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(12/16198 12;51 M71P 597 2111 EMPIRE :_AnS:'C:CS. IM002 �� r <br /> Neuman � <br /> CONSULTANTS WESTERN,INC. <br /> 7 Feu Y c-GiGi+Roa:,8u1Co 14a <br /> Fe b r u a-rY 1 IS, 19 96 colefado springs.coicrado em15 <br /> (71e)597-2iie R3x(7iI))5Q7.2117 <br /> PK Enterprises, Inc_ <br /> PC, Box s 8 <br /> Divide, Cc>Urado <br /> Attn:Mir, Greg Loop <br /> Re: Resu ft!' of Laboratory Vesting i <br /> Mueller Pit <br /> Divide, Colorado <br /> Terra-con Project I+3o_ 23JS10 t2 <br /> Terracon has completed the requested laboratory testing for the materiais provided from the <br /> tuiueller Pit in Divide, Colorado. The testing requested consisted of L. A_ abrasion and percent <br /> fractured faces_ This testing was used tar supplement previous testing conducted on these <br /> materials in 1991 (E_L.I. Project No. JOM-91 dated August 26, 1991)_ The purpose of the f <br /> requested testing was to provide information regarding conformance to Colorado Department of <br /> Transportation Speci ications for aggregates for bases. <br /> The results of the L. A. abrasion and percent fractured faces testing are presented below: <br /> L. A.Abrasion 62% <br /> Percent Fractured Faces <br /> Single Face 96% <br /> Double Face 87% i 1 <br /> Ttie results of our previous testing are attached. <br /> i� <br /> Biased on the State Department of Highways, Division of Highways, State of Colorado, <br /> Standard SpeciGcafr'ors for Road and Sr;dge Construct,'crr, dated 1991, Section 703.03, <br /> Aggregate for Bases, the materials submitted generally meet the grading requirements for <br /> Classes 1, 2, 3, and 5. In addition, the materials do not vary significantly from the grading <br /> requirements for Glasses g and 1. The materials also meet the plasticity requirements for all j <br /> classes of aggregates for bases. There is no requirement for percent fractured faces. U <br /> The materials tested generally do not meet Arne L. A. Abrasion requiremertt of 50 percent a <br /> maximum. However, the materials tested were granitic, and the abrasion results may represent <br /> more weathered portions of the materials in the borrow pit. VUe understand that these materials ` <br /> Have successfully been used for base materials in the Mast. L <br /> Offices of TheTemacon Conn;anias,Inc. CeotEchnlcal_Errriranmentol and Matcriala Engin=3 <br /> Arimna ! Afttras mrado III III ► in Idaho 2 Illinois Iowa ■ Kansas ■ m ota j 1 <br /> Missowi ■ Montana i ■ tNebraska ■ Nevada ■ Oklahon*e IN Tenndssee M lexes U Utah ■ Wisconsin 6 Wyoming <br /> QUALTTY ENGINEERING 91 ice 195E <br />