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<br /> 1 EXHIBIT "A" <br /> Kennedy/Jenks Consultants <br /> Engineers & Scientists <br /> 2191 East Bayshore Road <br /> Suite 200 <br /> Palo Alto, California 94303 <br /> 16 October 2003 650-852-2800 <br /> . FAX 650-856-8527 <br /> Jon Lynch <br /> City Engineer <br /> Engineering and Construction <br /> City of Redwood City <br /> 1017 Middlefield Road <br /> P.O. Box 391 <br /> Redwood City, CA 94064 <br /> Subject: Proposal for Design Services for Storm Drainage Improvements to the Emerald <br /> Branch of Redwood Creek at Garrett Park <br /> K/J B03089 <br /> Dear Jon: <br /> Provided herewith is our proposal for providing the City of Redwood City with design services <br /> for the improvement of the inlet conditions for the Emerald Branch of the Jefferson Branch of <br /> Redwood Creek located at Garrett Park in Redwood City. Per your request, we have modified <br /> our original proposal for design/build services with Power Engineering to this proposal for <br /> conventional design services that are consistent with the public bidding of the improvements. <br /> Our proposal is based on our understanding of your needs from discussions with you, visits to <br /> the site, a review of the report by BKF Engineers on the investigation of Bain Place flooding and <br /> a review of the original design drawings of the storm drainage system. <br /> During past storm events the existing trash rack at the inlet to the Emerald Branch on the <br /> upstream side of Garrett Park has become blocked with debris causing flooding of Garrett Park <br /> and subsequent flooding of two adjacent properties on Bain Place. As indicated in the BKF <br /> report, there are several improvements that can be implemented to reduce the risk of flooding in <br /> the future. These improvements include: <br /> - Modifying the inlet structure to increase the trash rack area and the time between <br /> cleanings before flooding would occur <br /> - Increasing the size or adding additional downstream inlets to the system to allow for <br /> flow bypassing the trash rack to enter the storm drainage system downstream of the <br /> trash rack prior to flooding downstream homes <br /> - Installing a downstream barrier to divert flow that bypasses the storm drainage <br /> system inlets to Glenwood Avenue, rather than through the Bain Place properties. <br /> I Ipao lad m In Ibu sdev\200 3~etterprops\b03089 . redwoodcity .9 arrettpa rk \revised lellerproposal.doc <br />..... - ~ ........' "r+ .- <br />