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54.Approval of the storm drainage system, including the detail of the storm water retention basin, shall be subject to the review and approved by the City Engineer prior to the issuance of a building permit for the project. 55.A detailed grading and drainage plan prepared by a licensed Civil Engineer including all supporting information and design criteria (including but not limited to any peer review comments), storm drain treatment calculations, hydromodification worksheets, etc., shall be submitted as part of the improvement plans. 56. The design of the water supply and sanitary sewer systems shall be subject to the review and approval by the City Engineer. 57. The applicants shall install the bio-retention area as shown on the PUD development plan. The design details of the bio-retention area shall be shown on the subdivision improvement plans, shall be reviewed and approved by the project's Soils Engineer, and then shall be reviewed and approved by the Director of Community Development and City Engineer. 58. Storm drainage swales, bioswale, gutters, inlets, outfalls, and channels not within the area of a dedicated public street or public service easement approved by the City Engineer shall be privately maintained by the property owners or through a Homeowners Association or a Maintenance Association if there is no commonly owned land as determined by the City Engineer, Director of Community Development, and City Attorney. Easements shall be recorded for the private storm drain facilities concurrently with the final subdivision map. The maintenance responsibilities shall be set forth in the easements or other appropriate document to be recorded concurrently with the final subdivision map, as approved by the City Attorney. Building 59. Prior to issuance of a building permit, the applicants shall pay the applicable Zone 7 and City connection fees and water meter cost for any water meters, including irrigation meters. Additionally, the applicants shall pay any applicable DSRSD sewer permit fee. URBAN STORMWATER CONDITIONS OF APPROVAL 60. The project shall comply with the City of Pleasanton's Stormwater NPDES Permit #CAS612008, dated October 14, 2009 and amendments (hereafter referred to as NPDES Permit). This NPDES Permit is issued by the California Regional Water Quality Control Board, San Francisco Bay Region (hereafter referred to as Regional Water Quality Control Board). Information related to the NPDES Permit is available at the City of Pleasanton Community Development Department, Engineering Division, and on line at: • http://www.ci.pleasanton.ca.us/business/planning/StormWater.html • http://www.waterboards.ca.00v/sanfranciscobav/water issues/programs/stormwater/M unicipal/indez.shtml A. Design Requirements 1. NPDES Permit design requirements include, but are not limited to, the following: PUD-84, Bertogar Page 9 of 20 City Council