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57. The applicants' engineer/surveyor shall prepare all plots and descriptions' for the City to abandon portions of the City street right of way and/or Public Service Easements. Said plots and descriptions' shall be submitted to the City before a grading permit is issued for the site. 58. The sidewalks at the entrance street of Gibraltar Drive or Hacienda Drive shall be redesigned such that the ramp for the handicapped intersects the midpoint of the curb return, unless otherwise approved by the City Engineer. 59. The trail along the project's northerly boundary shall be offered to the City of Pleasanton before a grading permit is issued for the site unless otherwise approved by the City Engineer. The fee title for the trail shall be dedicated either on a subdivision map or be recorded by separate instrument. 60. The design of the on-site sanitary sewer system shall be modified such that that size and slope of the private sanitary sewer main maintain a minimum velocity of 2 feet per second unless otherwise approved by the City Engineer. The sanitary sewer mains connecting to the City main sewer shall have a sampling manhole unless otherwise approved by the City Engineer. 61. The applicant shall enter into a private maintenance agreement with the adjacent property owner that conveys stormwater through this site or the storm drain system for the adjacent property shall be keep separate from this development. If an agreement is necessary it shall be reviewed and approved by the City Attorney's office before an on-site permit is issued for the site. Said agreement shall be recorded before the project is finaled. 62. A detailed grading and drainage plan, prepared by a licensed Civil Engineer, including all supporting information and design criteria, storm drain treatment calculations, and hydromodification worksheets, etc., shall be submitted with the Phase I improvements. The calculations shall demonstrate to the satisfaction of the City Engineer that there is sufficient capacity within the proposed detention system to allow for both hydromodification and storm water treatment for this development. With the first plan check, the applicant's engineer shall submit the hydromodification calculations and storm drain drawings to the City. 63. The applicant shall provide calculations demonstrating that the stormwater treatment facilities are in conformance with the California Regional Water Quality Control Board, San Francisco Region, Municipal Regional Stormwater NPDES Permit, Order R2-2009-0074, NPDES Permit No. CAS612008, October 14, 2009. Said treatment facilities shall include the provisions for trash removal device(s) within the storm drain system. 64. The fire protection water main shall be private beyond the backflow prevention devise. There shall be a fire (water) sprinkler line connection to Gibraltar Drive or PUD-81-30-86D and P11-0856 Hacienda TOD Site 2, BRE Conditions of Approval 9 of 33 Mixed-Use Development