The Geotechnical testing shall include but not be limited to compaction tests on Class 2 Base and granular sand material. Compaction and extraction, gradation testing for the A.C./ARHM pavement shall be required during the project. The Construction Manager shall determine the location of the tests. Gradation, durability, R-value and sand equivalent tests for Granular Sand and Class 2 Base shall be required during the Submittal process. Compaction testing for the Class 2 Base shall be required. Mix designs for the A.C./ARHM pavement shall also be required during the Submittal process. A. A compaction test for the subgrade (top of Class 2 Base grade) shall be required for every 2,500 square feet of subgrade beneath asphalt pavement structure section. B. A compaction test for the Class 2 Base shall be required for each driveway entrance. C. A compaction test for the Class 2 Base shall be required for every 100 lineal feet of P.C.C. curb and gutter installed. D. A compaction test for the Class 2 Base shall be required for every 100 lineal feet of sidewalk installed. E. An extraction/gradation test shall be completed from an A.C./ARHM pavement sample obtained by the geotechnical consultant representative each morning pavement operations occur. F. A compaction test for the A.C./ARHM pavement shall be required for every 2,500 square feet of A.C/ARHM. street surface area. G. A.C./ARHM pavement density testing shall be conducted by the geotechnical representative during the placement of A.C./ARHM pavement. H. One (1) set of cylinders and one (1) slump test shall be required for every 50 cubic yards of concrete except that a minimum of one (1) set of cylinders and slump test shall be required each day twenty (20) or more yards of concrete are placed at a project site. The maximum allowable slump shall be 4 inches. A set of cylinders shall be composed of three (3) cylinders. The first cylinder of a set shall be tested after seven (7) days curing. The second cylinder of a set shall be tested after 28 days curing. The third cylinder shall be held in reserve and tested if directed by the engineer. The test results will be forwarded to the engineer for review. The engineer shall receive a concrete vendor slip for each truck load of concrete delivered to the project site. A Certificate of Compliance for concrete mix shall be provided for each day concrete is delivered to the project site. I. One (1) compaction test for the native earth shoulders shall be obtained for each 300 lineal feet of 5-foot wide shoulder installed. A minimum of five (5) compaction tests along Ninth Street shall be required. J. An A.C./ARHM mix design and concrete mix design shall be submitted for the review and approval of the engineer during the submittal process. K. Geotechnical testing for the Class 2 Base during the submittal process. L. Geotechnical engineers shall provide the Engineer with Monthly Summary Reports and Final Project Summary Reports per the Caltrans Local Assistance Procedure Manual (LAPM) and shall provide all other documentations required by Caltrans.
