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DocuSign Envelope ID:61C48151-8462-40AA-B242-D78E8BA29080 Attachment E <br /> "Additional Geotechnical Investigations - West" <br /> 'J MCADAMS CHANGE ORDER #6 > ORA-17000 <br /> Date:August 12, 2019 <br /> AMENDMENT TO AGREEMENT FOR PROFESSIONAL SERVICES: <br /> BETWEEN Orange County (Owner/Client) <br /> AND The John R. McAdams Company, Inc. <br /> ORIGINAL AGREEMENT DATED May 2, 2017 <br /> PROJECT NAME Phase 1 Water&Sewer Extensions- Hillsborough Economic <br /> PROJECT LOCATION Hillsborough, North Carolina <br /> PROJECT NUMBER ORA-17000 <br /> CLIENT CONTACT Chris Sandt <br /> We hereby amend the Agreement for the above-referenced project, as follows: <br /> Owner/client authorizes The John R. McAdams Company, Inc.to perform the following additional services: <br /> Task 10 Additional Geotechnical Investigation: <br /> FEE: $15,125 <br /> > Up to three (3) new borings along the conceptual alternative alignment for the 1-40 sewer crossing <br /> (Alt. Alignment 2), located approximately 205-ft to the west of the current 1-40 sewer crossing, as <br /> displayed on Attachment F ("Boring Locations"). The new borings are labeled as P1 through P3 <br /> on Attachment F. <br /> > Procure an encroachment agreement with NCDOT(or an extension of existing agreement)for all <br /> required traffic control services related to shoulder and/or median closures. <br /> > Establish horizontal and vertical geospatial control for all proposed borings. <br /> > Locate all existing utilities in the vicinity of proposed borings prior to drilling. <br /> > If rock is not encountered,the proposed borings shall be advanced to a depth of approximately 10 <br /> feet below the conceptual sewer pipe invert elevations as labeled on Attachment F. If rock is <br /> encountered,the borings shall be advanced via rock coring to a depth of approximately 2 feet <br /> below the conceptual sewer pipe invert elevations as labeled on Attachment F. <br /> > Measure water table in all boreholes following completion of drilling. <br /> > Backfill all boreholes immediately after drilling with in-situ soil cuttings. <br /> > Field classify all soil samples obtained during drilling in general accordance with Unified Soil <br /> Classification System (USCS). <br /> creating experiences through experience 2905 Meridian Parkway,Durham,NC 27713/919.361.5000 <br />