Specifications include, but are not limited to: A. The CMT Consultant will be a prime entity contracting directly with the Port of Houston Authority and may sub-contract a portion of the testing services to other qualified consultants as part of its team to support the project requirements. The CMT Consultant and any sub-consultant laboratories shall be accredited by the American Association for Laboratory Accreditation (A2LA) to perform the testing pertinent to the project referenced above. The CMT Consultant and all sub-consultants will use experienced technicians who are certified by an appropriate agency to perform all required field and laboratory tests. B. The CMT Consultant shall establish and enforce quality control policies to ensure the effectiveness and representativeness of the testing program. C. The CMT Consultant shall perform and document calibration of all testing equipment and maintain laboratory facilities used for storage, preparation and curing of samples and test specimens, and testing in conformance with standards required for accredited operation. D. Review the Contractor’s submittals on source materials and mix designs for Portland cement concrete for compliance with specifications. E. Perform straightedge testing of finished base surfaces as required. F. Perform required conformance testing according to the specifications or as otherwise directed by Port Authority construction managers and inspectors. Conformance testing will vary depending on the components of construction but may include the following: 1. Properties of constituent materials for Portland cement concrete, including gradation, alkalinity, hardness and durability of aggregates. 2. Properties of placed concrete, including slump, air content, and strength parameters. 3. Gradation, plasticity, and compaction characteristics of natural and stabilized soils and rock. 4. Strength and elongation of reinforcing steel. 5. Other tests and observations associated with heavy construction. G. The CMT Consultant will perform the laboratory tests and oversee the use of the resulting moisture-density relationships (Proctor curves) for soils to be compacted under pavements.