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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: 15-0090 Report Number: 1(B) <br /> Project: Climax Mine -CAVR Shaft Closure <br /> Client: Harrison Western Construction <br /> Address: 1208 Quail Street <br /> Lakewood, Colorado 80215 <br /> Attn: Eric Gavin <br /> FIELD TEST CONDITIONS AND RESULTS <br /> Date Placed:8/12/2015 <br /> Time Sampled:10:15 AM <br /> Structure:Climax CAVR Shaft Closure Cap Slab <br /> Location of Sample:S. Side Center of Shaft Closure Cap Slab <br /> Supplier: Everist Materials, LLC <br /> Truck Number:0077 Measured Specified <br /> Ticket Number: 1009399 Slump: NA 3-5" <br /> Mix Number:360209H Air Content: NA 5-8% <br /> Design Strength:6000 Concrete Temp: NA <br /> Time Batched:8:24 AM Ambient Temp: 48 <br /> Time Placed:10:12 AM Unit Weight: NA <br /> Batch Size:7.5/15/15 Curing Method:Water Bath <br /> Water Added:7 gallons Technician:J. Huitema <br /> LABORATORY TEST RESULTS <br /> Test Percent of Type of <br /> Specimen Date Age Load Diameter Area Strength Design Fracture <br /> 3381-A 8/19/2015 7 86890 4.00 12.57 6915 5 <br /> 3381-B 9/9/2015 28 110160 4.00 12.57 8765 146% 5 <br /> 3381-C 9/9/2015 28 105880 4.01 12.63 8380 140% 5 <br /> 3381-D 9/9/2015 28 112090 4.01 12.63 8875 148% 5 <br /> Remarks:Sampled from direct discharge. TYPES OF FRACTURE <br /> Cylinders initial cured in a water bucket. k/c /)\ <br /> Average 28-day strength =8670 psi /� / \ <br /> Type 1 Type 2 Type 3 <br /> Copies to: <br /> Type 4 Type 5 Type 6 <br /> Reported by: <br /> John Williams <br /> Project Manager <br />