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SPECIAL CONDITIONS OF APPROVAL Engineering 96. The project applicant/developer shall install a minimum five-foot wide separated concrete sidewalk along the Valley Avenue frontage from the project's shared access driveway with the Pleasanton Gateway shopping center to the traffic circle below the southernmost project boundary line. The planter strip between the back of curb and face of sidewalk shall be a minimum of five feet. If the project applicant/developer installs a City standard sidewalk along the project frontage and dedicates an easement for the maintenance of the sidewalk, the City will accept the sidewalk for mairr enance, however it the sidewalk is not in conformance with City standard the sidewalk shall be privately maintained by the project maintenance association. All landscaping and irrigation lines within the planter strip shall be maintained by the homeowners association. 97. The project developer shall include erosion control measures, prepared and signed by the Qualified Storm Water Pollution Prevention Plan Developer (Q:3D), on the final grading plan, subject to the review of the City Engineer. This erosion control measures shall be as required by the state's Construction General Permit. The project developer is responsible for ensuring that the contractor is aware of such measures. All cut and fill slopes shall be re-vegetated and stabilized as soon as possible after completion of grading, in no case later than October 15. No grading shall occur between October 15 and April 15 unless approved erosion control measures are in place, subject to the approval of the project QSD and the City Engineer. Such measures shall be maintained until such time as a permanent landscaping is in place, site is stabilized and Notice of Completion (NOC) has been filed with the State Regional Water Boarc and/or accepted by City. 98. The project applicant/developer shall install trash capture devices within the project's storm drain inlets or storm drain piping to capture trash within the development. These devices shall trap particles of 5mm or greater and have treatment capacity not less than the peak storm from a "one year, one hour" event within the drainage area. The project applicant's or developer's engineer shall submit calculations and product submittals to the City Engineer for review and approval prior to the issuance of a grading or building permit, whichever is sooner. 99. A detailed grading and drainage plan prepared by a licensed Civil Engineer including all supporting information and design criteria, storm drain treatment calculations, and hydro- modification worksheets, etc., shall be submitted with the improvement plans to the satisfaction of the Coty Engineer. The calculations shall demonstrate to the satisfaction of the City Engineer that there is sufficient capacity within the existing Central Detention Pond on the Bernal Property to allow for both hydro-modification and storm water treatment for existing residential developments, both existing and future development of Bernal Parks, the Pleasanton Gateway shopping center development and the subject residential development. Prior to the first plan check, the project app icant/developer's engineer shall submit the storm drain drawings and hydro-modificaticn calculations to the City Engineer for review. The hydro-modification calculations shall )e peer reviewed by the City's consultant, with the peer review costs paid for by the project applicant/developer subject to the peer review procedures establisied by the City Engineer. Page 18