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THE CITY OF Attachment 2 U mime LE ASANTO c November 3, 2017 Mr. Brian Wines San Francisco Bay Regional Water Quality Control Board 1515 Clay Street, Suite 1400 Oakland, CA 94612 Subject: City of Pleasanton,Lions Wayside and Delucchi Parks Master Plan Project, USACE File Number 2013-283,CIWQS Place Identification 818840, Lake or Streambed Alteration Notification Number 1600-2015-0373-R3 Dear Mr. Wines: This letter is a follow-up to our phone conversation on September 13, 2017,and an earlier email dated August 17, 2017 to Kristin Asmus(AECOM), in which you posed questions about the City's latest concept plan for Lions Wayside Park, which we submitted to you on and the other responsible agencies (U.S. Army Corps of Engineers and California Department of Fish and Wildlife)on August 16 (see attached).This revised concept plan would substantially reduce the impacts to the stretch of Kottinger Creek in Lions Wayside Park compared to the previously- submitted plans which were part of the City's initial permit application. In particular, the revised plan would result in the following environmental improvements over the initial plan: • Impacts to the creek would be reduced by approximately 500 linear feet; • Creek fill would be reduced by 2,900 cubic yards; • Tree removal would be reduced from 19 trees to 8 trees; and • Creek/riparian enhancement would occur on the approximately 400 feet of creek that would remain open channel. Responses to your questions are provided below. We hope that the answers to these questions will allow you to discuss the viability of this alternative with your colleagues at the Regional Water Quality Control Board. If you believe this alternative could achieve permitting objectives, we would provide more detailed plans and revise our permitting application accordingly. I. Has the City looked into decking materials that would allow sunlight to reach the creek channel? Yes. To reduce environmental impacts, the City proposes to undertake the following best practices to build the decking connecting the proposed bandstand to the remainder of Lions Wayside Park: • The deck will be built of grated decking with openings that allow light to pass through. The City is currently exploring multiple options, including products