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58TH AVENUE FM No. 436416-1-54-01 IRC PRojEcr No. 1325 AACE Proposal No. P20-1644 SCOPE OF SERVICES Page -2- Based on the FDOT's Developmental Specification T332 and on our experience with similar projects, we understand that required QC services will include the elements listed below: Field and Laboratory Testing of FDR Roadway Base and Shoulders: - Obtaining samples of pulverized road base for laboratory gradation testing at a frequency of one sample for every 3,000 SY, or as needed. - Obtain samples of the FDR mix for laboratory Marshall Stability testing (as needed). - Obtaining one sample each day for laboratory moisture/density relationship testing (or as needed). - Performing one in-place field density test for every 1,000 SY of the compacted mixture on days selected by IRC staff (or as otherwise requested by IRC staff). - Obtaining composite samples of the Refurbished Stabilized Shoulders and widened areas at a frequency of one sample for every 2,000 LF for laboratory Limerock Bearing Value (LBR) testing. - Performing in-place density testing of shoulder stabilized subgrade (approximately one (1) test per every 2 LOTS of shoulder (about 1,000 LF), each direction or at the direction of the County. - Performing in-place density testing of roadway stabilized subgrade (primarily 69`h Street) as needed. - Performing in-place density testing of embankment, as needed. QC services durin-a paving operations: - Performing asphalt plant inspection services during two (2) paving operations (selected by IRC). - Obtaining roadway cores on seven (7) occasions after paving operations for specific gravity (density) determination (estimated three (3) cores obtained during each even). - Obtaining a maximum of seven (7) bulk samples of asphalt for asphalt content and gradation testing. Drainage Construction: - Performing in-place density testing of soil used to backfill all drainage excavations Intersection SiVnalization: - Performing concrete testing during strain pole base construction. Miscellaneous Testing: - Performing concrete testing services for non-structural concrete (sidewalks and ADA ramps, curbing, headwall, bus shelter pad, and driveways). - Perform density testing for general restoration and corrective construction (driveway restoration, sidewalk subgrade, utility and hydrant relocations, etc.) Based upon our understanding of the project plans and our prior experience with projects similar to this one, we estimate the cost of the services will be approximately $52,574.00. The actual cost of AACE's testing services will be a function of work actually performed in accordance with the attached unit fee schedule (in accordance with the continuing service contract between Indian River County and AACE, Contract #2018042). Contractor efficiency, methodology and changes in testing frequencies may affect the testing cost. We will notify you in advance if it appears that the cost estimate will be exceeded.