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BURNCD BURNCO Colorado, <br /> Drive <br /> 301 Centennial Drive <br /> Milliken,CO 80543 <br /> Concrete Mix Submittal <br /> Mix Code: 45C2N1C4C Submittal: 20--000438 Version: 1 Date: 8/52020 <br /> Description: 4500 CDOTClass B/D/P(Hand) <br /> Customer: <br /> Project Name: ENSERO SCHWARTZWALDER NWRP <br /> Class/Use: <br /> BestwayConcrete Companywill deliver concrete as to the specifications ordered.The physical properties of the concrete are to be <br /> measured atthe point ofdischarge from our mixer truck unless otherwise agreed to byall parties prior to delivery. If the concrete is <br /> pumped,placed in a bucket or other device or otherwise manipulated priorto placement,the qualitywill becomethe responsibility of <br /> the contractor responsible for the placement. <br /> Concrete Properties: <br /> Slump: 4 +/ 1.00" Strength Class: 4500 psi Maximum W/C Ratio: 0.44 <br /> Air Content: 6.5 +/ 1.5% Sand/Aggregate Ratio: 38.0 % <br /> Unit Weight: 139.8 Ib/ft3 <br /> Material Type Description Source Supplier ASTM Design Specific Volume <br /> Quantity Gravity (ft3) <br /> Cement CEM1 Mountain Cement-Laramie C150 528 lb 3.15 2.69 <br /> Fly Ash SCM2 CRMinerals-Pueblo C618 132 lb 2.35 0.90 <br /> Coarse Aggregate CRUSHED#57-67 BURNCOAggregates-Church-McKay Pit C33 1793 lb 2.67 10.76 <br /> Fine Aggregate CONCRETE SAND BURNCO Aggregates-Firestone Pit C33 Fine 1082 lb 2.63 6.59 <br /> Admixture Air Entrainment Chryso Admixtures-G100 C260 3 Iq oz - - <br /> Admucture MIDRANGEWRA Chryso Admixtures-Env iroMoc300 C494 7.0 dose - - <br /> Water WATER1 Water-Potable C1602 290 lb 1.00 4.65 <br /> Air Content 6.50 % — 1.78 <br /> Yield 3825 lb — 27.37 <br /> Prepared By <br /> "MI <br /> Mark Wade Sales Associate <br />