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P.C. South Algal Nutrient Removal Facility 1225 SW 5f''Street Vero Beach, FL Indian River County Page 2 of 7 Proposal No.13-143 7.00 Laboratory soil testing will be required to identify the properties and suitability of the soil to be used at the site. Proctor tests will be required to obtain material's maximum density and optimum moisture content, which would be used to verify that the degree of compaction in the field is achieved. 1.2 Field Density/Moisture Testing GFA will provide a field technician to test the in-place density of the compacted fills. For this testing, GFA will use the Nuclear Method (ASTM D2922) in the field, which will be correlated with the corresponding laboratory proctor compaction tests. 1.3 Cast-in-Place Concrete GFA will provide an ACI-certified technician to test the concrete delivered to the site. In accordance with the project specifications, the technician will mold a set of five compression cylinders per ASTM C-31 for every 50 cubic yards or fraction thereof placed per day. GFA will also determine the slump and temperature of the concrete each time a set of cylinders are cast The cylinders will be cured in the laboratory, with one cylinder tested at seven days and three at 28 days. GFA can also assist in evaluating mix submittals and provide laboratory verifications, if necessary, although fees for this service are not included herein. 1.4 Schedule of Fees The actual cost of our services will be highly dependent on the construction schedule. As we have not been provided with a precise construction schedule, it is not possible to make a precise estimate of the manpower and testing requirements. Therefore, GFA proposes to provide its services on a unit cost basis; based on the actual work performed and the unit fees shown on the attached Schedule of Fees. For your budget purposes, GFA has estimated quantities for these services based upon the anticipated scope of work. The unit rates and/or hourly rates do not include any overtime work. Overtime work (scheduled for before 7:00 AM or going past 4:00 PM Monday through Friday, more than 8 hours in one day, more than 40 hours in one week, or anytime on Saturdays, Sundays, or Holidays), will be charged at the standard rate times 1.5. Technician Time will be charged in the event that the Contractor's work is not ready for testing/inspection upon arrival of CFA's representative, or if our minimum testing frequencies specified herein cannot be achieved. i 80