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. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . full compensation for: (1) furnishing. (2) installation, (3) routine maintenance, and (4) removal upon completion and final acceptance of the work specified under the terms of this Contract. Note: Particular attention should be given that in case of repeated pollution, or silting, the City reserves the right to employ outside assistance or to use City forces to provide the necessary corrective measures. Any such costs incurred, including the engmeering costs will be charged to the contractor and appropriate deductions made from the monthly progress estimate. 22. Clearing and Grubbing (Item No. 110-1) The contract unit price bid as indicated in the Bid Form of the Proposal shall be fuJ1 compensation for all work required for Clearing and Grubbing; including, but not limited to, removal of asphalt pavement, tree removal, trash, debris, tree trimming, removal of drainage structures, and plugging of existing drainage system left in place, among others, within the entire length of the project. 23. Earthwork Related Operations (Section 120) 23.01 Grading The Contractor shall include the cost of all grading in the unit price bid for the appropriate items. Any additional grading required within the limits of the project, should be included in the clearing and grubbing pay item. No separate payments will be made for any grading required on this project. 23.02 Regular Excavation (Item No. 120-1) Regular Excavation shall consists of the excavation and the utilization, and satisfactory disposal, of all materials necessary for street widening, side ditches, and lateral ditches, within the right-of-way. except as may be specificaJJy shown to be paid for separately. 24. Stabilizing (Section 160) Section 160 STABILIZING: Delete the words "Bearing Value" or "Limerock Bearing Ratio Method" where they occur throughout this section and substitute the words "California Bearing Ratio". Delete all contrary references to density requirements and substitute the following: Compaction - The density requirements for all, street widening and sub grade involved in this Section shall be a minimum ninety- five percent (95%) for non-roadway areas and ninety-eight percent (98%) for roadway areas (street widening), of maximum density as determined by AASHTO T -180. Delete: "do not apply density requirements where constructing narrow widening strips 4 feet or less" from section 120-9.4 Delete all mention of Bearing Value requirements entirely and substitute the following: California Bearing Ratio Requirements: Suitability of the soil to be compacted shaJ1 be determined by the California Bearing Ratio Test as outlined in ASTM D 1883-87. Tests shall be made on each separate course, generally before the materials have been compacted. Any areas where the materials have a C.B.R. value ofless than Thirty (30) at ninety-five (95) percent ofthe maximum density as determined by AASHTO T-180 shall be stabilized (or further stabilized) Oct. 2007, Special Provisions Page 7 of 15