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Transit Mix Concrete Co. Materials Laboratory <br /> •1.14 fast Castilla Ati cnuc 2596 Ila s 96 Iasi <br /> Colorado Springs.Cniondn 90903 11U64,CoIor3do S1002 <br /> I'll (719)475-0700 1 at(719)475.0226 I'll (714}543.789S I ai(719)5S3-0345 <br /> April 17, 2017 <br /> RE: Fine Concrete Aggregate <br /> Daniels Sand Pit <br /> 3710 Bradley Road <br /> Colorado Springs,Colorado 809)6 <br /> Gentlemen: <br /> This letter presents the results of physical properties and deleterious substances tests performed on a Fine <br /> Concrete Aggregate that was sampled on March,22nd 2017 at Daniels Sand Pit. <br /> The results are as follows: <br /> Sieve Size Percent Passing Specifications <br /> ASTM C 33 Fine Concrete Agg <br /> 9.5 mm, 3/8" 100 100 <br /> 4.75 mm,No.4 99.5 95- 100 <br /> 2.36 mm,No.8 89.5 80- 100 <br /> 1.18 mm,No. 16 65.9 50-85 <br /> 600 um, No.30 42.9 25-60 <br /> 300 um, No.50 21.7 10-30 <br /> 150 um, No. 100 5.2 0- 10 <br /> 75 um, No. 200 0.4 0-3 <br /> Fineness Modulus: 2.75 AASHTO T-37 <br /> Bulk Specific Gravity (SSD): 2.60 Absorption: 0.817. AASHTO T-85 <br /> Magnesium Sulfate Soundness (Five Cycles): 2.97o Loss AASHTO T-104 <br /> Sodium Sulfate Soundness (Five Cycles): 2.1% Loss AASHTO T-104 <br /> Average Sand Equivalent_ 91 AASHTO T-176 <br /> Clay Lumps and Friable Particles- 0.01 AASHTO T-112 <br /> Organic Impurities: Clear AASHTO T-21 <br /> Mortar Bar Expansion (ASR) g 16 Days Age: 0.02% ASTM C-1567 <br /> Mortar Bar Expansion (ASR) o 16 Days Age: 0.03 o ASTM C-1260 <br /> The above somp e was tested according to Amer'con Society for lest ng and Moier'cr s (ASIM) procedures D- <br /> 75 D-2419,C-142 C 702 C-1 17 C 136 C 33 C 4 C-88 C-128 a' ci C 1260. <br /> f you hove any quest ns fee free t c to t m at yo_r ear est con en enc,. <br /> i <br /> Pau A. Pszczolko s <br /> Aggregate Qual t C tro Manager <br /> 7�n1AL�� <br />