Division 300 — Division 300
Division 300 — Bases
The sections in the 300 series include the spec ification requirements for bases, shoulders, and other work closely related to the construction of the pavement foundation and shoulders. The term "course" used in this series of sections shall be understood to mean a structural component of specified thickness. A course may consist of one or more layers. Shoulder courses shown on the plans to be constructed separately from base courses shall be performed in accordance with the provisions and requirements of Section 320. SECTION 304 - GRANULAR COURSES
304.01 Description . This work consists of furnishing granular materials and the
construction of one or more courses of base, shoulders, or other required construction on a prepared foundation in reasonably close conf ormity with the lines, grades, and typical cross sections shown on the plans or established by the Engineer.
304.02 Materials .
304.02.1 General . Unless otherwise specified, materials used in this work shall
conform to the requirements of Subsecti ons 703.04 & 703.07. General conditions governing the use of materials shall be as set out in Section l06. Crushed concrete meeting the requirements of Subsection 703.04.3 may be used in lieu of granular courses or crushed stone courses specified in the contract. This applies to base courses, shoulders, or other required construction on a prepared foundation. When crushed stone base is bid as alternate pay items, the Contractor must select one of the alternates at the time of bid. The Contra ctor must use the selected crushed stone base throughout the entire project.
304.02.2 Sampling, Te sting and Acceptance . A minimum of one random sample will
be obtained from the roadway for each 1000 cubic yards or 1400 tons for determining acceptance of the material for gradation, liquid limit and plasticity index. When borderline or failing results are obtained the Engineer may increase the sampling frequency. When a roadway sample fails to meet the re quirements of the specifications additional samples will be taken along the roadway for determining the limits of the inferior material. Such inferior material shall be corrected or removed and replaced at no additional costs to the State.
304.03 Construction Requirements.
304.03.1 Equipment . When measurement for payment is to be made by the ton, the
Contractor shall furnish approved platform s cales capable of weighing the entire loaded vehicle. Scales and their use shall be in accordance with the requirements set out in Subsection 40l.03.2.1.11, except they shall be installed at an approved location on or near