ࡱ> }|_ 3(bjbjzyzy G_6b6b,xxxxx8$ a0( ```````$=bd`xP" P"P"`xx`'''P"xx`'P"`''bY`_@-*>#v]jx``0 a]ve#e`_ex`_ L!6'7!,c! ``%& aP"P"P"P"e B >: SECTION 03 54 16 CEMENT BASED UNDERLAYMENT GENERAL RELATED DOCUMENTS Drawings and general provisions of the Contract, including General Conditions and Division 01 Specification Sections, apply to this Section. SUMMARY Section includes cement-based, polymer-modified, self-leveling underlayment for application for interior floor coverings. Fill under fiberglass shower pans as required for leveling and full support. Broad scope leveling of existing concrete floors scheduled to have existing flooring and associated adhesive removed, and new finish flooring applied. REFERENCE STANDARDS The latest published edition of a reference shall be applicable to this Project unless identified by a specific edition date. Reference amendments adopted prior to the effective date of this Contract shall be applicable to this Project. Materials, installation and workmanship shall comply with all applicable requirements and standards. SUBMITTALS Product Data: For each type of product indicated. Product data in the form of manufacturer's technical data, specifications, and installation instructions. Shop Drawings: Include plans indicating substrates, locations, and average depths of underlayment based on survey of substrate conditions. Qualification Data: For qualified Installer. Product Certificates: Signed by manufacturers of underlayment and floor-covering systems certifying that products are compatible. QUALITY ASSURANCE 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 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 Deliver materials in manufacturer's original undamaged packages or acceptable bulk containers. Store packaged materials to protect them from elements or physical damage. Do not use cement which shows indications of moisture damage, caking, or other signs of deterioration. 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 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. Coordinate cement-based underlayment with requirements of fabricated shower pan products specified in Division 22. PRODUCTS GENERAL Materials shall meet or exceed applicable referenced standards, federal, state and local requirements, and conform to codes and ordinances of authorities having jurisdiction. CEMENT-BASED UNDERLAYMENTS Underlayment: Cement-based, polymer-modified, self-leveling product that can be applied in minimum uniform thickness of 1/8 inch (3 mm) and that can be feathered at edges to match adjacent floor elevations. Products: Subject to compliance with requirements, provide products by manufacturers manufactured by one of the following: Ardex; K-15 Self-Leveling Underlayment Concrete. BASF Construction Chemicals, Inc.; MBT Mastertop 110 Plus Underlayment Dayton Superior Corporation; LeveLayer L&M Construction Chemicals, Inc.; Levelex  HYPERLINK "http://www.specagent.com/LookUp/?uid=123456818016&mf=04&&mf=04&src=wd" MAPEI Corporation; Ultraplan1 Plus. 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. Water: Potable and at a temperature of not more than 70 degF (21 degC). Primer: Product of underlayment manufacturer recommended in writing for substrate, conditions, and application indicated. Primer shall have a VOC content of 200g/L or less when calculated according to 40CFR59, SubpartD. 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. 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. 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. KEEP ARTICLE BELOW IF USING FOR LEVELING UNDER SHOWER PANS. FORMWORK Forms: To facilitate continuous and complete filling of space below prefabricated shower pans, forms shall be strong and tight enough to prevent leaking. Place underlayment directly in void space to reduce air entrapment. Maintain full contact of underlayment with underside of shower and concrete subfloor until it hardens. Build forms leakproof that are strong and securely anchored to withstand underlayment pressures. Anchor all forms securely to prevent movement during placing or curing. APPLICATION 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. At substrate expansion, isolation, and other moving joints, allow joint of same width to continue through underlayment. Apply primer over prepared substrate at manufacturers recommended spreading rate. Apply underlayment to produce uniform, level surface. Sloping of 1/8 inch in 10-0 maximum Is permitted to produce level surface. Feather edges to match adjacent floor elevations. KEEP PARAGRAPH BELOW IF USING FOR LEVLEING UNDER SHOWER PANS Shower Pans: Apply underlayment fill under shower pans/enclosures immediately after setting, before additional load is applied. Do not dry pack. Fluid State: Pour underlayment from slanted form surface only, to avoid air pockets. Ensure underlayment fills entire void and maintains constant contact to underside of shower pan. Plastic State: Use rids, chains, or tamping to compact underlayment and remove voids. Remove forms or cut back underlayment only after initial set. Cure underlayment according to manufacturers 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. END OF SECTION 03 54 16 FOR MDACC USE ONLY. DELETE THIS PAGE BEFORE ISSUING DOCUMENTS. document revision history IssueDateRevision DescriptionAuthor20190301Original IssuanceRev. 1.Rev. 2Rev. 3 Rev. 4 Rev. 5    MD ANDERSON Project No. XXXXXXMD ANDERSON PROJECT NAMEA/E Name Issue Description A/E Project No.Month 00, 0000 鶹ӳ hydraulic cement underlaymentMD Anderson Cancer Center03 54 16 MS 20190301 PAGE 5 of  NUMPAGES 6 *+DES T 7 8 K L 9 : s v F /0FRSTs  йй h ]hM5 hM50J# hM50J$h#V( h#,hM5h@Q hoVMhM5 hoVMh4hM5hmh8W h ]h|qah6'h|qa h%w@ h6'@hQh J} h @h hWoh hWoh46+3ET 8 L 9 F Tgd@Qgde|UgdM5gd ]gd|qagdmgd ]gd ]gd)9gd)9Tse OcAgd@Qgd)9gd ]gd ]gdM5gdM5gdmgdmgd@QLT[M;<=NOc v~ku%&Mm Ų̜̑{tmmmmm h$,0h m hoVMh m hoVMh4 h ]h mh mh jh@QhM5U+jh@QhM50J%>*B*Uph%jh@QhM50J%>*B*Uph h@QhM5h@QhM50J%>*B*ph hmhM5 hCThM5 h ]hM5 hM50J# hM50J$hM5*ku&2"]U>U kZ gd ]gde|Ugd mgd mgd mgd ]gd ]gd)9gdM5gdM5 $!%!!""$%%%%&&&E&F&`&&&''' ''('-'8'D'E'K'L'W'e'f'i'''''''''''''''Ż~۪zh#;h7h huh h#V(B*phh#V(hhO> )9PRT$$ & F1$a$50Ob0 )9TITLE5;POrP PR10$$ & F `81$^8`a$XOrX ART3$$ & F `01$^`0a$;LOL PR2($$ & F 1$`a$\TOT @QPR30$$ & F 1$^`a$\TT PR40$$ & F  p1$^p`a$\TT PR50$$ & F `  1$^ `a$\HOH "e|UCMT$*$1$a$5B*\]^JphF/F mPR1 CharOJQJ\]_HmH sH tH J/J mART Char!;OJQJ\]_HmH sH tH DrD |qaSUT $*$1$@&a$OJQJ\]DrD |qaDST!$*$1$@&a$OJQJ\]@/!@ e|UCMT Char5B*OJQJ^Jph&o1& M5SI B*ph&oA& M5IP B*ph:oQ: M5 SAhyperlink >*B*phl 6U a6 M50 Hyperlink >*B*phr ( mOMNZ'$d%d&d'd-D1$M NOPQ<B* CJOJQJ\]phR/R ' mOMN Char)<B* CJOJQJfHphq  mStyle ART + Before: 18 pt4)$ & F ``h*$@&^``;OJQJ\]q + mStyle PR1 + Verdana2*$ & F ``x*$@&^``OJQJ\]P/P * mStyle PR1 + Verdana CharOJQJPK![Content_Types].xmlN0EH-J@%ǎǢ|ș$زULTB l,3;rØJB+$G]7O٭Vc:E3v@P~Ds |w< 3 ^"'+++. 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