SECTION 03 05 00

CONCRETE MOISTURE VAPOR REDUCTION ADMIXTURE

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PART 1    GENERAL
1.1	SECTION INCLUDES
A.	Concrete Moisture Vapor Reduction Admixture (MVRA). Use for new concrete for the following applications:
1.	Slabs on grade.
2.	Elevated slabs.
3.	Roof decks.
4.	Stair treads and landings.
1.2	RELATED SECTIONS
A.	Section 03 30 00 - Cast-in-Place Concrete.
B.	Section 07 27 19 - Plastic Sheet Air Barriers.
C.	Section 09 60 00 - Flooring
1.3	REFERENCES
A.	American Concrete Institute (ACI):
1.	ACI 302.2R-06 - Guide for Concrete Slabs that Receive Moisture-Sensitive Flooring.
2.	ACI 305R-10 - Guide to Hot Weather Concreting.
3.	ACI 306R-10 - Guide to Cold Weather Concreting.
B.	ASTM International (ASTM):
1.	ASTM C 494 - Standard Specification for Chemical Admixtures for Concrete.
2.	ASTM D 5084 - Standard Test Methods for Measurement of Hydraulic Conductivity of Saturated Porous Materials Using a Flexible Wall Permeameter.
3.	ASTM E 1643 - Standard Practice for Selection, Design, Installation, and Inspection of Water Vapor Retarders Used in Contact with Earth or Granular Fill under Concrete Slabs.
4.	ASTM E 1745 - Standard Specification for Plastic Water Vapor Retarders Used in Contact with Soil or Granular Fill under Concrete Slabs.
5.	ASTM F 710 - Standard Practice for Preparing Concrete Floors to Receive Resilient Flooring.
6.	ASTM F 1869 - Standard Test Method for Measuring Moisture Vapor Emission Rate of Concrete Subfloor Using Anhydrous Calcium Chloride.
7.	ASTM F 2170 -Standard Test Method for Determining Relative Humidity in Concrete Floor Slabs Using in situ Probes.
C.	National Ready Mix Concrete Association (NRMCA):
1.	NRMCA Certification of Ready Mixed Concrete Production Facilities.
1.4	DEFINITIONS
A.	Cementitious Materials: Portland cement alone or in combination with one or more of the following:
1.	Blended hydraulic cement.
2.	Fly ash and other pozzolans.
3.	Ground granulated blast-furnace slag.
4.	Silica fume.
1.5	SUBMITTALS
A.	Submit under provisions of Section 01 30 00 - Administrative Requirements.
B.	Product Data:
1.	Manufacturer's data sheets on each product to be used.
2.	Preparation instructions and recommendations.
3.	Storage and handling requirements and recommendations.
4.	Typical installation methods.
C.	Warranties
1.	Sample lifetime warranty against flooring/coating failure due to concrete moisture vapor emission (MVE).
2.	Sample MVRA adhesion warranty.
D.	Sustainable Design Submittals:
1.	Environmental Product Declaration. (EPD)
2.	Regional Materials.
3.	Low-Emitting Materials.
4.	Health Product Declaration (HPD).
5.	NSF/ANSI 61:  Drinking Water System Components - Health Effects Compliant. 
6.	NSF/ANSI 372:  Drinking Water System Components - Lead Content Compliant.
1.6	QUALITY ASSURANCE
A.	Manufacturer Qualifications: Company specializing in manufacturing products specified in this section.
B.	Ready Mixed Concrete Manufacturer Qualifications:
1.	Firm experienced in manufacturing ready-mixed concrete products.
2.	Comply with ASTM C94/C94M requirements for production facilities and equipment.
3.	Manufacturer certified per NRMCA certification procedures.
C.	Slab Testing and Evaluation:
1.	Personnel performing laboratory tests: Certified in conduct of ASTM D 5084 under supervision of licensed geotechnical engineer.
2.	Determination of whether concrete slab is prepared to receive flooring, coatings, or roofing rests with MVRA manufacturer.
3.	Concrete slabs dosed with MVRA do not require testing per ASTM F 1869 nor ASTM F 2170.
D.	Installer Qualifications: Company specializing in performing Work of this section.
E.	Source Limitations: Provide each type of product from a single manufacturing source to ensure uniformity.
1.7	PRE-INSTALLATION CONFERENCE
A.	Convene a conference approximately two weeks before scheduled commencement of the Work. Attendees shall include Architect, Contractor and trades involved. Agenda shall include schedule, responsibilities, critical path items and approvals.
1.8	DELIVERY, STORAGE, AND HANDLING
A.	Store and handle in strict compliance with manufacturer's written instructions and recommendations.
B.	Protect from damage due to weather, excessive temperature, and construction operations.
1.9	PROJECT CONDITIONS
A.	Maintain environmental conditions (temperature, humidity, and ventilation) within limits recommended by manufacturer for optimum results. Do not install products under environmental conditions outside manufacturer's recommended limits.
1.10	WARRANTY
A.	Manufacturer's Warranty: Provide manufacturer's lifetime warranty against concrete induced moisture vapor failure, providing coverage for:
1.	Repair or removal of failed flooring or roofing.
2.	Placement of topical moisture remediation system.
3.	Replacement of flooring or roofing materials to match original including material and labor.
B.	Provide manufacturer's adhesion warranty, matching terms of adhesive or primer manufacturer's material adhesion warranty.
PART 2    PRODUCTS
2.1	MANUFACTURERS
A.	Acceptable Manufacturer: 
1.	ISE Logik Industries, which is located at: 5635 Iron Works Road, Theodore, AL 36581; Phone: 877-549-5159; Web: www.iselogik.com. 
B.	Substitutions: Not permitted.
C.	Requests for substitutions will be considered in accordance with provisions of Section 01 60 00 - Product Requirements.
2.2	CONCRETE MOISTURE VAPOR REDUCTION ADMIXTURE (MVRA)
A.	Performance Requirements:
1.	Hydraulic Conductivity: Project specific maximum of 6.0 E-8 cm/s per ASTM D 5084.
2.	Toxicity: None.
3.	Odor: None.
4.	Flammability: None.
5.	Volatile Organic Compound (VOC) Content: 0 grams per liter.
6.	Freeze Temperature: 32 degrees F (0 degrees C).
7.	pH: 11.3.
B.	Basis of Design: MVRA 900; as manufactured by ISE Logik Industries, Inc.
1.	Liquid admixture formulated to react with hydroxide ions produced by cement hydration process, creation additional hydration products within capillary pores, blocking moisture vapor movement through concrete.
2.	Non-toxic.
3.	Volatile organic compound (VOC) free.
2.3	ACCESSORIES
A.	Sheet Vapor Retarder: Specified in Section 03 30 00 - Cast-in-Place Concrete.
B.	Sheet Vapor Retarder: Specified in Section 07 27 19 - Plastic Sheet Air Barriers.
C.	Flooring Adhesive: Specified in Section 09 05 61, 09 62 00, 09 64 00, 09 65 00, 09 68 00.
1.	Provide adhesive manufacturer's performance bond warranty against installation failure due to defective product providing coverage for: 
a.	Equivalent floor covering 
b.	Replacement adhesive manufacturer's product 
c.	Reasonable labor costs to repair or replace the failed portion of the installation 
2.	Contract Documents are based on Taylor Adhesives. Web: www.tayloradhesives.com.
2.4	MIXES
A.	Moisture Vapor Reducing Admixture (MVRA) for new concrete, slabs below grade, slabs on grade, elevated slabs, roof deck, stair treads and landings, and exterior balconies.
B.	Add MVRA to concrete mix in accordance with manufacturer's instructions.
C.	Add MVRA at rate of 12 ounces per 100 pounds (355ml per 45 kg) of total cementitious materials.
D.	Replace mix water on one-for-one basis in amount equal to amount of MVRA added.
E.	Add MRVA directly to freshly mixed concrete at end of the batch process with tail water.
F.	Ready-Mixed Concrete:
1.	Measure, batch, mix, and deliver concrete with MVRA in accordance with ASTM C94/C94M.
2.	Furnish batch ticket information showing dosage of MVRA.
G.	Site Mixing:
1.	Measure, batch, and mix concrete materials and concrete in accordance with ASTM C94/C94M.
2.	Add MVRA to where it makes direct contact with ready mix, then rotate drum of batch truck on high for at least seven minutes prior to discharge.
H.	Freshening onsite with held back mix water is acceptable if in accordance with ACI guidelines and if amount does not exceed original water to cementitious material ratio.
1.	Comply with instructions of Architect.
2.	Comply with instructions of Design/Builder.
3.	Comply with instructions of Structural Engineer.
I.	Use water reducing admixtures to achieve desired slump.
J.	Use of other admixtures in same batch as MVRA is acceptable if each admixture is added separately.
PART 3    EXECUTION
3.1	EXAMINATION
A.	Do not begin installation until substrates have been properly constructed and prepared.
B.	If substrate preparation is the responsibility of another installer, notify Architect in writing of unsatisfactory preparation before proceeding.
C.	Protect and repair vapor retarder in accordance with ASTM E1643, ASTM F710, ACI 302.2R-06, and manufacturer's instructions.
3.2	INSTALLATION
A.	Install in accordance with manufacturer's instructions, approved submittals and in proper relationship with adjacent construction.
B.	Comply with requirements of Section 03 30 00 - Cast-in-Place Concrete for concrete mixing, placing, and curing.
C.	Install, protect and repair sheet vapor retarder in accordance with to ASTM E1643, ASTM F710, ACI 302.2R-06, and manufacturer's instructions.
D.	Protect freshly placed concrete from premature drying and excessive cold or hot temperatures. Comply with ACI 306R-10 for cold-weather protection and ACI 305R-10 for hot-weather protection during curing.
E.	Curing.
1.	Cure concrete slabs to receive moisture sensitive coatings according to ACI 302.2R-06 by one or more of following methods:
a.	Moisture-retaining cover curing.
b.	Self-dissipating curing compound.
c.	Cure and seal curing compound.
2.	Verify curing method in writing with MVRA manufacturer before placement of concrete slabs containing MVRA product.
3.3	FIELD QUALITY CONTROL
A.	Project specific quality control process required by MVRA manufacturer necessary to convey concrete moisture vapor emission flooring failure warranty and stand-alone adhesion warranty.
B.	Project team: Upon request, provide batch tickets indicating presence and dosage of MVRA in mix.

END OF SECTION