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/.. <br />COMM~CIAL T4~ST11VG LA~OIRATORIES <br />A DIVISION OF CTL-THOMPSON <br />22 LIPAN STREET ^ENVER, COLORADO 60223 303 / 825-3207 <br />• <br />CTL/Thompson, Inc. Report Ident. No.: 6209 (Set 6) <br />1702 South Federal Blvd. Report Date: hiay 15, 1980 <br />Suite D June 6, 1980 <br />Denver, Colorado 80219 <br />Attn: Bill Hoffman <br />REPORT OF COMPRESSIVE STRENGTH TESTS. CONCRETE SPECIMENS <br />Project: Energy Fuels Coal Mine, Eckman Park, Pond A <br />Location: Rise Box and Gate Valve Box <br />Cast Date: 5-2-80 Time: 4:45 By BB <br />Concrete Mix: [3ot Submitted Batch Time: <br />Supplier. Mtn. A9obile TicketNo.: C-17460 <br />PHYSICAL PROPERTIES OF CONCRETE <br />Slump 2 `, in. Air-Content ~ Unit byeight <br />COMPRESSIVE STRENGTHS <br />Specimen Age Diameter Strength <br />~ No. Days In. Psi <br />SET #6: <br />l 7 3180 <br />2 7 2970 <br />3 28 4770 <br />4 28 4830 <br /> <br />Truck No.: <br />pcf Conc. Temp. °F 62 <br />Remarks, <br />Average: 3075 <br />Average: 4800 <br />C7l,/rNOtfpgoN Ir~c. <br />RECEIVED <br />JAN 5 l ~g,_ <br />F;'tfi <br />F11F~''' ~1..~-; <br />~= `...~- <br />COMMERCIAL~T/E~S,~T-,I-,NG LA82RATORIES <br />• By ~~ ~~'~'^ " - ~7 ~`~'~~ Specified Strength 3000 psi @?$_ days <br />Preston B. Fraker, P.E. <br />