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03
City of Pleasanton
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CITY CLERK
CITY CLERK - TYPE
AGENDA REPORT
DOCUMENT DATE
1/17/2017
DESTRUCT DATE
15Y
DOCUMENT NO
03
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BACKGROUND <br /> The Lions Wayside and Delucchi Park Master Plan was adopted by City Council on <br /> October 7, 2014 A key component of the Master Plan involves the culverting of 533 <br /> linear feet of a drainage swale in Lions Wayside Park to unify the large lawn around the <br /> bandstand area and to reduce safety risks Unlike the segment of swale in Delucchi Park, <br /> the segment of swale in Lions Wayside Park has little biotic value as it only experiences <br /> flow during major precipitation events, has little to no vegetation below the top of bank, <br /> and is surrounded by mostly non-native vegetation typical of urban park settings <br /> Although the drainage swale is located on City property it is considered part of Kottinger <br /> Creek, which is a tributary to navigable waters and is thus subject to the jurisdiction of <br /> various public natural resources agencies, including the U S Army Corps of Engineers, <br /> California Department of Fish and Wildlife, and Regional Water Quality Control Board <br /> Changes to the drainage swale therefore require permission and permits from these <br /> natural resource agencies <br /> In mid-2014, the City (with the assistance of professional services firm AECOM) initiated <br /> the task of preparing the necessary environmental documentation and application <br /> materials to secure permits for the culvert project from the three natural resources <br /> agencies with jurisdiction over the drainage swale The City submitted the required permit <br /> applications along with environmental review documentation in October 2015 Between <br /> November 2015 and December 2015, the City received response letters from the three <br /> agencies which raised serious concerns with the amount of culvert being applied for and <br /> requested that alternatives be explored In April 2016, staff from the City Manager's <br /> Office, Engineering and Community Development Departments met at Lions Wayside <br /> Park with agency staff to discuss the permit applications, agency representatives again <br /> expressed concern with the City's proposal and urged that alternatives be explored Staff <br /> from the Regional Water Quality Control Board stated that agency had not in recent years <br /> granted a permit for such extensive culverting as is currently being requested by the City <br /> Following that meeting with agency staff, City staff determined the most feasible path <br /> forward to attempt to secure the necessary permits would be to develop new culvert <br /> alternatives to reduce the length of undergrounded drainage swale to 300 feet or less <br /> while still meeting the key design objectives of the Master Plan Reducing the length of <br /> culverted swale to 300 feet or less would allow the U S Army Corps of Engineers to <br /> permit the project under the Nationwide Permit program, a less extensive process than <br /> the Individual Permit program, which applies to projects that affect more than 300 linear <br /> feet of"jurisdictional waterway " <br /> DISCUSSION <br /> In recognition that a project involving any culverting of the drainage swale may be difficult <br /> to permit, the scope of work comprising the Third Amendment involves the development <br /> of three design alternatives of varying degrees of impact These three alternatives <br /> include, from most impactful to least impactful <br /> Page 2 of 3 <br />
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