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INDIAN RIVER COUNTY JULY 25, 2014 <br />INTERGENERATIONAL RECREATION CENTER 100% CONSTRUCTION DOCUMENTS <br />D. Sample life of the concrete warranty. <br />E. Sample adhesion guarantee. <br />F. Sample moisture letter. <br />G. MSDS. <br />H. Sheet Vapor Retarder product data submittal <br />1.6 QUALITY ASSURANCE <br />A. Manufacturer Qualifications: A firm with not less than ten (10) years' experience in the <br />manufacture of the specified concrete moisture vapor reduction admixture, capable of <br />providing test reports indicating compliance with specified performance requirements, <br />and able to provide on-site technical representation should the need arise. Selected <br />product must have certification of compliance with ASTM C494 /C494M testing protocols <br />from an independent AASHTO approved laboratory. <br />B. Pre -installation Conference. <br />1. Verify all are familiar with MVRA project specific quality control procedures, <br />review concrete mix designs and examine procedures for ensuring quality of <br />concrete materials. Each entity directly concerned with MVRA dosed concrete <br />must attend in person or conference call and provide electronic review of <br />documents, mix designs and procedures. Meeting minutes and a letter stating <br />this requirement has been fulfilled shall be taken by the contractor then directed <br />to the Architect for compliance, prior to any concrete fabrication or installation. <br />Those required to participate or to review include but are not limited to: <br />a. Contractor. <br />b. Independent testing agency responsible for concrete design mixtures, <br />sampling and testing. <br />c. Ready -mix concrete manufacturer. <br />d. Concrete subcontractor <br />e. Moisture Vapor Reduction Admixture manufacturer. <br />C. Ready Mixed Concrete Manufacturer Qualifications: A firm experienced in manufacturing <br />ready -mixed concrete products and that complies with ASTM C 94/C 94M requirements <br />for production facilities and equipment. <br />1. Manufacturer certified according to NRMCA's "Certification of Ready Mixed <br />Concrete Production Facilities." <br />D. Moisture Vapor Reduction Admixture Collection Agent / Representative Qualifications <br />1. Personnel conducting field sampling on behalf of the MVRA manufacturer shall <br />be qualified as ACI Concrete Field Testing Technician, Grade 1, according to <br />ACI CP -1 or an equivalent certification program. <br />E. Moisture Testing and Evaluation: Personnel performing laboratory tests shall be certified <br />in the conduct of ASTM D5084 under the supervision of a licensed geotechnical <br />engineer. The determination as to whether the concrete slab is prepared to receive <br />flooring, coatings, roofing, etc. rests with the MVRA manufacturer. <br />F. Source Limitations: Obtain each type of concrete moisture vapor reducing admixture from <br />the same manufacturer. <br />G. ACI Publications: For slabs to receive moisture sensitive coatings or material, comply <br />with the following unless modified by requirements in the Contract Documents: <br />1. ACI 302.2R-06, "Guide for Concrete Slabs that Receive Moisture -Sensitive <br />Flooring". <br />HIGH PERFORMANCE CONCRETE MOISTURE 030510- 2 <br />VAPOR REDUCING ADMIXTURE <br />