating dimensions, tolerances, profiles, anchorage, connections, fasteners, hardware, provisions for expansion and contraction, drainage, aluminum flashing, finish, and attachments to supports of glazing, framing, and options.

D. Samples: Submit manufacturer’s samples for each glazing type, framing system, finish, and color specified.

E. Manufacturer’s Certification: Submit manufacturer’s certification that materials comply with specified requirements and are suitable for intended application.

F. Manufacturer’s Project References: Submit list of completed projects including project name and location, name of architect, and type of daylighting manufactured.

G. Warranty: According to Part 1.9

H. Testing Reports: Submit manufacturer’s test reports.

a. Fire tests.

b. Air infiltration test.

c. Water penetration test.

1.7 QUALITY ASSURANCE

A. Manufacturer’s Qualifications:

1. Continuously engaged in translucent daylighting manufacturing with a

10 73 26 - 3 minimum of 10 years successful experience.

2. Able to demonstrate successful performance on comparable projects.

3. Responsible for all components, including structural design.

B. Installer’s Qualifications:

1. Authorized by manufacturer to install translucent glazing products.

2. Trained by manufacturer’s standard training methods and policies.

1.8 DELIVERY, STORAGE, AND HANDLING

A. Delivery: Deliver materials to site in manufacturer's original, unopened containers and packaging, with labels clearly identifying product name, manufacturer, and location of installation.

B. Storage:

1. Store materials in a clean, dry area indoors in accordance with manufacturer's instructions.

2. Keep temporary protective liners in place.

3. Do not expose panels to direct sunlight for extended periods.

1.9 WARRANTY

A. Construction Warranty: FAR clause 52.246-21, "Warranty of Construction."

PART 2 - PRODUCTS

2.1 MANUFACTURER (BASIS OF DESIGN)

A. Duo-Gard Industries Inc. or equal products meeting specification

2.2 GLAZING

A. Product: Series 3100 Base plate and low profile pressure cap system glazed with

a. Polycarbonate structured sheet.

b. Glass fiber reinforced thermoset resin (fiberglass) faces are not acceptable.

B. Panel Thickness: 25 mm.

C. Profile: triple wall.

D. Color: Manufacturer’s standard range of colors

E. U-Value, ASTM C 236: 0.40

F. Light Transmission. ASTM D 1003: 74 percent (clear)

G. Fire Tests:

1. Smoke Developed, ASTM D 635: CC1.

2. Ignition Temperature, ASTM D1929.

3. Density of smoke, ASTM D 2843.

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4. Flame Spread, ASTM E 84: Class A.

5. Smoke Density, ASTM E 84: Class A

2.3 ALUMINUM STRUCTURAL FRAMING SYSTEM

A. BASIS OF DESIGN Framing system: Series 3100 BPC system with low profile pressure cap.

1. Alloy: 6005-T5.

B. Combined maximum deflection: 1 inch.

C. Provide additional aluminum structure where and if required.

D. Air infiltration, ASTM E 283-1999: Leakage not to exceed 0.04 when tested at

1.57 psf and not to exceed 0.07 when tested at 6.24 psf.

E. Water penetration, ASTM E 331-2000: No water leakage at 30 psf.

F. Required minimum slope: 1:12.

G. Direct contact between polycarbonate system components is not acceptable including but not limited to polycarbonate battens.

H. Framing system must allow polycarbonate panel to ‘float’ in the channel to accommodate for expansion and contraction.

2.4 MATERIALS

A. Glazing Panel:

1. Panel: Polycarbonate structured sheet.

2. UV Stabilization: Coextruded into panel, not coated.

3. Resist Yellowing: Maximum 10 delta for a minimum of 10 years.

4. Appearance: Uniform in color.

5. Expansion and Contraction: Design and install components with provisions based on temperature variation for specified geographic location.

6. Gaskets and Dry Seals: EPDM and TPV (Santoprene).

7. Produced: USA certificate of origin required. Panels produced outside of

USA will not be allowed.

B. Joint Sealant:

1. Factory-Applied Sealant: Gunnable, nonhardening, elastomeric sealant.

ASTM C 920, Type S, Class 12, Grade NS. Fed Spec TT-S-1657, Type 1.n.

2. Field-Applied Sealant: Approved by translucent daylighting manufacturer.

As specified elsewhere in specifications.

C. Field Fasteners:

1. Comply with translucent daylighting manufacturer’s instructions for fastener types, quantities, and usage.

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2. Cadmium-plated or better. Prevent oxidation or electrolytic interaction with framing.

3. Aluminum-to-Aluminum Connections: Self-drilling screws, size and length as determined by manufacturer.

2.5 Canopy Structural Framing

A. See Structural Construction Documents and STRUCTRAL STEEL FRAMING 05 12 00

2.6 COLOR AND FINISH

A. Panel Color:

1. Manufacturer's standard range of colors, chosen in submittal.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Examine areas to receive translucent daylighting. Notify Architect of conditions that would adversely affect installation or subsequent utilization of daylighting. Do not proceed with installation until unsatisfactory conditions are corrected.

3.2 PREPARATION

A. Ensure supports to receive translucent insulated daylighting are clean, flat, level, plumb, square, accurately aligned, and correctly located.

3.3 INSTALLATION

A. Install translucent insulated daylighting in accordance with manufacturer's instructions at locations indicated on the drawings.

B. Install daylighting level, plumb, square, accurately aligned, correctly located, and without warp.

C. Anchor daylighting securely in place to supports. Use attachment methods permitting adjustment for construction tolerances, irregularities, alignment, and expansion and contraction.

D. Install daylighting including aluminum flashing, fasteners, hardware, gaskets, joint sealants, and glazing materials required for a complete, weathertight installation.

E. Sheet Metal Flashing: Install sheet metal flashing as specified elsewhere in specifications.

F. Joint Sealants: Install joint sealants as specified elsewhere in specifications.

G. Repair minor damages to metal finish or glazing in accordance with manufacturer's instructions and as approved by Architect. Remove and replace

10 73 26 - 6 damaged components that cannot be successfully repaired as determined by

Architect.

3.4 CLEANING

A. Clean translucent daylighting in accordance with manufacturer's instructions.

B. Clean inside and outside of daylighting immediately after installation and after joint sealants have cured.

C. Remove temporary protective liners at time of installation (interior) and after installation is complete (exterior).

D. Remove excess joint sealant in accordance with sealant manufacturer's instructions.

E. Do not use harsh cleaning materials or methods that would damage metal finish or glazing.

3.5 PROTECTION

A. Protect installed translucent daylighting from damage during construction.

B. Remove and replace damaged daylighting components as determined by Architect.

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