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Cervi Sand Mine-Piezometers <br /> Weld County, Colorado <br /> Revision 1 <br /> Proposed Construction <br /> Based on the provided information and marked up site plan (Cervi Soil Survey Map (Mine <br /> Area) w Proposed Piezometer Locations.pdt), we understand that the geotechnical data <br /> has been requested in support of a proposed sand quarry operation. Temporary <br /> groundwater monitoring and observation holes have been requested in this area to <br /> measure the depth to groundwater. <br /> The project site is shown on Figure 1. If our described understanding/interpretation <br /> of the proposed project is incorrect or project elements differ in any way from that <br /> expressed above, including changes to the location of the alignment, dimensions, <br /> orientations, elevations/grades, etc., and/or structures/site improvements are <br /> incorporated into this project, either after the original information was provided to <br /> us or after the date of this report, GROUND or another geotechnical engineer must <br /> be retained to reevaluate the conclusions and parameters presented herein. <br /> Site Conditions <br /> At the time of our subsurface exploration, <br /> the project site consisted of a largely <br /> vacant parcel with local oil and gas �; ,F <br /> development. A gravel-surfaced access . 1 �> g <br /> road was observed to the north of the site 1 , <br /> which extended north towards US-34 «max " °` ` <br /> Barbed wire fences were observed along <br /> the margins of site. They also partitioned 7.' �, <br /> the site, with fences extending through the ;`_ �.,�> ��; r � r sr ,� � tro!•,, <br /> central and southern portions of the site. A € . " ` ` =` ' "`- <br /> cattle water trough and an oil and gas <br /> tanks and piping were noted to the west of <br /> Test Hole 3. Another gravel-surfaced <br /> access road extended northeast from the <br /> oil and gas tanks towards the access road <br /> north of the site. An overhead utility <br /> alignment extended north-south near the <br /> .1414 <br /> eastern margin of the site, and appeared t. <br /> to include powerlines. The remainder of t ` k � <br /> the site supported medium to tall grasses t <br /> and weeds. "z i 7' � 44•41* <br /> • i � .� $. 4; ' 1.:Y ..,.+.••. <br /> Job No. 24-3520 Ground Engineering Consultants, Inc. Page 2 of 7 <br />