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Earthwork shall conform to Section 19, “Earthwork”, of the State Specifications, and these

Specifications. All references to the “roadway prism”, “roadway facilities”, “roadway”, and

“highway” shall be considered to mean the applicable project features, shown on the Plans or

referenced in the Special Provisions.

The method and rate of applying water for earthwork and dust control shall conform to

Section 16, “Water Used in Construction”, and Section 17, “Dust Control”, of these

Attention is directed to Section 10, “Environmental Controls at Work Site”, of these

Specifications for additional requirements.

18-2 ROADWAY EXCAVATION

Roadway excavation shall conform to Section 19-2, “Roadway Excavation”, of the State

Specifications, and these Specifications.

Roadway excavation shall include

removal of existing pavement sections, ditches and

channels in the median area, between roadway and frontage roads and side ditches contiguous

to the roadway and other locations as shown on the Plans. Excavation and embankment side

slopes shall be adjusted by the Contractor to clear existing utility poles, vegetation, and other

improvements, as directed by the Agency.

Roadway excavation shall also include excavation of waterway channels as necessary to

create a grading plane for the placement of slope protection.

18-2.02 Unsuitable Roadway Excavation and Backfill

Any unsuitable material encountered shall be removed and backfilled in accordance with

Section 18-5, “Unsuitable Material Excavation”, in this Section of these Specifications.

18-2.03 Surplus Material

Unless otherwise specified in the Special Provisions, surplus excavated material shall

become the property of the Contractor and shall be disposed of away from the project site in

accordance with the provisions in Section 18-7, “Surplus Material Disposal”, in this Section of

these Specifications.

18-2.04 Unsuitable Material in Embankments

Unsuitable material excavated as roadway excavation which, in the opinion of the Agency,

can be used for roadway embankment shall be placed in the embankment below a plane thirty

inches (30”) below the finished grade and compacted to a minimum relative compaction of

ninety percent (90%).

Unsuitable material excavated as roadway excavation which, in the opinion of the Agency,

cannot be worked into the roadway embankment shall be considered as surplus material and

removed from the work site or wasted within the right-of-way as directed by the Agency.

18-2.05 Subgrade Preparation

Subgrade preparation shall be as specified in Section 19-5, “Compaction”, of these

Specifications, and Section 19-6, “Embankment Construction”, of the State Specifications.

Organics that exist within the roadway prism prior to grading shall be stripped from the

ground surface. Stripping should extend to between two inches (2”) to three inches (3”) below

the existing surface or as directed by the Agency. Strippings are the property of the Contractor

and shall be removed from the job site. After removal of strippings, areas to receive fill material