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® Alternative 1 Reducing the culvert length to 300 feet and adjusting the Master <br /> Plan design in the vicinity of the approximately 233 feet of un-culverted drainage <br /> swale accordingly <br /> ® Alternative 2 Avoiding major culverting completely by designing a bridge or small <br /> culvert between the proposed bandstand and great lawn, and a second <br /> pedestrian/cyclist bridge further north in Lions Wayside Park <br /> ® Alternative 3 Completely avoiding culverting by re-grading the steep banks <br /> adjacent to the drainage swale and great lawn to allow for use of the swale banks <br /> for concert/event seating and bandstand visibility <br /> Conceptual plans for these three alternatives would be evaluated by City staff, and the <br /> selected alternative would serve as the basis for modification of the previously submitted <br /> permitting package, preparation of supplemental environmental documentation and <br /> preparation of 30 percent engineering drawings (only for the selected alternative) A key <br /> objective in evaluating these alternatives would be to achieve minimal modification to the <br /> previously adopted Master Plan This objective would be balanced with the need to <br /> receive authorization from the permitting agencies for any work in or around the drainage <br /> swale before proceeding with buildout of the Master Plan The scope of work for this <br /> effort is presented in Attachment 1 Staff is requesting approval of this Third Amendment, <br /> which would increase the total Agreement by $39,911 from $144,510 to $184,421 <br /> Submitted by Fiscal Review Approved by <br /> il______\._ /(4/11"' ik <br /> Gerry Beaudin Tina Olson Nelson Fialho <br /> Director of Community Director of Finance City Manager <br /> Development <br /> Attachments <br /> 1 Third Amendment to Agreement between the City of Pleasanton and AECOM with <br /> Exhibit A, proposal from AECOM including amended scope of service and budget <br /> Page 3 of 3 <br />