2017-11-09_REVISION - M1973007SG

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r Transit Mix Concrete Co. BRIERLEY ASSOCIATES DAILY FIELD REPORT Project Daniel Sand W3sIt Fine Pit Location Colorado Springs. CO Client Tram -it 11fix Contractor Pioneer Sand Civil Canstntcrioti Meather Sonny I. CONTRACTOR'S ACTI4'=S; Report 1o_ OO.t Date 5.1,16-2017 Page 3 100 File No. 516051400 Temperature 43-722F Pioacer crew consisted of 6 laborers imludiq foreman Robert )antes_ Two of the Iaborers were from Mauls Coustructtoa. At 0705 lus_ dozer beton worLtug on ley excavation near �taliou 1+00 Two sm. pen began excavatinit within pond footprint and transporting soil to the new route/haul road. At 0715 hrs. n%v additional scrapers began excavating within pond footprint and tnuisportkit soil to die new rotuelaid road. At 0720 lus_ walked key excavation centerline from station l ' 00 to 8.00 to inspect progress. Bear ctarnon I+00 and 2+00, nater pondi*exposed in coarse sand layer. Water pondcd within bottow of key hear station 4+00 and 4+50. key width is approximately 15 feet At 0745 firs. Robert (Pioneer) and Grant (Trausit NUx) shot key depth at station 1-50 and 2+50 Elevation was shallow at both locations. However due to the presencc of u7ilcr near station 1-50. key excavation did not go deeper. At 0800 his. scraper rent ved approximately one foot of sod from kcy at station 2+50 io reach ley depth of 10 feet, At 0810 lirs, scarified with dozer key excavation from station 1+00 to 4+00 At 0815 hrs, dozer created access road for scraper near station 4+00 to allow for compaction of subgrade At 0820 firs. scraper smoothing the eastern toe of dant from station 1 00 to 4+00 At 0830 firs. scarified with dozer key excavation from station 6+00 to 8+00. At 0845 firs. moisture conditioning Ley with water tarok frow station 6+00 to 8+00. At 08501trs. dozer compsictin?Acveling key from station 6+00 to 5+00 At 0900lus. doze vv'uikiitg uu iicvv routellrvt,l road Filling up v.1ter tank. Ar 0930 tis. Eutech (Stu and )ill) onsite to perforin nuclear density tests on the key lifts. Entecli sad samplc had a tuaxurmut dry density of 124 pcf and optimum woistine content of 10 percent. At 0945 Ius, moisture condrtiotang key 111111 water lank front station 6+00 to B+00. At 1000 his. Entech using unclear density gatige at two locarions along souther kc)' subgrnde. Tests indicated 90 percent relative compaction and motsnire couteut 8-11 ptrcetu. At I020 hrs, scraper with full can of sol! performed several passes eloug key from station 6+00 to 8+00 in order to couipact the stibgrnde Rage I cf 3