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HomeMy WebLinkAbout07-4246-High-Performance-Cementitious-Wall-Panels_Rev_1Dennis Yarmouth Intermediate Middle School January 19, 2021 Dennis Yarmouth Regional School District 100% Construction Documents Perkins Eastman DPC, project #71011 HIGH-PERFORMANCE CEMENTITIOUS WALL PANELS 07 4246 - 1 SECTION 07 4246 HIGH-PERFORMANCE CEMENTITIOUS WALL PANELS PART 1 - GENERAL 1.1 RELATED DOCUMENTS A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section. 1.2 SUMMARY A. Section includes glass-fiber-reinforced concrete wall panel system including accessories required for a complete drained and back-ventilated rainscreen system. B. Related Requirements: 1. Section 06 7100 “Composite Framing Support (CFS) Systems” for thermally-broken composite support framing for wall panel system and insulation installed over air barrier between composite support framing. 2. Section 07 2715 “Non-Bituminous Self-Adhering Sheet Air Barriers” for air barriers applied over sheathing. 3. Section 07 2726 “Fluid-Applied Membrane Air Barriers” for air barriers applied over CMU. 4. Section 07 4213.13 “Formed Metal Wall Panels” for exposed-fastener, lap-seam metal wall panels. 5. Section 07 4213.23 “Metal Composite Material (MCM) Wall Panels.” 6. Section 07 6200 “Sheet Metal Flashing And Trim” for flashings and other sheet metal work not part of the cementitious wall panel system. 1.3 PREINSTALLATION MEETINGS A. Preinstallation Conference: Conduct pre-installation conference at Project site to verify project requirements, substrate conditions, manufacturer's installation instructions and manufacturer's warranty requirements. 1.4 ACTION SUBMITTALS A. Make Submittals in accordance with Section 01 3300 “Submittal Procedures.” B. Product Data: For each type of product. C. Sustainable Design Submittals: 1. Environmental Product Declaration (EPD): Provide manufacturers’ product documentation for each product having an Environmental Product Declaration (EPD). a. Documentation should confirm EPD conforms with ISO 14205 EN 15804 or ISO 21930. b. EPD shall have at least Cradle to Gate scope. c. Complete "LEED Materials Documentation Sheet" with MRc2 information for each product having an EPD. Dennis Yarmouth Intermediate Middle School January 19, 2021 Dennis Yarmouth Regional School District 100% Construction Documents Perkins Eastman DPC, project #71011 HIGH-PERFORMANCE CEMENTITIOUS WALL PANELS 07 4246 - 2 2. Recycled Content: Provide manufacturers’ product documentation that includes recycled content claims for the products contributing towards compliance. Claims must conform to the definition in ISO 14021-1999, Environmental Labels and Declarations, Self-Declared Environmental Claims. a. Complete "LEED Materials Documentation Sheet" with MRc3 Option 2 information for products with recycled content installed in the building. D. Shop Drawings: Submit plan, section, elevation and perspective drawings necessary to describe and convey the layout, profiles and product components, including edge conditions, panel joints, fixture location, anchorage, accessories, finish colors, patterns and textures. E. Samples for Verification: For each finish product specified, 8 by 10 inches, for each type, color, pattern, and surface finish. Sample edges may vary from field panel edges. 1.5 INFORMATIONAL SUBMITTALS A. Qualification Data: For manufacturer. B. Engineering Calculations: Submit engineering calculations as required by the local building code, showing that the installed panels and attachments system meets the wind load requirements for the project. C. Product Certificates: For each type of product, signed by product manufacturer. D. Maintenance Data: Submit maintenance and cleaning information for products covered under this section. 1.6 QUALITY ASSURANCE A. Manufacturer Qualifications: Shop that employs skilled workers who fabricate products similar to those required for this Project and whose products have a record of successful in-service performance. B. Exterior Wall Mockup: Provide products and materials for construction of the exterior wall mockup specified in Section 01 4339 “Mockups.” 1. Build mockups to demonstrate aesthetic effects and to set quality standards for fabrication and installation. a. Include typical components, attachments to building structure, and methods of installation. 1.7 DELIVERY, STORAGE, AND HANDLING A. Delivery: 1. During transportation, use stable, flat pallets that are at least the same dimension as the sheets. 2. Materials shall be packaged to minimize or eliminate the possibility of damage during shipping. Items such as wooden side boards, wooden lid, and spacers or protective sheeting between panels shall be used to protect the panels from surface and/or edge damage. B. Storage: Dennis Yarmouth Intermediate Middle School January 19, 2021 Dennis Yarmouth Regional School District 100% Construction Documents Perkins Eastman DPC, project #71011 HIGH-PERFORMANCE CEMENTITIOUS WALL PANELS 07 4246 - 3 1. Store products in an enclosed area protected from direct sunlight, moisture and heat. Maintain a consistent temperature and humidity. 2. Store products in manufacturer's unopened packaging until ready for installation. 3. Stack panels using protective dividers to avoid damage to decorative surface. 4. For horizontal storage, store sheets on pallets of equal or greater size as the sheets with a protective layer between the pallet and sheet and on top of the uppermost sheet. 5. Do not store sheets, or fabricated panels vertically. C. Handling: 1. Remove protective film within 24 hours of the panels being removed from the pallet. 2. When moving sheets, lift evenly to avoid dragging panels across each other and scratching the decorative surface. 3. Remove all labels and stickers immediately after installation. 1.8 PROJECT CONDITIONS A. Field Measurements: Where paneling is indicated to fit to other construction, verify dimensions of other construction by field measurements before fabrication and indicate measurements on Shop Drawings. Coordinate fabrication schedule with construction progress to avoid delaying the Work. 1. Locate concealed framing, blocking, and reinforcements that support paneling by field measurements before being enclosed and indicate measurements on Shop Drawings. 2. Established Dimensions: Where field measurements cannot be made without delaying the Work, establish dimensions and proceed with fabricating paneling without field measurements. Provide allowance for trimming at site, and coordinate construction to ensure that actual dimensions correspond to established dimensions. 1.9 COORDINATION A. Coordinate sizes and locations of framing, blocking, furring, reinforcements, and other related units of Work specified in other Sections to ensure that paneling can be installed as indicated. 1.10 WARRANTY A. Warranty: At project closeout, provide manufacturer's limited ten year warranty covering defects in materials. Warranty only available when material installed by an installation contractor trained and approved by the manufacturer's representative. PART 2 - PRODUCTS 2.1 LEED REQUIREMENTS A. Environmental Product Declaration (EPD): Provide products with Third Party Environmental Product Declaration (EPD) whenever available. B. Recycled Content: Provide products with the maximum recycled content possible. Minimum recycled content 20 percent. Dennis Yarmouth Intermediate Middle School January 19, 2021 Dennis Yarmouth Regional School District 100% Construction Documents Perkins Eastman DPC, project #71011 HIGH-PERFORMANCE CEMENTITIOUS WALL PANELS 07 4246 - 4 2.2 PERFORMANCE REQUIREMENTS A. Structural Performance: Provide wall panel assemblies capable of withstanding the effects of gravity loads and loads and stresses within limits and under conditions indicated, based on testing according to ASTM E 1592 and ASTM E 330 as applicable. 1. Wind Loads: As required by Code. 2. Deflection Limits: Engineer wall panel assemblies to withstand test pressures with deflection no greater than 1/180 of the span and no evidence of material failure, structural distress, or permanent deformation exceeding 0.2 percent of the clear span, at code required loading. B. Thermal Movements for High Performance Concrete Wall Panels: Provide wall panel assemblies that allow for noiseless thermal movements resulting from the following range in ambient temperatures and that prevent buckling, opening of joints, overstressing of components, failure of joint sealants, failure of connections, and other detrimental effects: 1. Temperature Range: a. Ambient: 120 deg F. b. Material: 150 deg F. 2.3 HIGH-PERFORMANCE CEMENTITIOUS WALL PANELS A. Provide through body color fiber reinforced concrete panels made from pure mineral raw materials, (sand cement, water) and reinforced with AR (alkali-resistant) glass fibers as continuous linear glass fiber strands and short fibers in the matrix complying with ASTM C1186 Type A Grade IV. 1. Basis-of-Design Product: Subject to compliance with requirements, provide Rieder öko Skin by Rieder North America, Brampton, ON, Canada (877) 740-0303, (local rep: PACE Representatives, Braintree, MA, Tel: 781-541-5060) or a comparable product by one of the following or equal: a. Envel, South Bend, IN, (tel. 574-246-0644.) b. TAKTL, Turtle Creek, PA (tel. 412-486-1600.) B. Panels: Glass fiber reinforced concrete panels complying with ASTM C 1186, and performance requirements indicated below: 1. Panel Size: 5.78 inches by 70.87 inches by 1/2 inch thick. a. Tolerances: 1) Length: +/- 5/64 in. 2) Width: +/- 5/64 in. 3) Thickness Within a Sheet: <1/32 in. 4) Thickness Sheet to Sheet: +/- 1/32 in. 5) Squareness (in/ft): <1/32 in. 6) Edge Straightness (in/ft): <1/32 in. 2. Flexural Strength (Modulus of Rupture): a. Wet: 3826 psi or greater. b. Equilibrium: 4001psi or greater. c. Freeze Thaw Strength Retention: 97 percent or greater. 3. Panel Density: >125 lb/ft3. 4. Curing Method: Air cured. 5. Water Absorption: ≤5 percent. 6. Surface Burning Characteristics: ASTM E84. a. Flame Spread Index: 0. b. Smoke Development Index: 0. 7. Combustibility (ASTM E136): Non-combustible. Dennis Yarmouth Intermediate Middle School January 19, 2021 Dennis Yarmouth Regional School District 100% Construction Documents Perkins Eastman DPC, project #71011 HIGH-PERFORMANCE CEMENTITIOUS WALL PANELS 07 4246 - 5 8. Color: Panels shall be through body color. a. Color: Walnut, T104. 9. Surface: 33/33/33 mixture of Matt (smooth), Ferro Light (light sandblasted) and Ferro (sandblasted) surface textures. Installer to ensure random mixture of all surface textures. 10. Surface Treatment: Manufacturer’s standard hydrophobic. 2.4 ANCHORS, CONNECTORS, AND MISCELLANEOUS MATERIALS A. Miscellaneous Metal Subframing and Furring: ASTM C 645, cold-formed, metallic-coated steel sheet, ASTM A 653/A 653M, G90 coating designation or ASTM A 792/A 792M, Class AZ50 aluminum-zinc-alloy coating designation unless otherwise indicated. Provide manufacturer's standard sections as required for support and alignment of glass-fiber-reinforced concrete wall panel system. B. Panel Attachment: 1. Exposed Fastening: Provide with manufacturer’s corrosion-resistant stainless steel color- matched fasteners of type, size and spacing required for type of substrate and project conditions. C. Flashings: Provide sheet metal flashings and trim as required for cladding system in accordance with Section 07 6000 “Flashing and Sheet Metal. 1. Shop form components to profiles, dimensions, and thicknesses indicated on Drawings. Items to be provided include: a. Aluminum flashing at bottom of air cavities and pressurized compartments to gravity drain water from cavity. b. Formed profiles fabricated and installed to shed water within horizontal joint condition (non-continuous, interrupted at vertical U profile). c. Aluminum flashing at window sills, parapet caps, transition pieces to adjacent materials and other exposed trim. Attach with clips or other means to avoid exposed fasteners. 2. Form sheet metal fabrications in longest possible lengths. Turn back all exposed edges to form hem. Fabricate vertical faces with bottom edge formed outward and hemmed to provide drip. PART 3 - EXECUTION 3.1 EXAMINATION A. Examine substrates, areas, and conditions, with Installer present, for compliance with requirements for installation tolerances, wall panel supports, and other conditions affecting performance of work. 1. Examine primary and secondary wall framing to verify that girts, angles, channels, studs, and other structural panel support members and anchorage have been installed within alignment tolerances required by fiber-cement wall panel manufacturer. 2. Examine solid wall sheathing to verify that sheathing joints are supported by framing or blocking and that installation is within flatness tolerances required by wall panel manufacturer. 3. For the record, prepare written report, endorsed by Installer, listing conditions detrimental to performance of work. Dennis Yarmouth Intermediate Middle School January 19, 2021 Dennis Yarmouth Regional School District 100% Construction Documents Perkins Eastman DPC, project #71011 HIGH-PERFORMANCE CEMENTITIOUS WALL PANELS 07 4246 - 6 B. Examine roughing-in for components and systems penetrating fiber-cement wall panels to verify actual locations of penetrations relative to seam locations of fiber-cement wall panels before fiber-cement wall panel installation. C. Proceed with installation only after unsatisfactory conditions have been corrected. 3.2 PREPARATION A. Clean surfaces thoroughly prior to installation. B. Prepare surfaces using the methods recommended by the manufacturer for achieving the best result for the substrate under the project conditions. 3.3 INSTALLATION A. Install wall panels in orientation, sizes, and locations indicated on Drawings. Install panels perpendicular to girts and subgirts, unless otherwise indicated. Anchor wall panels and other components of the Work securely in place, with provisions for thermal and structural movement. 1. Shim or otherwise plumb substrates receiving wall panels. 2. Fastening of wall panels shall allow free movement due to thermal and moisture expansion and contraction. 3. Predrill panels for installation of fasteners. 4. Locate and space fastenings in uniform vertical and horizontal alignment per manufacturers recommendations. 5. Install flashing and trim as fiber-cement wall panel work proceeds. 6. Locate subgirt splices to be concealed by panels. Subgirt splice locations shall be coordinated to ensure that fixing of individual fiber-cement panels does not span multiple subgirts. B. Back Ventilation: Install panels as a back-ventilated rainscreen system. 1. Provide a minimum uninterrupted rainscreen cavity depth of ¾ inch. Vertical and horizontal compartmentalization of the rainscreen cavity is recommend for facades greater than 70 ft. in height. 2. Provide a minimum equivalent free area of 4.5 sq.in. per 12 in. air inlet and outlet at the top and bottom of the wall assembly, at openings, and other building features that otherwise interrupt the rainscreen cavity. 3. Orient subgirts directly behind panels vertically unless approved otherwise by the manufacturer. C. Metal Protection: Where dissimilar metals will contact each other or corrosive substrates, protect against galvanic action by painting contact surfaces with bituminous coating, by applying rubberized-asphalt underlayment to each contact surface, or by other permanent separation as recommended by wall panel manufacturer. D. Accessory Installation: Install accessories with positive anchorage to building and weathertight mounting and provide for thermal expansion. Coordinate installation with flashings and other components. 1. Install components required for a complete fiber-cement wall panel assembly including trim, copings, corners, seam covers, flashings, sealants, gaskets, fillers, closure strips, and similar items. Dennis Yarmouth Intermediate Middle School January 19, 2021 Dennis Yarmouth Regional School District 100% Construction Documents Perkins Eastman DPC, project #71011 HIGH-PERFORMANCE CEMENTITIOUS WALL PANELS 07 4246 - 7 E. Flashing and Trim: Comply with performance requirements, manufacturer's written installation instructions, and SMACNA's "Architectural Sheet Metal Manual." Provide concealed fasteners where possible, and set units true to line and level as indicated. Install work with laps, joints, and seams that will be permanently watertight and weather resistant. 1. Install exposed flashing and trim that is without excessive oil canning, buckling, and tool marks and that is true to line and levels indicated, with exposed edges folded back to form hems. Install sheet metal flashing and trim to fit substrates and to result in waterproof and weather-resistant performance. 2. Expansion Provisions: Provide for thermal expansion of exposed flashing and trim. Space movement joints at a maximum of 10 feet with no joints allowed within 24 inches of corner or intersection. Where lapped or bayonet-type expansion provisions cannot be used or would not be sufficiently weather resistant and waterproof, form expansion joints of intermeshing hooked flanges, not less than 1 inch deep, filled with mastic sealant (concealed within joints). F. Installation Tolerances: Shim and align wall panel units within installed tolerance of 1/4 inch in 20 feet non-accumulative, on level, plumb, and location lines as indicated and within 1/8-inch offset of adjoining faces and of alignment of matching profiles. 3.4 ADJUSTING AND CLEANING A. Immediately after cutting and drilling, clean panels to prevent reactivation and bonding of cutting residue. B. Wipe down work immediately after installing. Do not use wire brushes, metallic tools, or abrasives for cleaning. C. Protect installed products until completion of project. 1. Protect system from roof run-off, splashed water, mud, sealants, bitumen, and other contaminants from remaining work. 2. Provide protective boards at exposed external corners, which may be damaged by construction activities D. Remove and replace broken, chipped, stained, or otherwise damaged panels END OF SECTION (THIS PAGE IS BLANK)