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Martinez REPORT OF CONCRETE CYLINDER TEST <br />Associates Martinez Associates <br />14828 W. 6th Ave., Unit 9-B Golden, Colorado 80401 <br />Report Date: 9/15/15 <br />Project Number: <br />Project: <br />Client: <br />Address: <br />Attn: <br />15-0090 Report Number: 1(A) <br />Climax Mine - CAVR Shaft Closure <br />Harrison Western Construction <br />1208 Quail Street <br />Lakewood, Colorado 80215 <br />Eric Gavin <br />FIELD TEST CONDITIONS AND RESULTS <br />Date Placed: 8/12/2015 <br />Time Sampled: 9:42 AM <br />Structure: CAVR Shaft Closure Cap Slab <br />Location of Sample: NWC of Closure Cap Slab <br />Supplier: Everist Materials, LLC <br />Truck Number: 0152 <br />Ticket Number: 1009395 <br />Mix Number: 360209H <br />Design Strength: 6000 <br />Time Batched: 7:40 AM <br />Time Placed: 9:37 AM <br />Batch Size: 7.5/7.5/15 <br />Water Added: 5 gallons <br />Slump: <br />Air Content: <br />Concrete Temp: <br />Ambient Temp: <br />Unit Weight: <br />Curing Method: Water Bath <br />Technician: J. Huitema <br />Measured Specified <br />4.5" 3-5" <br />5.7% 5-8% <br />76 <br />48 <br />NA <br />LABORATORY TEST RESULTS <br />Test Percent of Type of <br />Specimen Date Age Load Diameter Area Strength Design Fracture <br />3380-A 8/19/2015 7 79540 4.00 12.57 6330 2 <br />3380-B 9/9/2015 28 100300 4.01 12.63 7940 132% 2 <br />3380-C 9/9/2015 28 99330 4.01 12.63 7865 131% 5 <br />3380-D 9/9/2015 28 94310 4.01 12.63 7465 124% 5 <br />Remarks: Sampled from direct discharge. <br />Cylinders initial cured in a water bucket. <br />Average 28 -day strength = 7780 psi <br />Copies to: <br />TYPES OF FRACTURE <br />x <br />Type 1 <br />r <br />Type 4 <br />A <br />Type 2 <br />Type 5 <br />Type 3 <br />Type 6 <br />Reported by. <br />John Williams <br />Project Manager <br />