Specifications include, but are not limited to: 1. The Material Testing consultant shall perform the materials testing services in accordance with the City of Cathedral City Quality Assurance Plan. 2. The selected consultant will be required to obtain Caltrans Certification of the laboratory conducting the material testing. All sampling and testing shall be done by personnel with the appropriate accreditation for the testing and sampling designated to perform. 3. Provide a qualified technician as necessary to conduct density tests on roadway sub-grade, aggregate base, asphalt concrete, slope fill and trench backfill placement as required. The tests will be performed with a nuclear densometer in accordance with ASTM 6938-10 or sand cone in accordance with ASTM D1556. Maximum density curves (ASTM D1557) will be performed on various material types as they are encountered. 4. Provide an ACI-certified technician as necessary to make sets of concrete cylinders as needed and perform slump tests for the curb, gutter, concrete drainage devices, channel slope paving and other minor concrete.