area. 2 The engineer will not make additional measurements if overburden stockpiles are moved
to facilitate material source operations, except when the stockpile locations were directed by the engineer. 3 The department will pay as follows:
Pay Item
Pay Unit
Measure to the Nearest
Pay to the Nearest
Overburden Placing
CY [m3]
0.1 ft [0.05 m]
CY [m3]
Overburden Removal
CY [m3]
0.1 ft [0.05 m]
CY [m3]
213.5.2 Referenced Sections for Direct Payment 1 When specified, the engineer will measure and pay for removal and placement of topsoil
in accordance with Section 207, Topsoil.
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Lime Treated Subgrade
214.1DESCRIPTION
1 This section describes the requirements for constructing one or more courses of a
mixture of soil, lime, and water.
214.2MATERIALS
1 Provide materials in accordance with the following:
Materials
Subsection
Hydrated Lime Water
820 814.1
2 Use existing subgrade soil or approved borrow material, as specified, with deleterious
materials removed.
214.3EQUIPMENT
214.3.1 General 1 Correct equipment leaks immediately, or remove the equipment from the work area.
214.3.2 Lime Spreaders 1 Use lime spreading equipment capable of spreading lime uniformly at the specified
rate and keeping the slurried lime in suspension. 214.3.3 Water Distribution 1 Use equipment capable of uniformly distributing the required water.
Do not use water
pumps on water distributors. 214.3.4 Mixing 1 Use a self-propelled rotary mixer, except that disc harrows, motor graders, and other
equipment may be used to supplement the mixing performed by the rotary mixer. Use mixing equipment capable of mixing to a compacted depth of at least 10 in [250 mm].
Provide a traveling mixing plant for incorporating the lime into the soil designated for treatment. Ensure that the traveling mixing plant is capable of spreading the lime slurry in an even, traverse layer, providing a homogeneous mixture of lime and subgrade, and
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Lime Treated Subgrade