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Orange County Eubanks Road C&D Landfill <br />Construction Quality Assurance Plan <br />Revised March 15, 2021 <br /> <br /> <br />2. Field Testing – Soils and Aggregates <br /> <br />Test ASTM Designation or <br />Other Test Method Frequency <br />Compacted Density D2922, D1556, or D2937 1 per 90' x 90' grid per lift <br />Compacted Moisture Content D3017 or D2216 1 per 90' x 90' grid per lift <br />Classification D2487 1 per 10,000 cy <br />Atterberg Limits D4318 1 per 10,000 cy <br />Hydraulic Conductivity D5084 1 per 10,000 cy <br />Shear Strength D3080 1 per 10,000 cy <br />Moisture-Density Relationship D698 or D1557 1 per acre <br />Compacted Density - Trench <br />Backfill <br />D2922, D1156, or D2937 1 per 100 lineal ft per lift <br />Compacted Moisture Content - <br />Trench Backfill <br />D3017 or D2216 1 per 100 lineal ft per lift <br />Backfill Placement Observation Continuous <br />Road Aggregates D2922 or D2937 1 per 100 lineal feet of road, a <br />minimum of 1 test per lift of <br />select fill <br />Intermediate / Bedding Soil Layer <br />Thickness <br />Observation, Field <br />Measurement <br />50 ft x 50 ft grid <br />Controlled Subgrade / Base Layer <br />Thickness <br />Observation, Field <br />Measurement <br />50 ft x 50 ft grid <br />Protective Cover Layer Thickness Observation, Field <br />Measurement <br />50 ft x 50 ft grid <br />Vegetative Support Layer <br />Thickness <br />Observation Continuous <br />Notes: <br />a. Every fifth sample tested with ASTM D2922 shall be verified by ASTM D1556, Sand <br />Cone or ASTM D2937, Drive Cylinder). <br /> <br />b. Every fifth sample tested with ASTM D3017 shall be verified with ASTM D2216, <br />Laboratory Determination of Water Content of Soil, Rock, and Soil-Aggregate Mixtures. <br /> <br />c. Test locations shall be identified by the Contractor by horizontal and vertical control and <br />presented on drawing or sketch indicating dimensions. <br /> <br /> d. If a test fails to meet the required compaction level or moisture content, then the area <br />represented by that test shall be reworked and retested at the Contractor's expense. <br />Corrective measures shall be documented in the Quality Control and Quality Assurance <br />reports. <br /> <br />DocuSign Envelope ID: 0844D1D6-E311-4FC5-8B5B-BB1E27A908ED