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DocuSign Envelope ID:61C48151-8462-40AA-B242-D78E8BA29080 <br /> WADAMS CHANGE ORDER #6 > ORA-17000 <br /> > Conduct lab testing on newly collected soil samples (i.e. for the three new borings). Lab testing for <br /> soils shall include: <br /> Atterberg Limits; <br /> Grain Size Analysis; <br /> Natural Moisture Content <br /> > Upon completion, provide revised geotechnical report or addendum that includes the new data, and <br /> revised discussions/recommendations based on the planned alternative tunnel route. <br /> > Schedule: Borings to be complete NLT within 3 weeks of NTP from Orange County with the initial <br /> report of findings to be delivered to Orange County within 3 weeks of the completion of the borings. <br /> Task 11 Additional Rock Core Testing: <br /> FEE: $4,950 ($1,650 per rock core) <br /> > Conduct lab testing on up to three (3) newly collected rock samples. Lab testing for rock cores shall <br /> include: <br /> Unconfined Compressive Strength; <br /> Splitting (or Brazilian)Tensile Strength; <br /> CERCHAR Abrasivity Index; <br /> Point Load; <br /> Punch Penetration; <br /> Thin Section Petrographic Analysis <br /> > Schedule: Final Report Addendum for lab testing on rock samples to be delivered within 10-weeks of <br /> the completion of the borings. <br /> The Fee for these additional services shall be: $20,075 <br /> CONCLUSION <br /> We appreciate this opportunity to propose our services. We are eager to pursue this project further and thank you <br /> for your consideration. <br /> Sincerely, <br /> MCADAMS <br /> Fred V. Boone, PE <br /> Director, Construction Administration <br /> FB/gs <br /> creating experiences through experience 2 of 2 <br />