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EARTHWORK OBSERVATION REPORT Irerracon <br /> Report Number: 70121071.0013 <br /> Service Date: 10/11/12 5240 Green's Dairy Road <br /> Report Date: 10112112 Raleigh,NC 27616 <br /> 919-873-2211 <br /> Client Project �. <br /> Orange County,NC Walnut Grove CC Expansion <br /> Attn:Jeff Thompson NC Hwy 86&Walnut Grove Ch.Rd. <br /> 200 South Cameron Street Cedar Grove,NC <br /> Hillsborough,NC 27278 <br /> Project Number: 70121071 <br /> Service: Earthwork Observations <br /> Comments: A Ton-aeon representative was on site to quantify removal of unsuitable soil identified in a previously <br /> conducted proofroll of the southern dry pond area. Two areas of soft and wet clay were undercut <br /> measuring 72'x 92'x 2'and 10'x 92'x 3'for a total of 593 cubic yards. The over excavation was <br /> backfilled with a 2'bridge lift,Standard lifts will commence on 10/12/12. The representative also <br /> evaluated the soil subgrade at the facility entrance driveway near Walnut Grove Church Road with a <br /> probe rod. Two areas of soft and wet material were observed measuring 17'x 3'x 1`and 5'x 1'x 2'for <br /> a total of 2 cubic yards. The unsuitable soil was removed and replaced with ABC stone. <br /> Terracon is providing undercut quantities for information only. We cannot authorize additional cost. <br /> Any additional cost due to undercutting should be authorized by the owners prior to undercutting. <br /> i <br /> Services: <br /> Terraeon Rep.: J.Aaron Ezzell,EI,PG <br /> Reported To: Carey <br /> Contractor: WL Bishop <br /> Report Distribution: <br /> (1)orange County,NC,Emailed (1)HDR Engineering,Inc,Emailed <br /> (1)Orange co mcy,NC,Emailed (1)orange county,NC,mailed Reviewed By: <br /> (1)Orange County,NC,Emailed (1)WL Bishop,Emailed rvw2:ael J.Aaron Ezzell,EI,PG <br /> (1)wL Bishop,Emailed <br /> The tests were performed In general accordance with applicable ASTM,AASHTO,or DOT test methods. This report Is exclusively for the use of the client <br /> Indicated above and shall not be reproduced except in full without the written consent of our company. Test results transmitted herein are only applicable to <br /> the actual samples tested at the iocatlon(s)referenced and are not necessarily Mcative of the properties of other apparently similar or identical materials. <br /> nraooi,szaao,xev.� Page 1 oft <br />