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Transit Mix Concrete Co. Materials Laboratory <br /> 444 Gut Camilla Fncnuc 2396 IAA)96 Cut <br /> Colamdo Spring,Colorado 60903 Vucblo,Color-do$1002 <br /> 11h.(719)475.0700 (ai(719)475.02:6 Ph (719)5434699 Vat(719)583.0345 <br /> April 14, 2017 <br /> RE: No.8 Coarse Concrete Aggregate <br /> Grisenti Aggregate Pit <br /> Fremont County,Colorado <br /> Gentlemen: <br /> This letter presents the results of physical p operiies and deleterious substances tesfs performed cn a <br /> Coorse cagregote that vros sampled on tv;arch 20,2017 at Grisenti Aggregate Pil. The results ore as <br /> follows- <br /> SievE Size Percent Pas5ina Specifications <br /> No.8 <br /> 12.5 mrn, 1/2' 1 D0 100 <br /> 9.5 mm,3/8" 100.0 85- 100 <br /> 4.75 mm, No. 4 23.0 10-30 <br /> 2.36 mm,No.6 1.4 0- 10 <br /> i.18 mm, No. 16 0.7 0-5 <br /> 75 um.No. 200 0.3 0- 1.5 <br /> Los Angeles Abrasion (Grading C): 30.0% Loss AASHTO T-96 <br /> Sulk Specific Gravity (SS[?(: 2.58 Absorption: 0.9% AASHTO T-B5 <br /> hlogne5ium Sulfate Soundness (Five Cycles): 4.01, Loss AASHTO T-104 <br /> Sodium Sulfate Soundness (rive Cycles): 2.87. Loss AASHIO `1-104 <br /> Clay Lumps and Friable Particles: AASHTO T-1 12 <br /> Organic Impurities' /Cteor AASHIO T-2i <br /> Bull:Densily by Podding: 99 Ib(fl3 voids: 38% AASHTO T-19 <br /> Mortar Bar Expansion, (ASR) G, 16 Days: 0,05`C ASTM C 1567 <br /> Toe above sornp;e vros tesied accord+na to Amercor•Society for Test'nq and Materials (ASTM) <br /> proceoures D-75,C-702.C-1 17.C-136,C-33, C-40,C-142,C-88,C-127, C-131, C-29 and <br /> C-1567. <br /> The above somple contarms to the requirrrments of ASTM C 33,TABLE 3,Limits for Deleterious <br /> Substances and Physical Property Requirements a!Coar;e Aggregate for Concrete, (IS, 2S.3S,45, 55. <br /> 1h1, 2M., 41.1, 5M, IN and 2N). <br /> If you have ony quesllons feel free to contact me al your eorl'e_l convenience <br /> Re5pec:101y SuUnilted, <br /> f7 <br /> A// I <br /> u1'. 57cz ko} ski <br /> Aggreacle Guallty Control Manager <br /> S ONAi.'� <br />