2020-792-E AMS-ECS Southeast LLP Efland geotechnical services

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DocuSign Envelope ID:254EEE07-4235-430E-AB86-8BA7FDCF270B November ECS Southeast, LLP • Obtaining landowner permission for equipment access or clearing, if necessary. • Arranging access to public or private property, such as secured fenced property. • Survey measurements of the coordinates and ground surface elevation at the as-drilled boring locations using an instrument (e.g., automatic level or survey grade GPS unit) accurate to the nearest tenth of a foot. • Infiltration rate testing. • Pressuremeter testing. • Shear wave velocity measurements for seismic site class determination (ReMi). • Seismic refraction testing. • Coring and testing of rock. • Geotechnical exploration and recommendations for site retaining walls. • Global stability analysis of site retaining walls. • Design of site retaining walls. • Geotechnical exploration and recommendations for off-site and/or public (NCDOT, local municipality) streets, roads, or roadway improvements. • Test pits, which can be performed to evaluate the characteristics of existing fill and the excavatability of residual soils and shallow weathered rock. CLOSING If other items are required because of unexpected field conditions or because of a request for additional services, they would be invoiced in accordance with our current Fee Schedule. Before modifying or expanding the extent of our exploration program, you would be informed of our intentions for both your review and authorization. Our "Terms and Conditions of Service," which are included as an attachment to this letter, is an integral part of our proposal. These conditions represent the current recommendations of the Geoprofessional Business Association, the Consulting Engineers' Council, and the Geo-Institute of the American Society of Civil Engineers. Our insurance carrier requires that we receive written authorization prior to initiation of work, and a signed contract prior to the release of any work product. This letter is the agreement for our services. Your acceptance of this proposal may be indicated by signing and returning the Proposal Acceptance Sheet to us. We are pleased to have this opportunity to offer our services and look forward to working with you on the project. This proposal is valid for a period of sixty(60) days; beyond that date it may be necessary to revise our schedule or fee. Respectfully submitted, ECS Southeast, LLP DocuSigned by: DocuSigned by: E E 77DO4EF 7B33BC479 Rachel E.Zelinsky Thomas M.Schipporeit, P.E., D.GE Geotechnical Staff Project Manager Vice President, Principal Engineer rzelinsky@ecslimited.com tschipporeit@ecslimited.com a ECS Proposal No:06:22345 Page 19 Eg_ 0