214.01 Description. This item shall consist of shaping,
compacting, and otherwise preparing the existing ro adbed constructed under a previous contract for the place ment of base, subbase, and/or selected material to the tolerances shown on the plans and to the lines, grades, and cross sections shown on the plans or as directed by the Engineer.
214.02 Construction Requirements. This work shall be
completed as required in Section 212 except that th e subgrade shall be scarified to the depth necessary, not to exceed 12" (300 mm). The operation shall extend across the areas of road bed to be occupied by selected material, subbase, or base mat erial or as directed by the Engineer. Excess material removed from high areas shall be mo ved and placed in low areas as needed. The Contractor will not be required to move such material more than 3300' (1 km). Exce ss material that cannot be used to fill low areas may be used to fla tten slopes or as otherwise directed by the Engineer. In lieu of was ting excess material and obtaining suitable material to fill lo w areas, the Contractor may move excess material removed from hi gh areas more than 3300' (1 km) at no additional cost to the Depa rtment for the additional haul distance. Quality control and acceptance testing shall be acc ording to Section 212.02.
214.03 Method of Measurement. Subgrade Preparation will be
measured by the 100' (100 meter) survey station mea sured along the centerline of each set of lanes and/or each ramp. This measurement will be made to the nearest foot (meter).
214.04 Basis of Payment. Work completed and accepted and
measured as provided above will be paid for at the contract unit 184 price bid per station (metric station) for Subgrade Preparation, which price shall be full compensation for scarifying, bl ading, shaping, and compacting the existing subgrade; for performing qu ality control and acceptance sampling and testing; and for all labor, equipment, tools, and incidentals necessary to complete the work. Re placement of material removed by scalping areas of vegetation an d/or mulch cover, resulting from work required by Section 110, will be paid for under the appropriate item. Payment will be made under: Pay Item Pay Unit Subgrade Preparation Station (Metric Station)
SUBGRADE PREPARATION in other states
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