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SALT Schedule of Materials Control - Local Government Agency <br />Concrete Plant Batching Materials <br />Concrete Field Materials <br />Concrete Plant and Field Materials <br />All materials must come from certified or qualified sources. All certified source must state so on the delivery <br />invoices. The most current list of certified/approved sources can be found at MnDOT Material Website. <br />Materials listed on the Approved Products List do not have to be sampled and need to be listed on the Material <br />Acceptance Summary detailed in the SALT SMC. Samples can be submitted as directed by the Engineer. <br />Spec. I <br />No. Minimum Required Field Sampling Rate <br />Shall be a Certified Supplier - No Samples Required <br />unless otherwise directed by the Engineer. For certified <br />ready -mix and concrete paving sample rates: 1 sample <br />when the plant is certified. Take additional samples at 6 <br />months if producing Agency concrete, if the plant changes <br />sources or as the contract requires. The producer obtains <br />a 5 Ib. sample and stores the sample in a sealed <br />container provided by the Agency and includes the <br />suppliers delivery invoice from which the sample is <br />obtained. <br />For all concrete: 1 sample in a 1/2 pint plastic container <br />provided by the Agency when the plant is certified. Take <br />3113 additional samples at 3 months if producing Agency <br />concrete, if the plant changes sources or as the contract <br />requires. <br />1 sample in a 1 gallon clean glass or plastic container <br />from a questionable source. <br />3702 Visual Inspection, sample size 2 sq.ft. <br />Material <br />Portland Cement <br />Slag <br />Blended Cement <br />Fly Ash <br />Admixtures <br />(Accelerationg, Retarding, <br />Water -Reducing, Air - <br />Entraining, etc.) <br />Water <br />Preformed Joint Filler <br />Preformed Elastomeric <br />Type <br />Silicone Joint Sealer 3722 <br />Hot Poured 3723 <br />Elastomeric Type <br />Burlap <br />Paper <br />Membrane Curing <br />Compound <br />3101 <br />3102 <br />3103 <br />3115 <br />3906 <br />Plastic <br />3721 <br />3725 <br />3751 <br />3752 <br />3754 <br />3754AMS <br />3755 <br />3756 <br />1 per lot. Only materials from a qualified sources. <br />Link to Approved Products List. <br />Visual Inspection <br />Visual Inspection - Must be white opaque. <br />Visual Inspection - Use only pre -approved curing <br />compounds. <br />Visual Inspection - Must be white opaque and free from <br />holes. <br />Form No. <br />24300 <br />ID Card <br />Cement <br />Samples <br />24308 Fly Ash <br />2410 Sample <br />ID Card <br />2410 Sample <br />ID Card <br />Refer to the "Metals"schedule for sampling requirements for concrete reinforcement. <br />Agencies using MnDOT Metro Inspection Services will be sampled at the current MnDOT Schedule of Materials <br />Control rates and will be billed accordingly. <br />2017 <br />