the holes, casings and fittings, labor, equipment, tools, and all necessary incidentals shall be included in th e cost of cased test holes or exploratory drilling. The cost of reshaping scoured or eroded ar eas shall be included in the cost of other pay items. 1590 The cost of surface roughening shall be included in the cost of other pay items.
The cost of identification of borrow areas, archeological investigations, and changes to construction operations caused by the identification of an archeological site shall be included in the cost of borrow, unless otherwise agreed to in writing. The cost of all classes of excavation, ex cept required borrow, within the limits of linear grading shall be included in the cost of linear grading. 1600 The cost of geotextiles shall be included in the cost of other pay items. The costs for the use of coal ash in embankment construction, including, but not limited to testing of the material, encasement, additional erosion and sediment control measures, lateral underdrains and all incidentals shall be included in the cost of other pay items in this section.