The Laboratory shall provide the following services: • Perform a site reconnaissance, review the geotechnical engineering report for the Project, review the drawings, and prepare a transfer of geotechnical engineer of record responsibility letter • Project management, consultation during construction, and preparation of daily field, foundation excavation observation, and final grading reports • Ensure that soils conditions are in conformance to soils report • Foundation inspection • Caisson, drilled piers or driven piles inspection • As-graded soils reports • Observations and testing during site clearing and mass grading • Observing the foundations excavations for structures/Observation and testing during backfilling of utility trenches • Observation and testing during backfilling around retaining walls • Observation and testing during subgrade preparation and base rock placement in asphalt paved areas • Observation and testing during asphalt concrete placement • Perform the following Sampling and Testing of Materials and Testing of Work-inPlace as may be required by the DSA Testing and Inspection Listing, and as required by the DISTRICT. The testing shall be performed in accordance with ASTM test methods and California test methods as appropriate. All testing shall be accomplished in a DSA-certified laboratory: o Soil, Aggregate and Asphalt o Maximum Dry Density o Expansion Index (ASTM D4318) o R-Value/Sand Equivalent o Sieve Analysis (ASTM C136)...
