ࡱ> Z\Yg c=bjbj ERr\r\z4DDDDDXXX8<XP(f(&&&   '''''''$)l,'D     'DD&&' """ D&D&&" '""S%%& k%&(<P(%-e!`-%%J-D%  "     ''":   P(    -         > : Copyright 2010 by The American Institute of Architects (AIA) Exclusively published and distributed by Architectural Computer Services, Inc. (ARCOM) for the AIA SECTION 035416 - HYDRAULIC CEMENT UNDERLAYMENT GENERAL RELATED DOCUMENTS Retain or delete this article in all Sections of Project Manual. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section. SUMMARY Section includes hydraulic-cement-based, polymer-modified, self-leveling underlayment for application below interior floor coverings. ALLOWANCES Retain products and work included in this Section that are covered by cash or quantity allowance. Do not include amounts. Insert descriptions of items in Part2 or 3 to provide information affecting the cost of the Work that is not included under the allowance. Furnish hydraulic-cement-based underlayment as part of underlayment allowance. Furnish and install hydraulic-cement-based underlayment as part of underlayment allowance. UNIT PRICES Retain products and work included in this Section that are covered by unit prices. Do not include amounts. Insert descriptions of items in Part2 or 3 to provide information affecting the cost of the Work that is not included under the unit price. Work of this Section is affected by underlayment unit price. ACTION SUBMITTALS Product Data: For each type of product indicated. LEED Submittals (Projects authorized for LEED certification only): "Product Data for CreditIEQ4.2" Subparagraph below applies to LEED-NC, LEED-CI, and LEED-CS; coordinate with requirements selected in Part2 for paints and coatings. Product Data for CreditIEQ4.2: For priming and sealing coatings, documentation including printed statement of VOC content. "Laboratory Test Reports for CreditIEQ4" Subparagraph below applies to LEED for Schools. Laboratory Test Reports for CreditIEQ4: For priming and sealing coatings, documentation indicating that products comply with the testing and product requirements of the California Department of Health Services' "Standard Practice for the Testing of Volatile Organic Emissions from Various Sources Using Small-Scale Environmental Chambers." Retain paragraph below if survey of existing conditions is required. Shop Drawings: Include plans indicating substrates, locations, and average depths of underlayment based on survey of substrate conditions. INFORMATIONAL SUBMITTALS Coordinate first paragraph below with qualification requirements in Section014000 "Quality Requirements" and as supplemented in "Quality Assurance" Article. Qualification Data: For qualified Installer. Retain first paragraph below if retaining "Product Compatibility" Paragraph in "Quality Assurance" Article. Product Certificates: Signed by manufacturers of underlayment and floor-covering systems certifying that products are compatible. Retain paragraph below if preinstallation conference. Minutes of preinstallation conference. QUALITY ASSURANCE Some manufacturers approve installers; others do not. Revise first paragraph below to suit products selected. Installer Qualifications: Installer who is approved by manufacturer for application of underlayment products required for this Project. Product Compatibility: Manufacturers of underlayment and floor-covering systems certify in writing that products are compatible. Retain first paragraph below only if products specified in Part2 are part of a fire-resistance-rated assembly. Indicate rating, testing agency, and testing agency's design designation on Drawings. Fire-Resistance Ratings: Where indicated, provide hydraulic-cement underlayment systems identical to those of assemblies tested for fire resistance per ASTME119 by a qualified testing agency. Identify products with appropriate markings of applicable testing agency. Indicate design designations from UL's "Fire Resistance Directory" or from the listings of another qualified testing agency. Retain first paragraph below for sound transmission class- (STC) and impact insulation class- (IIC) rated assemblies. Indicate design designations of specific assemblies on Drawings. IBC 2006 requires a minimum STC of 50 (45 if field tested) for airborne sound transmission and a minimum IIC of 50 (45 if field tested) for structure-borne sound transmission between adjacent dwelling units or between public areas and dwelling units. Sound Transmission Characteristics: Where indicated, provide hydraulic-cement underlayment systems identical to those of assemblies tested for STC and IIC ratings per ASTME90 and ASTME492 by a qualified testing agency. Retain paragraph below if Work of this Section is extensive or complex enough to justify a preinstallation conference. Preinstallation Conference: Conduct conference at [Project site] . DELIVERY, STORAGE, AND HANDLING Store materials to comply with manufacturer's written instructions to prevent deterioration from moisture or other detrimental effects. PROJECT CONDITIONS Environmental Limitations: Comply with manufacturer's written instructions for substrate temperature, ventilation, ambient temperature and humidity, and other conditions affecting underlayment performance. Place hydraulic-cement-based underlayments only when ambient temperature and temperature of substrates are between 50 and 80 degF (10 and 27 degC). COORDINATION Coordinate application of underlayment with requirements of floor-covering products and adhesives, to ensure compatibility of products. PRODUCTS HYDRAULIC-CEMENT-BASED UNDERLAYMENTS Underlayment: Hydraulic-cement-based, polymer-modified, self-leveling product that can be applied in minimum uniform thickness of 1/4 inch (6 mm) and that can be feathered at edges to match adjacent floor elevations. See Editing Instruction No.1 in the Evaluations for cautions about naming manufacturers and products. See Section016000 "Product Requirements." Basis of Design Product: Subject to compliance with requirements, provide K-15 Self-Levelling Underlayment Concrete by Ardex, Aliquippa, PA, or a comparable product by one of the following : HYPERLINK "http://www.specagent.com/LookUp/?uid=123456818024&mf=04&src=wd"Bonsal American, an Oldcastle company; ProSpec Level Set200 . www.bonsal.com HYPERLINK "http://www.specagent.com/LookUp/?uid=123456817953&mf=04&src=wd"Dayton Superior Corporation; LeveLayer. www.daytonsuperior.com Substitutions: See Section 01 25 00 - Product Requirements. Revise first two subparagraphs below to suit products selected. Cement Binder: ASTMC150, portland cement, or hydraulic or blended hydraulic cement as defined by ASTMC219. Compressive Strength: Not less than 4000 psi (27.6 MPa) at 28 days when tested according to ASTMC109/C109M. Retain subparagraph below if required. Some manufacturers recommend additives for applications over cutback adhesive or wood and metal substrates. Underlayment Additive: Resilient-emulsion product of underlayment manufacturer, formulated for use with underlayment when applied to substrate and conditions indicated. Retain first paragraph below if addition of aggregate filler is required by manufacturer to achieve thickness indicated. Aggregate: Well-graded, washed gravel, 1/8 to 1/4 inch (3 to 6 mm); or coarse sand as recommended by underlayment manufacturer. Provide aggregate when recommended in writing by underlayment manufacturer for underlayment thickness required. Water: Potable and at a temperature of not more than 70 degF (21 degC). When applied over wood, some manufacturers recommend reinforcing their products; see Hydraulic Portland-Cement Underlayment Table in the Evaluations in Section035400 "Cast Underlayment." Retain first paragraph below if applicable. Reinforcement: For underlayment applied to wood substrates, provide galvanized metal lath or other corrosion-resistant reinforcement recommended in writing by underlayment manufacturer. Primer: Product of underlayment manufacturer recommended in writing for substrate, conditions, and application indicated. Retain first subparagraph below if required for LEED-NC, LEED-CI, or LEED-CSCreditIEQ4.2. Primer shall have a VOC content of 200g/L or less when calculated according to 40CFR59, SubpartD. Retain subparagraph below if required for LEED for Schools CreditIEQ4. Primer shall comply with the testing and product requirements of the California Department of Health Services' "Standard Practice for the Testing of Volatile Organic Emissions from Various Sources Using Small-Scale Environmental Chambers." Retain paragraph below for metal substrates. Some manufacturers do not recommend using their products over metal. Corrosion-Resistant Coating: Recommended in writing by underlayment manufacturer for metal substrates. Retain first subparagraph below if required for LEED-NC, LEED-CI, or LEED-CSCreditIEQ4.2. Coating shall have a VOC content of 250g/L or less when calculated according to 40CFR59, SubpartD. Retain subparagraph below if required for LEED for Schools CreditIEQ4. Coating shall comply with the testing and product requirements of the California Department of Health Services' "Standard Practice for the Testing of Volatile Organic Emissions from Various Sources Using Small-Scale Environmental Chambers." EXECUTION EXAMINATION Examine substrates, with Installer present, for conditions affecting performance. Proceed with application only after unsatisfactory conditions have been corrected. PREPARATION General: Prepare and clean substrate according to manufacturer's written instructions. Treat nonmoving substrate cracks according to manufacturer's written instructions to prevent cracks from telegraphing (reflecting) through underlayment. Fill substrate voids to prevent underlayment from leaking. Retain applicable substrates in first four paragraphs below. If underlayments will be installed over adhesive residues, consult manufacturers for recommendations and revise first paragraph below. Concrete Substrates: Mechanically remove, according to manufacturer's written instructions, laitance, glaze, efflorescence, curing compounds, form-release agents, dust, dirt, grease, oil, and other contaminants that might impair underlayment bond. Retain subparagraph below if required by manufacturer for underlayment placed on hardened concrete slabs. Moisture Testing: Perform anhydrous calcium chloride test, ASTMF1869. Proceed with installation only after substrates do not exceed a maximum moisture-vapor-emission rate of [3 lb of water/1000 sq. ft. (1.36 kg of water/100 sq.m)] in 24 hours. Wood Substrates: Mechanically fasten loose boards and panels to eliminate substrate movement and squeaks. Sand to remove coatings that might impair underlayment bond and remove sanding dust. Retain subparagraph below if applicable. Install underlayment reinforcement recommended in writing by manufacturer. Metal Substrates: Mechanically remove, according to manufacturer's written instructions, rust, foreign matter, and other contaminants that might impair underlayment bond. Apply corrosion-resistant coating compatible with underlayment if recommended in writing by underlayment manufacturer. Nonporous Substrates: For ceramic tile, quarry tile, and terrazzo substrates, remove waxes, sealants, and other contaminants that might impair underlayment bond, and prepare surfaces according to manufacturer's written instructions. Adhesion Tests: After substrate preparation, test substrate for adhesion with underlayment according to manufacturer's written instructions. Retain paragraph below if sound control material is required. Sound Control [Mat] [and] [Board]: Install sound control materials according to manufacturer's written instructions. Do not install mechanical fasteners that penetrate through the sound control materials. APPLICATION Indicate underlayment thicknesses on Drawings or insert requirements in this article. General: Mix and apply underlayment components according to manufacturer's written instructions. Close areas to traffic during underlayment application and for time period after application recommended in writing by manufacturer. Coordinate application of components to provide optimum underlayment-to-substrate and intercoat adhesion. Retain subparagraph below for moving joints in floor. Detail joints on Drawings and revise below to suit Project. At substrate expansion, isolation, and other moving joints, allow joint of same width to continue through underlayment. Apply primer over prepared substrate at manufacturer's recommended spreading rate. Apply underlayment to produce uniform, level surface. Retain first subparagraph below if addition of aggregate is required for thickness indicated. Apply a final layer without aggregate to product surface. Feather edges to match adjacent floor elevations. Cure underlayment according to manufacturer's written instructions. Prevent contamination during application and curing processes. Do not install floor coverings over underlayment until after time period recommended in writing by underlayment manufacturer. Remove and replace underlayment areas that evidence lack of bond with substrate, including areas that emit a "hollow" sound when tapped. PROTECTION Protect underlayment from concentrated and rolling loads for remainder of construction period. 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