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1st Street SW and 431d Avenue - 2 - <br />Ardaman File No. 16-4147 <br />Contractor methodology and changes in testing frequencies may affect the testing cost. The actual <br />cost of our services will be a function of the quantities of work performed in accordance with the unit <br />rates presented herein. The unit rates provided herein are in accordance with our current continuing <br />contract with Indian River County. A minimum of four in-place density tests will need to be performed <br />per trip when no other work is performed. Stand-by due to construction delays and site visits to pick <br />up samples when no other work is performed will be charged at the hourly technician rate. We note <br />that density testing frequencies and all testing quantities are approximate and based on our experience <br />with similar projects and anticipated contractor methodologies. Allowances for re -tests (from failing <br />density tests) are not included herein. <br />We note that testing services provided on a full-time (hourly) basis would enhance construction <br />oversight and quality assurance verification. Testing services performed on an hourly basis may also <br />provide some cost savings to the client, especially during periods of increased testing frequency. We <br />can perform testing on an hourly basis in lieu of a per test basis as directed by the client. <br />Providing access to the test locations and any maintenance of traffic (MOT) that is required to safely <br />perform the required testing services for the project will be the responsibility of the Contractor. We <br />note that minimal testing of asphalt has been included in the cost estimate, as we have assumed the <br />County will only require limited verification testing to verify quality control testing results that are <br />typically already provided by the contractor's asphalt supplier. Additional services not listed in the cost <br />estimate can be provided at an additional fee, if requested. <br />It.flus-It your-approval;=please=issue-ft-Purchase=Order.:that-will-be-.assigned:to_—.:._ <br />this project as our notice to proceed. Please do not hesitate to contact us if you have questions or <br />need additional information. <br />Best Regards, <br />ARDAMAN & ASSOCIATES, INC. <br />Dan J Ilac P.E. <br />ch Manager <br />27 <br />