2100 EARTHWORK, SUBGRADES, AND SUBBASES

DIVISION 21. EARTHWORK, SUBGRADES, AND SUBBASES

This work shall consist of grading and construction of subgrades and subbases as required for the various types of work in the following sections, and in conformance with the lines, grades, thicknesses, and typical cross sections shown in the contract documents or established by the Engineer.

2101. Clearing and Grubbing.
2102. Roadway and Borrow Excavation.
2103. Fuel Adjustment.
2104. Channel Excavation.
2105. Stripping, Salvaging, and Spreading Topsoil.
2107. Embankments.
2108. Overhaul.
2109. Natural Subgrade.
2110. Soil Aggregate Subbase.
2111. Granular Subbase.
2113. Subgrade Stabilization Material.
2114. Class A Subbase.
2115. Modified Subbase.
2121. Granular Shoulders.
2122. Paved Shoulders.
2123. Earth Shoulders for Pavements and Bases.
2125. Reshaping Ditches.
2126. Reclaiming Present Surfacing Material.
2127. Reconstruction of Roadbed.