BASES
151 SECTION 301 THROUGH SECTION 306-BLANK
CRUSHED AGGREGATE BASE COURSE
307.1 -DESCRIPTION : This work shall consist of furnishing, spreading, and compacting one or more courses of crushed aggregate on a prepared surface in accordance with these Specifications and in reasonably close conformity with the lines, grades, thicknesses, and typical cross sections shown on the Plans or established by the Engineer.
307.2 -MATERIALS : The crushed aggregate base course shall be composed of materials meeting the requirements of Subsection 704.6 for the class shown on the Plans.
307.2.1 -Quality Control Testing: Quality control of the crushed aggregate base course is the responsibility of the Contractor as specified in 106.1. The Contractor shall maintain necessary equipment and qualified personnel to perform all sampling and testing necessary to determine the magnitude of the various properties of the material governed by the Specifications and shall maintain these properties within the limits of the Specifications. The Contractor shall submit a quality control plan detailing the methods by which the quality control program will be conducted. This plan, prepared in accordance with the guidelines set forth in the appropriate portions of MP 307.00.50 and MP 717.04.21, shall be submitted to the Engineer at the preconstruction conference. The work shall not beg in until the plan is reviewed for conformance with the contract documents.
307.2.2 -Acceptance Testing: Acceptance sampling and testing of crushed aggregate base course is the responsibility of the Division, except for furnishing the necessary materials . Quality control sampling and testing performed by the Contractor may be used by the Division for acceptance.
307.2.3 -Sampling and Testing: Frequency of sampling and testing shall be in accordance with the Contractor ’s quality control plan. The mini mum frequencies shall be as indicated in applicable portions of MP 307.00.50. Crushed aggregate shall be sampled in accordance with MP 700.00.06, Aggregate Sampling Procedures.
307.2.4 -Acceptance Procedure: Material conforming to the specification requirements will be accepted at full contract price. Material failing to comply with the quality requirements of Table 704.6.2B shall not be incorporated into the work. Acceptance of crushed aggregate base course for compaction and for gradation shall be in accordance with appropriate portions of subsection 307.2.4.1.
307.2.4.1 -Acceptance Plan: 307.2.4.1 .1-For Compaction: Acceptance for compaction shall be on a lot by lot basis. A lot shall consist of a si ngle layer of not more than 2,000 linear f eet per width being placed. A lot shall be divided into five approximately equal sized sublots. One nuclear