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STONERIDGE DRIVE SPECIFIC PLAN AMENDMENT /STAPLES RANCH PROJECT MITIGATION MONITORING AND REPORTING PLAN [May 2010] Date Completed/ Mitigation Measures/Improvement Measures Monitoring Action Responsibility''"' Timing Signature Engineer prior to the beginning of occupancy. HY -3.1 Maintain the detention basin. The City shall be responsible for Assure the operation Monitoring: City of On- going. assuring the operation and maintenance of the on -site detention basin and and maintenance of the Pleasanton Signature onsite detention basin Engineering Division. performance goals. Performance goals will include regular system and performance goals. Title inspections, maintenance when necessary, technical training of staff, and Implementation: City funding mechanisms to support continued effective operation and of Pleasanton. Date maintenance of the detention basin. HY -4.1 Obtain FEMA flood hazard areas updates prior to construction. Verify that a Verification: City of Prior to Conditional Letter of Pleasanton construction Signature Prior to beginning any construction activities, a Conditional Letter of Map Map Revision is Engineering Division. activities. Revision shall be obtained from FEMA for the Livermore Flood obtained from FEMA. Title Protection Improvements. This letter would not revise an effective Implementation: National Flood Insurance Program map; but it would indicate whether the Project Sponsor. Date project, if built as proposed, would or would not be removed from the Special Flood Hazard Area defined by FEMA if it is later submitted as a request for a Letter of Map Revision. Livermore Flood Protection Improvements shall incorporate FEMA recommended design changes issued with the Conditional Letter of Map Revision. HY -4.2 Implement Livermore Flood Protection Improvements. Prior to Verify that Livermore Verification: City of Prior to issuing issuing the certificate(s) of occupancy, the Livermore Flood Protection flood protection Pleasanton the certificate(s) Signature improvements are Engineering Division. of occupancy. Improvements shall be implemented as part of the El Charro Specific completed; an Title Plan. This program would include construction of regional stormwater application for a Letter Implementation: City detention/retention facilities east of El Charro Road as specified in the of Map Revision to of Livermore or Date El Charro Specific Plan and construction of the north overbank channel to reflect both the new Project Sponsor. facility and redirect spills from the Arroyo las Positas that spill over El Charro Road improvements to the onto the northern portion of the Staples Ranch development site during a Arroyo Mocho is flood event. The Livermore Flood Protection Improvements shall be submitted to FEMA. 23