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i <br /> � <br /> E%HIBI7A-BKF 68700GL <br /> GXIiIBIT A. SCOPE OF S�RVICES I <br /> I. BAQ{GROUND ' <br /> i <br /> The City of Redwood City has conducted ongoing evaluations ofRedwood Creek. Aside fi•om � <br /> two emergency repairs, no channel impirovements have been madc since the mid 1960's. The � <br /> purpose ofthe following scope of services is to identify locations whu•e Creak failures hnve ! <br /> star[ecl end to document undersized porlious oFlhe Creek. ' <br /> ! BKF will utilize FSMA and prevlous Master Plen design peak flow rates to devebp a 30-year � <br /> ' design Creck peak flow rate. At this tima, �w efforts �u•e piuposed for adjusting peak flow rates to <br /> account for c}�enge in urbaniwtion. BKF hes conducted several hydrologic investigations of the <br /> Creek including for Barron Park and for projects alang the main bi�anah of Redwood Creek. Ae a � <br /> part ofUiese analyses, BICF has looked at the effect that the Emereld Hills iakes have oo peak <br /> flow rates. Detailed hydrologic modeling is not proposed as u part of the investigation. BKF will i� <br /> utilize available existing chennel configwation information from previous reports end as-bullt i <br /> drawings. Limited survey data will be conducted to determine wheU�er chawel outting or fllling <br /> , is occurring that is changing channel dimensions end to confirm datum ofexisting channel cross �; <br /> sect[on information. I <br /> I <br /> The project team will walk the Creak to ideMify Creek sagments that require repalr. BAOQ wlll I <br /> provide Oeotechnical revlew end Corne�stona Struchval Engineering Oroup (Cornerstone I <br /> Stnicdual) wlll provide sG•uclural review.,Sandrn Etchell will mview salect areas to identlfy ; <br /> environmantal compliance costs end consVuints. i <br /> A. y, q� }/ / a/N ' <br /> II. SCOPE OF BERVICLS �W "r`� il i <br /> � TASI{ la—Datn Collecttou <br /> I <br /> i <br /> BKF will coordinate with lhe Cily to obtain information necessary for llte completion of the I <br /> Study. Sd Bosaacci will ec[ as the Project Manager and will be the prLnary poirt of contnct. <br /> BKF will prepnre base maps using L1DAR survey availsble from San Mateo Counry and will use j <br /> aerial photos provided either by the City or obtained from a web site such as Googla Berth. I <br /> i <br /> BKF will collect chennel conflguration data from the City. Deslgn flow retas will ha obtained i <br /> &om the 1986 Master Plan, and will ba compared with FEMA tlows end flow rates cakutated � <br /> for other projects. Tha various flow ratas will be compared to establish reasonablenass based on j <br /> current operations of the Lake�. j <br /> � <br /> I <br /> TASK 2— Basls of Rev►ew <br /> BI{F will prepara a basis of reviaw identi4ying kay parameters to ba used in the flow capacity <br /> � study, such es channel roughnass, BKF will provide the base map developed in Task 1 that will <br /> 1 <br />